Viktor Matviishen
TitleGrandmasterFederationUkraineBorn2002FIDE ID14129850
Classical2524▼ 16
Rapid2422
Blitz2461
Games1,052
W · D · LWon · Drawn · Lost46 / 32 / 22
Peak2566Nov 2024
Rating history
2400
2500
Peak2566
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2524Rapid2422Blitz2461no games played
Accuracy by phase
96.9%Opening94.0%Middlegame95.2%Endgame
Clutch factor
Insufficient dataPlay style
Elite accuracy: 94.3% average
High resilience (58%): Dangerous even when losing
Solid conversion: 85%
Very consistent (92%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 as 
(67% in 405 games)
(67% in 405 games)Vulnerable to 1.Nf3 (only 39%)
(only 39%)Recent games
Zierk, Steven(2489)
Chicago Fall GM 2026 · 4 Oct 2026
Bilovil, Bogdan(2429)
Chicago Fall GM 2026 · 4 Oct 2026
Zhao,Kevin(2201)
Chicago Fall GM 2026 · 3 Oct 2026
Padhya Saumil(2300)
Chicago Fall GM 2026 · 3 Oct 2026
Guo,Ethan(2375)
Chicago Fall GM 2026 · 2 Oct 2026
Play against Matviishen's Twin
Their real openings, level & style
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Based on 1,052 games
Openings
542 games as White · scores 65.6%Weaknesses
where they slip as ♔ WhiteKing's Indian: Classical1.d4 ♞f6 2.c4 g6 3.♞c3 ♝g7 4.e4 d6 5.♝e212 games, last played 4 months ago41.7%losses
Strengths
what holds up for them as ♔ WhiteQueen's Gambit Declined1.d4 d5 2.c4 e649 games, last played 3 months ago57.1%wins
Nimzo-Indian: Capablanca1.d4 ♞f6 2.c4 e6 3.♞c3 ♝b4 4.e3 O-O 5.♝d339 games, last played 3 months ago56.4%wins
By family
open a family to see its linesPROTime controls · Years · Events
1,052 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 65.6%
D30–E05783m
59%33%8
75.6%+10.1 ptsE20–E40773m
55%38%7
73.4%+7.8 ptsB20–B50583w
57%26%17
69.8%+4.2 ptsD10–D45424w
52%31%17
67.9%—E61–E70384m
61%1623%
68.4%—A40–D02364m
53%1136%
58.3%−7.3 ptsA45–E11327w
34%38%28%
53.1%−12.5 ptsD82–D90258m
40%36%24%
58.0%−7.6 ptsMistakes
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.
Endgame statistics
265 endgames (55%) · force Queen vs Two Rooks (0%)
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Repertoire
PROTime controls · Years · Events
1,052 games in scope
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Explore the repertoireevery move played, ranked by frequency
542 games50%W30%D20%L
542games in this linewon 50%, drew 30%, lost 20%
Move
1. d4
4054w52%29%19%
67%1. e4
1143w51%32%17
67%1. ♞f3
143w1450%36%
39%1. c4
94y1167%22%
44%