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Player profile

Izidoro, Klaus

Standard: 1740 Rapid: 1717 Blitz: 1688 (last updated 2026-11-02)
FIDE ID: 1978675 (view FIDE profile)
Federation: POR Sex: M Birth Year: 2014 Age: 12
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 3 (33%) Draws: 3 (33%) Losses: 3 (33%)
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Dossier

8 of 9 games analyzed.

Accuracy: 88.6%
Opened d4: 4/4
Same-side castling: 7Castled kingside: 6Castled queenside: 1Did not castle: 1
Played on the queenside: 4Played on the kingside: 3Fianchettoed queenside: 2Played in the center: 2
Active pieces: 7Sacrificed material: 7Isolated pawn: 6Backward pawn: 4Space advantage: 4Avoided exchanges: 4Missed tactics: 4Initiated exchanges: 4Kept the bishop pair: 3
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Openings

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As White 5 games 2W 1D 2L
Queen's Gambit Declined 2 games 2W 0D 0L
Anti-Tartakower Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 1W 2D 1L
Queen's Gambit Declined 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Janowski Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 1D 0L
Agincourt Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 1 game 0W 1D 0L
Bronstein-Larsen Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 36

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

2026.03.29 · 30... h4 (−37.3% win chance) 1-0
Izidoro, Klaus
Carvalho, Arthur
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2026.04.01 · 34. Rc1 (−34.1% win chance) 1-0
Matos, Maria Rita
Izidoro, Klaus
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2026.09.02 · 25... Nc7 (−29.8% win chance) 1/2-1/2
Izidoro, Klaus
Cruz, Joao (2011)
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2026.09.05 · 21. f5 (−24.7% win chance) 1/2-1/2
Ferreira, Joao Alvaro
Izidoro, Klaus
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View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves