Zuckerman, Bernard

USA USA·Born 1943·FIDE #2000423

2455Classical

—Rapid

—Blitz

Statistics

Total400

Wins122

Draws187

Losses91

31%47%23%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.1% average

Plays 3.2% better with white

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 as

(63% in 15 games)

Vulnerable to 1.Nf3

(only 39%)

Play against Zuckerman's Twin

Uses their openings, level & style

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

Based on

400 games

Based on 400 games

Deep Analysis

Stockfish 18 · Classical · 12 analyzedStockfish 18 · Classical games · 12 analyzed

Accuracy by phase

Opening

97.4%

Middlegame

94.0%

Endgame

92.7%

Clutch Factor

-6%

Winning (+2)Winning (+2)

85%0g

EqualEqual position

96%5g

Losing (−2)Losing (−2)

91%7g

Accuracy under pressure

Problematic Pieces — which cause most errors?

25%

5 err

25%

5 err

20%

4 err

20%

4 err

10%

2 err

0 err

Critical Moment

Move 25 avg

1-15

100%

16-25

26-35

36-45

46+

100% of blunders occur after move 16-25 — keep tension until then.of blunders occur after move 16-25 — keep tension until then.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

c5 / b4

Critical squares

3 err

2 err

1 err

c5/b4 concentrate most errors. Force decisions in those zones.

Openings

400 gamesBased on 400 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

No consistent strengths detected as white

asblack46.9%wins

Sicilian: Najdorf — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a632 g32 games · last played 47 years ago

Critical Blunders

2 errors · Stockfish

#25Bg7??Tacticsvs KorchnoiOTB

#49Rg6??Endgamevs ReshevskyOTB

Recent Games

400 games

Loss

Espig

? · 1 Jan 1988

1-0

Draw

Zaltsman, Vitaly(2430)

? · 1 Apr 1987

½-½

Loss

Suba, M.(2560)

New York Open · 1 Apr 1987

1-0

Loss

Spraggett, Kevin(2550)

? · 1 Apr 1987

0-1

Win

Markov

? · 1 Jan 1985

1-0

Win

Spraggett, Kevin(2540)

? · 1 Jan 1984

1-0

Endgame Statistics

PRO7 endgames (58.3%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

58.3%

7 / 12

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

77.9%353g

R+Bishop vs R+Knight

79.4%306g

Rook vs Minor (Exchange)

73.7%281g

Rook vs Rook

72.6%252g

Rook vs Two Minors

78.1%160g

Pure Pawn

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in : only 0% win rate (0 games) — Force thisShow all 14 types

Unlock Endgame Statistics

All their endgames — discover where they collapse under pressure

Repertoire

PRO

Move arrowsmost-played moves

Starting Position

SF18

207 games

36%48%16%

Move	games	%
1.e4	185	60%
1.d4	15	63%
1.Nf3	7	64%

MovegamesPerf%

1.e4

185

60%

1.d4

63%

1.Nf3

64%