Rating › Kozo Masuda

Rating of Kozo Masuda

Player page　Last game 1977-12-23

Current rating1712

Peak1865
1964-09-14

Games431

By fiscal year

FY	Age	Annual rank	Titles	Rank	Junisen	Rating	Deviation	Change	W	L	Win rate
FY1977	age 59	18th		9-dan		1712		+1	3	2	0.600
FY1975	age 58	18th		9-dan	Class A	1711		-25	7	12	0.368
FY1974	age 57	11th		9-dan	Class A	1736	59.9	+14	12	10	0.545
FY1972	age 55	12th		9-dan		1721		-21	1	4	0.200
FY1971	age 54	10th		9-dan	Class A	1743	55.8	-19	13	18	0.419
FY1970	age 53	11th		9-dan	Class A	1761	65.5	+25	16	12	0.571
FY1969	age 52	11th		9-dan	Class A	1736	57.7	-55	16	21	0.432
FY1968	age 51	5th		9-dan	Class A	1791	61.7	-26	21	19	0.525
FY1967	age 50	5th		9-dan	Class A	1818	69.1	+49	22	10	0.688
FY1966	age 49	6th		9-dan		1769		-27	5	10	0.333
FY1965	age 48	4th		9-dan	Class A	1796	66.1	-8	30	20	0.600
FY1964	age 47	2nd		9-dan	Class A	1803	68.1	-2	27	15	0.643
FY1963	age 46	－		9-dan	Class A	1806		+30	6	3	0.667
FY1962	age 45	－		9-dan	Class A	1776		-19	8	2	0.800
FY1961	age 44	－		9-dan	Class A	1795		+14	5	3	0.625
FY1956	age 39	－	Osho	8-dan	Class A	1781		-1	7	2	0.778
FY1955	age 38	－	Osho	8-dan	Class A	1782		+25	8	2	0.800
FY1953	age 36	－		8-dan	Class A	1758		+14	7	3	0.700
FY1952	age 35	－		8-dan	Class A	1744		+17	6	2	0.750
FY1951	age 34	－	Osho	8-dan	Class A	1727		+43	6	2	0.750
FY1950	age 33	－		8-dan	Class A	1684		+13	8	1	0.889
FY1949	age 32	－		8-dan	Class A	1671		+46	6	2	0.750
FY1948	age 31	－		8-dan	Class A	1625		+28	6	3	0.667
FY1947	age 30	－		8-dan	Class A	1598		-8	6	1	0.857

Games by fiscal year

FY1977 results3W-2L

Win rate0.600

Rating1712

Annual rank18th

Rank/title at FY end / age9-dan / age 59

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	9/20	1709	-11	1698	Terutaka Yasue6-dan / age 36 1572	Oza-sen Prelim 2 Round 1	Gote	●
2	11/8	1698	+4	1702	Kenji Iino4-dan / age 23 1526	Oi-sen Prelims Round 2	Gote	○
3	12/9	1702	+12	1714	Hifumi KatohKio / age 37 1908	NHK Cup お好み対局	Gote	○
4	12/20	1714	+7	1721	Torahiko Tanaka4-dan / age 20 1681	Oi-sen Prelims Round 3	Sente	○
5	12/23	1721	-9	1712	Yasuo Harada8-dan / age 54 1656	Kisei-sen Prelim 2 Round 2	Gote	●

FY1975 results7W-12L

Win rate0.368

Rating1711

Annual rank18th

Rank/title at FY end / age9-dan / age 58

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/28	1734	-8	1727	Osamu Katsuura7-dan / age 28 1748	Kio-sen Main Round 3	Gote	●
2	7/8	1727	+5	1732	Yukio Miyasaka7-dan / age 45 1587	Osho-sen Prelim 2 Round 1	Gote	○
3	7/22	1732	+9	1741	Kiyozumi Kiriyama8-dan / age 27 1797	Junisen Class A	Gote	○
4	8/20	1741	-7	1734	Kiyozumi Kiriyama8-dan / age 27 1796	Osho-sen Prelim 2 Final	Sente	●
5	9/3	1734	-5	1730	Kunio Yonenaga8-dan / age 32 1881	Junisen Class A	Sente	●
6	9/23	1730	+10	1739	Michio Ariyoshi8-dan / age 40 1815	Kisei-sen Main Round 1	Sente	○
7	9/30	1739	+10	1749	Nobuyuki Oouchi8-dan / age 33 1821	Junisen Class A	Sente	○
8	10/20	1749	-10	1739	Noboru Tamaru5-dan / age 25 1638	Oi-sen Prelims Round 2	Sente	●
9	10/28	1739	+8	1746	Michihito Kumagai8-dan / age 44 1718	Junisen Class A	Sente	○
10	11/4	1746	-5	1741	Kunio Naitou9-dan / age 35 1864	Kisei-sen Main Round 2	Sente	●
11	11/14	1741	+9	1750	Kiyozumi KiriyamaOza / age 28 1795	NHK Cup Main Round 1	Sente	○
12	12/18	1750	-5	1745	Yasuharu OoyamaKisei / age 52 1887	Junisen Class A	Gote	●
13	12/24	1745	-9	1737	Tatsuya Futakami9-dan / age 43 1722	Junisen Class A	Sente	●
14	1/16	1737	-4	1733	Makoto Nakahara3 titles / age 28 1955	NHK Cup Main Round 2	Sente	●
15	2/9	1733	-7	1727	Michio Ariyoshi8-dan / age 40 1795	Junisen Class A	Gote	●
16	2/18	1727	+9	1735	Susumu Itaya8-dan / age 35 1760	Junisen Class A	Sente	○
17	2/27	1735	-9	1726	Kazuyoshi Nishimura7-dan / age 34 1697	Kisei-sen Main Round 1	Gote	●
18	3/3	1726	-8	1718	Hifumi Katoh9-dan / age 36 1729	Junisen Class A	Gote	●
19	3/11	1718	-8	1711	Hifumi Katoh9-dan / age 36 1737	Oza-sen Main Round 1	Sente	●

FY1974 results12W-10L

Win rate0.545

Rating1736

Annual rank11th

Rank/title at FY end / age9-dan / age 57

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	7/17	1722	+8	1730	Osamu Katsuura7-dan / age 28 1715	Osho-sen Prelim 2 Round 1	Sente	○
2	7/19	1730	+6	1736	Yasuo Harada8-dan / age 51 1646	Kisei-sen Prelim 2 Round 2	Gote	○
3	7/26	1736	-9	1727	Hifumi Katoh9-dan / age 34 1687	Junisen Class A	Sente	●
4	8/5	1727	-10	1717	Teruichi Aono4-dan / age 21 1635	Kisei-sen Prelim 2 Final	Sente	●
5	8/28	1717	+11	1728	Kunio Naitou9-dan / age 34 1864	Junisen Class A	Gote	○
6	8/30	1728	-8	1721	Tatsuya Futakami9-dan / age 42 1746	Osho-sen Prelim 2 Final	Sente	●
7	9/6	1721	+9	1729	Tatsuya Futakami9-dan / age 42 1753	NHK Cup Main Round 1	Gote	○
8	9/10	1729	+8	1737	Shigeru Sekine8-dan / age 44 1722	Junisen Class A	Sente	○
9	10/8	1737	-8	1729	Tatsuya Futakami9-dan / age 42 1726	Junisen Class A	Gote	●
10	11/14	1729	+5	1734	Masakazu Wakamatsu5-dan / age 35 1605	Oi-sen Prelims Round 2	Gote	○
11	11/21	1734	+9	1743	Susumu Itayaage 33 1773	Junisen Class A	Sente	○
12	12/11	1743	-11	1732	Noboru Sakurai6-dan / age 33 1615	Kisei-sen Prelim 2 Round 2	Gote	●
13	12/20	1732	-10	1722	Daigorou Satou8-dan / age 38 1637	Oi-sen Prelims Round 3	Sente	●
14	12/24	1722	+6	1728	Yoshimasa Saeki7-dan / age 38 1630	Oza-sen Prelim 2 Round 2	Sente	○
15	1/10	1728	-5	1723	Kunio Naitou9-dan / age 35 1874	NHK Cup Main Round 2	Gote	●
16	2/3	1723	+10	1733	Nobuyuki Oouchi8-dan / age 33 1825	Junisen Class A	Gote	○
17	2/14	1733	+12	1745	Yasuharu OoyamaKisei / age 51 1925	Junisen Class A	Sente	○
18	2/19	1745	+9	1754	Michio Ariyoshi8-dan / age 39 1768	Junisen Class A	Gote	○
19	2/24	1754	-5	1749	Kunio Yonenaga8-dan / age 31 1884	Junisen Class A	Sente	●
20	3/1	1749	-7	1742	Kiyozumi Kiriyama7-dan / age 27 1797	Judan-sen Prelim 3 Round 3	Gote	●
21	3/6	1742	+4	1746	Masao TsukadaLifetime 9-dan / age 60 1561	Junisen Class A	Gote	○
22	3/17	1746	-10	1736	Noboru Sakurai6-dan / age 33 1634	Oza-sen Prelim 2 Final	Sente	●

FY1972 results1W-4L

Win rate0.200

Rating1721

Annual rank12th

Rank/title at FY end / age9-dan / age 55

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/6	1740	+9	1749	Hifumi Katoh8-dan / age 32 1780	Judan-sen Challenger league	Sente	○
2	4/11	1749	-7	1741	Hifumi Katoh8-dan / age 32 1771	Kisei-sen Main Round 2	Gote	●
3	4/18	1741	-6	1735	Kunio Yonenaga8-dan / age 28 1849	Judan-sen Challenger league	Gote	●
4	4/24	1735	-10	1726	Osamu Katsuura6-dan / age 25 1656	Oza-sen Main Round 1	Gote	●
5	5/4	1726	-4	1721	Yasuharu Ooyama3 titles / age 49 1903	Judan-sen Challenger league	Sente	●

FY1971 results13W-18L

Win rate0.419

Rating1743

Annual rank10th

Rank/title at FY end / age9-dan / age 54

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/7	1764	-4	1759	Yasuharu Ooyama3 titles / age 48 1936	Meijin-sen Best-of-7 Game 1	Gote	●
2	4/20	1759	+12	1771	Yasuharu Ooyama3 titles / age 48 1946	Meijin-sen Best-of-7 Game 2	Sente	○
3	4/30	1771	+11	1782	Yasuharu Ooyama3 titles / age 48 1920	Meijin-sen Best-of-7 Game 3	Gote	○
4	5/11	1782	-5	1777	Yasuharu Ooyama3 titles / age 48 1898	Meijin-sen Best-of-7 Game 4	Sente	●
5	5/18	1777	-13	1764	Mikio Tomizawaage 51 1499	Oza-sen Main Round 1	Sente	●
6	5/25	1764	+11	1775	Yasuharu Ooyama3 titles / age 48 1911	Meijin-sen Best-of-7 Game 5	Gote	○
7	6/3	1775	-5	1770	Yasuharu Ooyama3 titles / age 48 1903	Meijin-sen Best-of-7 Game 6	Sente	●
8	6/14	1770	-5	1765	Yasuharu Ooyama3 titles / age 48 1914	Meijin-sen Best-of-7 Game 7	Sente	●
9	8/14	1765	-8	1757	Tatsuya Futakami8-dan / age 39 1767	Osho-sen Challenger league	Gote	●
10	9/4	1757	+9	1766	Kunio Naitou8-dan / age 31 1823	Junisen Class A	Gote	○
11	9/17	1766	-7	1760	Kunio Naitou8-dan / age 31 1819	Kisei-sen Main Round 1	Sente	●
12	9/25	1760	-6	1753	Kunio Yonenaga8-dan / age 28 1826	Junisen Class A	Sente	●
13	9/30	1753	-6	1747	Kunio Naitou8-dan / age 31 1838	Osho-sen Challenger league	Sente	●
14	10/5	1747	+6	1754	Yasuo Harada8-dan / age 48 1680	Junisen Class A	Gote	○
15	10/15	1754	-7	1746	Nobuyuki Oouchi7-dan / age 30 1789	NHK Cup Main Round 1	Gote	●
16	10/28	1746	-3	1743	Makoto NakaharaOza・Kisei / age 24 1980	Osho-sen Challenger league	Sente	●
17	11/1	1743	-8	1735	Kazuyoshi Nishimura6-dan / age 29 1751	Osho-sen Challenger league	Sente	●
18	11/19	1735	-6	1729	Kunio Yonenaga8-dan / age 28 1831	Osho-sen Challenger league	Gote	●
19	11/26	1729	-6	1724	Kunio Yonenaga8-dan / age 28 1836	Saikyosha-sen Commemorative game	Gote	●
20	12/8	1724	-3	1721	Makoto NakaharaOza・Kisei / age 24 1971	Junisen Class A	Sente	●
21	12/14	1721	-7	1714	Michio Ariyoshi8-dan / age 36 1775	Osho-sen Challenger league	Gote	●
22	12/23	1714	+10	1724	Michio Ariyoshi8-dan / age 36 1790	Junisen Class A	Sente	○
23	12/28	1724	+3	1727	Keizou Hoshidaage 54 1491	Osho-sen Challenger league	Sente	○
24	1/7	1727	+5	1732	Masao TsukadaLifetime 9-dan / age 57 1610	Junisen Class A	Sente	○
25	1/17	1732	+4	1736	Chimine Yamaguchiage 34 1527	Oi-sen Prelims Round 2	Sente	○
26	1/25	1736	+9	1745	Hifumi Katoh8-dan / age 32 1763	Junisen Class A	Gote	○
27	2/12	1745	-12	1733	Seiichi Kobori8-dan / age 60 1547	Oi-sen Prelims Round 3	Gote	●
28	2/17	1733	+6	1738	Yoshinori Kimura7-dan / age 36 1635	Judan-sen Prelim 3 Round 2	Sente	○
29	2/22	1738	-7	1731	Tatsuya Futakami8-dan / age 40 1763	Junisen Class A	Sente	●
30	2/28	1731	+6	1737	Noboru Ootomo8-dan / age 40 1657	Kisei-sen Main Round 1	Sente	○
31	3/13	1737	+5	1743	Noboru Sakurai5-dan / age 30 1624	Judan-sen Prelim 3 Final	Gote	○

FY1970 results16W-12L

Win rate0.571

Rating1761

Annual rank11th

Rank/title at FY end / age9-dan / age 53

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	6/15	1732	+9	1741	Michio Ariyoshi8-dan / age 34 1777	Junisen Class A	Sente	○
2	6/25	1741	-8	1733	Nobuyuki Oouchi7-dan / age 28 1758	Oza-sen Main Round 1	Sente	●
3	7/8	1733	+5	1738	Masao TsukadaLifetime 9-dan / age 55 1600	Junisen Class A	Gote	○
4	7/14	1738	+4	1743	Masakazu Wakamatsu4-dan / age 30 1568	Osho-sen Prelim 2 Final	Sente	○
5	7/24	1743	+11	1754	Makoto NakaharaOza・Kisei / age 22 1895	Junisen Class A	Sente	○
6	8/18	1754	+5	1759	Hidemitsu Moriyasu5-dan / age 21 1623	Osho-sen Challenger league	Sente	○
7	9/9	1759	+5	1764	Tsutomu Matsushita8-dan / age 57 1598	Kisei-sen Main Round 1	Gote	○
8	9/17	1764	+6	1769	Renshou Nada8-dan / age 43 1660	Junisen Class A	Sente	○
9	9/21	1769	+9	1778	Hifumi Katoh8-dan / age 30 1801	Osho-sen Challenger league	Gote	○
10	9/30	1778	+10	1788	Kunio Naitou8-dan / age 30 1856	Osho-sen Challenger league	Sente	○
11	10/5	1788	-11	1777	Takeshi Takadaage 33 1637	Oi-sen Prelims Round 2	Sente	●
12	10/16	1777	+6	1783	Genichi Oono8-dan / age 59 1691	NHK Cup Main Round 1	Gote	○
13	10/24	1783	-9	1774	Kazuyoshi Nishimura5-dan / age 28 1750	Osho-sen Challenger league	Sente	●
14	10/27	1774	+8	1782	Hifumi Katoh8-dan / age 30 1795	Kisei-sen Main Round 2	Sente	○
15	11/2	1782	-5	1778	Makoto NakaharaOza・Kisei / age 23 1941	Osho-sen Challenger league	Gote	●
16	11/7	1778	-8	1770	Tatsuya Futakami8-dan / age 38 1781	Kisei-sen Main Semifinal	Gote	●
17	11/16	1770	-8	1762	Hifumi Katoh8-dan / age 30 1782	Junisen Class A	Gote	●
18	11/25	1762	+9	1771	Tatsuya Futakami8-dan / age 38 1797	Osho-sen Challenger league	Gote	○
19	12/1	1771	+6	1777	Motoji Hanamura8-dan / age 53 1682	Junisen Class A	Sente	○
20	12/8	1777	-4	1773	Makoto NakaharaOza・Kisei / age 23 1942	Saikyosha-sen Commemorative game	Gote	●
21	12/11	1773	+8	1780	Michio Ariyoshi8-dan / age 35 1757	NHK Cup Main Round 2	Sente	○
22	12/14	1780	+7	1787	Nobuyuki Oouchi7-dan / age 29 1741	Osho-sen Challenger league	Sente	○
23	1/7	1787	-4	1783	Makoto NakaharaOza・Kisei / age 23 1968	Osho-sen Challenger league Playoff Round 1	Sente	●
24	1/30	1783	-8	1775	Tatsuya Futakami8-dan / age 39 1764	Junisen Class A	Gote	●
25	2/15	1775	-9	1766	Kiyozumi Kiriyama6-dan / age 23 1743	Judan-sen Prelim 3 Round 3	Sente	●
26	2/19	1766	-10	1755	Hirofumi Serizawa8-dan / age 34 1655	Kisei-sen Main Round 1	Gote	●
27	2/24	1755	+10	1765	Kunio Naitou8-dan / age 31 1823	Junisen Class A	Gote	○
28	3/5	1765	-4	1761	Makoto NakaharaOza・Kisei / age 23 1977	NHK Cup Main Semifinal	Gote	●

FY1969 results16W-21L

Win rate0.432

Rating1736

Annual rank11th

Rank/title at FY end / age9-dan / age 52

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/8	1788	+6	1794	Noboru Ootomo8-dan / age 37 1683	Kisei-sen Main Round 1	Sente	○
2	4/18	1794	-7	1788	山田道美age 35 1857	Judan-sen Challenger league	Sente	●
3	4/24	1788	+11	1798	Makoto NakaharaKisei / age 21 1917	Judan-sen Challenger league	Gote	○
4	5/1	1798	+5	1803	Hirofumi Serizawa8-dan / age 32 1664	Kisei-sen Main Round 2	Gote	○
5	5/9	1803	-7	1797	山田道美age 35 1862	Kisei-sen Main Semifinal	Sente	●
6	5/17	1797	-8	1788	Kunio Naitou8-dan / age 29 1779	Judan-sen Challenger league	Gote	●
7	6/13	1788	+6	1795	Kazuyoshi Nishimura5-dan / age 27 1708	Judan-sen Challenger league	Gote	○
8	6/30	1795	+6	1800	Hiroji Katou8-dan / age 45 1688	Junisen Class A	Gote	○
9	7/5	1800	-5	1795	Yasuharu Ooyama4 titles / age 46 1943	Judan-sen Challenger league	Sente	●
10	7/11	1795	+5	1800	Kazuo Ishida6-dan / age 22 1665	Osho-sen Prelim 2 Round 1	Gote	○
11	7/25	1800	+11	1811	Makoto NakaharaKisei / age 21 1915	Judan-sen Challenger league	Sente	○
12	8/14	1811	+5	1816	Genichi Oono8-dan / age 57 1683	Osho-sen Prelim 2 Final	Gote	○
13	8/18	1816	-7	1809	山田道美age 35 1866	Judan-sen Challenger league	Gote	●
14	9/9	1809	-11	1798	Renshou Nada8-dan / age 42 1662	Junisen Class A	Sente	●
15	9/16	1798	+6	1804	Noboru Ootomo8-dan / age 38 1713	Osho-sen Challenger league	Gote	○
16	9/22	1804	-8	1797	Kunio Naitou8-dan / age 29 1826	Judan-sen Challenger league	Sente	●
17	9/26	1797	-11	1786	Renshou Nada8-dan / age 42 1673	NHK Cup Main Round 1	Sente	●
18	10/3	1786	-9	1777	Kazuyoshi Nishimura5-dan / age 27 1726	Judan-sen Challenger league	Sente	●
19	10/11	1777	-5	1771	Yasuharu Ooyama3 titles / age 46 1893	Judan-sen Challenger league	Gote	●
20	10/14	1771	+4	1775	Hisao Hirotsu8-dan / age 46 1584	Kisei-sen Main Round 1	Gote	○
21	10/21	1775	-7	1768	Hifumi Katoh8-dan / age 29 1798	Junisen Class A	Gote	●
22	10/30	1768	-6	1761	Kunio Naitou8-dan / age 29 1836	Kisei-sen Main Round 2	Sente	●
23	11/5	1761	-7	1755	山田道美age 35 1817	Osho-sen Challenger league	Sente	●
24	11/12	1755	+10	1765	Michio Ariyoshi8-dan / age 34 1853	Osho-sen Challenger league	Sente	○
25	11/14	1765	-10	1755	Noboru Ootomo8-dan / age 38 1695	Saikyosha-sen Commemorative game	Gote	●
26	11/19	1755	-6	1749	Kunio Naitou8-dan / age 30 1827	Osho-sen Challenger league	Gote	●
27	11/24	1749	-10	1739	Motoji Hanamura8-dan / age 52 1680	Junisen Class A	Gote	●
28	11/28	1739	-8	1732	Tatsuya Futakami8-dan / age 37 1760	Osho-sen Challenger league	Gote	●
29	12/4	1732	+4	1736	Yoshitaka Kimura4-dan / age 38 1547	Oi-sen Prelims Round 2	Sente	○
30	12/8	1736	-8	1728	Nobuyuki Oouchi6-dan / age 28 1746	Osho-sen Challenger league	Sente	●
31	12/12	1728	-6	1722	Hifumi Katoh8-dan / age 29 1807	Osho-sen Challenger league	Gote	●
32	12/23	1722	+10	1732	Michio Ariyoshi8-dan / age 34 1817	Junisen Class A	Sente	○
33	1/22	1732	+7	1739	Yuzo Maruta8-dan / age 50 1691	Junisen Class A	Sente	○
34	2/9	1739	-11	1728	Shigeyuki Matsuda8-dan / age 48 1598	Oi-sen Prelims Round 3	Gote	●
35	2/13	1728	-10	1718	Tsutomu Matsushita8-dan / age 56 1628	Kisei-sen Main Round 1	Gote	●
36	2/24	1718	+9	1727	Tatsuya Futakami8-dan / age 38 1770	Junisen Class A	Gote	○
37	3/12	1727	+9	1736	山田道美age 36 1790	Junisen Class A	Sente	○

FY1968 results21W-19L

Win rate0.525

Rating1791

Annual rank5th

Rank/title at FY end / age9-dan / age 51

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/5	1811	-5	1806	Yasuharu Ooyama3 titles / age 45 1934	Meijin-sen Best-of-7 Game 1	Gote	●
2	4/10	1806	+5	1811	Hiroji Katou8-dan / age 44 1667	Kisei-sen Main Round 2	Sente	○
3	4/16	1811	-5	1805	Yasuharu Ooyama3 titles / age 45 1942	Meijin-sen Best-of-7 Game 2	Sente	●
4	4/21	1805	+4	1810	Souetsu Honmaage 48 1636	Oi-sen White league Round 1	Gote	○
5	4/25	1810	-5	1805	Yasuharu Ooyama3 titles / age 45 1947	Meijin-sen Best-of-7 Game 3	Gote	●
6	5/1	1805	-8	1797	Hifumi Katoh8-dan / age 28 1802	Judan-sen Challenger league	Gote	●
7	5/7	1797	-5	1792	Yasuharu Ooyama3 titles / age 45 1954	Meijin-sen Best-of-7 Game 4	Sente	●
8	5/12	1792	-7	1785	山田道美Oza・Kisei / age 34 1849	Oi-sen White league Round 2	Gote	●
9	5/16	1785	-9	1776	Kazuyoshi Nishimura5-dan / age 26 1742	Judan-sen Challenger league	Gote	●
10	5/22	1776	+5	1781	Genichi Oono8-dan / age 56 1639	Oi-sen White league Round 3	Sente	○
11	5/27	1781	-6	1775	Makoto Nakahara6-dan / age 20 1868	Kisei-sen Main Semifinal	Gote	●
12	6/4	1775	+10	1785	山田道美Oza・Kisei / age 34 1868	Judan-sen Challenger league	Sente	○
13	6/8	1785	+5	1790	Shigeyuki Matsuda8-dan / age 46 1649	Judan-sen Challenger league	Gote	○
14	6/13	1790	-8	1783	Tatsuya Futakami8-dan / age 36 1800	Judan-sen Challenger league	Sente	●
15	6/24	1783	-9	1774	Michio Ariyoshi8-dan / age 32 1759	Oi-sen White league Round 5	Sente	●
16	7/1	1774	-12	1763	Hisao Hirotsu8-dan / age 45 1609	Osho-sen Prelim 2 Round 1	Gote	●
17	7/8	1763	+7	1770	Kazuyoshi Nishimura5-dan / age 26 1730	Judan-sen Challenger league	Sente	○
18	7/13	1770	-11	1759	Genichi Oono8-dan / age 56 1656	Oi-sen White league Relegation playoff	Sente	●
19	7/22	1759	+10	1769	Hifumi Katoh8-dan / age 28 1835	Judan-sen Challenger league	Sente	○
20	9/6	1769	+7	1776	Kunio Naitou8-dan / age 28 1713	Junisen Class A	Gote	○
21	9/13	1776	-6	1769	山田道美Oza / age 34 1842	Judan-sen Challenger league	Gote	●
22	9/18	1769	+4	1773	Toyoichi Igarashi8-dan / age 43 1561	Kisei-sen Main Round 1	Gote	○
23	9/24	1773	+6	1779	Shigeyuki Matsuda8-dan / age 47 1694	Judan-sen Challenger league	Sente	○
24	10/3	1779	+7	1786	Noboru Ootomo7-dan / age 37 1718	Junisen Class A	Sente	○
25	10/8	1786	+7	1793	Tatsuya Futakami8-dan / age 36 1742	Judan-sen Challenger league	Gote	○
26	10/14	1793	+5	1797	Masao TsukadaLifetime 9-dan / age 54 1631	Junisen Class A	Gote	○
27	10/23	1797	+5	1802	Yoshimasa Saeki6-dan / age 32 1662	Kisei-sen Main Round 2	Sente	○
28	10/31	1802	-13	1790	Toshihiko Kawaguchi4-dan / age 31 1572	Oi-sen Prelims Round 2	Sente	●
29	11/8	1790	-4	1785	Yasuharu Ooyama4 titles / age 45 1966	Kisei-sen Main Semifinal	Sente	●
30	11/12	1785	+6	1792	Shigeru Sekine8-dan / age 39 1701	Saikyosha-sen Commemorative game	Gote	○
31	12/2	1792	-7	1785	山田道美age 34 1853	Junisen Class A	Sente	●
32	12/6	1785	+5	1790	Renshou Nada8-dan / age 41 1672	NHK Cup Main Round 1	Gote	○
33	12/11	1790	+6	1797	Motoji Hanamura8-dan / age 51 1718	Junisen Class A	Gote	○
34	12/20	1797	+5	1802	Hiroji Katou8-dan / age 45 1674	Junisen Class A	Sente	○
35	1/10	1802	+6	1809	Tatsuya Futakami8-dan / age 37 1735	Junisen Class A	Gote	○
36	1/17	1809	+6	1814	Motoji Hanamura8-dan / age 51 1718	NHK Cup Main Round 2	Gote	○
37	2/4	1814	+5	1819	Shigeru Sekine8-dan / age 39 1671	Junisen Class A	Sente	○
38	2/28	1819	-7	1812	山田道美age 35 1846	NHK Cup Main Semifinal	Gote	●
39	3/6	1812	-10	1802	Daigorou Satou7-dan / age 32 1710	Oza-sen Main Round 1	Gote	●
40	3/18	1802	-10	1791	Yuzo Maruta8-dan / age 49 1703	Junisen Class A	Sente	●

FY1967 results22W-10L

Win rate0.688

Rating1818

Annual rank5th

Rank/title at FY end / age9-dan / age 50

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4/10	1768	-11	1757	Masao Kitamura7-dan / age 32 1635	Kisei-sen Main Round 1	●
2	4/17	1757	+10	1767	山田道美age 33 1823	Judan-sen Challenger league	○
3	5/4	1767	+10	1776	Tatsuya FutakamiKisei / age 35 1835	Judan-sen Challenger league	○
4	5/16	1776	-10	1766	Daigorou Satou7-dan / age 30 1686	Judan-sen Challenger league	●
5	5/29	1766	+3	1769	Shizuo Seino6-dan / age 44 1498	Kisei-sen Prelim 2 Round 2	○
6	6/5	1769	-10	1759	Renshou Nada8-dan / age 40 1683	Judan-sen Challenger league	●
7	6/9	1759	+7	1766	Hiroji Katou8-dan / age 43 1718	Junisen Class A	○
8	6/15	1766	+5	1771	Hirofumi Serizawa8-dan / age 30 1629	Osho-sen Prelim 2 Round 1	○
9	6/26	1771	-6	1765	Hifumi Katoh8-dan / age 27 1854	Judan-sen Challenger league	●
10	7/14	1765	-8	1757	Makoto Nakahara5-dan / age 19 1779	Kisei-sen Prelim 2 Final	●
11	7/18	1757	-10	1748	Hiroji Katou8-dan / age 43 1688	Osho-sen Prelim 2 Final	●
12	7/22	1748	+7	1755	Daigorou Satou7-dan / age 30 1716	Judan-sen Challenger league	○
13	7/25	1755	+9	1764	Tatsuya Futakami8-dan / age 35 1798	Junisen Class A	○
14	8/7	1764	+6	1770	Renshou Nada8-dan / age 40 1674	Judan-sen Challenger league	○
15	9/4	1770	+7	1777	Yuzo Maruta8-dan / age 48 1719	Junisen Class A	○
16	9/8	1777	-7	1770	Tatsuya Futakami8-dan / age 35 1820	Judan-sen Challenger league	●
17	10/5	1770	+11	1781	山田道美Oza・Kisei / age 33 1920	Judan-sen Challenger league	○
18	10/12	1781	+8	1789	Hifumi Katoh8-dan / age 27 1802	Judan-sen Challenger league	○
19	11/8	1789	+10	1800	山田道美Oza・Kisei / age 33 1897	Junisen Class A	○
20	11/13	1800	+5	1805	Shigeyuki Matsuda8-dan / age 46 1645	Junisen Class A	○
21	11/22	1805	+4	1809	Chimine Yamaguchiage 30 1633	Oza-sen Prelim 2 Round 2	○
22	12/5	1809	+3	1812	Toshikatsu Yoshida5-dan / age 34 1563	Oi-sen Prelims Round 2	○
23	12/18	1812	+7	1819	Michio Ariyoshi8-dan / age 32 1775	Junisen Class A	○
24	12/25	1819	+3	1822	Tsutomu Matsushita8-dan / age 54 1545	Kisei-sen Prelim 2 Round 2	○
25	12/29	1822	-9	1813	Michio Ariyoshi8-dan / age 32 1768	NHK Cup Main Round 1	●
26	1/8	1813	+3	1816	Toyoichi Igarashi8-dan / age 43 1551	Oi-sen Prelims Round 3	○
27	1/13	1816	+4	1820	Hisao Hirotsu8-dan / age 44 1622	Kisei-sen Prelim 2 Final	○
28	1/31	1820	+7	1827	Kunio Naitou8-dan / age 28 1784	Junisen Class A	○
29	2/19	1827	-11	1816	Motoji Hanamura8-dan / age 50 1706	Junisen Class A	●
30	3/15	1816	+5	1821	Yuzo Maruta8-dan / age 48 1697	Kisei-sen Main Round 1	○
31	3/18	1821	-8	1813	Hifumi Katoh8-dan / age 28 1800	Junisen Class A	●
32	3/22	1813	+5	1818	Yoshimasa Saeki6-dan / age 31 1672	Oi-sen Prelims Final	○

FY1966 results5W-10L

Win rate0.333

Rating1769

Annual rank6th

Rank/title at FY end / age9-dan / age 49

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4/7	1793	+10	1803	Yasuharu Ooyama4 titles / age 43 1873	Meijin-sen Best-of-7 Game 1	○
2	4/14	1803	-9	1794	Yuzo MarutaOza / age 47 1770	Judan-sen Challenger league	●
3	4/21	1794	+10	1804	Yasuharu Ooyama4 titles / age 43 1864	Meijin-sen Best-of-7 Game 2	○
4	4/27	1804	-8	1796	Tatsuya Futakami8-dan / age 34 1794	Judan-sen Challenger league	●
5	5/7	1796	-7	1789	Yasuharu Ooyama4 titles / age 43 1856	Meijin-sen Best-of-7 Game 3	●
6	5/18	1789	-6	1783	Yasuharu Ooyama4 titles / age 43 1863	Meijin-sen Best-of-7 Game 4	●
7	5/30	1783	-6	1777	Yasuharu Ooyama4 titles / age 43 1869	Meijin-sen Best-of-7 Game 5	●
8	6/8	1777	-6	1771	Yasuharu Ooyama4 titles / age 43 1875	Meijin-sen Best-of-7 Game 6	●
9	6/14	1771	-6	1765	山田道美age 32 1845	Judan-sen Challenger league	●
10	6/23	1765	+8	1773	Michio Ariyoshi8-dan / age 30 1765	Judan-sen Challenger league	○
11	6/27	1773	+9	1781	Hifumi Katoh8-dan / age 26 1795	Judan-sen Challenger league	○
12	7/2	1781	-7	1774	Tatsuya Futakami8-dan / age 34 1829	Oza-sen Main Round 1	●
13	7/13	1774	+9	1783	Yuzo MarutaOza / age 47 1804	Judan-sen Challenger league	○
14	7/19	1783	-8	1775	Hifumi Katoh8-dan / age 26 1764	Judan-sen Challenger league	●
15	7/26	1775	-6	1769	Tatsuya FutakamiKisei / age 34 1867	Judan-sen Challenger league	●

FY1965 results30W-20L

Win rate0.600

Rating1796

Annual rank4th

Rank/title at FY end / age9-dan / age 48

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4/2	1801	+3	1804	Mikio Tomizawaage 44 1570	Oza-sen Main Round 1	○
2	4/10	1804	+6	1810	Masao TsukadaLifetime 9-dan / age 50 1699	Judan-sen Challenger league	○
3	4/20	1810	-10	1800	Hifumi Katoh8-dan / age 25 1737	Oi-sen White league	●
4	4/27	1800	+7	1807	Hifumi Katoh8-dan / age 25 1747	Kisei-sen Main Semifinal	○
5	5/1	1807	-11	1796	Michihito Kumagai8-dan / age 34 1679	Judan-sen Challenger league	●
6	5/5	1796	+7	1803	Hifumi Katoh8-dan / age 25 1731	Judan-sen Challenger league	○
7	5/14	1803	+3	1806	Shouhei Satou6-dan / age 32 1537	Oi-sen White league	○
8	5/20	1806	-10	1796	Yuzo Maruta8-dan / age 46 1734	Kisei-sen Best-of-5 Game 1	●
9	5/23	1796	-9	1787	Tatsuya Futakami8-dan / age 33 1737	Judan-sen Challenger league	●
10	5/27	1787	+7	1793	Yuzo Maruta8-dan / age 46 1735	Kisei-sen Best-of-5 Game 2	○
11	5/31	1793	+7	1800	Yuzo Maruta8-dan / age 46 1729	Kisei-sen Best-of-5 Game 3	○
12	6/4	1800	-9	1791	Kunio Naitou7-dan / age 25 1759	Oi-sen White league	●
13	6/9	1791	+10	1801	Yasuharu Ooyama5 titles / age 42 1893	Kisei-sen Best-of-5 Game 1	○
14	6/14	1801	+6	1807	Yuzo Maruta8-dan / age 46 1722	Junisen Class A	○
15	6/18	1807	+7	1814	山田道美age 31 1762	Oi-sen White league	○
16	6/26	1814	-6	1808	Yasuharu Ooyama5 titles / age 42 1883	Kisei-sen Best-of-5 Game 2	●
17	7/2	1808	+7	1815	山田道美age 31 1753	Judan-sen Challenger league	○
18	7/6	1815	+10	1825	Yasuharu Ooyama5 titles / age 42 1894	Kisei-sen Best-of-5 Game 3	○
19	7/10	1825	-13	1811	Seiichi Kobori8-dan / age 53 1548	Oza-sen Main Round 2	●
20	7/14	1811	-6	1805	Yasuharu Ooyama5 titles / age 42 1885	Kisei-sen Best-of-5 Game 4	●
21	7/19	1805	+5	1810	Masao TsukadaLifetime 9-dan / age 50 1669	Junisen Class A	○
22	7/23	1810	-6	1804	Yasuharu Ooyama5 titles / age 42 1891	Kisei-sen Best-of-5 Game 5	●
23	7/28	1804	-9	1795	Hifumi Katoh8-dan / age 25 1779	Judan-sen Challenger league	●
24	8/4	1795	+5	1800	Michihito Kumagai8-dan / age 34 1671	Judan-sen Challenger league	○
25	9/3	1800	-9	1792	山田道美age 31 1778	Judan-sen Challenger league	●
26	9/8	1792	+7	1799	Tatsuya Futakami8-dan / age 33 1737	Junisen Class A	○
27	9/20	1799	+5	1804	Hirofumi Serizawa8-dan / age 28 1677	Osho-sen Challenger league Round 1	○
28	9/25	1804	-10	1794	Hiroji Katou8-dan / age 42 1723	Junisen Class A	●
29	10/1	1794	+5	1799	Masao TsukadaLifetime 9-dan / age 51 1675	Judan-sen Challenger league	○
30	10/5	1799	+8	1807	Kunio Naitou7-dan / age 25 1778	Kisei-sen Main Round 1	○
31	10/8	1807	+3	1810	Tsugihiko Yamakawa7-dan / age 45 1528	Oi-sen Prelims Round 2	○
32	10/13	1810	-10	1800	Tatsuya Futakami8-dan / age 33 1727	Judan-sen Challenger league	●
33	10/16	1800	+6	1805	Michio Ariyoshi8-dan / age 30 1694	Osho-sen Challenger league Round 2	○
34	10/23	1805	+5	1810	Genichi Oono8-dan / age 54 1648	Kisei-sen Main Round 2	○
35	10/27	1810	+7	1817	Kunio Naitou7-dan / age 25 1781	Osho-sen Challenger league Round 3	○
36	11/2	1817	-10	1807	Tatsuya Futakami8-dan / age 33 1723	Kisei-sen Main Semifinal	●
37	11/10	1807	+5	1813	Michio Ariyoshi8-dan / age 30 1684	Junisen Class A	○
38	11/18	1813	-10	1803	Hiroji Katou8-dan / age 42 1736	Osho-sen Challenger league Round 4	●
39	11/25	1803	-12	1790	Toyoichi Igarashi8-dan / age 41 1583	Oi-sen Prelims Round 3	●
40	12/3	1790	-8	1783	山田道美age 31 1800	Osho-sen Challenger league Round 5	●
41	12/7	1783	+5	1788	Renshou Nada8-dan / age 38 1654	Osho-sen Challenger league Round 6	○
42	12/14	1788	+6	1794	Yuzo MarutaOza / age 46 1719	Osho-sen Challenger league Round 7	○
43	12/23	1794	+9	1803	山田道美age 32 1823	Junisen Class A	○
44	1/14	1803	-9	1794	Hifumi Katoh8-dan / age 26 1772	Junisen Class A	●
45	1/26	1794	+5	1800	Shigeyuki Matsuda8-dan / age 44 1680	NHK Cup Main Round 1	○
46	2/9	1800	+5	1805	Masao TsukadaLifetime 9-dan / age 51 1687	NHK Cup Main Semifinal	○
47	2/12	1805	-10	1795	Daigorou Satou7-dan / age 29 1697	Kisei-sen Main Round 1	●
48	2/22	1795	+5	1800	Shigeyuki Matsuda8-dan / age 44 1668	Junisen Class A	○
49	3/9	1800	-9	1791	Yuzo MarutaOza / age 46 1755	NHK Cup Main Final	●
50	3/24	1791	+5	1796	Michihito Kumagai8-dan / age 35 1653	Junisen Class A	○

FY1964 results27W-15L

Win rate0.643

Rating1803

Annual rank2nd

Rank/title at FY end / age9-dan / age 47

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4/4	1815	+5	1821	Genichi Oono8-dan / age 52 1700	Judan-sen Challenger league Round 1	○
2	4/16	1821	+8	1828	Tatsuya Futakami8-dan / age 32 1810	Judan-sen Challenger league Round 2	○
3	4/21	1828	+3	1831	Yuji Sase7-dan / age 45 1574	Oi-sen White league	○
4	4/25	1831	+2	1833	Mitsuo Kakutaage 54 1499	Oi-sen White league	○
5	5/1	1833	+4	1837	Hisao Hasebe7-dan / age 30 1632	Judan-sen Challenger league Round 3	○
6	5/8	1837	+3	1840	Daigorou Satou6-dan / age 27 1585	Oi-sen White league	○
7	5/15	1840	-11	1829	Hiroji Katou8-dan / age 40 1706	Oza-sen Main Round 1	●
8	5/23	1829	+4	1834	Michihito Kumagai8-dan / age 33 1661	Judan-sen Challenger league Round 4	○
9	6/2	1834	-10	1824	Hifumi Katoh8-dan / age 24 1750	Judan-sen Challenger league Round 5	●
10	6/11	1824	+4	1828	Motoji Hanamura8-dan / age 46 1633	Oi-sen White league	○
11	6/17	1828	+5	1833	Shigeyuki Matsuda8-dan / age 42 1681	Junisen Class A	○
12	6/23	1833	+4	1836	Toyoichi Igarashi8-dan / age 39 1635	Junisen Class A	○
13	6/30	1836	+5	1841	Genichi Oono8-dan / age 52 1681	Judan-sen Challenger league Round 6	○
14	7/25	1841	-9	1832	Tatsuya Futakami8-dan / age 32 1792	Judan-sen Challenger league Round 7	●
15	7/28	1832	+7	1839	Tatsuya Futakami8-dan / age 32 1801	Osho-sen Challenger league	○
16	8/1	1839	+4	1844	Hirofumi Serizawa8-dan / age 27 1670	Kisei-sen Main Round 1	○
17	8/3	1844	+4	1848	Hisao Hasebe7-dan / age 31 1654	Judan-sen Challenger league Round 8	○
18	8/8	1848	+4	1852	Genichi Oono8-dan / age 52 1661	Junisen Class A	○
19	9/3	1852	+5	1857	Nobuyuki Oouchi5-dan / age 22 1702	Osho-sen Challenger league	○
20	9/10	1857	+4	1861	Genichi Oono8-dan / age 53 1669	Osho-sen Challenger league	○
21	9/14	1861	+4	1865	Shigeyuki Matsuda8-dan / age 43 1688	Osho-sen Challenger league	○
22	9/24	1865	-11	1854	Masao TsukadaLifetime 9-dan / age 50 1711	Kisei-sen Main Round 2	●
23	9/29	1854	+5	1859	Masao TsukadaLifetime 9-dan / age 50 1722	Junisen Class A	○
24	10/9	1859	+6	1864	Hifumi Katoh8-dan / age 24 1753	Judan-sen Challenger league Round 10	○
25	10/14	1864	-10	1854	Hiroji Katou8-dan / age 41 1753	Osho-sen Challenger league	●
26	10/20	1854	+6	1859	Tatsuya Futakami8-dan / age 32 1748	Junisen Class A	○
27	10/30	1859	-9	1851	Yasuharu Ooyama5 titles / age 41 1834	Judan-sen Game 1	●
28	11/9	1851	+8	1859	Yasuharu Ooyama5 titles / age 41 1843	Judan-sen Game 2	○
29	11/19	1859	-8	1850	Yasuharu Ooyama5 titles / age 41 1841	Judan-sen Game 3	●
30	11/26	1850	+6	1856	山田道美age 30 1740	Osho-sen Challenger league	○
31	12/3	1856	-8	1848	Yasuharu Ooyama5 titles / age 41 1849	Judan-sen Game 4	●
32	12/9	1848	-12	1836	Michio Ariyoshi7-dan / age 29 1665	Osho-sen Challenger league	●
33	12/15	1836	+9	1844	Yasuharu Ooyama5 titles / age 41 1861	Judan-sen Game 5	○
34	12/21	1844	-10	1834	Hiroji Katou8-dan / age 41 1758	Osho-sen Challenger league Playoff	●
35	12/25	1834	-7	1827	Yasuharu Ooyama5 titles / age 41 1862	Judan-sen Game 6	●
36	1/4	1827	-11	1816	Masao TsukadaLifetime 9-dan / age 50 1680	NHK Cup Main Round 1	●
37	1/13	1816	-11	1805	Yuzo Maruta8-dan / age 45 1702	Junisen Class A	●
38	1/21	1805	+7	1812	Hifumi Katoh8-dan / age 25 1746	Junisen Class A	○
39	2/24	1812	-10	1802	Hiroji Katou8-dan / age 41 1733	Junisen Class A	●
40	3/16	1802	-9	1793	山田道美age 31 1760	Junisen Class A	●
41	3/20	1793	+5	1798	Yasuo Harada8-dan / age 42 1662	Kisei-sen Main Round 1	○
42	3/27	1798	+5	1803	Yoshinori Kimura4-dan / age 29 1668	Kisei-sen Main Round 2	○

FY1963 results6W-3L

Win rate0.667

Rating1806

Rank/title at FY end / age9-dan / age 46

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	18th term	1816	+6	1821	Hiroji Katou8-dan / age 39 1707	Junisen Class A	○
2	18th term	1816	+6	1821	Genichi Oono8-dan / age 51 1709	Junisen Class A	○
3	18th term	1816	+7	1823	Tatsuya FutakamiOsho / age 31 1787	Junisen Class A	○
4	18th term	1816	+5	1821	Renshou Nada8-dan / age 36 1686	Junisen Class A	○
5	18th term	1816	+5	1820	Toyoichi Igarashi8-dan / age 38 1656	Junisen Class A	○
6	18th term	1816	+5	1821	Michihito Kumagai8-dan / age 32 1702	Junisen Class A	○
7	18th term	1816	-10	1806	Hifumi Katoh8-dan / age 23 1743	Junisen Class A	●
8	18th term	1816	-10	1806	Yuzo Maruta8-dan / age 44 1720	Junisen Class A	●
9	18th term	1816	-10	1806	Masao TsukadaLifetime 9-dan / age 48 1716	Junisen Class A	●

FY1962 results8W-2L

Win rate0.800

Rating1776

Rank/title at FY end / age9-dan / age 45

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	17th term	1787	-8	1778	Tatsuya Futakami8-dan / age 30 1770	Junisen Class A	●
2	17th term	1787	+7	1794	Hifumi Katoh8-dan / age 22 1733	Junisen Class A	○
3	17th term	1787	+5	1792	Motoji Hanamura8-dan / age 44 1666	Junisen Class A	○
4	17th term	1787	+7	1794	Hirofumi Serizawa8-dan / age 25 1757	Junisen Class A	○
5	17th term	1787	+5	1792	Hisao Hirotsu8-dan / age 39 1663	Junisen Class A	○
6	17th term	1787	+6	1793	Masao TsukadaLifetime 9-dan / age 48 1718	Junisen Class A	○
7	17th term	1787	+6	1793	Michihito Kumagai8-dan / age 31 1700	Junisen Class A	○
8	17th term	1787	+6	1793	Renshou Nada8-dan / age 35 1699	Junisen Class A	○
9	17th term	1787	+7	1793	Yuzo Maruta8-dan / age 43 1723	Junisen Class A	○
10	17th term	1787	-11	1776	Genichi Oono8-dan / age 51 1666	Junisen Class A	●

FY1961 results5W-3L

Win rate0.625

Rating1795

Rank/title at FY end / age9-dan / age 44

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	16th term	1790	-10	1780	Tatsuya Futakami8-dan / age 29 1719	Junisen Class A	●
2	16th term	1790	-10	1779	Renshou Nada8-dan / age 34 1690	Junisen Class A	●
3	16th term	1790	-11	1778	Hisao Hirotsu7-dan / age 38 1644	Junisen Class A	●
4	16th term	1790	+6	1796	Hiroji Katou8-dan / age 38 1718	Junisen Class A	○
5	16th term	1790	+8	1797	Hirofumi Serizawaage 24 1772	Junisen Class A	○
6	16th term	1790	+6	1796	Yuzo Maruta8-dan / age 42 1721	Junisen Class A	○
7	16th term	1790	+6	1795	Motoji Hanamura8-dan / age 43 1679	Junisen Class A	○
8	16th term	1790	+6	1795	Genichi Oono8-dan / age 50 1688	Junisen Class A	○

FY1956 results7W-2L

Win rate0.778

Rating1781

Rank/title at FY end / ageOsho / age 39

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	11th term	1792	-9	1783	Motoji Hanamura8-dan / age 38 1748	Junisen Class A	●
2	11th term	1792	+5	1797	Nobuhiko Sakaguchiage 47 1672	Junisen Class A	○
3	11th term	1792	+5	1797	Kazukiyo Takashima8-dan / age 40 1647	Junisen Class A	○
4	11th term	1792	+5	1797	Shigeyuki Matsuda8-dan / age 35 1670	Junisen Class A	○
5	11th term	1792	+5	1797	Toyoichi Igarashi8-dan / age 31 1654	Junisen Class A	○
6	11th term	1792	+8	1799	Tatsuya Futakami7-dan / age 24 1772	Junisen Class A	○
7	11th term	1792	+5	1797	Yasuo Harada8-dan / age 33 1645	Junisen Class A	○
8	11th term	1792	+6	1798	Renshou Nada8-dan / age 29 1701	Junisen Class A	○
9	11th term	1792	-11	1781	Masao TsukadaLifetime 9-dan / age 42 1678	Junisen Class A	●

FY1955 results8W-2L

Win rate0.800

Rating1782

Rank/title at FY end / ageOsho / age 38

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	10th term	1777	-10	1767	Masao TsukadaLifetime 9-dan / age 41 1711	Junisen Class A	●
2	10th term	1777	-10	1767	Renshou Nada8-dan / age 28 1708	Junisen Class A	●
3	10th term	1777	+7	1784	Motoji Hanamura8-dan / age 37 1719	Junisen Class A	○
4	10th term	1777	+5	1782	Toyoichi Igarashi8-dan / age 30 1658	Junisen Class A	○
5	10th term	1777	+5	1782	Tsutomu Matsushita8-dan / age 42 1648	Junisen Class A	○
6	10th term	1777	+5	1782	Yasuo Harada8-dan / age 32 1645	Junisen Class A	○
7	10th term	1777	+5	1782	Genichi Oono8-dan / age 44 1651	Junisen Class A	○
8	10th term	1777	+5	1782	Kazukiyo Takashima8-dan / age 39 1661	Junisen Class A	○
9	10th term	1777	+5	1782	松浦卓造age 40 1659	Junisen Class A	○
10	10th term	1777	+5	1782	Shigeyuki Matsuda8-dan / age 34 1658	Junisen Class A	○

FY1953 results7W-3L

Win rate0.700

Rating1758

Rank/title at FY end / age8-dan / age 36

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	8th term	1769	+5	1774	Yasuo Harada8-dan / age 30 1647	Junisen Class A	○
2	8th term	1769	+6	1775	Toshio Takayanagi8-dan / age 33 1658	Junisen Class A	○
3	8th term	1769	+6	1775	Masao Tsukada8-dan / age 39 1681	Junisen Class A	○
4	8th term	1769	+5	1774	Seiichi Kobori8-dan / age 41 1649	Junisen Class A	○
5	8th term	1769	+6	1775	Yuzo Maruta8-dan / age 34 1694	Junisen Class A	○
6	8th term	1769	+5	1774	Shigeyuki Matsuda8-dan / age 32 1654	Junisen Class A	○
7	8th term	1769	+7	1776	Motoji Hanamura8-dan / age 35 1714	Junisen Class A	○
8	8th term	1769	-10	1759	Renshou Nadaage 26 1700	Junisen Class A	●
9	8th term	1769	-11	1758	Shigekazu Minamiguchi8-dan / age 34 1628	Junisen Class A	●
10	8th term	1769	-11	1758	Genichi Oono8-dan / age 41 1613	Junisen Class A	●

FY1952 results6W-2L

Win rate0.750

Rating1744

Rank/title at FY end / age8-dan / age 35

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	7th term	1755	+6	1761	Masao Tsukada8-dan / age 38 1646	Junisen Class A	○
2	7th term	1755	+5	1761	Shirou Itaya8-dan / age 39 1634	Junisen Class A	○
3	7th term	1755	+5	1761	Yasuo Harada8-dan / age 29 1643	Junisen Class A	○
4	7th term	1755	+7	1763	Motoji Hanamura5-dan / age 34 1727	Junisen Class A	○
5	7th term	1755	+5	1761	Tsutomu Matsushitaage 39 1631	Junisen Class A	○
6	7th term	1755	+6	1761	Seiichi Kobori7-dan / age 40 1665	Junisen Class A	○
7	7th term	1755	-9	1746	Yuzo Maruta8-dan / age 33 1701	Junisen Class A	●
8	7th term	1755	-11	1744	Shigeyuki Matsuda8-dan / age 31 1612	Junisen Class A	●

FY1951 results6W-2L

Win rate0.750

Rating1727

Rank/title at FY end / ageOsho / age 34

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	6th term	1737	+8	1746	Yasuharu Ooyama8-dan / age 28 1752	Junisen Class A	○
2	6th term	1737	+7	1744	Yuzo Maruta8-dan / age 32 1690	Junisen Class A	○
3	6th term	1737	+6	1743	Nobuhiko Sakaguchiage 42 1636	Junisen Class A	○
4	6th term	1737	+6	1743	Yasuo Harada8-dan / age 28 1637	Junisen Class A	○
5	6th term	1737	+5	1743	Shigeyuki Matsudaage 30 1618	Junisen Class A	○
6	6th term	1737	+4	1742	Mitsuyuki Aramaki7-dan / age 36 1572	Junisen Class A	○
7	6th term	1737	-11	1727	Masao Tsukada8-dan / age 37 1620	Junisen Class A	●
8	6th term	1737	-10	1727	Shirou Itaya8-dan / age 38 1626	Junisen Class A	●

FY1950 results8W-1L

Win rate0.889

Rating1684

Rank/title at FY end / age8-dan / age 33

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	5th term	1693	+9	1701	Yasuharu Ooyama8-dan / age 27 1724	Junisen Class A	○
2	5th term	1693	+6	1699	Masao Tsukada8-dan / age 36 1612	Junisen Class A	○
3	5th term	1693	+7	1699	Kazukiyo Takashima8-dan / age 34 1634	Junisen Class A	○
4	5th term	1693	+6	1698	Genichi Oono8-dan / age 38 1590	Junisen Class A	○
5	5th term	1693	+7	1699	Toshio Takayanagi7-dan / age 30 1639	Junisen Class A	○
6	5th term	1693	+7	1700	Shirou Itaya7-dan / age 37 1651	Junisen Class A	○
7	5th term	1693	+6	1699	Shigekazu Minamiguchi7-dan / age 31 1614	Junisen Class A	○
8	5th term	1693	+6	1699	Nobuhiko Sakaguchiage 41 1603	Junisen Class A	○
9	5th term	1693	-8	1684	Yuzo Maruta8-dan / age 31 1672	Junisen Class A	●

FY1949 results6W-2L

Win rate0.750

Rating1671

Rank/title at FY end / age8-dan / age 32

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4th term	1663	-9	1654	Masao Tsukada8-dan / age 35 1603	Junisen Class A	●
2	4th term	1663	-7	1656	Yasuharu Ooyama8-dan / age 26 1703	Junisen Class A	●
3	4th term	1663	+8	1671	Yuzo Maruta8-dan / age 30 1658	Junisen Class A	○
4	4th term	1663	+6	1670	Genichi Oono8-dan / age 38 1594	Junisen Class A	○
5	4th term	1663	+7	1671	Shuuya Kitadate8-dan / age 36 1638	Junisen Class A	○
6	4th term	1663	+9	1672	Toyoichi Igarashi7-dan / age 24 1685	Junisen Class A	○
7	4th term	1663	+7	1671	Kazukiyo Takashimaage 33 1630	Junisen Class A	○
8	4th term	1663	+8	1671	Yasuo Harada7-dan / age 26 1653	Junisen Class A	○

FY1948 results6W-3L

Win rate0.667

Rating1625

Rank/title at FY end / age8-dan / age 31

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	3rd term	1634	+7	1641	Genichi Oono8-dan / age 36 1586	Junisen Class A	○
2	3rd term	1634	+7	1641	土居市太郎age 60 1602	Junisen Class A	○
3	3rd term	1634	+9	1642	Yuzo Maruta7-dan / age 29 1658	Junisen Class A	○
4	3rd term	1634	+7	1641	Jirou Katou8-dan / age 38 1586	Junisen Class A	○
5	3rd term	1634	+8	1642	Shuuya Kitadate7-dan / age 35 1642	Junisen Class A	○
6	3rd term	1634	+7	1641	Kiyoshi Hagiwara8-dan / age 43 1586	Junisen Class A	○
7	3rd term	1634	-7	1627	Yasuharu Ooyamaage 25 1674	Junisen Class A	●
8	3rd term	1634	-9	1625	Yoshio Kimura8-dan / age 43 1602	Junisen Class A	●
9	3rd term	1634	-8	1625	松田辰雄age 31 1626	Junisen Class A	●

FY1947 results6W-1L

Win rate0.857

Rating1598

Rank/title at FY end / age8-dan / age 30

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	2nd term	1606	+8	1614	Yoshio Kimura8-dan / age 42 1606	Junisen Class A	○
2	2nd term	1606	+8	1614	Genichi Oono8-dan / age 35 1606	Junisen Class A	○
3	2nd term	1606	+8	1614	Kiyoshi Hagiwara8-dan / age 42 1606	Junisen Class A	○
4	2nd term	1606	+8	1614	土居市太郎age 59 1606	Junisen Class A	○
5	2nd term	1606	+8	1614	Jirou Katou8-dan / age 37 1606	Junisen Class A	○
6	2nd term	1606	+8	1614	村上真一age 50 1606	Junisen Class A	○
7	2nd term	1606	-8	1598	花田長太郎age 50 1606	Junisen Class A	●

Unofficial Elo rating calculated by this site from available game results (each fiscal year is shifted so that the average player is 1600). Up to FY1963 only Junisen games are included; from FY1964 all official games. Games without dates are ordered by estimated term and round.Method
How the deviation score is calculated: see here.