Player profile

Rosas Valdes, Javier Alfonso

Standard: 1600 Rapid: 1634 Blitz: 1476 (last updated 2026-11-02)

FIDE ID: 6609147 (view FIDE profile)

Federation: PAN Sex: M Birth Year: 2011 Age: 15

Title: — Women's title: — Other title: — FOA title: —

Games: 5 Wins: 2 (40%) Draws: 1 (20%) Losses: 2 (40%)

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Dossier

5 of 5 games analyzed.

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Openings

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As White 2 games 2W 0D 0L

Caro-Kann Defense 1 game 1W 0D 0L

Panov Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

French Defense 1 game 1W 0D 0L

Tarrasch Variation 1 game 1W 0D 0L

Open System, Süchting Line 1 game 1W 0D 0L

As Black 3 games 0W 1D 2L

Sicilian Defense 3 games 0W 1D 2L

(unspecified) 1 game 0W 0D 1L

Najdorf Variation 1 game 0W 0D 1L

English Attack 1 game 0W 0D 1L

Venice Attack 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Blunders Top 4 of 39

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

2026.02.26 · 49. b3 (−36.7% win chance) 1-0

Rodriguez Lopez, Jose Ivan

Rosas Valdes, Javier Alfonso

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2026.02.26 · 41. Rd3 (−24.5% win chance) 1-0

Rodriguez Lopez, Jose Ivan

Rosas Valdes, Javier Alfonso

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2026.02.26 · 17. Ba4 (−15.7% win chance) 1-0

Rodriguez Lopez, Jose Ivan

Rosas Valdes, Javier Alfonso

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2025.12.15 · 8... a6 (−15.2% win chance) 1/2-1/2

Rosas Valdes, Javier Alfonso

Rodriguez Lopez, Jose Ivan

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Games Showing all 5 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.02.27	NO HIDE - Nacional por categorias	4.18	2026.02.27 Simpson Miranda, Ian Andre (6631517) (1710)	0	90.40%	1. e4 c5 2. d3 Nc6 3. Nf3 d6
2026.02.27	NO HIDE - Nacional por categorias	3.18	2026.02.27 Oses Gonzalez, Luis David (6619274) (1769)	1	92.70%	1. e4 c6 2. c4 d5 3. exd5 cxd5
2026.02.26	NO HIDE - Nacional por categorias	2.18	2026.02.26 Rodriguez Lopez, Jose Ivan (6618790) (1776)	1	84.70%	1. e4 e6 2. d4 d5 3. Nd2 c5
2025.12.16	Round 4: Pacheco Calderon, Jarek - Rosas Valdes, Javier Alfonso	4.8	2025.12.16 Pacheco Calderon, Jarek (3111784) (1908)	0	90.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.12.15	Round 1: Rodriguez Lopez, Jose Ivan - Rosas Valdes, Javier Alfonso	1.7	2025.12.15 Rodriguez Lopez, Jose Ivan (6618790) (1833)	½	92.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4