Player profile
Tapia Ostolaza, Alexei
Dossier
35 of 39 games analyzed.
Accuracy: 89.7%
Opened Nf3: 16/16
Castled kingside: 29Same-side castling: 27Did not castle: 3Opposite-side castling: 2Castled queenside: 1
Fianchettoed queenside: 18Fianchettoed kingside: 16Played in the center: 9Played on the queenside: 8Played on the kingside: 6
Backward pawn: 27Space advantage: 23Initiated exchanges: 23Kept the bishop pair: 21Active pieces: 17Sacrificed material: 16Isolated pawn: 15Missed tactics: 9Avoided exchanges: 6Played gambits: 2
Openings
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As White 17 games 10W 4D 2L
King's Indian Attack 5 games 2W 2D 1L
Symmetrical Defense 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Double Fianchetto 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 5 games 2W 1D 1L
Dutch Variation 2 games 0W 0D 1L
(unspecified)
2 games
0W
0D
1L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 3 games 3W 0D 0L
Agincourt Defense 2 games 2W 0D 0L
Neo-Catalan Declined
2 games
2W
0D
0L
Symmetrical Variation 1 game 1W 0D 0L
Botvinnik System Reversed, with Nf3
1 game
1W
0D
0L
King's Indian Attack, with e6 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Queen's Pawn Game 1 game 1W 0D 0L
Chigorin Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Réti Opening 1 game 1W 0D 0L
Anglo-Slav Variation 1 game 1W 0D 0L
with g3
1 game
1W
0D
0L
As Black 20 games 6W 7D 7L
Sicilian Defense 12 games 4W 5D 3L
French Variation 5 games 1W 3D 1L
(unspecified)
4 games
0W
3D
1L
Open
1 game
1W
0D
0L
Taimanov Variation 4 games 1W 2D 1L
Bastrikov Variation, English Attack
2 games
0W
1D
1L
Bastrikov Variation
1 game
0W
1D
0L
(unspecified)
1 game
1W
0D
0L
Delayed Alapin Variation 2 games 2W 0D 0L
with e6
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Kan Variation 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
Semi-Slav Defense 2 games 1W 0D 1L
Main Line 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Indian Defense 2 games 1W 1D 0L
Accelerated London System 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Nimzo-Indian Defense 2 games 0W 0D 2L
Kmoch Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 0W 1D 0L
Orthodox Defense 1 game 0W 1D 0L
Swiss, Carlsbad Variation
1 game
0W
1D
0L
Queen's Indian Defense 1 game 0W 0D 1L
Capablanca Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 143
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 39 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.27 | Olymp 2026 Open | 11.2 | 2026.09.27 Bersamina, Paulo (5206995) (2398) | 0 | 86.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.09.26 | Olymp 2026 Open | 10.14 | 2026.09.26 Sirosh, Ilja (4500458) (2385) | ½ | 95.60% | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 | |
| 2026.09.25 | Olymp 2026 Open | 9.226 | 2026.09.25 Jele, Tapiwa (11002344) (2204) | ½ | 89.00% | 1. Nf3 Nf6 2. g3 g6 3. b3 b5 | |
| 2026.09.24 | Olymp 2026 Open | 8.138 | 2026.09.24 Vandenbussche, Thibaut (204412) (2411) | 1 | 63.30% | 1. e4 c5 2. Nf3 e6 3. c3 d5 | |
| 2026.09.23 | Olymp 2026 Open | 7.126 | 2026.09.23 Sousa, Andre Ventura (1917617) (2451) | ½ | 93.20% | 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 | |
| 2026.09.20 | Olymp 2026 Open | 5.242 | 2026.09.20 Jaiswal, Rupesh (12300870) (2151) | ½ | 98.00% | 1. e4 c5 2. Nf3 e6 3. g3 d5 | |
| 2026.09.19 | Olymp 2026 Open | 4.2 | 2026.09.19 Hafiz, Arif Abdul (7104227) (2428) | 0 | 81.80% | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 | |
| 2026.09.18 | Olymp 2026 Open | 3.282 | 2026.09.18 Matoewi, Roger (8200084) (1893) | 1 | 86.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.09.17 | Olymp 2026 Open | 2.14 | 2026.09.17 Tsaruk, Maksim (13511173) (2487) | 0 | 91.10% | 1. Nf3 f5 2. b4 Nf6 3. Bb2 e6 | |
| 2026.09.09 | Olymp 2026 Open | 1.373 | 2026.09.09 Tasso Jayson (241000307) (1827) | 1 | 88.00% | 1. Nf3 Nc6 2. d4 d5 3. g3 Bf5 | |
| 2026.08.30 | V Panama Chess Open 2026 | 9.5 | 2026.08.30 Fernandez Sanchez, Fernando Miguel (3802299) (2371) | ½ | 90.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.29 | V Panama Chess Open 2026 | 8.12 | 2026.08.29 Cueto Fernandez, Manuel Alejandro (3535916) (1858) | 1 | 97.10% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 | |
| 2026.08.29 | V Panama Chess Open 2026 | 7.7 | 2026.08.29 Araujo Sanchez, Josue (6416896) (2299) | ½ | 93.60% | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 | |
| 2026.08.28 | V Panama Chess Open 2026 | 6.12 | 2026.08.28 Brown Camano, Andres Camilo (6621945) (1885) | 1 | 95.50% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.08.27 | V Panama Chess Open 2026 | 5.6 | 2026.08.27 Sanchez Alvarez, Roberto Carlos (3508684) (2345) | 0 | 91.10% | 1. c4 Nf6 2. Nc3 c6 3. d4 d5 | |
| 2026.08.27 | V Panama Chess Open 2026 | 4.11 | 2026.08.27 Fabrega Van Der Laat, Jose Bernardo (6609686) (1999) | 1 | 96.20% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 | |
| 2026.08.27 | V Panama Chess Open 2026 | 3.3 | 2026.08.27 Barrientos, Sergio E (4401824) (2467) | 0 | 82.00% | 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 | |
| 2026.08.26 | V Panama Chess Open 2026 | 2.16 | 2026.08.26 Gonzalez Soto, Pedro Jose (3910288) (1955) | 1 | 95.90% | 1. Nf3 c5 2. g3 g6 3. c3 Nc6 | |
| 2026.08.25 | V Panama Chess Open 2026 | 1.16 | 2026.08.25 Garvin Mejia, Ricardo Luis (4401379) (1710) | 1 | 94.00% | 1. e4 c5 2. d4 cxd4 3. Nf3 e6 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 5.12 | 2025.10.30 Galvez Dastin, Eduardo (7300310) (2146) | ½ | 87.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 4.4 | 2025.10.30 Lizano Quiros, Matias Haziel (6543863) (2073) | 1 | 90.20% | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 3.12 | 2025.10.30 Guevara Ruiz, Santiago Jose (6708870) (2015) | 1 | 92.50% | 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 2.8 | 2025.10.30 Lacayo, Rene (6100031) (2229) | 0 | 78.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2025.10.28 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 5.10 | 2025.10.28 Valdes Romero, Leonardo (6500331) (2319) | ½ | 93.00% | 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 | |
| 2025.10.27 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 4.6 | 2025.10.27 Guevara Ruiz, Santiago Jose (6708870) (2140) | 0 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.10.26 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 3.6 | 2025.10.26 Sanchez, Steven (6102352) (2086) | 1 | - | 1. Nf3 c5 2. g3 Nc6 3. c4 e5 | |
| 2025.10.25 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 2.10 | 2025.10.25 Fernandez, Luis (8403074) (1955) | 1 | - | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2025.10.25 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 1.10 | 2025.10.25 Linares Orellana, Hector Jose (7304307) (2118) | 1 | - | 1. e4 c5 2. Nf3 e6 3. c3 d5 | |
| 2024.11.24 | Round 5: Leon Archibaldo, Orlando Andres - Tapia Ostolaza, Alexei | 5.2 | 2024.11.24 Leon Archibaldo, Orlando Andres (6600913) (2192) | ½ | 97.60% | 1. d4 Nf6 2. Bf4 e6 3. e3 d5 | |
| 2024.11.24 | Round 4: Tapia Ostolaza, Alexei - Mendez Machado, Andre | 4.10 | 2024.11.24 Mendez Machado, Andre (6603793) (2079) | ½ | 97.90% | 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2024.11.23 | Round 3: Fuentes Manrique, Adrian Alonso - Tapia Ostolaza, Alexei | 3.6 | 2024.11.23 Fuentes Manrique, Adrian Alonso (6600875) (2105) | ½ | 86.40% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | |
| 2024.11.23 | Round 2: Tapia Ostolaza, Alexei - Miranda Mesa, Elier | 2.6 | 2024.11.23 Miranda Mesa, Elier (3510697) (2520) | 1 | 89.30% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | |
| 2024.11.22 | Round 1: Sanchez Alvarez, Roberto Carlos - Tapia Ostolaza, Alexei | 1.10 | 2024.11.22 Sanchez Alvarez, Roberto Carlos (3508684) (2391) | 1 | 96.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2024.11.10 | Round 5: Berdayes Ason, Dylan Isidro - Tapia Ostolaza, Alexei | 5.9 | 2024.11.10 Berdayes Ason, Dylan Isidro (3516016) (2463) | 0 | 88.40% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.11.09 | Round 4: Tapia Ostolaza, Alexei - Nie Chen, Kelvin | 4.9 | 2024.11.09 Nie Chen, Kelvin (6619509) (1768) | 1 | 96.40% | 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 | |
| 2023.11.30 | Round 7: Henry Soto Hernandez - Alexei Tapia Ostolaza | 2023.11.30 Henry Soto Hernandez (2490) | 0 | 86.00% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.11.26 | Round 2: Alexei Tapia Ostolaza - Oscar De La Riva Aguado | 2023.11.26 Oscar De La Riva Aguado (2437) | * | 70.70% | 1. Nf3 f5 2. b3 d6 3. d4 Nf6 | ||
| 2023.05.23 | Round 11: Lelys Stanley Martinez Duany - Alexei Tapia Ostolaza | 2023.05.23 Lelys Stanley Martinez Duany | 0 | 84.10% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | ||
| 2023.05.17 | Round 4: Jose Lisandro Munoz Santana - Alexei Tapia Ostolaza | 2023.05.17 Jose Lisandro Munoz Santana | 0 | 83.90% | 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 |