Grinberg, Eyal

ISR ISR·Born 1998·FIDE #2806070·469 Games

FIDE OTB · #2806070 · 469 Games

Classical2457379 g Games

Rapid242450 g Games

Blitz240340 g Games

Play against Grinberg's Twin

PRO

Uses their openings, level & style

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

Ready to play

469 games analyzed

Statistics

Total

469

Wins

226

Draws

101

Losses

142

48%22%30%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.5% average

Solid conversion: 88%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (65% in 10 games)

Deep Analysis

Stockfish 18 · Classical games · 133 analyzed

Accuracy by phase

Opening

96.7%

Middlegame

93.5%

Endgame

94.5%

Clutch Factor

+5%

Winning (+2)Winning (+2)

94%59g

EqualEqual position

95%41g

Losing (−2)Losing (−2)

90%33g

Accuracy under pressure

Problematic Pieces — which cause most errors?

27%

30 err

21%

23 err

15%

17 err

15%

17 err

12%

13 err

11%

12 err

Critical Moment

Move 39 avg

1-15

17%

16-25

25%

26-35

17%

36-45

42%

46+

42% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

c6 / d3

Critical squares

5 err

4 err

3 err

c6/d3 account for most of the errors. Force decisions in those zones.

Openings

469 GamesBased on 469 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

aswhite62.5%Wins

French: Tarrasch — 1.e4 e6 2.d4 d5 3.Nd232 Games · last played last year

32 Games · last played last year

aswhite63.2%Wins

Caro-Kann: Advance — 1.e4 c6 2.d4 d5 3.e519 Games · last played 4 years ago

19 Games · last played 4 years ago

No consistent strengths detected as black

Critical Blunders

10 errors · Stockfish

#33Ra7??Tacticsvs HuzmanOTB · 2025

#25Ba3??Tacticsvs AxelrodOTB · 2025

#54Bf5??Endgamevs ZemachOTB · 2025

#38f4??Endgamevs AizenbergOTB · 2024

#26Re2??Tacticsvs DvoirysOTB · 2024

#36Be2??Tacticsvs SutovskyOTB · 2024

#42Rc1??Endgamevs LevOTB · 2024

#52Kh4??Endgamevs KhaninOTB · 2023

#18Ne4??Tacticsvs BoraOTB · 2022

#28Nc7??Tacticsvs MalickaOTB · 2022

Recent Games

469 Games

Win

Liss, Eran(2414)

TCh-ISR Top Play-off 2026 · 19 Jun 2026

0-1

Win

Sason, Noam(2383)

TCh-ISR Top Play-off 2026 · 16 Jun 2026

0-1

Draw

Mindlin, Alon(2457)

TCh-ISR Top Play-off 2026 · 12 Jun 2026

½-½

Loss

Erenberg, Ariel(2479)

TCh-ISR Top Play-off 2026 · 12 Jun 2026

0-1

Draw

Friedland, Moshe(2220)

Israel Team Championship ... · 6 Feb 2026

½-½

Win

Bortnik,R(2158)

TCh-ISR GpA 2026 · 31 Jan 2026

0-1

Endgame Statistics

PRO105 endgames (55.3%)

Strongest

65%

Rook vs Minor (Exchange)

Weakest

36%

Double Rook

Reaches Endgame

55.3%

105 / 190

B vs N Pref

60% · 25%

5 / 8

PiecesTypeWin %Games

Rook + Minor

56.9%51

Queen vs Pieces

48%25

Rook + Equal Minors

60.9%23

Rook vs Rook

52.4%21

Rook+Bishop vs Rook+Knight

50%20

Rook vs Minor (Exchange)

64.7%17

Rook + Minor56.9%51

Queen vs Pieces48%25

Rook + Equal Minors60.9%23

Rook vs Rook52.4%21

Rook+Bishop vs Rook+Knight50%20

Rook vs Minor (Exchange)64.7%17

Weakest: Double Rook 36%Show all 22 types

Unlock Endgame Statistics

22 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

231 Games

54%18%28%

Move	Games	%
1.e4	214	63%
1.Nf3	10	65%
1.e3	3	67%
1.d4Strong	1	100%
1.g3Strong	1	100%
1.b3Strong	1	100%
1.Na3Weak	1	0%

MoveGamesPerformance%

1.e4

214

63%

1.Nf3

65%

1.e3

67%

1.d4Strong

100%

1.g3Strong

100%

1.b3Strong

100%

1.Na3Weak