E
GM
Erdos, Viktor
HUN·Born 1987·FIDE #719978·2,661 Games
Classical25522,351 Games
Rapid2505154 Games
Blitz2598156 Games
Play against Erdos, Viktor's Twin
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2661 games analyzed
Statistics
Total
2661Wins
919Draws
1425Losses
31735%54%12%
Play Style
What you need to know before facing themElite accuracy: 94.8% average
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 ♔ (70% in 817 games)
Deep Analysis
Stockfish 18 · Classical games · 441 analyzedAccuracy by phase
Opening
96.8%
Middlegame
94.4%
Endgame
95.5%
Clutch Factor
+5%Winning (+2 or more)
95%121g
Equal position
96%265g
Losing (-2 or more)
90%55g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
24%
54 errors
21%
47 errors
20%
46 errors
14%
32 errors
13%
29 errors
9%
20 errors
Critical Moment — When does the first serious error occur?
Move 43 average0%
8%
38%
8%
46%
1-15
16-25
26-35
36-45
46+
46% of blunders occur between move 46+. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
10
10
9
10
9
8
FewMany
Errors mapped
84
Hotspot zone
d5 / e4
Critical squares
d5
10 err
e4
10 err
e5
10 err
d4
9 err
f4
9 err
d5/e4 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesWeaknesses
— exploit these linesNo significant weaknesses detected as White
Black66.7%Loses
Reti: KIA — 1.Nf3 d5 2.g3 g6
9 Games · Low sample · last played last yearPlay this line
Black62.5%Loses
Sicilian: Dragon — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
8 Games · Low sample · last played last yearPlay this line
Strengths
— avoid these linesWhite73.9%Wins
King's Indian: Saemisch — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f323 Games · last played 15 years ago
White61.9%Wins
Caro-Kann — 1.e4 c6 2.Nf3 d521 Games · last played 2 months ago
Black56.3%Wins
French: Exchange — 1.e4 e6 2.d4 d5 3.exd516 Games · last played 2 months ago
Critical Blunders
10 errors · Stockfish#21Qd6??vs MunkhzulOTB · 2025
#62Nd5??vs GurevichOTB · 2025
#27Qf3??vs ZhakshylykovOTB · 2025
#46Ke7??vs NakamuraRapid · 2025
#54Ka4??vs SeemannRapid · 2025
#23Qe5??vs VitiugovRapid · 2025
#20Bxe4??vs MaghsoodlooRapid · 2025
#33exf4??vs KosteniukRapid · 2025
#34Bxf6??vs Santos LatasaRapid · 2025
#89Kh7??vs RodshteinBlitz · 2025
Recent Games
2,661 GamesW
Lerch, Johannes(2220)
TCh-AUT Rapid 2026 · 17 May 2026
L
Borrmann, Laurenz(2402)
TCh-AUT Rapid 2026 · 17 May 2026
D
Dehtiarov, Roman(2498)
TCh-AUT Rapid 2026 · 17 May 2026
W
Gillhofer,Michael(1962)
TCh-AUT Rapid 2026 · 17 May 2026
D
Malek,Jan(2560)
TCh-AUT Rapid 2026 · 17 May 2026
W
Badelka, Olga(2392)
TCh-AUT Rapid 2026 · 17 May 2026
Endgame Statistics
PRO23 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
1335 Games
43%49%8%
MoveGamesPerformance%
1.d4
81770%
1.Nf3
27967%
1.e4
17160%
1.c4
6460%
1.g3
463%
HUN