Player profile
Villegas Trejo, Octavio Santiago
Dossier
2 of 21 games analyzed.
Accuracy: 81.2%
Castled kingside: 2Same-side castling: 2
Played in the center: 1Fianchettoed queenside: 1Played on the queenside: 1
Backward pawn: 2Initiated exchanges: 2Missed tactics: 2Isolated pawn: 1Kept the bishop pair: 1Space advantage: 1
Openings
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As White 9 games 0W 1D 8L
French Defense 2 games 0W 0D 2L
Advance Variation 2 games 0W 0D 2L
(unspecified)
1 game
0W
0D
1L
Euwe Variation
1 game
0W
0D
1L
Ruy Lopez 2 games 0W 0D 2L
Exchange Variation 2 games 0W 0D 2L
(unspecified)
1 game
0W
0D
1L
Keres Variation
1 game
0W
0D
1L
Caro-Kann Defense 2 games 0W 0D 2L
Advance Variation 1 game 0W 0D 1L
Short Variation
1 game
0W
0D
1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scandinavian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzowitsch Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 12 games 0W 1D 11L
Slav Defense 2 games 0W 0D 2L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Quiet Variation 1 game 0W 0D 1L
Schallopp Defense
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Pawn Game 1 game 0W 0D 1L
Zukertort Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
Scandinavian Defense
1 game
0W
0D
1L
Philidor Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bird Opening 1 game 0W 0D 1L
Dutch Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Pawn Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Neo-Arkhangelsk Variation
1 game
0W
0D
1L
Zukertort Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Semi-Slav Defense 1 game 0W 0D 1L
Chigorin Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Four Knights Game 1 game 0W 0D 1L
Italian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 8
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 21 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.15 | Round 11: Villegas Trejo, Octavio Santiago - Valadez Sepulveda, Joel Isaac | 11.58 | 2026.06.15 Valadez Sepulveda, Joel Isaac (5180520) (1865) | 0 | - | 1. e4 e6 2. e5 d5 3. d4 c5 | |
| 2026.06.13 | Round 10: Villegas Trejo, Octavio Santiago - Morales Segura, Francisco | 10.60 | 2026.06.13 Morales Segura, Francisco Isaac (5127246) (1736) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.06.10 | Round 9: Sosa Guzman, Daniel - Villegas Trejo, Octavio Santiago | 9.62 | 2026.06.10 Sosa Guzman, Daniel (550009001) | ½ | - | 1. d4 d5 2. c4 c6 3. Nc3 e6 | |
| 2026.06.10 | Round 8: Villegas Trejo, Octavio Santiago - Gadea, Fernando | 8.59 | 2026.06.10 Gadea, Fernando (171620) (1827) | 0 | - | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.06.09 | Round 6: Vargas Ramos, Rogelio Alberto - Villegas Trejo, Octavio Santiago | 6.63 | 2026.06.09 Vargas Ramos, Rogelio Alberto (6600492) (1715) | 0 | - | 1. d4 d5 2. Nf3 f5 3. c4 e6 | |
| 2026.06.08 | Round 9: Villegas Trejo, Octavio Santiago - Sosa Guzman, Daniel | 9.33 | 2026.06.08 Sosa Guzman, Daniel (550009001) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.06.08 | Round 8: Villegas Trejo, Octavio Santiago - Duarte Cramer, Evelynn Renata | 8.33 | 2026.06.08 Duarte Cramer, Evelynn Renata (29620198) (1663) | 0 | - | 1. e4 c5 2. e5 Nc6 3. f4 b6 | |
| 2026.06.08 | Round 7: Rubio Mora, Lenner Atlai - Villegas Trejo, Octavio Santiago | 7.33 | 2026.06.08 Rubio Mora, Lenner Atlai | 0 | - | 1. Nf3 d5 2. c4 Nf6 3. e3 c5 | |
| 2026.06.08 | Round 6: Luna Monsalve, Sofia - Villegas Trejo, Octavio Santiago | 6.33 | 2026.06.08 Luna Monsalve, Sofia (4486846) (1949) | 0 | - | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2026.06.08 | Round 5: Villegas Trejo, Octavio Santiago - Padilla Liceaga, Jorge | 5.33 | 2026.06.08 Padilla Liceaga, Jorge (5102642) (1957) | 0 | - | 1. e4 c6 2. e5 d5 3. d4 Bf5 | |
| 2026.06.08 | Round 4: Vazquez Pineda, Jorge Hector - Villegas Trejo, Octavio Santiago | 4.33 | 2026.06.08 Vazquez Pineda, Jorge Hector (5154308) (1843) | 0 | - | 1. e4 e5 2. Nf3 d6 3. Bc4 a6 | |
| 2026.06.08 | Round 3: Villegas Trejo, Octavio Santiago - Ibarra Bautista, Nimrod | 3.33 | 2026.06.08 Ibarra Bautista, Nimrod (5109973) (1860) | 0 | - | 1. e4 d5 2. e5 c5 3. Nf3 Bf5 | |
| 2026.06.08 | Round 2: Jackson, Leo Daniel Olivera - Villegas Trejo, Octavio Santiago | 2.33 | 2026.06.08 Jackson, Leo Daniel Olivera (39926818) (1901) | 0 | - | 1. f4 d5 2. Nf3 Nc6 3. e3 Bg4 | |
| 2026.06.08 | Round 1: Argote Heredia, Valentina - Villegas Trejo, Octavio Santiago | 1.34 | 2026.06.08 Argote Heredia, Valentina (4431022) (1990) | 0 | - | ||
| 2026.06.07 | Round 5: Barrios Cruz, Mario Antonio - Villegas Trejo, Octavio Santiago | 5.61 | 2026.06.07 Barrios Cruz, Mario Antonio (5179319) (1766) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.06.07 | Round 4: Villegas Trejo, Octavio Santiago - Moccero, Eduardo | 4.62 | 2026.06.07 Moccero, Eduardo (103373) (1746) | ½ | - | 1. e4 Nc6 2. c3 g6 3. d4 d6 | |
| 2026.06.05 | Round 3: Escobar Alfaro, Salvador - Villegas Trejo, Octavio Santiago | 3.62 | 2026.06.05 Escobar Alfaro, Salvador (5101689) (1830) | 0 | - | 1. d4 d5 2. c4 c6 3. Nf3 Bf5 | |
| 2026.06.04 | Round 2: Villegas Trejo, Octavio Santiago - Telles Fukushima, Karla Akemi | 2.62 | 2026.06.04 Telles Fukushima, Karla Akemi (5139244) (1943) | 0 | - | 1. e4 c6 2. e5 d6 3. f4 Bf5 | |
| 2026.06.04 | Round 1: Diaz Guerrero, Jesus Daniel - Villegas Trejo, Octavio Santiago | 1.63 | 2026.06.04 Diaz Guerrero, Jesus Daniel (3979288) (2102) | 0 | - | 1. Nf3 d5 2. e3 Nc6 3. d4 f6 | |
| 2025.11.14 | Round 2: Tellez Escalante, Miguel Angel - Villegas Trejo, Octavio Santiago | 2.6 | 2025.11.14 Tellez Escalante, Miguel Angel (29620910) (1563) | 0 | 88.50% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2025.07.19 | Ronda 3: Cortes Guzman, Cristobal Andres - Trejo Octavio Santiago Villegas | 3.10 | 2025.07.19 Cortes Guzman, Cristobal Andres (5195772) (1674) | 0 | 73.80% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 |