GM
Chatalbashev, Boris
DEN·Born 1974·FIDE #2900440·2,983 Games
DEN Classical25202,940 Games
Rapid246924 Games
Blitz241019 Games
Statistics
2983
Total
1503
Wins
997
Draws
482
Losses
50%33%16%
Play Style
What you need to know before facing them
Elite accuracy: 93.5% average
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
Opening96.1%
Middlegame93.7%
Endgame95.5%
Clutch Factor
Performance under pressure
Winning (+2 or more)94%
255 Games
Equal position95%
159 Games
Losing (-2 or more)89%
75 Games
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 37average
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?
10
12
10
14
11
11
10
12
11
10
abcdefgh
Many
Few
Critical squares
e514 err
c512 err
e312 err
b411 err
g311 err
e5/c5 concentrate most errors. Force decisions in those zones.
Recent Games
L
Matthiesen, Martin2275
SonFlow Cup 2026 · 19 Apr 2026
W
Skytte, Rasmus2350
SonFlow Cup 2026 · 19 Apr 2026
D
Pajeken, Jakob Leon2452
SonFlow Cup 2026 · 18 Apr 2026
W
Kopylov, Daniel2434
SonFlow Cup 2026 · 18 Apr 2026
W
Kopylov, Michael2343
SonFlow Cup 2026 · 17 Apr 2026
W
Pilgaard, Kim2351
Danish Championship 2026 ... · 5 Apr 2026
Openings
Based on player games
Weaknesses
EXPLOIT!White
No significant weaknesses detected as White
Black
English: Symmetrical
100.0%9 GamesLow sample·Loses
1.c4 c5 2.Nf3 Nc6
Strengths
AVOIDWhite
Grünfeld
69.8%63 Games·Wins
1.d4 Nf6 2.c4 g6 3.Nc3 d5
Reti: KIA
63.2%19 Games·Wins
1.Nf3 d5 2.g3 Nf6
Black
Sicilian: Closed
60.0%10 Games·Wins
1.e4 c5 2.Nc3 Nc6
Nimzo-Indian
60.0%10 Games·Wins
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
Critical Blunders
Tactical errors analyzed with Stockfish
10 errors
▶
#40Qc6??
Tactics
vs Xu
OTB·2025
▶
#23Ne5??
Tactics
vs Rasmussen
OTB·2025
▶
#46a2??
Endgame
vs Ballotti
OTB·2025
▶
#59a2??
Endgame
vs Brozzi
OTB·2025
▶
#22Kf2??
Tactics
vs Han
OTB·2025
▶
#25Kg2??
Tactics
vs Nigmatov
OTB·2025
▶
#38Re8??
Tactics
vs Sowinski
OTB·2025
▶
#36Qd6+??
Tactics
vs Vantika Agrawal
OTB·2025
▶
#42Qe5??
Endgame
vs Petrovskiy
OTB·2025
▶
#31R7f6??
Tactics
vs Bank
OTB·2025
Endgame Statistics
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2026
2025
2024
2023
2022
2021
PRO
8
76
5
4
3
2
1a
b
c
d
efgh1516 Games
57%30%13%
1.d4
72%1141
1.c4
75%214
1.Nf3
65%121
1.g3
71%28
1.b3
50%12