Serper, Grigory

USA USA·Born 1969·FIDE #2012642·1,052 Games

Classical25221,032 Games

Rapid—10 Games

Blitz—10 Games

Play against Serper, Grigory's Twin

PRO

Uses their openings, level & style

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

Ready to play

1052 games analyzed

Statistics

Total

1052

Wins

399

Draws

466

Losses

187

38%44%18%

Play Style

What you need to know before facing them

Elite accuracy: 92.6% average

Low resilience (12%): Doesn't save lost positions

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.c4 ♔ (70% in 271 games)

Deep Analysis

Stockfish 18 · Classical games · 38 analyzed

Accuracy by phase

Opening

96.7%

Middlegame

93.3%

Endgame

94.6%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+6%

Winning (+2 or more)

96%3g

Equal position

95%14g

Losing (-2 or more)

90%21g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

24%

10 errors

24%

10 errors

20%

8 errors

15%

6 errors

12%

5 errors

2 errors

Critical Moment — When does the first serious error occur?

Move 20 average

100%

1-15

16-25

26-35

36-45

46+

100% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

f4 / b7

Critical squares

4 err

3 err

f4/b7 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White45.5%Loses

Ruy Lopez: Closed — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

11 Games · last played 40 years agoPlay this line

No significant weaknesses detected as Black

Strengths

— avoid these lines

No consistent strengths detected as White

No consistent strengths detected as Black

Critical Blunders

6 errors · Stockfish

#21Ne5??Tacticsvs GrischukOTB · 2000

#20a8f8??Endgamevs KasparovOTB · 1998

#24Rg1??Tacticsvs IvanchukOTB · 1985

#42Ke6??Endgamevs SmyslovRapid

#14Nxd4??Tacticsvs KorchnoiOTB

#29Rb6??Tacticsvs SmyslovRapid

Recent Games

1,052 Games

Lugo, Blas(2393)

USCL QF 2009 · 11 Nov 2009

0-1

Van de Mortel, Jan(2412)

USCL 2009 · 4 Nov 2009

1-0

Andrews, Todd(2329)

USCL 2009 · 21 Oct 2009

1-0

Milman, Lev(2474)

USCL 2009 · 7 Oct 2009

0-1

Ehlvest, Jaan(2607)

USCL 2009 · 30 Sept 2009

½-½

Charbonneau, Pascal(2509)

USCL 2009 · 8 Sept 2009

1-0

Endgame Statistics

PRO19 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

534 Games

42%47%11%

Move	Games	%
1.c4	271	70%
1.d4	133	63%
1.e4	120	58%
1.Nf3	9	56%
1.g3	1	50%

MoveGamesPerformance%

1.c4

271

70%

1.d4

133

63%

1.e4

120

58%

1.Nf3

56%

1.g3

50%