C
GM

Chatalbashev, Boris

DEN DEN·Born 1974·FIDE #2900440·2,983 Games

Classical25072,940 Games
Rapid246924 Games
Blitz241019 Games

Play against Chatalbashev, Boris's Twin

PRO

Uses their openings, level & style

Statistics

Total

2983

Wins

1503

Draws

997

Losses

482
50%33%16%

Play Style

What you need to know before facing them
Elite accuracy: 93.5% average
High resilience (56%): Dangerous even when losing
Solid conversion: 88%
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (75% in 214 games)

Deep Analysis

Stockfish 18 · Classical games · 495 analyzed
Accuracy by phase
Opening
96.1%
Middlegame
93.7%
Endgame
95.5%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+5%
Winning (+2 or more)
94%255g
Equal position
95%159g
Losing (-2 or more)
89%75g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
26%
107 errors
19%
77 errors
17%
71 errors
15%
61 errors
13%
54 errors
11%
46 errors
Critical Moment — When does the first serious error occur?
Move 37 average
3%
19%
31%
28%
19%
1-15
16-25
26-35
36-45
46+
31% of blunders occur between move 26-35. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
12
14
12
Few
Many
Critical squares
e5
14 err
c5
12 err
e3
12 err
b4
11 err
g3
11 err
e5/c5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

Black100.0%Loses
English: Symmetrical — 1.c4 c5 2.Nf3 Nc6
9 Games · Low sample · last played 11 months agoPlay this line

Strengths

— avoid these lines
White69.8%Wins
Grünfeld — 1.d4 Nf6 2.c4 g6 3.Nc3 d563 Games · last played 5 months ago
White63.2%Wins
Reti: KIA — 1.Nf3 d5 2.g3 Nf619 Games · last played 3 months ago
Black60.0%Wins
Sicilian: Closed — 1.e4 c5 2.Nc3 Nc610 Games · last played 4 years ago
Black60.0%Wins
Nimzo-Indian — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb410 Games

Critical Blunders

10 errors · Stockfish
Qc6??vs XuOTB · 2025
Ne5??vs RasmussenOTB · 2025
a2??vs BallottiOTB · 2025
a2??vs BrozziOTB · 2025
Kf2??vs HanOTB · 2025
Kg2??vs NigmatovOTB · 2025
Re8??vs SowinskiOTB · 2025
Qd6+??vs Vantika AgrawalOTB · 2025
Qe5??vs PetrovskiyOTB · 2025
Qa7??vs KanovOTB · 2025

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Endgame Statistics

PRO23 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
1516 Games
57%30%13%
MoveGamesPerformance%
1.d4Strong
1141
72%
1.c4Strong
214
75%
1.Nf3
121
65%
1.g3Strong
28
71%
1.b3
12
50%

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