Rating › Keizou Katou

Rating of Keizou Katou

Player page　Last game 1956-09-08

Current rating1580

Peak1626
1955-09-14

Games92

By fiscal year

FY	Age	Annual rank	Rank	Junisen	Rating	Change	W	L	Win rate
FY1956	age 47	－	6-dan	Class C1	1580	-28	4	8	0.333
FY1955	age 47	－	6-dan	Class C1	1608	+28	5	7	0.417
FY1953	age 45	－	6-dan	Class C1	1580	+23	8	4	0.667
FY1952	age 44	－	6-dan	Class C1	1557	-30	7	5	0.583
FY1951	age 43	－	6-dan	Class B2	1586	+19	4	8	0.333
FY1950	age 42	－	6-dan	Class C (Ko)	1567	+4	7	5	0.583
FY1949	age 41	－	6-dan	Class C (Ko)	1563	-50	4	4	0.500
FY1947	age 39	－		Class C	1614	+8	4	8	0.333

Games by fiscal year

FY1956 results4W-8L

Win rate0.333

Rating1580

Rank/title at FY end / age6-dan / age 47

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	11th term	1588	+6	1594	間宮純一age 48 1486	Junisen Class C2 (East)	○
2	11th term	1588	+9	1597	Yukio Miyasaka4-dan / age 26 1632	Junisen Class C2 (East)	○
3	11th term	1588	+9	1597	Shouhei Satouage 23 1615	Junisen Class C2 (East)	○
4	11th term	1588	+6	1594	間宮純一age 48 1486	Junisen Class C2 (East)	○
5	11th term	1588	-10	1579	橋爪敏太郎age 47 1522	Junisen Class C2 (East)	●
6	11th term	1588	-7	1581	Yukio Miyasaka4-dan / age 26 1632	Junisen Class C2 (East)	●
7	11th term	1588	-10	1578	Hirokichi Hirano5-dan / age 41 1478	Junisen Class C2 (East)	●
8	11th term	1588	-8	1580	Hisao Hasebe4-dan / age 23 1587	Junisen Class C2 (East)	●
9	11th term	1588	-8	1580	Hisao Hasebe4-dan / age 23 1587	Junisen Class C2 (East)	●
10	11th term	1588	-8	1580	Hirofumi Serizawaage 19 1587	Junisen Class C2 (East)	●
11	11th term	1588	-8	1580	Kiyosaku Sekiya4-dan / age 22 1587	Junisen Class C2 (East)	●
12	11th term	1588	-8	1580	Kazuhisa Oomura1-dan / age 28 1587	Junisen Class C2 (East)	●

FY1955 results5W-7L

Win rate0.417

Rating1608

Rank/title at FY end / age6-dan / age 47

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	10th term	1617	-9	1607	大和久彪age 41 1559	Junisen Class C1	●
2	10th term	1617	-8	1609	Kazumasa Yamanakaage 40 1612	Junisen Class C1	●
3	10th term	1617	-8	1609	Kiichi Kigawa5-dan / age 35 1613	Junisen Class C1	●
4	10th term	1617	-8	1609	Masao Kitamura5-dan / age 20 1616	Junisen Class C1	●
5	10th term	1617	+9	1626	Mitsuo Kakutaage 45 1672	Junisen Class C1	○
6	10th term	1617	+8	1625	Keizou Hoshidaage 38 1620	Junisen Class C1	○
7	10th term	1617	+6	1623	藤川義夫age 46 1549	Junisen Class C1	○
8	10th term	1617	+9	1626	Hifumi Katoh5-dan / age 15 1669	Junisen Class C1	○
9	10th term	1617	+7	1624	Keizo Futamiage 23 1572	Junisen Class C1	○
10	10th term	1617	-9	1608	橋爪敏太郎age 46 1580	Junisen Class C1	●
11	10th term	1617	-8	1609	Shimei Okazakiage 48 1634	Junisen Class C1	●
12	10th term	1617	-9	1608	Tsuneyoshi Tsumuraage 32 1590	Junisen Class C1	●

FY1953 results8W-4L

Win rate0.667

Rating1580

Rank/title at FY end / age6-dan / age 45

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	8th term	1587	-9	1578	Tsugihiko Yamakawa7-dan / age 33 1540	Junisen Class C1	●
2	8th term	1587	-7	1579	Shimei Okazakiage 46 1612	Junisen Class C1	●
3	8th term	1587	+8	1595	藤川義夫age 44 1581	Junisen Class C1	○
4	8th term	1587	+8	1595	橋爪敏太郎age 44 1580	Junisen Class C1	○
5	8th term	1587	+8	1594	Yukio Shimodairaage 28 1574	Junisen Class C1	○
6	8th term	1587	+6	1593	Ichiro Ichikawa6-dan / age 50 1509	Junisen Class C1	○
7	8th term	1587	+8	1595	Shizuo Kanda6-dan / age 23 1578	Junisen Class C1	○
8	8th term	1587	+6	1593	間宮純一age 44 1516	Junisen Class C1	○
9	8th term	1587	+9	1596	Mitsuo Kakutaage 43 1643	Junisen Class C1	○
10	8th term	1587	+9	1596	Sanji Hashimotoage 27 1625	Junisen Class C1	○
11	8th term	1587	-8	1579	Kazumasa Yamanakaage 38 1602	Junisen Class C1	●
12	8th term	1587	-7	1580	Kiichi Kigawaage 33 1627	Junisen Class C1	●

FY1952 results7W-5L

Win rate0.583

Rating1557

Rank/title at FY end / age6-dan / age 44

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	7th term	1563	-7	1556	Shizuo Kanda6-dan / age 22 1628	Junisen Class C1	●
2	7th term	1563	-7	1556	橋爪敏太郎age 43 1599	Junisen Class C1	●
3	7th term	1563	-8	1555	間宮純一age 43 1566	Junisen Class C1	●
4	7th term	1563	-8	1555	Keizou Hoshidaage 35 1581	Junisen Class C1	●
5	7th term	1563	+9	1572	藤川義夫age 43 1600	Junisen Class C1	○
6	7th term	1563	+9	1572	Kazumasa Yamanakaage 37 1608	Junisen Class C1	○
7	7th term	1563	+9	1572	Yukio Shimodairaage 27 1591	Junisen Class C1	○
8	7th term	1563	+9	1572	Shimei Okazakiage 45 1598	Junisen Class C1	○
9	7th term	1563	+7	1570	Ichiro Ichikawa6-dan / age 49 1533	Junisen Class C1	○
10	7th term	1563	+8	1571	Mutsuhiko Yoshida6-dan / age 42 1547	Junisen Class C1	○
11	7th term	1563	+10	1573	Michihito Kumagaiage 21 1649	Junisen Class C1	○
12	7th term	1563	-6	1557	Tatsuya Futakami4-dan / age 20 1634	Junisen Class C1	●

FY1951 results4W-8L

Win rate0.333

Rating1586

Rank/title at FY end / age6-dan / age 43

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	6th term	1594	-8	1586	Sutekichi Nakai7-dan / age 58 1612	Junisen Class B2	●
2	6th term	1594	+9	1603	Shimei Okazakiage 44 1621	Junisen Class B2	○
3	6th term	1594	+8	1602	橋爪敏太郎age 42 1597	Junisen Class B2	○
4	6th term	1594	+7	1601	Mutsuhiko Yoshidaage 41 1571	Junisen Class B2	○
5	6th term	1594	+8	1602	藤内金吾age 58 1576	Junisen Class B2	○
6	6th term	1594	-8	1585	藤川義夫age 42 1574	Junisen Class B2	●
7	6th term	1594	-7	1587	Shizuo Seino6-dan / age 29 1653	Junisen Class B2	●
8	6th term	1594	-9	1585	間宮純一age 42 1552	Junisen Class B2	●
9	6th term	1594	-9	1585	Ichiro Ichikawa6-dan / age 48 1549	Junisen Class B2	●
10	6th term	1594	-8	1586	Yukio Shimodairaage 26 1585	Junisen Class B2	●
11	6th term	1594	-8	1585	Keizou Hoshidaage 34 1572	Junisen Class B2	●
12	6th term	1594	-8	1586	Keizo Futamiage 19 1602	Junisen Class B2	●

FY1950 results7W-5L

Win rate0.583

Rating1567

Rank/title at FY end / age6-dan / age 42

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	5th term	1574	-7	1567	Kazumasa Yamanakaage 35 1619	Junisen Class C (Ko)	●
2	5th term	1574	-7	1567	Keizou Hoshidaage 33 1612	Junisen Class C (Ko)	●
3	5th term	1574	-7	1567	Shimei Okazakiage 43 1612	Junisen Class C (Ko)	●
4	5th term	1574	-9	1566	藤川義夫age 41 1544	Junisen Class C (Ko)	●
5	5th term	1574	+8	1582	野村慶虎age 50 1557	Junisen Class C (Ko)	○
6	5th term	1574	+8	1582	藤内金吾age 57 1570	Junisen Class C (Ko)	○
7	5th term	1574	+9	1583	Souetsu Honmaage 30 1601	Junisen Class C (Ko)	○
8	5th term	1574	+8	1582	間宮純一age 41 1555	Junisen Class C (Ko)	○
9	5th term	1574	+7	1582	Hisao Hirotsu6-dan / age 27 1544	Junisen Class C (Ko)	○
10	5th term	1574	+8	1582	Ichiro Ichikawa6-dan / age 47 1570	Junisen Class C (Ko)	○
11	5th term	1574	+10	1584	Shizuo Seinoage 28 1655	Junisen Class C (Ko)	○
12	5th term	1574	-7	1567	Yukio Shimodairaage 25 1616	Junisen Class C (Ko)	●

FY1949 results4W-4L

Win rate0.500

Rating1563

Rank/title at FY end / age6-dan / age 41

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	4th term	1571	-7	1564	Motoji Hanamura5-dan / age 31 1619	Junisen Class C (Ko)	●
2	4th term	1571	-8	1563	橋爪敏太郎age 40 1571	Junisen Class C (Ko)	●
3	4th term	1571	+8	1579	Mikio Tomizawaage 29 1588	Junisen Class C (Ko)	○
4	4th term	1571	+9	1579	Yukio Shimodairaage 24 1603	Junisen Class C (Ko)	○
5	4th term	1571	+7	1578	Hisao Hirotsu6-dan / age 26 1532	Junisen Class C (Ko)	○
6	4th term	1571	+9	1580	Ichiro Ichikawa6-dan / age 46 1605	Junisen Class C (Ko)	○
7	4th term	1571	-7	1563	飯塚勘一郎age 54 1603	Junisen Class C (Ko)	●
8	4th term	1571	-8	1563	間宮純一age 41 1587	Junisen Class C (Ko)	●

FY1947 results4W-8L

Win rate0.333

Rating1614

Rank/title at FY end / ageage 39

No	Date	Before	Change	After	Opponent (before game)	Tournaments	Result
1	2nd term	1606	-8	1598	Tsugihiko Yamakawaage 27 1606	Junisen Class C	●
2	2nd term	1606	-8	1598	Mitsuyuki Aramaki6-dan / age 32 1606	Junisen Class C	●
3	2nd term	1606	-8	1598	金高清吉age 28 1606	Junisen Class C	●
4	2nd term	1606	-8	1598	Mikio Tomizawaage 27 1606	Junisen Class C	●
5	2nd term	1606	-8	1598	橋爪敏太郎age 38 1606	Junisen Class C	●
6	2nd term	1606	-8	1598	Yasuo Haradaage 24 1606	Junisen Class C	●
7	2nd term	1606	-8	1598	Ichiro Ichikawaage 44 1606	Junisen Class C	●
8	2nd term	1606	-8	1598	Motoyoshi Okunoage 41 1606	Junisen Class C	●
9	2nd term	1606	+8	1614	Hiroji Katou4-dan / age 23 1606	Junisen Class C	○
10	2nd term	1606	+8	1614	Takeo Yamamoto5-dan / age 30 1606	Junisen Class C	○
11	2nd term	1606	+8	1614	間宮純一age 38 1606	Junisen Class C	○
12	2nd term	1606	+8	1614	Harukichi Shizawa5-dan / age 48 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.