Player profile

Martinez San Juan, Cesar

Standard: 0 Rapid: 0 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 5100941 (view FIDE profile)
Federation: MEX Sex: M Birth Year: 1986 Age: 40
Title: — Women's title: — Other title: — FOA title: —
Games: 6 Wins: 3 (50%) Draws: 1 (17%) Losses: 1 (17%) Other: 1
Dossier

5 of 6 games analyzed.

Accuracy: 80.7%
Opened d4: 2/2
Castled kingside: 3Same-side castling: 3Castled queenside: 1Opposite-side castling: 1Did not castle: 1
Played on the kingside: 4Fianchettoed kingside: 3Fianchettoed queenside: 1Played in the center: 1
Kept the bishop pair: 4Space advantage: 4Active pieces: 4Initiated exchanges: 4Sacrificed material: 3Backward pawn: 3Isolated pawn: 2Avoided exchanges: 1Missed tactics: 1
Openings

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As White 3 games 1W 1D 0L
Queen's Pawn Game 2 games 0W 1D 0L
Rossolimo Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Modern Defense 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Polish Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 3 games 2W 0D 1L
Sicilian Defense 2 games 1W 0D 1L
Alapin Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Hyperaccelerated Dragon 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 1W 0D 0L
Old Benoni 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 31

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

2026.10.31 · 40... Qg5 (−74.7% win chance) 1-0
Martinez San Juan, Cesar
Mancilla Rincon, Juan Carlos
View game
2026.10.31 · 28. Bg8+ (−46.5% win chance) 1/2-1/2
Luis Angel Rosas Torres
Martinez San Juan, Cesar
View game
2026.10.31 · 16. exd4 (−41.9% win chance) 1/2-1/2
Luis Angel Rosas Torres
Martinez San Juan, Cesar
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2026.10.31 · 12. h5 (−29.9% win chance) 1/2-1/2
Luis Angel Rosas Torres
Martinez San Juan, Cesar
View game
Games Showing all 6 games
Date Event Round Color Opponent Result Accuracy % First moves