Peter Acs
TitleGrandmasterFederationHungaryBorn1981FIDE ID708020
Classical2554
Rapid2468
Blitz2515
Games1,573
W · D · LWon · Drawn · Lost41 / 36 / 23
Peak2623Jan 2003
Rating history
2440
2480
2520
2560
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2554Rapid2468Blitz2515no games played
Accuracy by phase
96.6%Opening93.3%Middlegame95.1%Endgame
Clutch factor
Insufficient dataPlay style
Elite accuracy: 93.5% average
High resilience (56%): Dangerous even when losing
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as 
(63% in 751 games)
(63% in 751 games)Vulnerable to 1.d4 (only 44%)
(only 44%)Recent games
Godena, Michele(2462)
Spilimbergo GM 2026 · 15 Oct 2026
Favaloro, Andrea(2421)
Spilimbergo GM 2026 · 14 Oct 2026
Bogdanov, Artyom(2455)
Spilimbergo GM 2026 · 13 Oct 2026
Balint, Peter(2437)
Spilimbergo GM 2026 · 12 Oct 2026
Yilmaz, Baver(2474)
Spilimbergo GM 2026 · 11 Oct 2026
Play against Acs's Twin
Their real openings, level & style
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Based on 1,573 games
Openings
790 games as White · scores 62.5%Weaknesses
where they slip as ♔ WhiteNo significant weaknesses detected as white
Strengths
what holds up for them as ♔ WhiteSicilian: Classical1.e4 c5 2.♞f3 d6 3.d4 cxd4 4.♞xd4 ♞f6 5.♞c3 ♞c612 games, last played 3 months ago66.7%wins
French: Tarrasch1.e4 e6 2.d4 d5 3.♞d246 games, last played last year60.9%wins
By family
open a family to see its linesPROTime controls · Years · Events
1,573 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 62.5%
B20–B503143w
46%33%21%
63.2%—C001223w
49%30%21%
64.3%—B10–B15753m
48%32%20%
64.0%—C23–C46723w
51%39%10
70.8%+8.3 ptsC63–C70643m
38%38%24%
56.3%−6.3 ptsB00–B06553w
42%36%22%
60.0%—B02202y
50%35%15
67.5%+5.0 ptsB01147y
79%714
82.1%—Mistakes
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
107 endgames (47.6%) · force Pure Pawn (20%)
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Repertoire
PROTime controls · Years · Events
1,573 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Explore the repertoireevery move played, ranked by frequency
790 games46%W34%D20%L
790games in this linewon 46%, drew 34%, lost 20%
Move
1. e4
7513w47%33%20%
63%1. d4
346y24%41%35%
44%1. c4
317y33%33%34%
50%1. ♞f3
2—0100%0
50%