Onischuk, Alexander

USA USA·Born 1975·FIDE #14101025·1,093 Games

FIDE OTB · #14101025 · 1,093 Games

Classical26391,024 g Games

Rapid261746 g Games

Blitz262936 g Games

Play against Onischuk's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

1093 games analyzed

Statistics

Total

1093

Wins

432

Draws

468

Losses

193

40%43%18%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 91.1% average

Plays 3.8% better with white

Low resilience (32%): Doesn't save lost positions

Very consistent (82%)

Very precise: only 0.2 blunders/game

Dominates 1.c4 ♔ (68% in 109 games)

Deep Analysis

Stockfish 18 · Classical games · 38 analyzed

Accuracy by phase

Opening

96.2%

Middlegame

92.8%

Endgame

94.6%

Clutch Factor

+6%

Winning (+2)Winning (+2)

94%8g

EqualEqual position

93%14g

Losing (−2)Losing (−2)

87%16g

Accuracy under pressure

Problematic Pieces — which cause most errors?

33%

19 err

21%

12 err

14%

8 err

14%

8 err

5 err

Critical Moment

Move 38 avg

17%

1-15

16-25

50%

26-35

36-45

33%

46+

50% 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?

Few

Many

Errors mapped

Hotspot zone

b7 / d4

Critical squares

3 err

b7/d4 account for most of the errors. Force decisions in those zones.

Openings

1,093 GamesBased on 1,093 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite71.4%Wins

King's Indian: Classical — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be214 Games

14 Games

aswhite63.6%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e611 Games · last played 27 years ago

11 Games · last played 27 years ago

asblack48.0%Wins

Ruy Lopez: Marshall — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b525 Games · last played 8 years ago

25 Games · last played 8 years ago

Critical Blunders

10 errors · Stockfish

#35b2??Tacticsvs VokhidovBlitz · 2024

#43Qf5??Endgamevs ReimanisOTB · 2024

#31Nxe8??Tacticsvs GabuzyanOTB · 2024

#52Rb1??Endgamevs SherifOTB · 2024

#35Rxe6??Tacticsvs GabuzyanOTB · 2024

#18Nb4??Tacticsvs GraifOTB · 2024

#33Rad8??Tacticsvs NepomniachtchiBlitz · 2015

#27Nxf2??Tacticsvs NakamuraOTB · 2015

#13b5??Tacticsvs MamedyarovOTB · 2005

#80Rd2??Endgamevs PolgarOTB · 1997

Recent Games

1,093 Games

Win

Akopian, Vladimir(2551)

ch-USA Seniors TB 2026 · 24 Jul 2026

0-1

Loss

Akopian, Vladimir(2551)

ch-USA Seniors TB 2026 · 24 Jul 2026

0-1

Win

Fishbein, Alexander(2408)

ch-USA Seniors 2026 · 23 Jul 2026

0-1

Win

Rachels, Stuart(2431)

ch-USA Seniors 2026 · 22 Jul 2026

1-0

Draw

Akopian, Vladimir(2551)

ch-USA Seniors 2026 · 21 Jul 2026

½-½

Win

Benjamin, Joel(2471)

ch-USA Seniors 2026 · 20 Jul 2026

1-0

Endgame Statistics

PRO31 endgames (57.4%)

Strongest

Weakest

17%

Rook+Bishop vs Rook+Knight

Reaches Endgame

57.4%

31 / 54

B vs N Pref

50% · 0%

2 / 1

PiecesTypeWin %Games

Rook + Minor

27.3%22

Rook vs Rook

44.4%9

Rook + Equal Minors

33.3%9

Rook+Bishop vs Rook+Knight

16.7%6

Rook vs Two Minors

33.3%6

Minor Piece Pairs

20%5

Rook + Minor27.3%22

Rook vs Rook44.4%9

Rook + Equal Minors33.3%9

Rook+Bishop vs Rook+Knight16.7%6

Rook vs Two Minors33.3%6

Minor Piece Pairs20%5

Weakest: Rook+Bishop vs Rook+Knight 17%Show all 20 types

Unlock Endgame Statistics

20 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

559 Games

46%40%14%

Move	Games	%
1.d4	315	66%
1.e4	119	65%
1.c4	109	68%
1.Nf3	15	67%
1.f4	1	50%

MoveGamesPerformance%

1.d4

315

66%

1.e4

119

65%

1.c4

109

68%

1.Nf3

67%

1.f4

50%