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Player profile

Isaac, Ceferino

Standard: 1767 Rapid: 1757 Blitz: 1839 (last updated 2026-11-02)
FIDE ID: 4303806 (view FIDE profile)
Federation: NZL Sex: M Birth Year: 1943 Age: 83
Title: — Women's title: — Other title: DI FOA title: —
Games: 47 Wins: 18 (38%) Draws: 14 (30%) Losses: 15 (32%)
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Dossier

34 of 47 games analyzed.

Accuracy: 87.8%
Opened Nf3: 16/16
Castled kingside: 29Same-side castling: 26Did not castle: 3Castled queenside: 2Opposite-side castling: 2
Played in the center: 16Fianchettoed kingside: 10Fianchettoed queenside: 9Played on the queenside: 9Played on the kingside: 7
Active pieces: 25Kept the bishop pair: 24Sacrificed material: 20Space advantage: 19Initiated exchanges: 18Backward pawn: 16Missed tactics: 15Isolated pawn: 11Avoided exchanges: 9Played gambits: 3
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Openings

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As White 20 games 8W 6D 6L
Zukertort Opening 8 games 2W 3D 3L
Sicilian Invitation 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified) 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
Kingside Fianchetto 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 4 games 3W 1D 0L
Chigorin Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Colle System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
London System 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
English Opening 2 games 0W 1D 1L
Agincourt Defense 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Yusupov-Rubinstein System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Réti Opening 1 game 0W 1D 0L
Réti Accepted 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 24 games 9W 7D 8L
Pirc Defense 5 games 2W 1D 2L
(unspecified) 5 games 2W 1D 2L
(unspecified) 5 games 2W 1D 2L
Queen's Pawn Game 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Czech Defense 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Modern Defense 3 games 2W 0D 1L
Pseudo-Austrian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Standard Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Pterodactyl 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Philidor Defense 2 games 1W 0D 1L
Lion Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Lion Defense 2 games 0W 0D 2L
Anti-Philidor 1 game 0W 0D 1L
Lion's Cave 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Rat Defense 2 games 1W 1D 0L
English Rat 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Indian Defense 1 game 0W 0D 1L
Wade-Tartakower Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Old Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 1 game 0W 1D 0L
Hyperaccelerated Dragon 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 167

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

2025.06.22 · 25... Re7 (−69% win chance) 1/2-1/2
Isaac, Ceferino
Hwang, Ryan
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2026.02.19 · 16. Na4 (−68.5% win chance) 1/2-1/2
Zeng, Laker
Isaac, Ceferino
View game
2025.06.21 · 21. Qd2 (−38.7% win chance) 0-1
Tew, Yao Zen Markis
Isaac, Ceferino
View game
2026.10.11 · 42... Bc3+ (−34.1% win chance) 1/2-1/2
Isaac, Ceferino
Ha, Timothy Huy Minh
View game
View blunders & mistakes
Games Showing all 47 games
Date Event Round Color Opponent Result Accuracy % First moves