O
GM
Oleksiyenko, Mykhaylo
UKR·Born 1986·FIDE #4152417·1,666 Games
FIDE OTB · #4152417 · 1,666 Games
Classical25581,521 g Games
Rapid246071 g Games
Blitz252574 g Games
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1666 games analyzed
Statistics
Total
1666Wins
770Draws
590Losses
30546%35%18%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 94.9% average
High resilience (57%): Dangerous even when losing
Solid conversion: 87%
Very consistent (93%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 ♔ (71% in 88 games)
Deep Analysis
Stockfish 18 · Classical games · 144 analyzedAccuracy by phase
Opening
96.5%
Middlegame
93.9%
Endgame
95.7%
Clutch Factor
+5%Winning (+2)Winning (+2)
96%43g
EqualEqual position
96%74g
Losing (−2)Losing (−2)
92%27g
Accuracy under pressure
Problematic Pieces — which cause most errors?
27%
22 err
26%
21 err
13%
11 err
12%
10 err
11%
9 err
11%
9 err
Critical Moment
Move 44 avg0%
1-15
0%
16-25
33%
26-35
33%
36-45
33%
46+
33% of blunders after move 26-35 — keep the tension until then.of blunders occur in moves 26-35. Keep the tension until that moment.
Error Heatmap — where do errors occur?
6
FewMany
Errors mapped
38
Hotspot zone
e5 / b3
Critical squares
e5
6 err
b3
4 err
d2
4 err
d4
4 err
d5
4 err
e5/b3 account for most of the errors. Force decisions in those zones.
Openings
1,666 GamesBased on 1,666 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite81.8%Wins
Queen's Gambit Declined — 1.d4 d5 2.c4 e611 Games · last played 2 months ago
11 Games · last played 2 months ago
aswhite56.0%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6134 Games · last played 5 months ago
134 Games · last played 5 months ago
asblack48.6%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6105 Games · last played 2 months ago
105 Games · last played 2 months ago
asblack48.1%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d652 Games · last played 5 months ago
52 Games · last played 5 months ago
Critical Blunders
10 errors · Stockfish#28Rxg2+??vs Quesada PerezOTB · 2026
#30Ne5??vs LortkipanidzeOTB · 2026
#39Rb3??vs Guevara RuizOTB · 2026
#35Re6??vs MukhaRapid · 2025
#63Rxh4??vs DyachukRapid · 2024
#36Rb8??vs DyachukBlitz · 2024
#14f6??vs TretiakBlitz · 2024
#40Be2??vs PacherBlitz · 2024
#49Ke4??vs DyachukBlitz · 2024
#18Ra1??vs PavlovBlitz · 2024
Recent Games
1,666 GamesLoss
Quesada Perez, Luis Ernesto(2536)
Titled Tue 16th Jun 2026 · 16 Jun 2026
Win
Javakhadze, Zurab(2423)
Titled Tue 16th Jun 2026 · 16 Jun 2026
Loss
Donchenko, Alexander(2640)
Titled Tue 16th Jun 2026 · 16 Jun 2026
Win
Amartya Saumitra Gupta(2217)
Titled Tue 16th Jun 2026 · 16 Jun 2026
Loss
Shuvalova, Polina(2492)
Titled Tue 16th Jun 2026 · 16 Jun 2026
Draw
Salinas Herrera, Pablo(2454)
Titled Tue 16th Jun 2026 · 16 Jun 2026
Endgame Statistics
PRO127 endgames (56.4%)Unlock Endgame Statistics
22 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
841 Games
52%34%14%
MoveGamesPerformance%
1.e4
72769%
1.d4Strong
8871%
1.Nf3
1567%
1.c4
650%
1.Nc3
570%
UKR