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Player profile

Klein, Jack

Standard: 1877 Rapid: 1882 Blitz: 1896 (last updated 2026-10-02)
FIDE ID: 30978467 (view FIDE profile)
Federation: USA Sex: M Birth Year: 2004 Age: 22
Title: — Women's title: — Other title: — FOA title: —
Games: 23 Wins: 11 (48%) Draws: 3 (13%) Losses: 8 (35%) Other: 1
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Dossier

20 of 23 games analyzed.

Accuracy: 89.2%
Opened Nf3: 3/5Opened e4: 1/5Opened g3: 1/5
Castled kingside: 7Same-side castling: 6Opposite-side castling: 2Did not castle: 1Castled queenside: 1
Fianchettoed kingside: 8Played on the kingside: 5Fianchettoed queenside: 4Played in the center: 2
Backward pawn: 7Active pieces: 7Sacrificed material: 6Initiated exchanges: 6Space advantage: 6Kept the bishop pair: 5Isolated pawn: 3Avoided exchanges: 3Missed tactics: 3
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Openings

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As White 5 games 2W 2D 1L
King's Indian Attack 3 games 1W 2D 0L
Wahls Defense 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening 1 game 1W 0D 0L
King's Indian Attack, with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 2W 1D 1L
Modern Defense 2 games 0W 1D 1L
Pseudo-Austrian Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Standard Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Quiet System 1 game 1W 0D 0L
Blunders Top 4 of 109

This player's costliest moves in analyzed games. Can you find the winning move?

????.??.?? · 24. Qe3 (−56.1% win chance) 1-0
Singh, Malhar
Klein, Jack
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2024.10.13 · 23. Bd5 (−46.4% win chance) 0-1
Sathiesh, Kavin C
Klein, Jack
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????.??.?? · 29... Nd3+ (−45.9% win chance) 0-1
Klein, Jack
Xiang, Christopher
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????.??.?? · 36. Qd4+ (−38% win chance) 1-0
Kumar, Sriram
Klein, Jack
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View blunders & mistakes
Games Showing all 23 games
Date Event Round Color Opponent Result Accuracy % First moves