Z
GM
Ziska, Helgi Dam
FAI·Born 1990·FIDE #7200595·862 Games
Classical2542742 Games
Rapid258342 Games
Blitz256378 Games
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862 games analyzed
Statistics
Total
862Wins
423Draws
292Losses
14649%34%17%
Play Style
What you need to know before facing themElite accuracy: 94.3% average
High resilience (58%): Dangerous even when losing
Solid conversion: 87%
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 ♔ (70% in 381 games)
Deep Analysis
Stockfish 18 · Classical games · 81 analyzedAccuracy by phase
Opening
96.7%
Middlegame
92.7%
Endgame
94.1%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+5%Winning (+2 or more)
95%46g
Equal position
94%29g
Losing (-2 or more)
90%6g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
22%
10 errors
20%
9 errors
20%
9 errors
16%
7 errors
13%
6 errors
9%
4 errors
Critical Moment — When does the first serious error occur?
Move 54 average0%
0%
0%
50%
50%
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 36-45. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
3
3
3
FewMany
Errors mapped
22
Hotspot zone
b5 / c8
Critical squares
b5
3 err
c8
3 err
f6
3 err
c6
2 err
d2
2 err
b5/c8 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 linesWhite59.2%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d649 Games · last played 8 months ago
White57.1%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e635 Games · last played 8 months ago
Black48.7%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6113 Games · last played 8 months ago
Black47.1%Wins
Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g617 Games · last played 4 years ago
Critical Blunders
10 errors · Stockfish#67Ke5??vs KuybokarovOTB · 2024
#52b3??vs LeeOTB · 2024
#38Kg1??vs FedoseevOTB · 2024
#30Re7??vs ApolOTB · 2023
#23Nd2??vs SzparRapid · 2022
#49Kd8??vs KlekowskiRapid · 2022
#30Rb5??vs HrebenshchykovaRapid · 2022
#27Qe3??vs Alonso RosellBlitz · 2022
#38Be5??vs PlichtaBlitz · 2022
#23Re3??vs LicznerskiBlitz · 2022
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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
430 Games
53%32%15%
MoveGamesPerformance%
1.e4
38270%
1.Nf3
3158%
1.f4Strong
972%
1.c4Strong
683%
1.g3Weak
225%
FAI