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Kiess Alfonso, Erwin S.

Standard: 1565 Rapid: 1649 Blitz: 1691 (last updated 2026-10-02)
FIDE ID: 3106780 (view FIDE profile)
Federation: PUR Sex: M Birth Year: 2005 Age: 21
Title: — Women's title: — Other title: — FOA title: —
Games: 4 Wins: 0 (0%) Draws: 2 (50%) Losses: 2 (50%)
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Dossier

1 of 4 games analyzed.

Accuracy: 88.6%
Castled kingside: 1Same-side castling: 1
Played on the queenside: 1
Isolated pawn: 1Backward pawn: 1Sacrificed material: 1Initiated exchanges: 1
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Openings

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As White 2 games 0W 0D 2L
Sicilian Defense 1 game 0W 0D 1L
Grand Prix Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Pirc Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Quiet System, Czech Defense 1 game 0W 0D 1L
As Black 2 games 0W 2D 0L
Grünfeld Defense 1 game 0W 1D 0L
Stockholm Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 1D 0L
Najdorf Variation 1 game 0W 1D 0L
English Attack 1 game 0W 1D 0L
Blunders Top 4 of 6

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

2025.04.15 · 29... Rd8 (−21.7% win chance) 1/2-1/2
Kiess Alfonso, Erwin S.
Suarez Pinto, Sergio Rafael
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2025.04.15 · 35... b4 (−16.6% win chance) 1/2-1/2
Kiess Alfonso, Erwin S.
Suarez Pinto, Sergio Rafael
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2025.04.15 · 11... O-O (−16.5% win chance) 1/2-1/2
Kiess Alfonso, Erwin S.
Suarez Pinto, Sergio Rafael
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2025.04.15 · 18... Nb8 (−12.4% win chance) 1/2-1/2
Kiess Alfonso, Erwin S.
Suarez Pinto, Sergio Rafael
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Games Showing all 4 games
Date Event Round Color Opponent Result Accuracy % First moves