Oparin, Grigoriy

USA USA·Born 1997·FIDE #24125890

2638Classical

2611Rapid

2655Blitz

Statistics

Total5,266

Wins2,593

Draws1,523

Losses1,146

49%29%22%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.5% average

Solid conversion: 82%

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.Nc3 as

(79% in 94 games)

Play against Oparin's Twin

Uses their openings, level & style

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

Ready to play

5,266 games analyzed

Deep Analysis

Stockfish 18 · Classical · 866 analyzedStockfish 18 · Classical games · 866 analyzed

Accuracy by phase

Opening

96.6%

Middlegame

93.3%

Endgame

95.0%

Clutch Factor

+5%

Winning (+2)Winning (+2)

95%185g

EqualEqual position

96%210g

Losing (−2)Losing (−2)

90%105g

Accuracy under pressure

Problematic Pieces — which cause most errors?

21%

86 err

21%

88 err

19%

78 err

14%

59 err

13%

55 err

12%

50 err

Critical Moment

Move 44 avg

1-15

19%

16-25

26-35

26%

36-45

48%

46+

48% of blunders occur after move 46 — keep tension until then.of blunders occur after move 46 — keep tension until then.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

137

Hotspot zone

e5 / e4

Critical squares

19 err

17 err

16 err

13 err

e5/e4 concentrate most errors. Force decisions in those zones.

Openings

5,266 gamesBased on 5,266 player games

Weaknesses

— exploit these— exploit these lines

aswhite50.0%losses

Nimzo-Indian: Capablanca — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3

8 games · low sample · last played 2 years agoPlay this line

aswhite50.0%losses

Nimzowitsch-Larsen — 1.b3 Nf6 2.Bb2 g6

8 games · low sample · last played last monthPlay this line

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite81.8%wins

Benoni — 1.d4 Nf6 2.c4 c511 g11 games · last played last year

aswhite80.0%wins

1.Nc3 d5 2.d4 Nf6 — 1.Nc3 d5 2.d4 Nf615 g15 games · last played 2 years ago

asblack69.2%wins

Pirc Defense — 1.e4 d6 2.d4 g613 g13 games · last played 2 months ago

asblack69.2%wins

Trompowsky Attack — 1.d4 Nf6 2.Bg5 d513 g13 games

Critical Blunders

10 errors · Stockfish

#30Nf8??Tacticsvs ReprintsevOTB · 2026

#42f5??Endgamevs LinOTB · 2026

#20Bg5??Tacticsvs WeetikOTB · 2026

#56Ra7??Endgamevs SahakyanOTB · 2026

#58a3??Endgamevs BelovOTB · 2026

#51Rxa4??Endgamevs BacrotOTB · 2026

#26Qf3+??Tacticsvs AimdilokwongOTB · 2026

#41Qxe2??Endgamevs MoellerOTB · 2026

#24Ng7??Tacticsvs GurevichOTB · 2026

#27Bxf5??Tacticsvs TabatabaeiOTB · 2026

Recent Games

5,266 games

Draw

Yoo, Christopher Woojin(2607)

13th Washington Int 2026 · 29 Jul 2026

½-½

Win

Escalante Ramirez, Brian(2450)

13th Washington Int 2026 · 28 Jul 2026

1-0

Win

Li, Rachael(2314)

13th Washington Int 2026 · 28 Jul 2026

0-1

Win

Colville, Julian(2333)

13th Washington Int 2026 · 27 Jul 2026

0-1

Draw

Sethuraman, Roshan(2323)

13th Washington Int 2026 · 27 Jul 2026

½-½

Draw

Altman, Joshua(2218)

13th Washington Int 2026 · 25 Jul 2026

½-½

Endgame Statistics

PRO722 endgames (61.9%) · avoid Pawn Race (8%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

61.9%

722 / 1,167

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

77.9%353

R+Bishop vs R+Knight

79.4%306

Rook vs Minor (Exchange)

73.7%281

Rook vs Rook

72.6%252

Rook vs Two Minors

78.1%160

Pure Pawn

60.6%109

Rook + Equal Minors77.9%353

R+Bishop vs R+Knight79.4%306

Rook vs Minor (Exchange)73.7%281

Rook vs Rook72.6%252

Rook vs Two Minors78.1%160

Pure Pawn60.6%109

Weak in Pawn Race: only 8% win rate (12 games) — Force thisShow all 14 types

Unlock Endgame Statistics

14 endgame categories — discover where they collapse under pressure

Repertoire

PRO

Move arrowsmost-played moves

Starting Position

SF18

2,652 games

54%27%19%

Move	games	%
1.e4	913	65%
1.Nf3	628	65%
1.d4	577	66%
1.c4Strong	247	77%
1.g3Strong	114	74%
1.Nc3Strong	94	79%
1.b3Strong	47	73%
1.a3Strong	11	73%
1.f4Strong	10	75%
1.e3Strong	4	100%
1.d3Weak	2	25%
1.c3	2	50%
1.f3Strong	1	100%
1.b4Strong	1	100%
1.a4Strong	1	100%

MovegamesPerf%

1.e4

913

65%

1.Nf3

628

65%

1.d4

577

66%

1.c4Strong

247

77%

1.g3Strong

114

74%

1.Nc3Strong

79%

1.b3Strong

73%

1.a3Strong

73%

1.f4Strong

75%

1.e3Strong

100%

1.d3Weak

25%

1.c3

50%

1.f3Strong

100%

1.b4Strong

100%

1.a4Strong

100%