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Player profile

Nicholas, Koichi B

Standard: 2125 Rapid: 1990 Blitz: 1993 (last updated 2026-11-02)
FIDE ID: 409820 (view FIDE profile)
Federation: ENG Sex: M Birth Year: 1984 Age: 42
Title: — Women's title: — Other title: — FOA title: —
Games: 133 Wins: 57 (43%) Draws: 22 (17%) Losses: 54 (41%)
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Dossier

131 of 133 games analyzed.

Accuracy: 87.8%
Opened e4: 40/60Opened Nc3: 18/60Opened c4: 1/60Opened f4: 1/60
Castled kingside: 87Same-side castling: 70Castled queenside: 20Opposite-side castling: 19Did not castle: 16
Played on the kingside: 44Played in the center: 37Played on the queenside: 25Fianchettoed kingside: 22Fianchettoed queenside: 13
Active pieces: 82Sacrificed material: 79Initiated exchanges: 75Space advantage: 72Backward pawn: 67Isolated pawn: 56Kept the bishop pair: 56Missed tactics: 47Avoided exchanges: 34Played gambits: 20
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Openings

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As White 62 games 26W 10D 26L
Sicilian Defense 17 games 5W 5D 7L
Scheveningen Variation 3 games 1W 0D 2L
English Attack, with f3 3 games 1W 0D 2L
Four Knights Variation 3 games 2W 0D 1L
Cobra Variation 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
Accelerated Dragon 2 games 2W 0D 0L
Maróczy Bind 1 game 1W 0D 0L
Maróczy Bind, Breyer Variation 1 game 1W 0D 0L
Najdorf Variation 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
English Attack 1 game 0W 0D 1L
Dragon Variation 2 games 0W 1D 1L
Yugoslav Attack, Modern Line 1 game 0W 0D 1L
Yugoslav Attack, Hungarian Dragon 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Kan Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Kveinis Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Boleslavsky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Rapport-Jobava System 9 games 5W 1D 3L
(unspecified) 9 games 5W 1D 3L
(unspecified) 9 games 5W 1D 3L
Van Geet Opening 8 games 3W 0D 5L
(unspecified) 6 games 2W 0D 4L
(unspecified) 6 games 2W 0D 4L
Myers Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Napoleon Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 8 games 4W 2D 2L
Classical Variation 3 games 0W 1D 2L
Main Line 2 games 0W 1D 1L
(unspecified) 1 game 0W 0D 1L
Two Knights Attack 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Endgame Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Advance Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Tartakower Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 6 games 3W 0D 3L
Rubinstein Variation 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
Blackburne Defense 1 game 0W 0D 1L
Tarrasch Variation 2 games 1W 0D 1L
Open System 1 game 0W 0D 1L
Pawn Center Variation 1 game 1W 0D 0L
McCutcheon Variation 1 game 0W 0D 1L
Lasker Variation 1 game 0W 0D 1L
Winawer Variation 1 game 1W 0D 0L
Warsaw Variation 1 game 1W 0D 0L
Modern Defense 5 games 0W 1D 4L
Standard Defense 4 games 0W 0D 4L
(unspecified) 4 games 0W 0D 4L
Standard Line 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
? 5 games 3W 0D 2L
(unspecified) 5 games 3W 0D 2L
(unspecified) 5 games 3W 0D 2L
Queen's Pawn Game 2 games 2W 0D 0L
Chigorin Variation 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
Irish Gambit 1 game 1W 0D 0L
Czech Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Gligoric Variation 1 game 0W 1D 0L
As Black 63 games 26W 10D 27L
Italian Game 8 games 4W 1D 3L
Two Knights Defense 4 games 1W 0D 3L
Modern Bishop's Opening 3 games 1W 0D 2L
(unspecified) 1 game 0W 0D 1L
Scotch Gambit 2 games 2W 0D 0L
Max Lange Attack 1 game 1W 0D 0L
Max Lange Attack, Spielmann Defense 1 game 1W 0D 0L
Classical Variation 2 games 1W 1D 0L
Giuoco Pianissimo 2 games 1W 1D 0L
Ruy Lopez 8 games 2W 4D 2L
Closed 3 games 1W 0D 2L
Martinez Variation 1 game 0W 0D 1L
Anti-Marshall 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Morphy Defense 3 games 1W 2D 0L
Anderssen Variation 2 games 0W 2D 0L
Tarrasch Variation 1 game 1W 0D 0L
Bird Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
? 6 games 2W 0D 4L
(unspecified) 6 games 2W 0D 4L
(unspecified) 6 games 2W 0D 4L
English Opening 5 games 0W 1D 4L
Symmetrical Variation 4 games 0W 1D 3L
Full Symmetry Line 1 game 0W 0D 1L
Botvinnik System 1 game 0W 0D 1L
Anti-Benoni Variation, Geller Variation 1 game 0W 0D 1L
Ultra-Symmetrical Variation 1 game 0W 1D 0L
King's English Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benoni Defense 5 games 2W 0D 3L
Benoni Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Old Benoni 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Woozle 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benoni-Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benko Gambit Accepted 5 games 3W 0D 2L
King Walk Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Fully Accepted Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Pawn Return Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 4 games 1W 1D 2L
Gunsberg Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scotch Variation 1 game 1W 0D 0L
Schmid Defense 1 game 1W 0D 0L
Spanish Variation 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Indian Defense 3 games 2W 0D 1L
Spielmann-Indian 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Reversed Chigorin Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pseudo-Benko 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Vienna Game 2 games 1W 0D 1L
Mieses Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Falkbeer Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Petrov's Defense 2 games 1W 1D 0L
Damiano Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Attack 1 game 0W 1D 0L
Center Attack 1 game 0W 1D 0L
Scotch Game 2 games 1W 1D 0L
Schmidt Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Mieses Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Vulture Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 0W 0D 1L
Double Fianchetto 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 0D 1L
Central Variation 1 game 0W 0D 1L
Greco Variation 1 game 0W 0D 1L
Benko Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Pseudo-Catalan 1 game 1W 0D 0L
Zukertort Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bishop's Opening 1 game 0W 1D 0L
Vienna Hybrid 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 0D 1L
Nimzowitsch Variation 1 game 0W 0D 1L
Closed Variation 1 game 0W 0D 1L
Van Geet Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Gambit Accepted 1 game 1W 0D 0L
Kieseritzky Gambit 1 game 1W 0D 0L
Kolisch Defense 1 game 1W 0D 0L
Danish Gambit Accepted 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 596

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

2025.03.01 · 49. Qf5 (−86.8% win chance) 1-0
Kumar, Sachin
Nicholas, Koichi B
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2026.08.23 · 49... Rd4 (−80.5% win chance) 1-0
Nicholas, Koichi B
Kovalskyi, Roman
View game
2025.03.01 · 51. Qc8+ (−68.6% win chance) 1-0
Kumar, Sachin
Nicholas, Koichi B
View game
2025.03.01 · 43... Qd6 (−60.2% win chance) 1/2-1/2
Nicholas, Koichi B
Pyda, Arjun
View game
View blunders & mistakes
Games Showing all 133 games
Date Event Round Color Opponent Result Accuracy % First moves