Player profile
Sierra Castillo, Eyber
Dossier
41 of 43 games analyzed.
Accuracy: 86.4%
Opened d4: 12/23Opened e4: 11/23
Same-side castling: 28Castled kingside: 25Castled queenside: 12Opposite-side castling: 6Did not castle: 4
Played in the center: 13Played on the kingside: 13Fianchettoed queenside: 6Played on the queenside: 6Fianchettoed kingside: 3
Active pieces: 28Initiated exchanges: 26Backward pawn: 23Missed tactics: 21Sacrificed material: 19Kept the bishop pair: 15Space advantage: 14Isolated pawn: 11Avoided exchanges: 8Played gambits: 3
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 23 games 8W 3D 12L
Queen's Pawn Game 9 games 3W 1D 5L
London System 4 games 1W 0D 3L
(unspecified)
3 games
1W
0D
2L
with e6
1 game
0W
0D
1L
Barry Attack 4 games 2W 1D 1L
Tarzan Attack
3 games
2W
0D
1L
(unspecified)
1 game
0W
1D
0L
Colle System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Defense 5 games 0W 1D 4L
Alapin Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Delayed Alapin Variation 1 game 0W 0D 1L
with d6
1 game
0W
0D
1L
O'Kelly Variation 1 game 0W 1D 0L
Venice System
1 game
0W
1D
0L
Dragon Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Kan Variation 1 game 0W 0D 1L
Knight Variation
1 game
0W
0D
1L
Caro-Kann Defense 2 games 1W 0D 1L
Advance Variation 1 game 0W 0D 1L
Botvinnik-Carls Defense
1 game
0W
0D
1L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pirc Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scotch Game 1 game 1W 0D 0L
Lolli Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scandinavian Defense 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System, with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening
1 game
1W
0D
0L
As Black 20 games 7W 4D 9L
Italian Game 3 games 2W 1D 0L
Classical Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Giuoco Piano 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 3 games 0W 0D 3L
Morphy Defense 1 game 0W 0D 1L
Anderssen Variation
1 game
0W
0D
1L
Classical Variation 1 game 0W 0D 1L
Central Variation
1 game
0W
0D
1L
Berlin Defense 1 game 0W 0D 1L
Anti-Berlin Variation
1 game
0W
0D
1L
Scotch Game 3 games 0W 1D 2L
Scotch Gambit 2 games 0W 1D 1L
Göring Gambit Declined
1 game
0W
1D
0L
(unspecified)
1 game
0W
0D
1L
Potter Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 2 games 0W 1D 1L
Modern Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Symmetrical Variation 1 game 0W 1D 0L
Pseudo-Catalan
1 game
0W
1D
0L
English Opening 2 games 2W 0D 0L
King's English Variation 2 games 2W 0D 0L
Two Knights Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
King's Pawn Game 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Queen's Gambit Declined 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
Normal Line
1 game
1W
0D
0L
Caro-Kann Defense 1 game 0W 0D 1L
Karpov Variation 1 game 0W 0D 1L
Modern Variation, Kasparov Attack
1 game
0W
0D
1L
Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
French Defense 1 game 0W 0D 1L
King's Indian Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 258
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 43 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.10.28 | Round 7: Sierra Castillo, Eyber - Valencia Lopez, Rudiger Estiven | 7.10 | 2025.10.28 Valencia Lopez, Rudiger Estiven (4464338) (1646) | 0 | 80.10% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2025.10.28 | Round 6: Salazar Yandun, Daniel Alexander - Sierra Castillo, Eyber | 6.8 | 2025.10.28 Salazar Yandun, Daniel Alexander (144424159) (1728) | 0 | 88.00% | 1. d4 g6 2. c4 Bg7 3. Nc3 e6 | |
| 2025.10.28 | Round 5: Sierra Castillo, Eyber - Viasus Cuellar, Juan Diego | 5.5 | 2025.10.28 Viasus Cuellar, Juan Diego (4464346) (1927) | 0 | 82.80% | 1. e4 c5 2. c3 Nf6 3. Bd3 d5 | |
| 2025.10.28 | Round 4: Sierra Castillo, Eyber - Otero Portillo, Daniel Alejandro | 4.9 | 2025.10.28 Otero Portillo, Daniel Alejandro (144452888) (1672) | 1 | 94.00% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.10.28 | Round 3: Guevara Munoz, Jesus Geovanni - Sierra Castillo, Eyber | 3.13 | 2025.10.28 Guevara Munoz, Jesus Geovanni (144400039) (1572) | 1 | 92.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.10.28 | Round 2: Sierra Castillo, Eyber - Rumbo Rojas, Juan Pablo | 2.8 | 2025.10.28 Rumbo Rojas, Juan Pablo (144421176) | 0 | 87.20% | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | |
| 2025.10.28 | Round 1: Sebastian Rondano Pastrana - Sierra Castillo, Eyber | 1.16 | 2025.10.28 Sebastian Rondano Pastrana | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.10.28 | Round 6: Andrade Salcedo, Jorge Mario - Sierra Castillo, Eyber | 6.10 | 2025.10.28 Andrade Salcedo, Jorge Mario (4494997) (1773) | ½ | 84.50% | 1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 | |
| 2025.10.28 | Round 5: Sierra Castillo, Eyber - Garcia Siabato, Cristian Camilo | 5.9 | 2025.10.28 Garcia Siabato, Cristian Camilo (144428170) (1865) | ½ | 80.10% | 1. e4 c5 2. Nf3 a6 3. c3 e6 | |
| 2025.10.28 | Round 4: Otero Portillo, Daniel Alejandro - Sierra Castillo, Eyber | 4.12 | 2025.10.28 Otero Portillo, Daniel Alejandro (144452888) | 1 | 89.20% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 | |
| 2025.10.27 | Round 3: Sierra Castillo, Eyber - Figueroa Rincon, Cesar Fabian | 3.9 | 2025.10.27 Figueroa Rincon, Cesar Fabian (144400748) (1946) | 0 | 84.80% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2025.10.27 | Round 2: Ceron Pena, Didier Alexandro - Sierra Castillo, Eyber | 2.14 | 2025.10.27 Ceron Pena, Didier Alexandro (144472218) | 1 | 92.60% | 1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 | |
| 2025.10.27 | Round 1: Sierra Castillo, Eyber - Beltran Serna, Ian Samuel | 1.4 | 2025.10.27 Beltran Serna, Ian Samuel (4499662) (1958) | 0 | 82.80% | 1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 | |
| 2025.10.27 | Round 6: Mejia Romero, Arlon Maiko - Sierra Castillo, Eyber | 6.14 | 2025.10.27 Mejia Romero, Arlon Maiko (144440359) | 1 | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.10.26 | Round 5: Sierra Castillo, Eyber - Juan David Castro Silva | 5.16 | 2025.10.26 Juan David Castro Silva | 1 | 91.40% | 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 | |
| 2025.10.26 | Round 4: Sanchez Burgos, Carlos Antonio - Sierra Castillo, Eyber | 4.15 | 2025.10.26 Sanchez Burgos, Carlos Antonio (4482140) (1559) | 0 | 81.20% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2025.10.25 | Round 3: Sierra Castillo, Eyber - Rumbo Rojas, Juan Pablo | 3.13 | 2025.10.25 Rumbo Rojas, Juan Pablo (144421176) (1659) | 0 | 92.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.25 | Round 2: Valencia Lopez, Rudiger Estiven - Sierra Castillo, Eyber | 2.10 | 2025.10.25 Valencia Lopez, Rudiger Estiven (4464338) (1542) | ½ | 90.90% | 1. d4 Nf6 2. e3 e6 3. f4 b6 | |
| 2025.10.24 | Round 1: Sierra Castillo, Eyber - Bolanos Lopez, Juan Jacobo | 1.2 | 2025.10.24 Bolanos Lopez, Juan Jacobo (4495276) (2082) | 0 | 88.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.06.09 | Round 12: Sierra Castillo, Eyber - Galvez Lopez, Juan Martin | 2024.06.09 Galvez Lopez, Juan Martin (144415125) (1468) | 1 | 80.50% | 1. d4 d5 2. Bf4 Nf6 3. Nf3 c6 | ||
| 2024.06.09 | Round 11: Galvez Lopez, Juan Martin - Sierra Castillo, Eyber | 2024.06.09 Galvez Lopez, Juan Martin (144415125) (1468) | 0 | 88.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | ||
| 2024.06.09 | Round 10: Sierra Castillo, Eyber - Berty Diaz, Eloy David | 2024.06.09 Berty Diaz, Eloy David (144424108) (1515) | 1 | 70.20% | 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 | ||
| 2024.06.09 | Round 9: Berty Diaz, Eloy David - Sierra Castillo, Eyber | 2024.06.09 Berty Diaz, Eloy David (144424108) (1515) | 1 | 95.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | ||
| 2024.06.09 | Round 8: Figueroa Rincon, Cesar Fabian - Sierra Castillo, Eyber | 2024.06.09 Figueroa Rincon, Cesar Fabian (144400748) (1839) | 0 | 84.40% | 1. e4 e6 2. d3 d5 3. Nd2 Nc6 | ||
| 2024.06.09 | Round 7: Sierra Castillo, Eyber - Figueroa Rincon, Cesar Fabian | 2024.06.09 Figueroa Rincon, Cesar Fabian (144400748) (1839) | 0 | 85.20% | 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 | ||
| 2024.06.09 | Round 6: Sierra Castillo, Eyber - Beltran Serna, Ian Samuel | 2024.06.09 Beltran Serna, Ian Samuel (4499662) (1867) | 0 | 85.50% | 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 | ||
| 2024.06.09 | Round 5: Beltran Serna, Ian Samuel - Sierra Castillo, Eyber | 2024.06.09 Beltran Serna, Ian Samuel (4499662) (1867) | 0 | 87.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 | ||
| 2024.06.09 | Round 4: Sierra Castillo, Eyber - Negron Lizarazo, Juan Sebastian | 2024.06.09 Negron Lizarazo, Juan Sebastian (3936910) (1849) | ½ | 95.20% | 1. d4 Nf6 2. Bf4 g6 3. Nf3 d5 | ||
| 2024.06.09 | Round 3: Negron Lizarazo, Juan Sebastian - Sierra Castillo, Eyber | 2024.06.09 Negron Lizarazo, Juan Sebastian (3936910) (1849) | ½ | 89.60% | 1. e4 e5 2. d4 exd4 3. Nf3 Nc6 | ||
| 2024.06.09 | Round 2: Sierra Castillo, Eyber - Carlos Steven Arango Vanegas | 2024.06.09 Arango Vanegas, Carlos Steven (144440332) | 1 | 98.50% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | ||
| 2024.06.09 | Round 1: Carlos Steven Arango Vanegas - Sierra Castillo, Eyber | 2024.06.09 Arango Vanegas, Carlos Steven (144440332) | 1 | 77.10% | 1. e4 e5 2. g3 Nc6 3. Bg2 Bc5 | ||
| 2024.06.09 | Round 6: Sierra Castillo, Eyber - Cardona Duque, Juan Esteban | 2024.06.09 Cardona Duque, Juan Esteban (4495357) (1803) | 0 | 84.10% | 1. d4 d5 2. Bf4 e6 3. Nc3 Bd6 | ||
| 2024.06.09 | Round 5: Soto Ramirez, Andres Camilo - Sierra Castillo, Eyber | 2024.06.09 Soto Ramirez, Andres Camilo (4466209) (1786) | 0 | 86.40% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | ||
| 2024.06.09 | Round 4: Sierra Castillo, Eyber - Galvez Lopez, Juan Martin | 2024.06.09 Galvez Lopez, Juan Martin (144415125) (1602) | 1 | 89.20% | 1. d4 Nf6 2. Bf4 g6 3. Nc3 d6 | ||
| 2024.06.08 | Round 3: Rueda Rojas, Richard Alejandro - Sierra Castillo, Eyber | 2024.06.08 Rueda Rojas, Richard Alejandro (4491505) (2011) | 0 | 83.80% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | ||
| 2024.06.08 | Round 2: Sierra Castillo, Eyber - Paladines Pinzon, Samuel | 2024.06.08 Paladines Pinzon, Samuel (4480970) (1934) | ½ | 85.00% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 | ||
| 2024.06.08 | Round 7: Sierra Castillo, Eyber - Salazar Yandun, Daniel Alexander | 2024.06.08 Salazar Yandun, Daniel Alexander (144424159) (1560) | 0 | 65.00% | 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 | ||
| 2024.06.07 | Round 6: Cardona Duque, Juan Esteban - Sierra Castillo, Eyber | 2024.06.07 Cardona Duque, Juan Esteban (4495357) (1758) | 0 | 91.00% | 1. c4 Nf6 2. g3 e6 3. d4 d5 | ||
| 2024.06.07 | Round 5: Sierra Castillo, Eyber - Torres Diaz, Juan Manuel | 2024.06.07 Torres Diaz, Juan Manuel (144402058) | 1 | 84.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| 2024.06.06 | Round 4: Beltran Serna, Ian Samuel - Sierra Castillo, Eyber | 2024.06.06 Beltran Serna, Ian Samuel (4499662) (1765) | 0 | 87.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | ||
| 2024.06.06 | Round 3: Sierra Castillo, Eyber - Soto Ramirez, Andres Camilo | 2024.06.06 Soto Ramirez, Andres Camilo (4466209) (1930) | 0 | 83.50% | 1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 | ||
| 2024.06.05 | Round 2: Sierra Castillo, Eyber - Negron Lizarazo, Juan Sebastian | 2024.06.05 Negron Lizarazo, Juan Sebastian (3936910) (1854) | 1 | 87.10% | 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 | ||
| 2024.06.05 | Round 1: Sander Erlanyi Pinto Santos - Sierra Castillo, Eyber | 2024.06.05 Sander Erlanyi Pinto Santos | 1 | 95.00% | 1. e4 e5 2. Qg4 d5 3. Qf3 Nf6 |