IM
Zuckerman, Bernard
USA·Born 1943·FIDE #2000423·400 Games
USA Classical2455400 Games
Rapid—0 Games
Blitz—0 Games
Statistics
400
Total
122
Wins
187
Draws
91
Losses
31%47%23%
Play Style
What 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 ♔ (63% in 15 games)
Vulnerable to 1.Nf3 ♚ (only 39%)
Deep Analysis
Stockfish 18 · Classical games · 12 analyzed
Accuracy by phase
Opening97.4%
Middlegame94.0%
Endgame92.7%
Clutch Factor
Performance under pressure
Winning (+2 or more)85%
0 Games
Equal position96%
5 Games
Losing (-2 or more)91%
7 Games
Problematic Pieces
Which pieces cause most errors?
♗
25%
5 errors
♖
25%
5 errors
♙
20%
4 errors
♕
20%
4 errors
♞
10%
2 errors
♔
0%
0 errors
Critical Moment
When does the first serious error occur?
Move 25average
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?
1
2
2
1
1
3
1
2
1
1
abcdefgh
Many
Few
Critical squares
c53 err
b42 err
c72 err
e72 err
c11 err
c5/b4 concentrate most errors. Force decisions in those zones.
Recent Games
L
Espig
? · 1 Jan 1988
D
Zaltsman, Vitaly2430
? · 1 Apr 1987
L
Suba, M.2560
New York Open · 1 Apr 1987
L
Spraggett, Kevin2550
? · 1 Apr 1987
W
Markov
? · 1 Jan 1985
W
Spraggett, Kevin2540
? · 1 Jan 1984
Openings
Based on player games
Weaknesses
EXPLOIT!White
No significant weaknesses detected as White
Black
No significant weaknesses detected as Black
Strengths
AVOIDWhite
No consistent strengths detected as White
Black
Sicilian: Najdorf
46.9%32 Games·Wins
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
Critical Blunders
Tactical errors analyzed with Stockfish
2 errors
▶
#25Bg7??
Tactics
vs Korchnoi
OTB
▶
#49Rg6??
Endgame
vs Reshevsky
OTB
Endgame Statistics
7 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO1988
1987
1985
1984
1979
1978
PRO
8
76
5
4
3
2
1a
b
c
d
efgh207 Games
36%48%16%
1.e4
60%185
1.d4
63%15
1.Nf3
64%7