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McBrien, Cillian

Standard: 1550 Rapid: 1447 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 2536145 (view FIDE profile)
Federation: IRL Sex: M Birth Year: 2008 Age: 18
Title: — Women's title: — Other title: — FOA title: —
Games: 8 Wins: 3 (38%) Draws: 1 (13%) Losses: 2 (25%) Other: 2
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Dossier

3 of 8 games analyzed.

Accuracy: 82.3%
Opened e4: 1/1
Castled kingside: 3Same-side castling: 3
Played in the center: 3Played on the queenside: 1
Active pieces: 3Initiated exchanges: 3Space advantage: 2Isolated pawn: 1Backward pawn: 1Kept the bishop pair: 1Sacrificed material: 1Missed tactics: 1
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Openings

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As White 5 games 1W 0D 2L
Ruy Lopez 3 games 1W 0D 0L
Cozio Defense 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Fianchetto Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Morphy Defense 1 game 0W 0D 0L
Anderssen Variation 1 game 0W 0D 0L
Alekhine Defense 1 game 0W 0D 1L
Two Pawns Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Milner-Barry Gambit 1 game 0W 0D 1L
As Black 3 games 2W 1D 0L
Scotch Game 1 game 0W 1D 0L
Schmidt Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Clemenz Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 12

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

2026.05.28 · 20... Rc3 (−67.5% win chance) 0-1
McBrien, Cillian
Pradeep Kumar, Kishan
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2026.05.28 · 31... d3 (−31.3% win chance) 1/2-1/2
McBrien, Cillian
Keogh, Sam
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2026.05.28 · 37... Rg3+ (−22.6% win chance) 1/2-1/2
McBrien, Cillian
Keogh, Sam
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2026.05.28 · 38... Rxh3 (−17% win chance) 1/2-1/2
McBrien, Cillian
Keogh, Sam
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View blunders & mistakes
Games Showing all 8 games
Date Event Round Color Opponent Result Accuracy % First moves