Rating › Shirou Itaya

Rating of Shirou Itaya

Player page　Last game 1958-08-25

Current rating1553

Peak1661
1950-08-24

Games126

By fiscal year

FY	Age	Annual rank	Rank	Junisen	Rating	Change	W	L	Win rate
FY1958	age 45	－	8-dan	Class B2	1553	-33	4	8	0.333
FY1957	age 44	－	8-dan	Class B2	1586	-32	5	8	0.385
FY1956	age 43	－	8-dan	Class B1	1618	+20	5	8	0.385
FY1955	age 42	－	8-dan	Class B1	1598	-23	7	4	0.636
FY1954	age 41	－	8-dan	Class B1	1621	+19	6	7	0.462
FY1953	age 40	－	8-dan	Class B1	1602	-25	6	6	0.500
FY1952	age 39	－	8-dan	Class A	1627	+9	2	6	0.250
FY1951	age 38	－	8-dan	Class A	1618	-24	4	4	0.500
FY1950	age 37	－	8-dan	Class A	1642	+28	3	6	0.333
FY1949	age 36	－	7-dan	Class B	1614	-19	6	2	0.750
FY1948	age 35	－	7-dan	Class B	1633	+35	3	4	0.429
FY1947	age 34	－	5-dan	Class C	1598	-8	8	4	0.667

Games by fiscal year

FY1958 results4W-8L

Win rate0.333

Rating1553

Rank/title at FY end / age8-dan / age 45

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	13th term	1560	-7	1553	Seiichi Kobori8-dan / age 46 1596	Junisen Class B2	●
2	13th term	1560	-8	1552	Mitsuyuki Aramaki8-dan / age 43 1552	Junisen Class B2	●
3	13th term	1560	-6	1554	山田道美age 24 1661	Junisen Class B2	●
4	13th term	1560	-6	1554	Shigeru Sekine6-dan / age 28 1636	Junisen Class B2	●
5	13th term	1560	+7	1568	Kiyoshi Hagiwara8-dan / age 53 1534	Junisen Class B2	○
6	13th term	1560	+8	1568	Ichiro Kaji8-dan / age 46 1549	Junisen Class B2	○
7	13th term	1560	+9	1569	金高清吉age 39 1612	Junisen Class B2	○
8	13th term	1560	+8	1568	Shigekazu Minamiguchi8-dan / age 39 1549	Junisen Class B2	○
9	13th term	1560	-9	1551	京須行男age 44 1514	Junisen Class B2	●
10	13th term	1560	-5	1555	Michio Ariyoshi6-dan / age 23 1688	Junisen Class B2	●
11	13th term	1560	-6	1554	Noboru Ootomo5-dan / age 27 1642	Junisen Class B2	●
12	13th term	1560	-7	1553	Mikio Tomizawaage 38 1585	Junisen Class B2	●

FY1957 results5W-8L

Win rate0.385

Rating1586

Rank/title at FY end / age8-dan / age 44

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	12th term	1592	+6	1599	Hidejiro Kitamuraage 49 1521	Junisen Class B2	○
2	12th term	1592	+10	1602	Masao Kitamura6-dan / age 22 1663	Junisen Class B2	○
3	12th term	1592	+7	1600	建部和歌夫age 48 1560	Junisen Class B2	○
4	12th term	1592	+6	1599	Mitsuyuki Aramaki8-dan / age 42 1512	Junisen Class B2	○
5	12th term	1592	+8	1600	Seiichi Kobori8-dan / age 45 1575	Junisen Class B2	○
6	12th term	1592	-6	1586	山田道美age 23 1669	Junisen Class B2	●
7	12th term	1592	-8	1585	金高清吉age 38 1599	Junisen Class B2	●
8	12th term	1592	-8	1584	Tsugihiko Yamakawa7-dan / age 37 1582	Junisen Class B2	●
9	12th term	1592	-10	1583	京須行男age 43 1525	Junisen Class B2	●
10	12th term	1592	-9	1584	Yukio Shimodairaage 32 1565	Junisen Class B2	●
11	12th term	1592	-9	1583	Shigekazu Minamiguchi8-dan / age 38 1552	Junisen Class B2	●
12	12th term	1592	-6	1586	Shigeru Sekine6-dan / age 27 1679	Junisen Class B2	●
13	12th term	1592	-6	1586	Shimei Okazakiage 50 1671	Junisen Class B2	●

FY1956 results5W-8L

Win rate0.385

Rating1618

Rank/title at FY end / age8-dan / age 43

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	11th term	1626	-8	1618	Genichi Oono8-dan / age 45 1633	Junisen Class B1	●
2	11th term	1626	-8	1618	Tsutomu Matsushita8-dan / age 43 1615	Junisen Class B1	●
3	11th term	1626	-7	1619	Souetsu Honmaage 36 1669	Junisen Class B1	●
4	11th term	1626	-8	1618	Seiichi Kobori8-dan / age 44 1624	Junisen Class B1	●
5	11th term	1626	+8	1634	松浦卓造age 41 1607	Junisen Class B1	○
6	11th term	1626	+6	1632	Mitsuyuki Aramaki8-dan / age 41 1555	Junisen Class B1	○
7	11th term	1626	+7	1633	Shizuo Seino6-dan / age 34 1588	Junisen Class B1	○
8	11th term	1626	+9	1635	Hiroji Katou7-dan / age 32 1659	Junisen Class B1	○
9	11th term	1626	+7	1633	Hisao Hirotsu7-dan / age 33 1583	Junisen Class B1	○
10	11th term	1626	-7	1619	Yuzo Maruta8-dan / age 37 1655	Junisen Class B1	●
11	11th term	1626	-9	1617	Toshio Takayanagi8-dan / age 36 1575	Junisen Class B1	●
12	11th term	1626	-8	1618	Michihito Kumagaiage 25 1617	Junisen Class B1	●
13	11th term	1626	-8	1618	Ichiro Kaji8-dan / age 44 1630	Junisen Class B1	●

FY1955 results7W-4L

Win rate0.636

Rating1598

Rank/title at FY end / age8-dan / age 42

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	10th term	1604	-5	1599	Tatsuya Futakami7-dan / age 23 1737	Junisen Class B1	●
2	10th term	1604	-8	1596	Toshio Takayanagi8-dan / age 35 1622	Junisen Class B1	●
3	10th term	1604	+8	1612	Mitsuyuki Aramaki8-dan / age 40 1594	Junisen Class B1	○
4	10th term	1604	+8	1612	Hisao Hirotsu7-dan / age 32 1588	Junisen Class B1	○
5	10th term	1604	+8	1612	京須行男age 41 1597	Junisen Class B1	○
6	10th term	1604	+8	1612	Seiichi Kobori8-dan / age 43 1602	Junisen Class B1	○
7	10th term	1604	+8	1612	Nobuhiko Sakaguchiage 46 1624	Junisen Class B1	○
8	10th term	1604	+9	1613	Shizuo Seino6-dan / age 33 1639	Junisen Class B1	○
9	10th term	1604	+10	1614	Yuzo Maruta8-dan / age 36 1688	Junisen Class B1	○
10	10th term	1604	-8	1596	Souetsu Honmaage 35 1620	Junisen Class B1	●
11	10th term	1604	-6	1598	Michihito Kumagaiage 24 1679	Junisen Class B1	●

FY1954 results6W-7L

Win rate0.462

Rating1621

Rank/title at FY end / age8-dan / age 41

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	9th term	1630	-8	1622	Seiichi Kobori8-dan / age 42 1627	Junisen Class B1	●
2	9th term	1630	-8	1622	Toshio Takayanagi8-dan / age 34 1633	Junisen Class B1	●
3	9th term	1630	-8	1622	Mitsuyuki Aramaki8-dan / age 39 1615	Junisen Class B1	●
4	9th term	1630	+8	1638	Shigekazu Minamiguchi8-dan / age 35 1643	Junisen Class B1	○
5	9th term	1630	+9	1638	Souetsu Honmaage 34 1653	Junisen Class B1	○
6	9th term	1630	+8	1638	Nobuhiko Sakaguchiage 45 1635	Junisen Class B1	○
7	9th term	1630	+9	1638	Shizuo Seino6-dan / age 32 1658	Junisen Class B1	○
8	9th term	1630	+11	1641	Tatsuya Futakami6-dan / age 22 1753	Junisen Class B1	○
9	9th term	1630	+8	1638	Kiyoshi Hagiwara8-dan / age 49 1620	Junisen Class B1	○
10	9th term	1630	-8	1622	Toyoichi Igarashi8-dan / age 29 1639	Junisen Class B1	●
11	9th term	1630	-9	1621	Tsutomu Matsushita8-dan / age 41 1601	Junisen Class B1	●
12	9th term	1630	-8	1622	京須行男age 40 1619	Junisen Class B1	●
13	9th term	1630	-9	1621	村上真一age 57 1599	Junisen Class B1	●

FY1953 results6W-6L

Win rate0.500

Rating1602

Rank/title at FY end / age8-dan / age 40

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	8th term	1608	+8	1616	Nobuhiko Sakaguchiage 44 1593	Junisen Class B1	○
2	8th term	1608	+8	1617	Ichiro Kaji8-dan / age 41 1626	Junisen Class B1	○
3	8th term	1608	+8	1616	Tsutomu Matsushita8-dan / age 40 1590	Junisen Class B1	○
4	8th term	1608	+9	1618	Shizuo Seino6-dan / age 31 1671	Junisen Class B1	○
5	8th term	1608	+8	1616	Kiyoshi Hagiwara8-dan / age 48 1607	Junisen Class B1	○
6	8th term	1608	+8	1616	Hisao Hirotsu7-dan / age 30 1601	Junisen Class B1	○
7	8th term	1608	-8	1601	Kazukiyo Takashima8-dan / age 37 1613	Junisen Class B1	●
8	8th term	1608	-8	1601	松浦卓造age 38 1622	Junisen Class B1	●
9	8th term	1608	-8	1601	Toyoichi Igarashi8-dan / age 28 1622	Junisen Class B1	●
10	8th term	1608	-8	1601	京須行男age 39 1616	Junisen Class B1	●
11	8th term	1608	-9	1599	Mitsuyuki Aramaki8-dan / age 38 1565	Junisen Class B1	●
12	8th term	1608	-7	1602	Souetsu Honmaage 33 1664	Junisen Class B1	●

FY1952 results2W-6L

Win rate0.250

Rating1627

Rank/title at FY end / age8-dan / age 39

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	7th term	1634	-5	1629	Kozo MasudaOsho / age 34 1755	Junisen Class A	●
2	7th term	1634	-6	1628	Yuzo Maruta8-dan / age 33 1701	Junisen Class A	●
3	7th term	1634	-8	1627	Masao Tsukada8-dan / age 38 1646	Junisen Class A	●
4	7th term	1634	+10	1645	Motoji Hanamura5-dan / age 34 1727	Junisen Class A	○
5	7th term	1634	+8	1642	Tsutomu Matsushitaage 39 1631	Junisen Class A	○
6	7th term	1634	-8	1627	Yasuo Harada8-dan / age 29 1643	Junisen Class A	●
7	7th term	1634	-9	1626	Shigeyuki Matsuda8-dan / age 31 1612	Junisen Class A	●
8	7th term	1634	-7	1627	Seiichi Kobori7-dan / age 40 1665	Junisen Class A	●

FY1951 results4W-4L

Win rate0.500

Rating1618

Rank/title at FY end / age8-dan / age 38

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	6th term	1626	-5	1621	Yasuharu Ooyama8-dan / age 28 1752	Junisen Class A	●
2	6th term	1626	-7	1620	Yuzo Maruta8-dan / age 32 1690	Junisen Class A	●
3	6th term	1626	-8	1618	Masao Tsukada8-dan / age 37 1620	Junisen Class A	●
4	6th term	1626	+10	1637	Kozo Masuda8-dan / age 33 1737	Junisen Class A	○
5	6th term	1626	+8	1635	Nobuhiko Sakaguchiage 42 1636	Junisen Class A	○
6	6th term	1626	+8	1635	Yasuo Harada8-dan / age 28 1637	Junisen Class A	○
7	6th term	1626	+7	1633	Mitsuyuki Aramaki7-dan / age 36 1572	Junisen Class A	○
8	6th term	1626	-8	1618	Shigeyuki Matsudaage 30 1618	Junisen Class A	●

FY1950 results3W-6L

Win rate0.333

Rating1642

Rank/title at FY end / age8-dan / age 37

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	5th term	1651	-7	1644	Kozo Masuda8-dan / age 32 1693	Junisen Class A	●
2	5th term	1651	-8	1643	Yuzo Maruta8-dan / age 31 1672	Junisen Class A	●
3	5th term	1651	-9	1642	Masao Tsukada8-dan / age 36 1612	Junisen Class A	●
4	5th term	1651	-8	1643	Toyoichi Igarashi8-dan / age 25 1662	Junisen Class A	●
5	5th term	1651	-8	1643	Toshio Takayanagi7-dan / age 30 1639	Junisen Class A	●
6	5th term	1651	+10	1661	Yasuharu Ooyama8-dan / age 27 1724	Junisen Class A	○
7	5th term	1651	+8	1659	Kazukiyo Takashima8-dan / age 34 1634	Junisen Class A	○
8	5th term	1651	+7	1658	Genichi Oono8-dan / age 38 1590	Junisen Class A	○
9	5th term	1651	-9	1642	Shigekazu Minamiguchi7-dan / age 31 1614	Junisen Class A	●

FY1949 results6W-2L

Win rate0.750

Rating1614

Rank/title at FY end / age7-dan / age 36

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4th term	1624	+6	1631	村上真一age 52 1547	Junisen Class B	○
2	4th term	1624	+8	1633	Sutekichi Nakai7-dan / age 57 1635	Junisen Class B	○
3	4th term	1624	+9	1633	松浦卓造age 34 1659	Junisen Class B	○
4	4th term	1624	+7	1631	Kiyoshi Hagiwara8-dan / age 44 1562	Junisen Class B	○
5	4th term	1624	+8	1632	Seiichi Kobori7-dan / age 37 1603	Junisen Class B	○
6	4th term	1624	+8	1633	京須行男age 35 1637	Junisen Class B	○
7	4th term	1624	-9	1615	Shigekazu Minamiguchi5-dan / age 31 1575	Junisen Class B	●
8	4th term	1624	-10	1614	斎藤銀次郎age 44 1515	Junisen Class B	●

FY1948 results3W-4L

Win rate0.429

Rating1633

Rank/title at FY end / age7-dan / age 35

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	3rd term	1626	-8	1618	Yasuo Harada6-dan / age 25 1642	Junisen Class B	●
2	3rd term	1626	-9	1616	Toshio Takayanagi6-dan / age 28 1562	Junisen Class B	●
3	3rd term	1626	-8	1618	Toyoichi Igarashi4-dan / age 23 1642	Junisen Class B	●
4	3rd term	1626	-9	1617	Kazukiyo Takashimaage 32 1594	Junisen Class B	●
5	3rd term	1626	+8	1633	Tsutomu Matsushitaage 35 1610	Junisen Class B	○
6	3rd term	1626	+8	1634	京須行男age 34 1642	Junisen Class B	○
7	3rd term	1626	+7	1633	小泉雅信age 48 1586	Junisen Class B	○

FY1947 results8W-4L

Win rate0.667

Rating1598

Rank/title at FY end / age5-dan / age 34

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	2nd term	1606	-8	1598	Kazumasa Yamanakaage 32 1606	Junisen Class C	●
2	2nd term	1606	-8	1598	Yuji Saseage 28 1606	Junisen Class C	●
3	2nd term	1606	+8	1614	松浦卓造age 32 1606	Junisen Class C	○
4	2nd term	1606	+8	1614	Souetsu Honmaage 27 1606	Junisen Class C	○
5	2nd term	1606	+8	1614	Hidejiro Kitamuraage 39 1606	Junisen Class C	○
6	2nd term	1606	+8	1614	Shimei Okazakiage 40 1606	Junisen Class C	○
7	2nd term	1606	+8	1614	Hisao Hirotsuage 24 1606	Junisen Class C	○
8	2nd term	1606	+8	1614	Hirokichi Hiranoage 31 1606	Junisen Class C	○
9	2nd term	1606	+8	1614	Sutekichi Nakaiage 54 1606	Junisen Class C	○
10	2nd term	1606	+8	1614	野村慶虎age 47 1606	Junisen Class C	○
11	2nd term	1606	-8	1598	Renshou Nadaage 20 1606	Junisen Class C	●
12	2nd term	1606	-8	1598	畝美与吉age 46 1606	Junisen Class C	●

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.