Players › Yaichio Oono

Yaichio Oono

Player No.	155
Rank	7-dan
Date of birth	Mar 7, 1959
Birthplace	Tokyo
Teacher	Kinji Shiihashi 6-dan (deceased)

Junisen terms21

Career record99W-111L

Win rate0.471

Deviation score (FY2011)37.5

Best deviation score57.5
FY1983

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
62nd term	Class C2	40	3W-7L	Relegated	31.4
61st term	Class C2	20	1W-9L	Demerit
60th term	Class C2	23	5W-5L		40.6
59th term	Class C2	22	5W-5L		37.9
58th term	Class C2	39	6W-4L	△	40.7
57th term	Class C2	28	2W-8L	Demerit	39.8
56th term	Class C2	17	4W-6L		43.6
55th term	Class C2	34	6W-4L		44.8
54th term	Class C2	22	4W-6L		38.6
53rd term	Class C2	17	5W-5L		40.1
52nd term	Class C2	10	6W-4L		49.0
51st term	Class C2	26	7W-3L		50.3
50th term	Class C2	31	5W-5L		51.4
49th term	Class C2	18	4W-6L		52.7
48th term	Class C2	24	6W-4L		54.4
47th term	Class C2	9	5W-5L		46.4
46th term	Class C2	18	7W-3L		50.2
45th term	Class C2	32	6W-4L		50.1
44th term	Class C2	14	3W-7L		48.7
43rd term	Class C2	33	6W-4L		47.7
42nd term	Class C2	38	3W-7L		57.5

How the deviation score is calculated: see here.

Terms in each class

Class C2	21 terms

Promotion history

Apr 1, 2009	7-dan
Nov 16, 1993	6-dan
Sep 16, 1987	5-dan
Jun 7, 1982	4-dan
1977	1-dan

Career win milestones

100 wins	Sep 8, 1987 Junisen
200 wins	Dec 8, 1992 Junisen
300 wins	Jan 16, 2001 Junisen

Best wins (highest-rated opponents)

Nov 5, 1983	Kunio Yonenaga 1896	Hayazashi-sen
Sep 21, 1984	Makoto Nakahara 1888	All-Japan Pro
Mar 2, 1999	Hisashi Namekata 1883	Kio-sen
Aug 17, 1983	Koji Tanigawa 1857	Osho-sen
Jan 14, 1986	Yasuaki Tsukada 1824	Meisho-sen

Career wins and ratings are counted from the games recorded on this site (official games from FY1964, and Junisen games before that) and may differ from official records.

Frequent opponents

Saburou Takeichi	7W-10L	Head-to-head
Ichiro Hiura	3W-12L	Head-to-head
Tsuneo Kikuchi	9W-5L	Head-to-head
Yoshiyuki Ueyama	6W-7L	Head-to-head
Hiroki Nakata	5W-8L	Head-to-head
Toshio Miyata	5W-6L	Head-to-head
Kenji Iino	7W-4L	Head-to-head
Haruo Numa	5W-6L	Head-to-head
Masaki Izumi	5W-6L	Head-to-head
Koji Horiguchi	4W-7L	Head-to-head
Taku Morishita	2W-9L	Head-to-head
小林宏	8W-3L	Head-to-head

Head-to-head with other players →