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Bos, Yaro

Standard: 1521 Rapid: 0 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 1092731 (view FIDE profile)
Federation: NED Sex: M Birth Year: 2009 Age: 17
Title: — Women's title: — Other title: — FOA title: —
Games: 14 Wins: 5 (36%) Draws: 3 (21%) Losses: 6 (43%)
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Dossier

8 of 14 games analyzed.

Accuracy: 86%
Opened f4: 3/3
Opposite-side castling: 3Castled kingside: 3Castled queenside: 2Same-side castling: 2Did not castle: 1
Fianchettoed kingside: 3Played on the kingside: 2Played in the center: 2
Active pieces: 6Sacrificed material: 5Initiated exchanges: 5Space advantage: 3Missed tactics: 3Isolated pawn: 2Backward pawn: 2Kept the bishop pair: 1Avoided exchanges: 1
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Openings

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As White 3 games 1W 1D 1L
Bird Opening 3 games 1W 1D 1L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Dutch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 3 games 1W 1D 1L
Scotch Game 1 game 0W 1D 0L
Benima Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Three Knights Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 1 game 0W 0D 1L
Cozio Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 49

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

2026.08.05 · 54. Rg6+ (−45.2% win chance) 1-0
Van der Aa, Quinten
Bos, Yaro
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2026.08.04 · 17... Qb4 (−37.8% win chance) 1/2-1/2
Bos, Yaro
Zantingh, Kyo
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? · 56... Kb2 (−33.2% win chance) 1-0
Bos, Yaro
Van Deelen, Luca
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? · 18... fxe4 (−33.1% win chance) 1-0
Bos, Yaro
Van Deelen, Luca
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View blunders & mistakes
Games Showing all 14 games
Date Event Round Color Opponent Result Accuracy % First moves