Player profile

Ruiz Perez, Sergio

Standard: 1473 Rapid: 1481 Blitz: 1479 (last updated 2026-10-02)

FIDE ID: 54781035 (view FIDE profile)

Federation: ESP Sex: M Birth Year: 2013 Age: 13

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

Games: 18 Wins: 6 (33%) Draws: 2 (11%) Losses: 10 (56%)

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Dossier

18 of 18 games analyzed.

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Openings

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As White 8 games 2W 1D 5L

Queen's Gambit Declined 3 games 0W 0D 3L

Harrwitz Attack 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Knight Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Semi-Slav Defense 1 game 0W 0D 1L

Accelerated Move Order 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Gambit Accepted 1 game 1W 0D 0L

Central Variation 1 game 1W 0D 0L

Alekhine System 1 game 1W 0D 0L

Dutch Defense 1 game 0W 1D 0L

Queen's Knight Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Benoni Defense 1 game 0W 0D 1L

Semi-Benoni 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Indian Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 10 games 4W 1D 5L

Sicilian Defense 6 games 2W 1D 3L

Najdorf Variation 2 games 0W 0D 2L

Adams Attack 1 game 0W 0D 1L

English Attack 1 game 0W 0D 1L

Modern Variations 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Delayed Alapin Variation 1 game 0W 1D 0L

with e6 1 game 0W 1D 0L

Alapin Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Closed 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Pawn Game 3 games 2W 0D 1L

Colle System 2 games 2W 0D 0L

Anti-Colle 2 games 2W 0D 0L

London System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Gambit Declined 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 120

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

2023.07.08 · 22. Nf6+ (−47.1% win chance) 1/2-1/2

Ruiz Bruque, Matias

Ruiz Perez, Sergio

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2023.07.06 · 34... Ka7 (−39.8% win chance) 1-0

Ruiz Perez, Sergio

Saiz Alonso De Armino, Daniel

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2023.04.15 · 19... Bxg3 (−38.5% win chance) 0-1

Ruiz Perez, Sergio

Pabon Hermann, David

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2023.07.08 · 47... Bf5 (−36.1% win chance) 1/2-1/2

Ruiz Perez, Sergio

Yanston, Kseniia

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Games Showing all 18 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2023.07.09	CE SUB 10 Rapido	9.39	2023.07.09 Magan Perez, Alex (54772362)	1	76.90%	1. e4 c5 2. Nf3 d6 3. Bc4 Nc6
2023.07.09	CE SUB 10 Rapido	8.32	2023.07.09 Petrashko, Vladyslav (34169733) (1228)	0	85.60%	1. d4 d5 2. c4 e6 3. Nc3 c6
2023.07.09	CE SUB 10 Rapido	7.21	2023.07.09 Manrique Garcia, Daniel (54764769) (1313)	0	78.10%	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2023.07.09	CE SUB 10 Rapido	6.14	2023.07.09 Pardo Ruiz, Beatriz (54702526) (1351)	0	78.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.07.09	CE SUB 10 Rapido	5.23	2023.07.09 Mayordomo Lopez, Ekaitz (94710317) (1348)	1	98.60%	1. d4 d5 2. Nf3 Nf6 3. e3 Bf5
2023.07.08	CE SUB 10 Rapido	4.35	2023.07.08 Munoz Xu, Lain (54781361) (1202)	1	91.10%	1. d4 d5 2. c4 dxc4 3. e4 Nf6
2023.07.08	CE SUB 10 Rapido	3.30	2023.07.08 Yanston, Kseniia (55634184) (1262)	½	73.60%	1. e4 c5 2. c3 e6 3. Nf3 Nc6
2023.07.08	CE SUB 10 Rapido	1.21	2023.07.08 Lema Fernandez, Javier (54782627) (1336)	0	85.60%	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2023.07.08	CE SUB 10.2023	9.39	2023.07.08 Ruiz Bruque, Matias (94788340)	½	73.90%	1. d4 f5 2. c4 Nf6 3. Nc3 e6
2023.07.07	CE SUB 10.2023	7.40	2023.07.07 Santonja Arias, Gael (94794235)	0	99.30%	1. d4 d5 2. c4 e6
2023.07.06	CE SUB 10.2023	6.24	2023.07.06 Saiz Alonso De Armino, Daniel (94729522) (1207)	0	85.40%	1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5
2023.07.05	CE SUB 10.2023	5.44	2023.07.05 Verdu Lajara, Daniel (94720851)	1	96.20%	1. d4 d5 2. Nf3 Nf6 3. e3 Bf5
2023.07.03	CE SUB 10.2023	1.5	2023.07.03 Roche Fraile, Carlos (54748470) (1554)	0	91.50%	1. e4 c5 2. c3 e6 3. d4 d5
2023.04.16	Camperonatos Menores Andalucia 2023	8.4	2023.04.16 Murillo Mu�oz, Miguel	0	91.80%	1. d4 d5 2. c4 e6 3. Nc3 Bb4
2023.04.16	Camperonatos Menores Andalucia 2023	7.3	2023.04.16 Llamas Rodriguez, Javier (54731992)	0	88.40%	1. d4 c5 2. d5 e5 3. e4 d6
2023.04.15	Camperonatos Menores Andalucia 2023	6.1	2023.04.15 Giraldez Requena, Hugo (54778964)	0	85.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.04.15	Camperonatos Menores Andalucia 2023	5.1	2023.04.15 Pabon Hermann, David (54764777)	1	89.30%	1. e4 c5 2. Nc3 e6 3. f4 Nc6
2023.04.15	Camperonatos Menores Andalucia 2023	4.2	2023.04.15 Galiano Puertas, David (54782589)	1	90.90%	1. d4 Nf6 2. e3 g6 3. Nf3 Bg7