GM
Ruck, Robert
HUN·Born 1977·FIDE #705713·2,387 Games
HUN Classical24722,056 Games
Rapid2455165 Games
Blitz2499166 Games
Statistics
2387
Total
823
Wins
1194
Draws
370
Losses
34%50%16%
Play Style
What you need to know before facing them
Elite accuracy: 94.6% average
High resilience (57%): Dangerous even when losing
Solid conversion: 82%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (66% in 737 games)
Deep Analysis
Stockfish 18 · Classical games · 211 analyzed
Accuracy by phase
Opening96.7%
Middlegame93.7%
Endgame95.1%
Clutch Factor
Performance under pressure
Winning (+2 or more)94%
71 Games
Equal position96%
118 Games
Losing (-2 or more)91%
22 Games
Problematic Pieces
Which pieces cause most errors?
♖
23%
25 errors
♗
20%
22 errors
♞
16%
17 errors
♙
15%
16 errors
♔
13%
14 errors
♕
13%
14 errors
Critical Moment
When does the first serious error occur?
Move 48average
1-15
16-25
26-35
36-45
46+
67% of blunders occur between move 46+. Keep tension until that moment.
Error Heatmap
Where do most errors occur?
4
4
3
3
4
3
5
7
5
6
abcdefgh
Many
Few
Critical squares
f27 err
d16 err
c15 err
f35 err
c64 err
f2/d1 concentrate most errors. Force decisions in those zones.
Recent Games
D
Erdos, Viktor2551
TCh-HUN 2025-26 · 10 May 2026
D
Mazur, Stefan2368
TCh-HUN 2025-26 · 9 May 2026
D
Mihok, Oliver2499
TCh-HUN 2025-26 · 8 May 2026
D
Dankhazi, Andras2329
Hungarian Superleague 202... · 29 Mar 2026
D
Dankhazi, Andras2330
Szuperliga 2025/2026 · 29 Mar 2026
W
Sjugirov, Sanan2608
TCh-HUN 2025-26 · 8 Mar 2026
Openings
Based on player games
Weaknesses
EXPLOIT!White
Sicilian: Rossolimo
44.4%9 GamesLow sample·Loses
1.e4 c5 2.Nf3 Nc6 3.Bb5
Black
No significant weaknesses detected as Black
Strengths
AVOIDWhite
English: Anglo-Indian
63.2%19 Games·Wins
1.c4 Nf6 2.g3 g6
French Defense
63.6%11 Games·Wins
1.e4 e6 2.d4 d5
Black
Sicilian: Kan
50.0%32 Games·Wins
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6
Critical Blunders
Tactical errors analyzed with Stockfish
10 errors
▶
#39Qd7??
Tactics
vs Nigmatov
OTB·2025
▶
#61h1=Q??
Endgame
vs Shearsby
OTB·2025
▶
#53Ke3??
Endgame
vs Cieslak
OTB·2025
▶
#33Qe1??
Tactics
vs Selboe
Rapid·2025
▶
#83Bb5??
Endgame
vs Le Tuan
Rapid·2025
▶
#49Rd1??
Endgame
vs Starostits
OTB·2024
▶
#47Ra6??
Endgame
vs Korobov
Blitz·2023
▶
#32Nxe5??
Tactics
vs Van Foreest
Blitz·2023
▶
#61h6??
Endgame
vs Gorovets
Blitz·2023
▶
#33Nd4??
Tactics
vs Omonov
Blitz·2023
Endgame Statistics
22 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2026
2025
2024
2023
2022
2021
PRO
8
76
5
4
3
2
1a
b
c
d
efgh1196 Games
41%48%11%
1.Nf3
66%737
1.c4
65%221
1.d4
64%117
1.e4
62%113
1.g3
50%8