Sergey Koutsin
TitleInternational MasterFederationUkraineBorn1957FIDE ID14101483
Classical2481
Rapid2381
Blitz2381
Games556
W · D · LWon · Drawn · Lost40 / 40 / 20
Peak2481Jan 2001
Rating history
2360
2400
2440
2480
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2481Rapid2381Blitz2381no games played
Recent games
Yushko, Olga(2017)
1st 3-0 Thursday · 1 Oct 2026
Esquivel Golcher, Luis Enrique(2044)
1st 3-0 Thursday · 1 Oct 2026
Kraczek, Cezary(2272)
1st 3-0 Thursday · 1 Oct 2026
Marjanovic, Alex(2205)
1st 3-0 Thursday · 1 Oct 2026
Evans-Quek, Suan-Shiau(2280)
1st 3-0 Thursday · 1 Oct 2026
Play against Koutsin's Twin
Their real openings, level & style
Practice against a bot that uses their real openings and playing style
Based on 556 games
Openings
277 games as White · scores 65.3%Weaknesses
where they slip as ♔ WhiteNo significant weaknesses detected as white
Strengths
what holds up for them as ♔ WhiteKing's Indian: Main Line1.d4 ♞f6 2.c4 g6 3.♞c3 ♝g7 4.e4 d6 5.♞f3 O-O26 games, last played last month61.5%wins
King's Indian: Classical1.d4 ♞f6 2.c4 g6 3.♞c3 ♝g7 4.e4 d6 5.♞f3 O-O 6.♝e2 e521 games, last played last month61.9%wins
By family
open a family to see its linesPROTime controls · Years · Events
556 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 65.3%
A45–E11623y
42%48%10
66.1%—E61–E70413w
59%24%17
70.7%+5.4 ptsD31–D37383w
58%29%13
72.4%+7.0 ptsA40–A43383w
37%39%24%
56.6%−8.8 ptsD10–D11273y
41%44%15
63.0%—D85–D90153y
47%40%13
66.7%—E12–E15113y
45%55%0
72.7%—A80–A8196w
44%22%34%
55.6%—Mistakes
Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squaresError heatmap
Insufficient data
Critical blunders
Tactical errors analyzed with StockfishCouldn't load this.
Repertoire
PROTime controls · Years · Events
556 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Explore the repertoireevery move played, ranked by frequency
277 games46%W38%D16%L
277games in this linewon 46%, drew 38%, lost 16%
Move
1. d4
2693w48%37%15
66%1. ♞f3
7—086%14
43%1. c4
1—00100%
0%