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O`briain, Colm

Standard: 1528 Rapid: 1529 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 2524899 (view FIDE profile)
Federation: IRL Sex: M Birth Year: 2001 Age: 25
Title: — Women's title: — Other title: — FOA title: —
Games: 5 Wins: 2 (40%) Draws: 1 (20%) Losses: 2 (40%)
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Dossier

5 of 5 games analyzed.

Accuracy: 83.1%
Opened d4: 3/3
Castled kingside: 3Same-side castling: 3Did not castle: 1Castled queenside: 1
Played in the center: 3Played on the kingside: 1Played on the queenside: 1
Backward pawn: 4Space advantage: 4Sacrificed material: 4Initiated exchanges: 4Missed tactics: 2Kept the bishop pair: 2Active pieces: 2Isolated pawn: 1Avoided exchanges: 1
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Openings

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As White 3 games 2W 0D 1L
Rapport-Jobava System 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Benoni Defense 1 game 1W 0D 0L
French Benoni 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 2 games 0W 1D 1L
Queen's Pawn Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Caro-Kann Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Botvinnik-Carls Defense 1 game 0W 1D 0L
Blunders Top 4 of 28

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

2025.02.01 · 26... Rxd2 (−32.8% win chance) 1/2-1/2
O`briain, Colm
Duppalapudi, Shreyansh
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2025.02.02 · 15... f6 (−29.7% win chance) 1-0
O`briain, Colm
Cunningham, Finn
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2025.02.02 · 13... Ne8 (−19.9% win chance) 1-0
O`briain, Colm
Cunningham, Finn
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2025.01.31 · 5. Nf3 (−19% win chance) 1-0
Nair, Ishaan M
O`briain, Colm
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Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves