E
GM

Erdos, Viktor

HUN HUN·Born 1987·FIDE #719978·2,661 Games

Classical25522,351 Games
Rapid2505154 Games
Blitz2598156 Games

Play against Erdos, Viktor's Twin

PRO

Uses their openings, level & style

Statistics

Total

2661

Wins

919

Draws

1425

Losses

317
35%54%12%

Play Style

What you need to know before facing them
Elite 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 analyzed
Accuracy 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 average
0%
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
Few
Many
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 games

Weaknesses

— exploit these lines

No 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 lines
White73.9%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
Qd6??vs MunkhzulOTB · 2025
Nd5??vs GurevichOTB · 2025
Qf3??vs ZhakshylykovOTB · 2025
Ke7??vs NakamuraRapid · 2025
Ka4??vs SeemannRapid · 2025
Qe5??vs VitiugovRapid · 2025
Bxe4??vs MaghsoodlooRapid · 2025
exf4??vs KosteniukRapid · 2025
Bxf6??vs Santos LatasaRapid · 2025
Kh7??vs RodshteinBlitz · 2025

Recent Games

W
Lerch, Johannes(2220)

TCh-AUT Rapid 2026 · 17 May 2026

0-1
L
Borrmann, Laurenz(2402)

TCh-AUT Rapid 2026 · 17 May 2026

0-1
D
Dehtiarov, Roman(2498)

TCh-AUT Rapid 2026 · 17 May 2026

½-½
W
Gillhofer,Michael(1962)

TCh-AUT Rapid 2026 · 17 May 2026

1-0
D
Malek,Jan(2560)

TCh-AUT Rapid 2026 · 17 May 2026

½-½
W
Badelka, Olga(2392)

TCh-AUT Rapid 2026 · 17 May 2026

1-0

Endgame Statistics

PRO23 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
1335 Games
43%49%8%
MoveGamesPerformance%
1.d4
817
70%
1.Nf3
279
67%
1.e4
171
60%
1.c4
64
60%
1.g3
4
63%

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