Rating › Yusei Koga

Rating of Yusei Koga

Player page　Last game 2026-10-28

Current rating1778

Peak1824
2026-01-22

Games243

By fiscal year

FY	Age	Annual rank	Rank	Junisen	Ryuo-sen	Rating	Deviation	Change	W	L	Win rate
FY2026	age 25	23rd	6-dan	Class B2	Group 5	1778	52.8	-9	16	9	0.640
FY2025	age 25	21st	6-dan	Class B2	Group 6	1786	61.5	+19	28	16	0.636
FY2024	age 24	28th	6-dan	Class B2	Group 6	1767	59.3	+31	28	15	0.651
FY2023	age 23	38th	6-dan	Class C1	Group 6	1736	56.1	+12	21	11	0.656
FY2022	age 22	42nd	5-dan	Class C2	Group 6	1724	59.1	+67	31	13	0.705
FY2021	age 21	66th	4-dan		Group 6	1657	54.2	+36	22	14	0.611
FY2020	age 20	84th	4-dan		Group 6	1621		+13	7	5	0.583
FY2019	age 19	90th	3-dan		Group 6	1608		+16	5	2	0.714

Games by fiscal year

FY2026 results16W-9L

Win rate0.640

Rating1778

Annual rank23rd

Rank/title at FY end / age6-dan / age 25

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/2	1776	+3	1779	Kenji Imaizumi5-dan / age 52 1539	Kio-sen Prelims Round 2	Sente	○
2	4/14	1779	+12	1792	Takumi ItoEio・Oza / age 23 1979	Oi-sen White league Round 2	Sente	○
3	4/21	1792	+6	1798	Kazuo Sugimoto6-dan / age 34 1714	Oi-sen White league Round 4	Sente	○
4	4/24	1798	+1	1799	Ryo Shimamoto6-dan / age 45 1367	Kio-sen Prelims Round 3	Gote	○
5	5/8	1799	+9	1808	Yuuki Sasaki8-dan / age 31 1823	Oi-sen White league Round 5	Gote	○
6	5/14	1808	+3	1810	Masataka Sugimoto8-dan / age 57 1538	Kio-sen Prelims Round 4	Gote	○
7	5/19	1810	-4	1806	Takumi ItoEio・Oza / age 23 1976	Oi-sen White league Playoff Final	Gote	●
8	6/13	1806	+6	1812	Mikio Kariyama5-dan / age 24 1733	Kio-sen Prelims Final	Sente	○
9	6/17	1812	-11	1801	Nobuyuki Yashiki9-dan / age 54 1663	Junisen Class B2 Round 1	Sente	●
10	6/23	1801	-12	1789	Sakio Chiba7-dan / age 47 1590	Ryuo-sen Group 5 Promotion playoff Round 2	Gote	●
11	6/28	1789	+4	1793	Makoto Sasaki7-dan / age 46 1619	NHK Cup Main Round 1	Sente	○
12	7/15	1793	-11	1782	Hiroaki Yokoyama7-dan / age 45 1669	Junisen Class B2 Round 2	Gote	●
13	7/22	1782	+7	1790	Shingo Sawada7-dan / age 34 1750	Kio-sen Main Round 2	Gote	○
14	8/5	1790	-12	1778	Ayumu Matsuo8-dan / age 46 1604	Junisen Class B2 Round 3	Sente	●
15	8/11	1778	+4	1782	Hiroto Ikegaki4-dan / age 23 1581	Asahi Cup Prelim 1 Round 2	Sente	○
16	8/11	1778	-8	1770	Hirotoshi Ueno6-dan / age 23 1777	Asahi Cup Prelim 1 Round 3	Gote	●
17	8/13	1774	-9	1765	Toshiyuki Moriuchi9-dan / age 55 1741	Ginga-sen Block H Round 8	Gote	●
18	8/20	1765	+8	1773	Asuto Saito6-dan / age 28 1775	Kio-sen Main Round 3	Sente	○
19	8/23	1773	+9	1782	Amahiko Satoh9-dan / age 38 1808	NHK Cup Main Round 2	Gote	○
20	8/26	1782	+4	1786	Makoto Sasaki7-dan / age 46 1603	Junisen Class B2 Round 4	Gote	○
21	9/25	1786	-10	1776	Kazuki Kimura9-dan / age 53 1684	Junisen Class B2 Round 5	Gote	●
22	10/9	1776	+1	1777	Ryo Shimamoto6-dan / age 46 1349	Eio-sen 6-dan section Round 1	Gote	○
23	10/9	1776	+2	1778	Yuya Nagaoka6-dan / age 41 1436	Eio-sen 6-dan section Round 2	Sente	○
24	10/22	1779	-6	1773	Akira Watanabe9-dan / age 42 1872	Kio-sen Main Quarterfinal	Sente	●
25	10/28	1773	+5	1778	Hisashi Namekata9-dan / age 52 1625	Junisen Class B2 Round 6	Sente	○

FY2025 results28W-16L

Win rate0.636

Rating1786

Annual rank21st

Rank/title at FY end / age6-dan / age 25

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/1	1763	+5	1768	Yasuaki Murayama8-dan / age 40 1645	Osho-sen Prelim 1 Round 3	Sente	○
2	4/4	1768	+6	1774	Seiya Tomita5-dan / age 29 1676	Kio-sen Prelims Round 3	Gote	○
3	4/10	1774	+6	1780	Ryuuma Tonari7-dan / age 35 1695	Oi-sen White league Round 2	Sente	○
4	4/17	1780	-14	1766	Shingo Hirafuji7-dan / age 61 1430	Ryuo-sen Group 6 Ranking Round 4	Sente	●
5	4/22	1766	+8	1774	Akihiro Ida5-dan / age 28 1747	Kio-sen Prelims Round 4	Gote	○
6	4/29	1774	+9	1782	Kazuo Sugimoto6-dan / age 33 1804	Oi-sen White league Round 4	Gote	○
7	5/7	1782	+9	1791	Shintaro Saito8-dan / age 32 1828	Oi-sen White league Round 5	Sente	○
8	5/9	1791	-8	1783	Masataka Goda9-dan / age 54 1797	Ginga-sen Block F Round 7	Sente	●
9	5/19	1783	-10	1773	Yuta Ishikawa5-dan / age 30 1698	Osho-sen Prelim 1 Round 4	Sente	●
10	5/28	1773	-7	1767	Nagisa Fujimoto6-dan / age 19 1826	Kio-sen Prelims Final	Gote	●
11	6/18	1767	-8	1758	Takayuki Yamasaki9-dan / age 44 1747	Junisen Class B2 Round 1	Sente	●
12	6/27	1758	+5	1763	Kenji Imaizumi5-dan / age 51 1606	Ryuo-sen Group 6 Promotion playoff Round 4	Sente	○
13	7/2	1763	-8	1754	Mikio Kariyama5-dan / age 23 1744	Asahi Cup Prelim 1 Round 2	Gote	●
14	7/9	1754	+8	1762	Chikara Akutsu8-dan / age 43 1747	Junisen Class B2 Round 2	Gote	○
15	7/30	1762	+5	1768	Kazutoshi Satoh7-dan / age 47 1637	Junisen Class B2 Round 3	Sente	○
16	8/5	1768	+4	1771	Saito Morimoto4-dan / age 24 1557	Shinjin-o-sen Main Round 3	Gote	○
17	8/12	1771	+5	1776	Kenta Miyajima4-dan / age 25 1642	Ryuo-sen Group 6 Promotion playoff Round 5	Gote	○
18	8/20	1776	-10	1767	Hiroyuki Miura9-dan / age 51 1707	Junisen Class B2 Round 4	Gote	●
19	8/29	1767	+7	1774	Ryuma Yoshiike4-dan / age 20 1741	Shinjin-o-sen Main Quarterfinal	Sente	○
20	9/2	1774	+4	1778	Kenji Imaizumi5-dan / age 52 1588	Ginga-sen Prelims Final	Sente	○
21	9/16	1778	+1	1780	Shinya Yamamoto6-dan / age 53 1367	Eio-sen 6-dan section Round 1	Gote	○
22	9/16	1778	+4	1782	Kazuhiro Nishikawa6-dan / age 39 1564	Eio-sen 6-dan section Round 2	Sente	○
23	9/24	1783	-5	1778	Shinichiro Hattori7-dan / age 26 1910	Shinjin-o-sen Main Semifinal	Gote	●
24	10/1	1778	+4	1782	Ehoto Osogaguchi4-dan / age 25 1568	Ryuo-sen Group 6 Promotion playoff Round 6	Sente	○
25	10/15	1782	+4	1785	Takeshi Fujii9-dan / age 55 1565	Junisen Class B2 Round 5	Gote	○
26	10/22	1785	+4	1790	Yujirou Takahashi4-dan / age 26 1616	Ryuo-sen Group 6 Promotion playoff Semifinal	Sente	○
27	10/31	1790	+5	1795	Yasuaki Murayama8-dan / age 41 1664	Kisei-sen Prelim 2 Round 1	Sente	○
28	11/5	1795	+8	1803	Yoshiharu Habu9-dan / age 55 1811	Junisen Class B2 Round 6	Sente	○
29	11/11	1803	+7	1811	Hirotoshi Ueno5-dan / age 22 1769	Ryuo-sen Group 6 Promotion playoff Final	Gote	○
30	11/27	1811	-8	1803	Masayuki Toyoshima9-dan / age 35 1811	Kisei-sen Prelim 2 Round 2	Gote	●
31	12/10	1803	-10	1792	Makoto Tobe7-dan / age 39 1699	Junisen Class B2 Round 7	Gote	●
32	12/16	1792	+3	1795	Yugo Takeuchi5-dan / age 37 1543	Ryuo-sen Group 5 Ranking Round 1	Sente	○
33	12/26	1795	+10	1805	Nagisa Fujimoto7-dan / age 20 1863	Eio-sen 6-dan section Round 3	Sente	○
34	12/26	1795	+3	1799	Hiromu Watanabe6-dan / age 37 1561	Eio-sen 6-dan section Final	Sente	○
35	1/14	1808	+5	1814	Takuma Oikawa7-dan / age 38 1690	Junisen Class B2 Round 8	Sente	○
36	1/22	1814	+10	1824	Shinichiro Hattori7-dan / age 26 1910	Eio-sen Main Round 1	Sente	○
37	1/30	1824	-7	1816	Shintaro Saito8-dan / age 32 1856	Eio-sen Main Round 2	Sente	●
38	2/4	1816	-10	1806	Toshiaki Kubo9-dan / age 50 1730	Junisen Class B2 Round 9	Gote	●
39	2/13	1806	+10	1817	Shinichiro Hattori7-dan / age 26 1908	Oi-sen White league Round 1	Gote	○
40	2/27	1817	-7	1810	Shintaro Saito8-dan / age 32 1875	Oza-sen Prelim 2 Round 2	Sente	●
41	3/4	1810	+5	1815	Tadahisa Maruyama9-dan / age 55 1693	Junisen Class B2 Round 10	Sente	○
42	3/10	1815	-6	1809	Nagisa Fujimoto7-dan / age 20 1892	Oi-sen White league Round 3	Gote	●
43	3/13	1809	-10	1799	Akihiro Takada5-dan / age 23 1716	Osho-sen Prelim 1 Round 2	Gote	●
44	3/19	1799	-13	1786	Kensuke Kitahama8-dan / age 50 1564	Ryuo-sen Group 5 Ranking Round 2	Gote	●

FY2024 results28W-15L

Win rate0.651

Rating1767

Annual rank28th

Rank/title at FY end / age6-dan / age 24

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/11	1735	+8	1742	Akihiro Ida4-dan / age 27 1720	Osho-sen Prelim 1 Round 3	Sente	○
2	4/21	1742	-9	1733	Yuta Komori5-dan / age 28 1679	NHK Cup Main Round 1	Sente	●
3	4/26	1733	+7	1740	Seiya Tomita5-dan / age 28 1699	Kio-sen Prelims Round 3	Gote	○
4	5/1	1740	-9	1731	Takuya Nishida5-dan / age 32 1717	Osho-sen Prelim 1 Round 4	Gote	●
5	5/8	1731	-9	1722	Takayuki Kuroda5-dan / age 27 1688	Kio-sen Prelims Round 4	Gote	●
6	5/17	1722	-9	1714	Mikio Kariyama4-dan / age 22 1689	Shinjin-o-sen Main Round 3	Gote	●
7	6/4	1714	+5	1719	Kenji Imaizumi5-dan / age 50 1584	Ryuo-sen Group 6 Promotion playoff Round 2	Gote	○
8	6/12	1719	+5	1724	Kensuke Kitahama8-dan / age 48 1575	Junisen Class B2 Round 1	Gote	○
9	6/26	1724	-11	1712	Kenta Miyajima4-dan / age 24 1563	Ryuo-sen Group 6 Promotion playoff Round 3	Gote	●
10	7/4	1712	+6	1719	Kenshi Tokuda4-dan / age 26 1638	Asahi Cup Prelim 1 Round 2	Gote	○
11	7/10	1719	+8	1727	Tadahisa Maruyama9-dan / age 53 1740	Junisen Class B2 Round 2	Sente	○
12	8/2	1727	+10	1737	Nagisa Fujimoto5-dan / age 19 1797	Asahi Cup Prelim 1 Round 3	Sente	○
13	8/7	1737	+7	1744	Toshiaki Kubo9-dan / age 48 1704	Junisen Class B2 Round 3	Gote	○
14	8/30	1744	+2	1746	Kozo Arimori8-dan / age 61 1421	Ginga-sen Prelims Final	Sente	○
15	9/4	1746	-8	1738	Mirai Aoshima6-dan / age 29 1728	Junisen Class B2 Round 4	Sente	●
16	9/27	1738	-8	1729	Takashi Ikenaga6-dan / age 31 1720	Asahi Cup Prelim 1 Final	Sente	●
17	10/2	1729	+2	1731	Yoshikazu Minami9-dan / age 61 1401	Oi-sen Prelims Round 2	Sente	○
18	10/9	1731	-9	1722	Kazuki Kimura9-dan / age 51 1674	Junisen Class B2 Round 5	Sente	●
19	10/24	1722	+10	1732	Tetsuro Itodani8-dan / age 36 1825	Oi-sen Prelims Round 3	Gote	○
20	10/31	1732	+5	1737	Mitsunori Makino6-dan / age 36 1571	Eio-sen 6-dan section Round 1	Gote	○
21	10/31	1732	-10	1722	Akihiro Murata6-dan / age 38 1622	Eio-sen 6-dan section Round 2	Gote	●
22	11/7	1726	+7	1734	Toshiaki Kubo9-dan / age 49 1697	Kisei-sen Prelim 2 Round 1	Gote	○
23	11/13	1734	+7	1741	Koichi Fukaura9-dan / age 52 1685	Junisen Class B2 Round 6	Gote	○
24	11/27	1741	+8	1748	Akihiro Takada5-dan / age 22 1721	Oi-sen Prelims Round 4	Sente	○
25	12/6	1748	+5	1754	Koji Tanigawa9-dan / age 62 1629	Junisen Class B2 Round 7	Sente	○
26	12/12	1754	+2	1755	Yoshikazu Minami9-dan / age 61 1402	Kisei-sen Prelim 2 Round 2	Gote	○
27	12/16	1755	+9	1764	Tatsuya Sugai8-dan / age 32 1795	Oi-sen Prelims Final	Sente	○
28	12/26	1764	+6	1770	Yasuaki Murayama8-dan / age 40 1662	Oza-sen Prelim 2 Round 1	Sente	○
29	1/9	1770	+3	1773	Hiroshi Miyamoto5-dan / age 38 1495	Ryuo-sen Group 6 Ranking Round 2	Gote	○
30	1/15	1773	-11	1762	Yasuaki Murayama8-dan / age 40 1656	Junisen Class B2 Round 8	Gote	●
31	1/31	1762	-8	1755	Takuya Nishida5-dan / age 33 1779	Kisei-sen Prelim 2 Final	Sente	●
32	2/5	1755	+7	1762	Kazushi Watanabe7-dan / age 30 1711	Junisen Class B2 Round 9	Sente	○
33	2/11	1762	-4	1757	Takuya Nagase9-dan / age 32 1941	Oi-sen White league Round 1	Gote	●
34	2/14	1757	+9	1766	Takashi Ikenaga6-dan / age 31 1782	Oza-sen Prelim 2 Round 2	Gote	○
35	2/18	1766	+7	1773	Mikio Kariyama5-dan / age 23 1731	Kio-sen Prelims Round 2	Sente	○
36	2/21	1773	-13	1760	小林裕士8-dan / age 48 1530	NHK Cup Prelims Round 1	Gote	●
37	2/26	1760	+2	1762	Shinya Yamamoto6-dan / age 53 1389	Osho-sen Prelim 1 Round 2	Gote	○
38	3/5	1762	-8	1754	Chikara Akutsu8-dan / age 42 1744	Junisen Class B2 Round 10	Gote	●
39	3/10	1754	+9	1763	Yoshiharu Habu9-dan / age 54 1805	Oi-sen White league Round 3	Gote	○
40	3/12	1763	+6	1769	Seiya Tomita5-dan / age 29 1687	Ginga-sen Block F Round 6		○
41	3/19	1769	-7	1762	Tatsuya Sugai8-dan / age 32 1806	Oza-sen Prelim 2 Final	Gote	●
42	3/23	1762	+1	1763	小林智晴アマ 1360	Shinjin-o-sen Main Round 2	Gote	○
43	3/27	1763	+4	1767	Taiki Yamakawa4-dan / age 26 1584	Ryuo-sen Group 6 Ranking Round 3	Gote	○

FY2023 results21W-11L

Win rate0.656

Rating1736

Annual rank38th

Rank/title at FY end / age6-dan / age 23

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/28	1718	+7	1725	Yasuaki Murayama7-dan / age 38 1663	Osho-sen Prelim 1 Round 4	Sente	○
2	5/10	1725	-12	1713	福間香奈 1559	Kisei-sen Prelim 1 Round 1	Sente	●
3	5/25	1713	-8	1705	Takuya Nishida5-dan / age 31 1720	Osho-sen Prelim 1 Final	Sente	●
4	6/6	1705	-8	1697	Akihiro Takada4-dan / age 20 1712	Shinjin-o-sen Main Round 3	Gote	●
5	6/13	1697	+6	1703	Kazutoshi Satoh7-dan / age 45 1586	Junisen Class C1 Round 1	Sente	○
6	6/28	1703	-8	1695	Ryuuma Tonari7-dan / age 33 1722	Asahi Cup Prelim 1 Round 2	Gote	●
7	7/7	1695	-12	1683	Yugo Takeuchi5-dan / age 35 1497	Eio-sen 5-dan section Round 1	Gote	●
8	7/11	1683	+5	1688	Keiichi Sanada8-dan / age 50 1523	Junisen Class C1 Round 2	Gote	○
9	8/1	1688	+3	1691	Tadao Kitajima7-dan / age 57 1440	Junisen Class C1 Round 3	Gote	○
10	8/15	1691	+5	1696	Ryosuke Nakamura6-dan / age 37 1566	Ryuo-sen Group 6 Promotion playoff Round 4	Sente	○
11	8/22	1696	-10	1686	Shogo Orita5-dan / age 33 1616	Oi-sen Prelims Round 2	Gote	●
12	8/29	1686	+13	1699	Takumi Ito7-dan / age 20 1913	Junisen Class C1 Round 4	Sente	○
13	9/5	1699	+3	1702	Naoya Fujiwara7-dan / age 58 1457	Ginga-sen Prelims	Sente	○
14	9/27	1702	+7	1709	Reo Okabe4-dan / age 24 1649	Ryuo-sen Group 6 Promotion playoff Round 5	Sente	○
15	10/17	1709	+7	1716	Hirotaka Nozuki8-dan / age 50 1685	Junisen Class C1 Round 6	Sente	○
16	10/31	1716	+3	1719	Naoya Fujiwara7-dan / age 58 1455	Ryuo-sen Group 6 Promotion playoff Semifinal	Sente	○
17	11/7	1719	+4	1724	Kenjirou Abe7-dan / age 34 1551	Junisen Class C1 Round 7	Gote	○
18	11/13	1724	-10	1713	Mikio Kariyama4-dan / age 22 1611	Ryuo-sen Group 6 Promotion playoff Final	Gote	●
19	11/24	1713	-8	1705	Takashi Ikenaga5-dan / age 30 1723	Oza-sen Prelim 1 Round 2	Gote	●
20	12/5	1705	-8	1698	Wakamu Deguchi6-dan / age 28 1719	Junisen Class C1 Round 8	Sente	●
21	12/27	1698	+8	1705	Seiya Tomita4-dan / age 27 1677	Ginga-sen Block B Round 4	Gote	○
22	1/9	1705	+8	1713	Takayuki Kuroda5-dan / age 27 1691	Junisen Class C1 Round 9	Gote	○
23	1/24	1713	-9	1704	Seiya Tomita4-dan / age 27 1681	Ryuo-sen Group 6 Ranking Round 2	Sente	●
24	1/31	1704	+3	1707	Takanori Anyouji7-dan / age 49 1478	Kio-sen Prelims Round 2	Gote	○
25	2/6	1707	+4	1712	Hiroshi Miyamoto5-dan / age 38 1537	Junisen Class C1 Round 10	Sente	○
26	2/15	1712	-10	1702	Kazutoshi Satoh7-dan / age 45 1626	Ginga-sen Block B Round 5	Gote	●
27	2/19	1702	+7	1709	Mikio Kariyama4-dan / age 22 1675	NHK Cup Prelims	Sente	○
28	2/19	1702	+7	1709	Yuta Ishikawa5-dan / age 29 1675	NHK Cup Prelims	Gote	○
29	2/19	1702	+9	1711	Akihiro Takada4-dan / age 21 1732	NHK Cup Prelims	Sente	○
30	3/1	1725	+3	1728	Naruyuki Hatakeyama8-dan / age 54 1440	Osho-sen Prelim 1 Round 2	Sente	○
31	3/5	1728	+4	1731	Yoshiyuki Kubota7-dan / age 51 1509	Junisen Class C1 Round 11	Gote	○
32	3/14	1731	+5	1736	Hiroto Ikegaki3-dan / age 20 1570	Shinjin-o-sen Main Round 2	Gote	○

FY2022 results31W-13L

Win rate0.705

Rating1724

Annual rank42nd

Rank/title at FY end / age5-dan / age 22

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/11	1654	-5	1650	Shinichiro Hattori4-dan / age 22 1817	Shinjin-o-sen Main Round 3	Gote	●
2	4/20	1650	+5	1655	Shingo Hirafuji7-dan / age 58 1518	Ryuo-sen Group 6 Promotion playoff Round 2	Sente	○
3	5/13	1655	+6	1661	Mikio Kariyama4-dan / age 20 1588	Ryuo-sen Group 6 Promotion playoff Round 3	Sente	○
4	6/3	1661	+4	1665	Tomohiro Murata7-dan / age 41 1452	Kisei-sen Prelim 1 Round 1	Gote	○
5	6/3	1661	+8	1669	Akihiro Takada4-dan / age 19 1640	Kisei-sen Prelim 1 Round 2	Sente	○
6	6/8	1672	-10	1663	Yuta Komori5-dan / age 26 1601	Ryuo-sen Group 6 Promotion playoff Round 4	Gote	●
7	6/23	1663	+6	1669	Shinya Satoh7-dan / age 44 1595	Junisen Class C2 Round 1	Gote	○
8	7/9	1669	+2	1672	福間健太アマ 1365	Asahi Cup Prelim 1 Round 1	Gote	○
9	7/14	1672	+2	1673	Kazushiza Horiguchi7-dan / age 47 1294	Junisen Class C2 Round 2	Sente	○
10	7/29	1673	-4	1669	Shinichiro Hattori4-dan / age 22 1864	Kakogawa Seiryu-sen Main Round 3	Gote	●
11	8/2	1669	+5	1674	Yugo Takeuchi5-dan / age 34 1531	Oi-sen Prelims Round 1	Sente	○
12	8/16	1674	+7	1681	Yuta Komori5-dan / age 26 1631	Asahi Cup Prelim 1 Round 2	Sente	○
13	8/16	1674	+9	1684	Takashi Ikenaga5-dan / age 29 1734	Asahi Cup Prelim 1 Round 3	Sente	○
14	8/19	1691	+6	1696	Shuji Satoh8-dan / age 55 1580	Junisen Class C2 Round 3	Sente	○
15	8/24	1696	+9	1705	Takashi Ikenaga5-dan / age 29 1724	Ginga-sen Prelims Final	Sente	○
16	9/1	1705	+6	1711	Junpei Ide5-dan / age 31 1604	Junisen Class C2 Round 4	Gote	○
17	9/14	1711	+6	1716	Kazuhiro Nishikawa6-dan / age 36 1612	Asahi Cup Prelim 1 Final	Sente	○
18	9/27	1716	+5	1721	Masataka Sugimoto8-dan / age 53 1582	Oi-sen Prelims Round 2	Gote	○
19	9/30	1721	-5	1716	Shinichiro Hattori5-dan / age 23 1854	Kisei-sen Prelim 1 Round 3	Sente	●
20	10/4	1716	+7	1723	Yuta Ishikawa5-dan / age 27 1651	Eio-sen 4-dan section Round 2	Gote	○
21	10/13	1723	+7	1730	Hiroshi Yamamoto4-dan / age 26 1678	Junisen Class C2 Round 5	Gote	○
22	10/17	1730	+5	1735	Mitsunori Makino6-dan / age 34 1597	Oza-sen Prelim 1 Round 2	Gote	○
23	10/27	1735	+7	1742	Yasuaki Murayama7-dan / age 38 1680	Oi-sen Prelims Round 3	Sente	○
24	11/9	1742	+3	1744	Takehiro Ohira6-dan / age 45 1461	Ginga-sen Block D Round 1	Sente	○
25	11/9	1742	-11	1731	Naohiro Ishida5-dan / age 33 1606	Ginga-sen Block D Round 2	Gote	●
26	11/17	1733	+10	1743	Wataru Yashiro7-dan / age 28 1803	Junisen Class C2 Round 6	Sente	○
27	11/22	1743	-7	1736	Toshiaki Kubo9-dan / age 47 1782	Asahi Cup Prelim 2 Round 1	Gote	●
28	11/28	1736	-7	1729	Ryuuma Tonari7-dan / age 32 1786	Oi-sen Prelims Round 4	Gote	●
29	12/2	1729	-9	1720	Hiroshi Yamamoto4-dan / age 26 1667	Eio-sen 4-dan section Round 3	Gote	●
30	12/8	1720	+3	1723	Masakazu Kondoh7-dan / age 51 1495	Junisen Class C2 Round 7	Gote	○
31	12/15	1723	+2	1725	Shinya Yamamoto6-dan / age 51 1395	Ryuo-sen Group 6 Ranking Round 2	Sente	○
32	12/19	1725	-8	1717	Kenshi Tokuda4-dan / age 25 1733	Oza-sen Prelim 1 Round 3	Sente	●
33	1/16	1717	-10	1708	Kenji Imaizumi5-dan / age 49 1650	Kio-sen Prelims Round 2	Gote	●
34	1/24	1708	+2	1710	Kenji Kanzaki8-dan / age 59 1415	Osho-sen Prelim 1 Round 1	Sente	○
35	1/27	1710	+7	1717	Seiya Tomita4-dan / age 26 1656	Ryuo-sen Group 6 Ranking Round 3	Sente	○
36	2/2	1717	-10	1708	Seiya Tomita4-dan / age 26 1650	Junisen Class C2 Round 9	Gote	●
37	2/5	1708	+3	1711	Takahiro Toyokawa7-dan / age 55 1467	Junisen Class C2 Round 8	Sente	○
38	2/9	1711	+5	1716	Saito Morimoto3-dan / age 21 1590	Shinjin-o-sen Main Round 2	Sente	○
39	2/16	1716	+6	1722	Kensuke Kitahama8-dan / age 47 1614	Osho-sen Prelim 1 Round 2	Gote	○
40	2/22	1722	+2	1724	Yoshikazu Minami9-dan / age 59 1407	NHK Cup Prelims Round 1	Sente	○
41	2/22	1722	-7	1714	Ryuuma Tonari7-dan / age 33 1747	NHK Cup Prelims Round 2	Sente	●
42	3/2	1717	-10	1707	Mikio Kariyama4-dan / age 21 1633	Ryuo-sen Group 6 Ranking Round 4	Sente	●
43	3/14	1707	+7	1714	Kenji Imaizumi5-dan / age 49 1665	Junisen Class C2 Round 10	Sente	○
44	3/24	1714	+10	1724	Takahiro Oohashi7-dan / age 30 1817	Osho-sen Prelim 1 Round 3	Sente	○

FY2021 results22W-14L

Win rate0.611

Rating1657

Annual rank66th

Rank/title at FY end / age4-dan / age 21

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/27	1618	-8	1610	Naohiro Ishida5-dan / age 32 1603	Osho-sen Prelim 1 Final	Sente	●
2	5/17	1610	+2	1612	Kazuo Azuma8-dan / age 65 1264	Ryuo-sen Group 6 Promotion playoff Round 1	Sente	○
3	5/25	1612	+11	1622	Takahiro Oohashi6-dan / age 28 1741	Kisei-sen Prelim 1 Round 1	Gote	○
4	5/25	1612	+6	1618	Shingo Hirafuji7-dan / age 57 1533	Kisei-sen Prelim 1 Round 2	Gote	○
5	6/2	1629	+10	1639	Mirai Aoshima6-dan / age 26 1734	Shinjin-o-sen Main Round 3	Sente	○
6	6/8	1639	+3	1642	Masahiko Urano8-dan / age 57 1388	Ryuo-sen Group 6 Promotion playoff Round 2	Sente	○
7	6/18	1642	+6	1648	Seiya Tomita4-dan / age 25 1565	Oi-sen Prelims Round 1	Gote	○
8	6/25	1648	-7	1642	Takuya Nishida5-dan / age 29 1712	Kisei-sen Prelim 1 Round 3	Gote	●
9	6/28	1642	+3	1645	木下浩一age 53 1367	Ryuo-sen Group 6 Promotion playoff Round 3	Sente	○
10	7/10	1645	+3	1647	竹田健人アマ 1371	Asahi Cup Prelim 1 Round 1	Sente	○
11	7/12	1647	+8	1656	Tadashi Ooishi7-dan / age 31 1660	Oi-sen Prelims Round 2	Gote	○
12	8/4	1656	-8	1647	Kazushi Watanabe4-dan / age 26 1642	Ryuo-sen Group 6 Promotion playoff Round 4	Gote	●
13	8/12	1647	+11	1658	Wakamu Deguchi5-dan / age 26 1787	Shinjin-o-sen Main Quarterfinal	Gote	○
14	8/17	1658	-4	1654	Tatsuya Sugai8-dan / age 29 1836	Oi-sen Prelims Round 3	Sente	●
15	8/26	1654	+3	1657	Shinya Yamamoto6-dan / age 49 1408	Ginga-sen Prelims Round 1	Sente	○
16	8/26	1654	+4	1658	Takanori Anyouji7-dan / age 46 1477	Ginga-sen Prelims Final	Sente	○
17	8/31	1661	-7	1654	Takayuki Kuroda5-dan / age 24 1701	Asahi Cup Prelim 1 Round 2	Gote	●
18	9/8	1654	+10	1664	Hirotaka Kajiura7-dan / age 26 1733	Shinjin-o-sen Main Semifinal	Gote	○
19	9/23	1664	+4	1668	Tomohiro Murata7-dan / age 40 1466	Oza-sen Prelim 1 Round 1	Gote	○
20	10/4	1668	-7	1661	Takumi Ito4-dan / age 18 1712	Shinjin-o-sen Main Final Game 1	Gote	●
21	10/8	1661	+8	1669	Akihiro Ida4-dan / age 24 1641	Eio-sen 4-dan section Round 1	Gote	○
22	10/8	1661	+7	1668	Shogo Orita4-dan / age 31 1612	Eio-sen 4-dan section Round 2	Sente	○
23	10/11	1675	-7	1668	Takumi Ito4-dan / age 19 1719	Shinjin-o-sen Main Final Game 2	Sente	●
24	10/15	1668	-5	1663	Wakamu Deguchi5-dan / age 26 1805	Oza-sen Prelim 1 Round 2	Gote	●
25	11/3	1663	+6	1669	Ryosuke Nakamura6-dan / age 36 1552	Ginga-sen Block C Round 1	Gote	○
26	11/3	1663	-9	1655	Kazushi Watanabe4-dan / age 27 1637	Ginga-sen Block C Round 2	Sente	●
27	12/10	1660	+10	1671	Takuya Nishida5-dan / age 30 1767	Ryuo-sen Group 6 Ranking Round 2	Gote	○
28	12/14	1671	-6	1665	Shinichiro Hattori4-dan / age 22 1771	Eio-sen 4-dan section Round 3	Gote	●
29	1/7	1665	-10	1655	Akihiro Takada4-dan / age 19 1596	Ryuo-sen Group 6 Ranking Round 3	Gote	●
30	1/14	1655	+4	1659	Naoya Fujiwara7-dan / age 56 1436	Kio-sen Prelims Round 1	Sente	○
31	1/17	1659	+6	1665	Kanta Masegi3-dan / age 23 1572	Shinjin-o-sen Main Round 2	Sente	○
32	1/25	1665	+7	1672	Yuta Ishikawa4-dan / age 27 1638	Osho-sen Prelim 1 Round 1	Sente	○
33	2/18	1672	+7	1679	Akihiro Takada4-dan / age 19 1614	NHK Cup Prelims Round 1	Sente	○
34	2/18	1672	-7	1665	Ryuuma Tonari7-dan / age 32 1723	NHK Cup Prelims Round 2	Gote	●
35	3/4	1672	-6	1666	Takahiro Oohashi6-dan / age 29 1759	Osho-sen Prelim 1 Round 2	Sente	●
36	3/9	1666	-9	1657	Kensuke Kitahama8-dan / age 46 1624	Kio-sen Prelims Round 2	Gote	●

FY2020 results7W-5L

Win rate0.583

Rating1621

Annual rank84th

Rank/title at FY end / age4-dan / age 20

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	4/30	1605	-7	1598	Takashi Ikenaga4-dan / age 27 1660	Shinjin-o-sen Main Round 3	Gote	●
2	12/10	1598	+5	1603	Ryo Shimamoto5-dan / age 40 1458	Osho-sen Prelim 1 Round 1	Gote	○
3	12/19	1603	-10	1593	福間香奈 1518	Ryuo-sen Group 6 Ranking Round 2	Sente	●
4	12/25	1593	-5	1589	Takashi Ikenaga4-dan / age 27 1741	Eio-sen 4-dan section Round 2	Gote	●
5	1/15	1589	+5	1593	Naruyuki Hatakeyama8-dan / age 51 1431	Osho-sen Prelim 1 Round 2	Gote	○
6	1/20	1593	+8	1601	西山朋佳 1581	Shinjin-o-sen Main Round 2	Sente	○
7	1/25	1601	+4	1605	Shinya Yamamoto6-dan / age 49 1416	Kio-sen Prelims Round 1	Sente	○
8	2/3	1605	-7	1598	Koji Tanigawa9-dan / age 58 1659	Kio-sen Prelims Round 2	Gote	●
9	2/16	1598	+12	1610	Kouhei Funae6-dan / age 33 1770	NHK Cup Prelims	Sente	○
10	2/16	1598	-8	1590	Kazuhiro Nishikawa6-dan / age 34 1586	NHK Cup Prelims	Gote	●
11	3/1	1602	+7	1609	Keiichi Sanada8-dan / age 48 1554	Osho-sen Prelim 1 Round 3	Gote	○
12	3/30	1609	+12	1621	Yuuki Sasaki7-dan / age 26 1814	Osho-sen Prelim 1 Round 4	Gote	○

FY2019 results5W-2L

Win rate0.714

Rating1608

Annual rank90th

Rank/title at FY end / age3-dan / age 19

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Side	Result
1	6/15	1592	+3	1595	天野敬吾アマ 1362	Kakogawa Seiryu-sen Main Round 1	Sente	○
2	6/15	1592	-8	1584	Akihiro Ida3-dan / age 22 1590	Kakogawa Seiryu-sen Main Round 2	Sente	●
3	11/21	1587	+8	1595	Akihiro Ida3-dan / age 22 1590	Shinjin-o-sen Main Round 1	Gote	○
4	12/24	1595	+3	1599	古作登アマ 1369	Ryuo-sen Group 6 Ranking Round 1	Sente	○
5	1/15	1599	+4	1603	Kenji Kanzaki8-dan / age 56 1435	Ryuo-sen Group 6 Ranking Round 2	Sente	○
6	1/28	1603	-9	1595	Yoshitaka Hoshino4-dan / age 31 1576	Ryuo-sen Group 6 Ranking Round 3	Sente	●
7	2/26	1595	+13	1608	Daichi Sasaki5-dan / age 24 1860	Shinjin-o-sen Main Round 2	Sente	○

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.