B
GM
Bartel, Mateusz
POL·Born 1985·FIDE #1112635·4,424 Games
FIDE OTB · #1112635 · 4,424 Games
Classical25493,714 g Games
Rapid2510335 g Games
Blitz2495375 g Games
Play against Bartel's Twin
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4424 games analyzed
Statistics
Total
4424Wins
1960Draws
1464Losses
99844%33%23%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 93.5% average
Solid conversion: 85%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.b3 ♔ (77% in 13 games)
Vulnerable to 1.c4 ♚ (only 47%)
Deep Analysis
Stockfish 18 · Classical games · 782 analyzedAccuracy by phase
Opening
96.1%
Middlegame
93.3%
Endgame
94.6%
Clutch Factor
+4%Winning (+2)Winning (+2)
94%197g
EqualEqual position
95%216g
Losing (−2)Losing (−2)
90%87g
Accuracy under pressure
Problematic Pieces — which cause most errors?
24%
87 err
21%
77 err
16%
59 err
14%
52 err
13%
46 err
12%
45 err
Critical Moment
Move 42 avg5%
1-15
5%
16-25
29%
26-35
19%
36-45
43%
46+
43% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.
Error Heatmap — where do errors occur?
13
16
FewMany
Errors mapped
114
Hotspot zone
d4 / f5
Critical squares
d4
16 err
f5
13 err
d6
12 err
f4
12 err
e5
11 err
d4/f5 account for most of the errors. Force decisions in those zones.
Openings
4,424 GamesBased on 4,424 player gamesWeaknesses
— exploit these— exploit these linesaswhite41.7%Losses
1.g3 d5 2.Bg2 c6 — 1.g3 d5 2.Bg2 c6
12 Games · last played 10 years agoPlay this line
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite70.0%Wins
English: Four Knights — 1.c4 e5 2.Nc3 Nf610 Games · last played 4 years ago
10 Games · last played 4 years ago
aswhite66.7%Wins
French: Steinitz — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e515 Games · last played 4 months ago
15 Games · last played 4 months ago
asblack57.1%Wins
Reti: Double Fianchetto — 1.Nf3 Nf6 2.g3 b514 Games · last played 2 weeks ago
14 Games · last played 2 weeks ago
asblack54.8%Wins
Ruy Lopez: Marshall — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b531 Games
31 Games
Critical Blunders
10 errors · Stockfish#68c5??vs MadejskiOTB · 2026
#19Kg6??vs StarostaOTB · 2026
#67Bg7??vs MulawaOTB · 2026
#47Re8??vs MondrzyckiOTB · 2026
#36Nxe5??vs ChylewskiOTB · 2026
#52h5??vs BluebaumOTB · 2026
#73Kg6??vs Martinez AlcantaraOTB · 2025
#20Rxe6??vs BluebaumOTB · 2025
#22Nd3??vs NepomniachtchiOTB · 2025
#33Ne6??vs Aronyak GhoshOTB · 2025
Recent Games
4,424 GamesWin
Zhuang, Kyle(2305)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Win
Olhovik, Andrei(2275)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Draw
Mahdavi, Reza(2485)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Draw
Holinka, Henning(2359)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Win
Sevig, Mert Can(2137)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Loss
Vokhidov, Shamsiddin(2655)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Endgame Statistics
PRO561 endgames (54.4%)Unlock Endgame Statistics
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
2244 Games
50%31%19%
MoveGamesPerformance%
1.e4
149463%
1.d4
32870%
1.Nf3Strong
16771%
1.c4
11667%
1.g3Strong
6671%
1.f4
1869%
1.b3Strong
1377%
1.Nc3Strong
1271%
1.e3
1159%
1.a3Strong
779%
1.b4Strong
475%
1.h3Strong
488%
1.c3Strong
3100%
1.g4Weak
10%
POL