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Machin Rivera, Mark

Standard: 2341 Rapid: 2310 Blitz: 2246 (last updated 2026-11-02)
FIDE ID: 3101126 (view FIDE profile)
Federation: PUR Sex: M Birth Year: 1989 Age: 37
Title: IM Women's title: — Other title: — FOA title: —
Games: 5 Wins: 5 (100%) Draws: 0 (0%) Losses: 0 (0%)
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Dossier

4 of 5 games analyzed.

Accuracy: 89.6%
Opened c4: 2/2
Castled kingside: 3Same-side castling: 2Did not castle: 1
Fianchettoed kingside: 4Fianchettoed queenside: 4Played on the queenside: 3Played on the kingside: 1
Kept the bishop pair: 4Space advantage: 4Initiated exchanges: 4Active pieces: 3Backward pawn: 3Sacrificed material: 3Isolated pawn: 1Missed tactics: 1
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Openings

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As White 3 games 3W 0D 0L
English Opening 3 games 3W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Neo-Catalan Declined 1 game 1W 0D 0L
Anglo-Dutch Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's English Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 2 games 2W 0D 0L
Modern Defense 1 game 1W 0D 0L
Standard Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 10

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

2026.10.17 · 27... Rd8 (−35.7% win chance) 0-1
Machin Rivera, Mark
Toro Cruz, Sebastian J.
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2026.10.17 · 33. Rc3 (−35.4% win chance) 1-0
Acevedo Harrison, Jose E.
Machin Rivera, Mark
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2026.10.17 · 6... a5 (−11.3% win chance) 0-1
Machin Rivera, Mark
Ramirez Laboy, Raye L.
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2026.10.17 · 19. Rac1 (−9.7% win chance) 1-0
Perez Quinones, Malcolm J.
Machin Rivera, Mark
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View blunders & mistakes
Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves