Waitzkin, Joshua

USA USA·Born 1976·FIDE #2005158·447 Games

FIDE OTB · #2005158 · 447 Games

Classical2464447 g Games

Rapid—0 g Games

Blitz—0 g Games

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447 games analyzed

Statistics

Total

447

Wins

168

Draws

144

Losses

135

38%32%30%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 92.5% average

Plays 7.9% better with white

Very consistent (88%)

Very precise: only 0.0 blunders/game

Dominates 1.e4 ♔ (60% in 221 games)

Vulnerable to 1.c4 ♚ (only 35%)

Deep Analysis

Stockfish 18 · Classical games · 4 analyzed

Accuracy by phase

Opening

96.1%

Middlegame

91.1%

Endgame

96.8%

Clutch Factor

-4%

Winning (+2)Winning (+2)

85%0g

EqualEqual position

93%2g

Losing (−2)Losing (−2)

89%2g

Accuracy under pressure

Problematic Pieces — which cause most errors?

38%

3 err

25%

2 err

12%

1 err

12%

1 err

12%

1 err

0 err

Critical Moment

Move 30 avg

1-15

16-25

26-35

36-45

46+

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

b6 / c5

Critical squares

2 err

1 err

b6/c5 account for most of the errors. Force decisions in those zones.

Openings

447 GamesBased on 447 player games

Weaknesses

— exploit these— exploit these lines

aswhite50.0%Losses

Ruy Lopez: Exchange — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6

8 Games · Low sample · last played 38 years agoPlay this line

aswhite42.9%Losses

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6

21 Games · last played 27 years agoPlay this line

asblack70.0%Losses

Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb5

10 Games · last played 27 years agoPlay this line

asblack55.6%Losses

Queen's Gambit Accepted — 1.d4 d5 2.c4 dxc4

9 Games · Low sample · last played 28 years agoPlay this line

Strengths

— avoid these— avoid these lines

aswhite66.7%Wins

Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc621 Games

21 Games

asblack55.0%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d620 Games

20 Games

Critical Blunders

2 errors · Stockfish

#20d8g5??Endgamevs KasparovOTB

#31Nb6??Tacticsvs KorchnoiOTB

Recent Games

447 Games

Draw

Sher, Miron(2415)

Fan Adams Int f-A · 27 Jun 1999

½-½

Loss

Kacheishvili, Giorgi(2570)

Fan Adams Int f-A · 26 Jun 1999

1-0

Loss

Blatny, Pavel(2468)

Fan Adams Int f-A · 25 Jun 1999

1-0

Loss

Fedorowicz, John(2574)

Fan Adams Int f-A · 24 Jun 1999

0-1

Loss

Shahade, Gregory(2386)

Manhattan March Int · 14 Mar 1999

1-0

Win

Burnett, Ronald(2420)

Manhattan March Int · 13 Mar 1999

1-0

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

231 Games

43%33%24%

Move	Games	%
1.e4	221	60%
1.Nf3	5	60%
1.c4Strong	2	75%
1.d4	2	50%
1.g3Weak	1	0%

MoveGamesPerformance%

1.e4

221

60%

1.Nf3

60%

1.c4Strong

75%

1.d4

50%

1.g3Weak