Players › Seiya Tomita

Seiya Tomita

Player No.	325
Rank	5-dan
Date of birth	Feb 13, 1996
Birthplace	Hyogo
Teacher	Kenji Kobayashi 9-dan

Junisen terms6

Career record38W-18L

Win rate0.679

Deviation score (FY2026)34.3

Best deviation score57.3
FY2021

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
85th term	Class C1	4	2W-4L		34.3
84th term	Class C1	9	7W-3L		54.8
83rd term	Class C1	28	7W-3L		51.5
82nd term	Class C2	12	9W-1L	Promoted	56.7
81st term	Class C2	21	7W-3L		49.4
80th term	Class C2	51	6W-4L		57.3

How the deviation score is calculated: see here.

Terms in each class

Class C1	3 terms
Class C2	3 terms

Promotion history

Mar 12, 2024	5-dan
Oct 1, 2020	4-dan
Apr 2013	3-dan

Career win milestones

100 wins	Jan 23, 2025 Osho-sen

Best wins (highest-rated opponents)

Oct 4, 2022	Takayuki Yamasaki 1815	Oi-sen
Nov 12, 2021	Wakamu Deguchi 1805	Kisei-sen
Aug 30, 2021	Wakamu Deguchi 1786	Ryuo-sen
Apr 6, 2021	Takahiro Oohashi 1780	Kio-sen
Dec 9, 2025	Tatsuya Sanmaido 1768	Junisen

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

Wakamu Deguchi	4W-4L	Head-to-head
Yuta Ishikawa	5W-3L	Head-to-head
Yusei Koga	2W-6L	Head-to-head
Kazuhiro Nishikawa	3W-4L	Head-to-head
Kouhei Funae	4W-3L	Head-to-head
Takuya Nishida	1W-6L	Head-to-head
Takayuki Kuroda	4W-2L	Head-to-head
Shinichiro Hattori	3W-3L	Head-to-head
Tomoki Yokoyama	6W-0L	Head-to-head
Mitsunori Makino	4W-1L	Head-to-head
Kenji Imaizumi	4W-1L	Head-to-head
Hirotoshi Ueno	1W-4L	Head-to-head

Head-to-head with other players →