Player profile

Perez Rojas, Alonso

Standard: 1472 Rapid: 1518 Blitz: 1503 (last updated 2026-11-02)

FIDE ID: 3462013 (view FIDE profile)

Federation: CHI Sex: M Birth Year: 2015 Age: 11

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

Games: 7 Wins: 0 (0%) Draws: 0 (0%) Losses: 7 (100%)

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Dossier

6 of 7 games analyzed.

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Openings

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As White 2 games 0W 0D 2L

Sicilian Defense 1 game 0W 0D 1L

Closed 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Pawn Game 1 game 0W 0D 1L

London System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

As Black 5 games 0W 0D 5L

English Opening 2 games 0W 0D 2L

King's English Variation 1 game 0W 0D 1L

Botvinnik System 1 game 0W 0D 1L

Symmetrical Variation 1 game 0W 0D 1L

Hedgehog Defense 1 game 0W 0D 1L

French Defense 2 games 0W 0D 2L

Tarrasch Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Rubinstein Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

London System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 40

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

2026.02.04 · 26... Nf6 (−39.5% win chance) 1-0

Perez Rojas, Alonso

Passmore Bowman, Tobias

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2024.05.18 · 17. bxc5 (−28.7% win chance) 0-1

Marquez Rosas, Vicente

Perez Rojas, Alonso

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2026.07.02 · 26... Rc8 (−17.4% win chance) 1-0

Perez Rojas, Alonso

Vrsalovic Acuna. Stjepan Antonio

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2026.07.02 · 41... Bf1 (−17.3% win chance) 1-0

Perez Rojas, Alonso

Vrsalovic Acuna. Stjepan Antonio

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Games Showing all 7 games

Date	Event	Round	Opponent	Accuracy %	First moves
2026.07.02	CAMPEONATO NACIONAL ESCOLAR CATEGORIAS IMPARES 2026	9.8	2026.07.02 Vrsalovic Acuna. Stjepan Antonio (3472493) (1674)	81.60%	1. c4 e5 2. Nc3 Nc6 3. g3 g6
2026.02.04	Ronda 2: Passmore Bowman, Tobias - Perez Rojas, Alonso	2.8	2026.02.04 Passmore Bowman, Tobias (3459926) (1832)	72.70%	1. e4 e6 2. d4 d5 3. Nd2 dxe4
2026.01.21	Round 3: Lodge Bravo, Lucas - Perez Rojas, Alonso	3.8	2026.01.21 Lodge Bravo, Lucas (3467082) (1888)	86.20%	1. e4 e6 2. d4 d5 3. Nc3 dxe4
2026.01.11	III Itt Temuco 2026	3.46	2026.01.11 Vera Quijon, Lorenzo Vicente (3427382) (1794)	-	1. Nf3 c5 2. c4 b6 3. g3 Bb7
2025.12.07	XXI Festival Sudamericano de la Juventud 2025	3	2025.12.07 Chen Jara, Alejandro Pauler (3721159) (1651)	90.30%	1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7
2025.02.08	Ronda 8: Perez Rojas, Alonso - Munoz Venegas, Vicente	8.2	2025.02.08 Munoz Venegas, Vicente (3459535) (1680)	88.70%	1. e4 c5 2. Nc3 e6 3. Nf3 Nc6
2024.05.18	Round 2: Perez Rojas, Alonso - Marquez Rosas, Vicente		2024.05.18 Marquez Rosas, Vicente (3460126) (1722)	87.20%	1. d4 d5 2. Bf4 Nf6 3. Nf3 c5