P
GM
Petrosian, Arshak B
ARM·Born 1953·FIDE #13300288·1,036 Games
Classical24751,025 Games
Rapid247211 Games
Blitz—0 Games
Play against Petrosian, Arshak B's Twin
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1036 games analyzed
Statistics
Total
1036Wins
299Draws
508Losses
22929%49%22%
Play Style
What you need to know before facing themElite accuracy: 92.7% average
Very consistent (86%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (63% in 24 games)
Vulnerable to 1.e4 ♔ (only 40%)
Deep Analysis
Stockfish 18 · Classical games · 36 analyzedAccuracy by phase
Opening
96.9%
Middlegame
93.4%
Endgame
94.6%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+6%Winning (+2 or more)
91%8g
Equal position
94%24g
Losing (-2 or more)
86%4g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
37%
17 errors
22%
10 errors
17%
8 errors
13%
6 errors
9%
4 errors
2%
1 errors
Critical Moment — When does the first serious error occur?
Move 32 average0%
33%
33%
33%
0%
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 16-25. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
6
FewMany
Errors mapped
26
Hotspot zone
c4 / b6
Critical squares
c4
6 err
b6
3 err
c6
3 err
a6
2 err
b3
2 err
c4/b6 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesWeaknesses
— exploit these linesNo significant weaknesses detected as White
No significant weaknesses detected as Black
Strengths
— avoid these linesWhite57.1%Wins
King's Indian: Classical — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be221 Games · last played 37 years ago
No consistent strengths detected as Black
Critical Blunders
6 errors · Stockfish#42Qc4??vs PlaskettOTB · 2019
#34c4b5??vs TalOTB
#21b6c4??vs TalOTB
#38Qc2??vs ReshevskyOTB
#46Qe5??vs SmyslovOTB
#22b6c6??vs TalOTB
Recent Games
1,036 GamesD
Bruno, Fabio(2433)
World Senior Teams +50 · 24 Apr 2019
D
Thorhallsson, T.(2425)
World Senior Teams +50 · 22 Apr 2019
D
Thorhallsson, Throstur(2425)
World Senior Teams +50 · 22 Apr 2019
W
Plaskett, H James(2437)
World Senior Teams +50 · 21 Apr 2019
D
Yermolinsky, Alex(2508)
World Senior Teams +50 · 19 Apr 2019
D
Gruenfeld, Yehuda(2428)
World Senior Teams +50 · 18 Apr 2019
Endgame Statistics
PRO9 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
9 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
535 Games
35%49%16%
MoveGamesPerformance%
1.d4
29261%
1.Nf3
20957%
1.c4
2463%
1.e4
1040%
ARM