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Player profile

OBrien, James Joseph

Standard: 1968 Rapid: 1776 Blitz: 1828 (last updated 2026-11-02)
FIDE ID: 2518813 (view FIDE profile)
Federation: IRL Sex: M Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 2 (22%) Draws: 4 (44%) Losses: 3 (33%)
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Dossier

9 of 9 games analyzed.

Accuracy: 90.6%
Opened e4: 5/5
Castled kingside: 6Same-side castling: 5Opposite-side castling: 3Castled queenside: 2Did not castle: 1
Played in the center: 5Fianchettoed kingside: 4Played on the kingside: 2Played on the queenside: 1
Active pieces: 7Space advantage: 6Initiated exchanges: 6Backward pawn: 5Kept the bishop pair: 5Sacrificed material: 4Missed tactics: 3Isolated pawn: 2Avoided exchanges: 2Played gambits: 1
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Openings

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As White 5 games 1W 2D 2L
Alekhine Defense 2 games 0W 1D 1L
Sämisch Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Scandinavian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 2 games 1W 0D 1L
Winawer Variation 1 game 0W 0D 1L
Bogoljubow Variation 1 game 0W 0D 1L
Steinitz Variation 1 game 1W 0D 0L
Boleslavsky Variation 1 game 1W 0D 0L
Sicilian Defense 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 4 games 1W 2D 1L
Bird Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
King's Knight Variation 1 game 0W 1D 0L
French Defense 1 game 1W 0D 0L
Tarrasch Variation 1 game 1W 0D 0L
Guimard Defense, Main Line 1 game 1W 0D 0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Two Knights Variation 1 game 0W 0D 1L
Blunders Top 4 of 35

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

2026.08.01 · 31... Qf7 (−36.4% win chance) 1-0
OBrien, James Joseph
Melaugh, Shane
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2026.08.05 · 31. hxg7+ (−33.9% win chance) 0-1
Murray, Benjamin
OBrien, James Joseph
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2026.08.07 · 44. Rc8+ (−32% win chance) 1/2-1/2
Rai, Oleksii
OBrien, James Joseph
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2026.08.02 · 26. Nd2 (−31.1% win chance) 0-1
Melaugh, Gavin
OBrien, James Joseph
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View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves