Player profile
Pacheco Sierra, Diego Sebastian
Dossier
18 of 53 games analyzed.
Accuracy: 89.7%
Opened e4: 4/9Opened d4: 3/9Opened Nf3: 2/9
Castled kingside: 14Same-side castling: 13Did not castle: 4
Fianchettoed kingside: 6Played in the center: 5Fianchettoed queenside: 4Played on the kingside: 4Played on the queenside: 2
Sacrificed material: 16Initiated exchanges: 15Active pieces: 12Kept the bishop pair: 11Backward pawn: 10Space advantage: 9Isolated pawn: 8Missed tactics: 6Played gambits: 2Avoided exchanges: 2
Openings
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As White 25 games 11W 2D 12L
Sicilian Defense 5 games 2W 1D 2L
Alapin Variation 2 games 2W 0D 0L
(unspecified)
1 game
1W
0D
0L
Barmen Defense
1 game
1W
0D
0L
Löwenthal Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Variations 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
Queen's Pawn Game 4 games 2W 0D 2L
London System 3 games 1W 0D 2L
(unspecified)
2 games
0W
0D
2L
with e6
1 game
1W
0D
0L
Symmetrical Variation 1 game 1W 0D 0L
Pseudo-Catalan
1 game
1W
0D
0L
English Opening 3 games 2W 0D 1L
Symmetrical Variation 2 games 1W 0D 1L
(unspecified)
1 game
0W
0D
1L
Three Knights Variation
1 game
1W
0D
0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grünfeld Defense 3 games 0W 1D 2L
Three Knights Variation 3 games 0W 1D 2L
Burille Variation, Reversed Tarrasch
1 game
0W
0D
1L
Hungarian Variation
1 game
0W
0D
1L
Burille Variation
1 game
0W
1D
0L
Caro-Kann Defense 2 games 2W 0D 0L
Advance Variation 1 game 1W 0D 0L
Botvinnik-Carls Defense
1 game
1W
0D
0L
Accelerated Panov Attack 1 game 1W 0D 0L
Modern Variation
1 game
1W
0D
0L
Indian Defense 2 games 0W 0D 2L
Budapest Gambit Accepted 1 game 0W 0D 1L
Main Line, Adler Variation
1 game
0W
0D
1L
Przepiorka Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
Ragozin Variation
1 game
1W
0D
0L
King's Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
King's Knight Variation
1 game
1W
0D
0L
Tarrasch Defense 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Giuoco Pianissimo
1 game
0W
0D
1L
French Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Traditional Variation, Nimzowitsch Line
1 game
1W
0D
0L
As Black 28 games 12W 5D 11L
Ruy Lopez 7 games 3W 2D 2L
Berlin Defense 6 games 3W 1D 2L
Anti-Berlin Variation
4 games
2W
0D
2L
(unspecified)
1 game
0W
1D
0L
Anti-Berlin Variation, Duras Variation
1 game
1W
0D
0L
Morphy Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Pawn Game 6 games 4W 0D 2L
Colle System 3 games 1W 0D 2L
Anti-Colle
2 games
0W
0D
2L
Grünfeld Formation
1 game
1W
0D
0L
Symmetrical Variation 2 games 2W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pseudo-Catalan
1 game
1W
0D
0L
London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pirc Defense 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Byrne Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 2 games 1W 1D 0L
Classical Variation 2 games 1W 1D 0L
Giuoco Pianissimo, Albin Variation
1 game
1W
0D
0L
Giuoco Pianissimo
1 game
0W
1D
0L
Queen's Gambit Declined 2 games 0W 1D 1L
Orthodox Defense 1 game 0W 0D 1L
Rauzer Variation
1 game
0W
0D
1L
Exchange Variation 1 game 0W 1D 0L
Reshevsky Variation
1 game
0W
1D
0L
Slav Defense 2 games 1W 0D 1L
Quiet Variation 2 games 1W 0D 1L
(unspecified)
1 game
0W
0D
1L
Schallopp Defense
1 game
1W
0D
0L
Zukertort Opening 2 games 0W 1D 1L
Reversed Grünfeld 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Catalan Opening 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Petrov's Defense 1 game 0W 0D 1L
Millennium Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 1W 0D 0L
King's English Variation 1 game 1W 0D 0L
Four Knights Variation, Fianchetto Line, with .. d6, Be7
1 game
1W
0D
0L
Scotch Game 1 game 0W 0D 1L
Scotch Gambit 1 game 0W 0D 1L
Advance Variation
1 game
0W
0D
1L
Sicilian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 103
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 53 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.10 | Round 11: Leon Infante, Bryan - Pacheco Sierra, Diego Sebastian | 11.33 | 2026.06.10 Leon Infante, Bryan (3536173) (2162) | 1 | 91.60% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2026.06.09 | Round 10: Pacheco Sierra, Diego Sebastian - Gonzalez Zharikov, Andrey | 10.39 | 2026.06.09 Gonzalez Zharikov, Andrey (5145287) (2212) | 1 | 97.60% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2026.06.08 | Round 9: Argote Heredia, Valentina - Pacheco Sierra, Diego Sebastian | 9.33 | 2026.06.08 Argote Heredia, Valentina (4431022) (2167) | 0 | 86.70% | 1. e4 d6 2. d4 Nf6 3. Bd3 g6 | |
| 2026.06.08 | Round 9: Pacheco Sierra, Diego Sebastian - Valadez Sepulveda, Joel Isaac | 9.26 | 2026.06.08 Valadez Sepulveda, Joel Isaac (5180520) (1894) | 1 | - | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 | |
| 2026.06.08 | Round 8: Vazquez Pineda, Jorge Hector - Pacheco Sierra, Diego Sebastian | 8.21 | 2026.06.08 Vazquez Pineda, Jorge Hector (5154308) (1843) | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.06.08 | Round 7: Pacheco Sierra, Diego Sebastian - Ordonez Gonzalez, Gabriel | 7.22 | 2026.06.08 Ordonez Gonzalez, Gabriel (4435400) (2060) | 0 | - | 1. Nf3 c5 2. c4 Nc6 3. g3 g6 | |
| 2026.06.08 | Round 6: Martinez Nestor, Ian Marco - Pacheco Sierra, Diego Sebastian | 6.28 | 2026.06.08 Martinez Nestor, Ian Marco (29699517) (1685) | 1 | - | 1. d4 d5 2. Bf4 Nf6 3. Nf3 c5 | |
| 2026.06.08 | Round 5: Pacheco Sierra, Diego Sebastian - Fogo Esquivel, Levi Kalani Alexander | 5.20 | 2026.06.08 Fogo Esquivel, Levi Kalani Alexander (5183189) (2139) | 0 | - | 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 | |
| 2026.06.08 | Round 4: Sosa Guzman, Daniel - Pacheco Sierra, Diego Sebastian | 4.31 | 2026.06.08 Sosa Guzman, Daniel (550009001) | 1 | - | 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 | |
| 2026.06.08 | Round 3: Pacheco Sierra, Diego Sebastian - Mendoza Osorio, Ernesto | 3.32 | 2026.06.08 Mendoza Osorio, Ernesto (29644950) (1837) | 1 | - | 1. e4 c5 2. c3 Nf6 3. d3 e5 | |
| 2026.06.08 | Round 2: Shaffer, Alexander - Pacheco Sierra, Diego Sebastian | 2.4 | 2026.06.08 Shaffer, Alexander (3100294) (1691) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.06.08 | Round 1: Pacheco Sierra, Diego Sebastian - Delgado Romero, Marco | 1.11 | 2026.06.08 Delgado Romero, Marco (3832457) (2376) | 0 | - | 1. Nf3 g6 2. d4 Bg7 3. c4 c5 | |
| 2026.06.07 | Round 8: Pacheco Sierra, Diego Sebastian - Mogollon Tobar, Nicolle Julieth | 8.32 | 2026.06.07 Mogollon Tobar, Nicolle Julieth (4452194) (2103) | ½ | 89.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.06.07 | Round 5: Shaffer, Alexander - Pacheco Sierra, Diego Sebastian | 5.49 | 2026.06.07 Shaffer, Alexander (3100294) (1691) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.06.07 | Round 4: Caicedo Rios, Layla Yasmira - Pacheco Sierra, Diego Sebastian | 4.55 | 2026.06.07 Caicedo Rios, Layla Yasmira (6609279) (1820) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.06.06 | Round 7: Diaz Gonzalez, Ana Sofia - Pacheco Sierra, Diego Sebastian | 7.44 | 2026.06.06 Diaz Gonzalez, Ana Sofia (4492927) (1883) | 1 | 86.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.06.06 | Round 9: Pacheco Sierra, Diego Sebastian - Noboa Silva, Kevin | 9.11 | 2026.06.06 Noboa Silva, Kevin (3618471) (2310) | 0 | - | 1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 | |
| 2026.06.06 | Round 8: Diaz Rosas, Julio Cesar - Pacheco Sierra, Diego Sebastian | 8.9 | 2026.06.06 Diaz Rosas, Julio Cesar (5105099) (2201) | 0 | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.06.06 | Round 7: Pacheco Sierra, Diego Sebastian - Toro Castaneda, Elizabeth | 7.15 | 2026.06.06 Toro Castaneda, Elizabeth (4429559) (2044) | 1 | - | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 | |
| 2026.06.06 | Round 6: Ordonez Gonzalez, Gabriel - Pacheco Sierra, Diego Sebastian | 6.16 | 2026.06.06 Ordonez Gonzalez, Gabriel (4435400) (2105) | 1 | - | 1. d4 d5 2. Nf3 Nf6 3. g3 c5 | |
| 2026.06.06 | Round 4: Reyes Zavaleta, Fabian Ricardo - Pacheco Sierra, Diego Sebastian | 4.15 | 2026.06.06 Reyes Zavaleta, Fabian Ricardo (3844153) (2178) | 0 | - | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.06.06 | Round 3: Pacheco Sierra, Diego Sebastian - Luna Rodriguez, Sebastian | 3.24 | 2026.06.06 Luna Rodriguez, Sebastian (5154782) (1808) | 1 | - | 1. e4 c6 2. c4 d5 3. exd5 cxd5 | |
| 2026.06.06 | Round 2: Luna Monsalve, Sofia - Pacheco Sierra, Diego Sebastian | 2.24 | 2026.06.06 Luna Monsalve, Sofia (4486846) (1779) | ½ | - | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2026.06.06 | Round 1: Pacheco Sierra, Diego Sebastian - Diaz Perez, Michel Alejandro | 1.6 | 2026.06.06 Diaz Perez, Michel Alejandro (3517179) (2457) | 0 | - | 1. Nf3 d5 2. d4 e6 3. c4 c5 | |
| 2026.06.05 | Round 6: Pacheco Sierra, Diego Sebastian - Varela Velazquez, Carlos Francisco | 6.33 | 2026.06.05 Varela Velazquez, Carlos Francisco (5139287) (2269) | 0 | 85.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.06.05 | Round 5: Pacheco Sierra, Diego Sebastian - Garcia Espinoza, Yosed Emanuel | 5.23 | 2026.06.05 Garcia Espinoza, Yosed Emanuel (5126002) (1813) | 1 | - | 1. Nf3 d5 2. c4 e6 3. e3 Nf6 | |
| 2026.06.04 | Round 3: Pacheco Sierra, Diego Sebastian - Carvalho, Guillermo | 3.47 | 2026.06.04 Carvalho, Guillermo (3000311) (2059) | 0 | - | 1. d4 Nf6 2. Nf3 d5 3. Bf4 c6 | |
| 2026.06.04 | Round 2: Galvan Rodriguez, Irving Gamaliel - Pacheco Sierra, Diego Sebastian | 2.51 | 2026.06.04 Galvan Rodriguez, Irvin Gamaliel (29630061) (1755) | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.06.04 | Round 1: Pacheco Sierra, Diego Sebastian - Lopez Rayo, Santiago | 1.18 | 2026.06.04 Lopez Rayo, Santiago (4455665) (2418) | 0 | - | 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 | |
| 2025.12.20 | Round 9: Wuaustorf Montalvo, Juan Carlos - Pacheco Sierra, Diego Sebastian | 18.27 | 2025.12.20 Wuaustorf Montalvo, Juan Carlos (396111330) | 1 | - | 1. d4 Nf6 2. Nf3 d5 3. c4 c6 | |
| 2025.12.20 | Round 7: Luna Javier, Edgar Froylan - Pacheco Sierra, Diego Sebastian | 16.14 | 2025.12.20 Luna Javier, Edgar Froylan (5120101) (2122) | 0 | - | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 | |
| 2025.12.20 | Round 5: Pacheco Sierra, Diego Sebastian - Alfaro, William | 14.15 | 2025.12.20 Alfaro, William (6100457) (2107) | 0 | - | 1. d4 Nf6 2. Nf3 g6 3. g3 c5 | |
| 2025.12.20 | Round 4: Diaz Rosas, Julio Cesar - Pacheco Sierra, Diego Sebastian | 13.7 | 2025.12.20 Diaz Rosas, Julio Cesar (5105099) (2292) | 0 | - | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2025.12.19 | Round 3: Palma Villanueva, Miguel Tadeo - Pacheco Sierra, Diego Sebastian | 12.16 | 2025.12.19 Palma Villanueva, Miguel Tadeo (5133483) (2171) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.12.19 | Round 2: Pacheco Sierra, Diego Sebastian - Zacarias Rodriguez, Santiago | 11.13 | 2025.12.19 Zacarias Rodriguez, Santiago (5148367) (2240) | 1 | 89.90% | 1. Nf3 Nf6 2. d4 d5 3. g3 e6 | |
| 2025.12.19 | Round 9: Pacheco Sierra, Diego Sebastian - Gamboa Alvarado, Olga Leticia | 9.21 | 2025.12.19 Gamboa Alvarado, Olga Leticia (6502270) (1919) | 0 | 81.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.12.18 | Round 8: Gutierrez Espinosa, Karen - Pacheco Sierra, Diego Sebastian | 8.22 | 2025.12.18 Gutierrez Espinosa, Karen (3513238) (2012) | 0 | 89.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.12.18 | Round 7: Obregon Garcia, Roxangel - Pacheco Sierra, Diego Sebastian | 7.19 | 2025.12.18 Obregon Garcia, Roxangel (3520420) (2132) | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.12.17 | Round 6: Pacheco Sierra, Diego Sebastian - Luna Javier, Edgar Froylan | 6.19 | 2025.12.17 Luna Javier, Edgar Froylan (5120101) (2139) | ½ | - | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 | |
| 2025.12.17 | Round 5: Morales Viscaya, Joel Artemio - Pacheco Sierra, Diego Sebastian | 5.23 | 2025.12.17 Morales Viscaya, Joel Artemio (5157021) (1806) | 1 | 92.00% | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | |
| 2025.12.15 | Round 1: Hidalgo Diaz, Daniel - Pacheco Sierra, Diego Sebastian | 1.15 | 2025.12.15 Hidalgo Diaz, Daniel (3528758) (2380) | 0 | - | 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 | |
| 2025.11.16 | Round 5: Pacheco Sierra, Diego Sebastian - Abreu Gongora, Miguel Angel | 5.3 | 2025.11.16 Abreu Gongora, Miguel Angel (5107431) | 0 | - | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | |
| 2025.11.16 | Round 4: Abreu Mateo, Miguel Angel - Pacheco Sierra, Diego Sebastian | 4.3 | 2025.11.16 Abreu Mateo, Miguel Angel (29682118) | ½ | - | 1. d4 d5 2. Nf3 Nf6 3. g3 c5 | |
| 2025.11.16 | Round 3: Pacheco Sierra, Diego Sebastian - Cejas Martinez, Ivan Jesus | 3.2 | 2025.11.16 Cejas Martinez, Ivan Jesus (29658446) (2024) | 0 | 93.00% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2025.11.16 | Round 2: Verazaluce Quiroz, Francis - Pacheco Sierra, Diego Sebastian | 2.4 | 2025.11.16 Verazaluce Quiroz, Francisco (5111960) | 1 | 91.50% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2025.11.16 | Round 1: Pacheco Sierra, Diego Sebastian - Herrera Navedo, Rafael Alonso | 1.5 | 2025.11.16 Herrera Navedo, Rafael Alonso (29694116) | 1 | 89.00% | 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 | |
| 2025.09.27 | Ronda 5: Pacheco Sierra, Diego Sebastian - Cardos Castillo, Carlos A | 5.5 | 2025.09.27 Cardos Castillo, Carlos A (5163870) (1755) | 1 | - | 1. e4 c5 2. Nf3 g6 3. c3 d5 | |
| 2025.09.27 | Ronda 1: Arcila Villanueva, Carlos - Pacheco Sierra, Diego Sebastian | 1.5 | 2025.09.27 Arcila Villanueva, Carlos (5113296) (1881) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2024.12.18 | Ronda 7: Diego Sebastian Pacheco Sierra - Del Carpio Gallegos, Gonzalo | 7.19 | 2024.12.18 Del Carpio Gallegos, Gonzalo (5180210) (1842) | 1 | 83.80% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 | |
| 2024.12.17 | Ronda 6: Ortiz Hernandez, Ricardo Paul - Diego Sebastian Pacheco Sierra | 6.25 | 2024.12.17 Ortiz Hernandez, Ricardo Paul (5111587) (1891) | 1 | 94.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.12.16 | Ronda 4: Reyes Serrano, Jose de Jesus - Diego Sebastian Pacheco Sierra | 4.24 | 2024.12.16 Reyes Serrano, Jose de Jesus (5183910) (1922) | 0 | 88.90% | 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 | |
| 2024.12.16 | Ronda 3: Diego Sebastian Pacheco Sierra - Yanez Espinola, Jose Manuel | 3.28 | 2024.12.16 Yanez Espinola, Jose Manuel (29639565) (1844) | 1 | 92.40% | 1. d4 d5 2. Nf3 Nf6 3. g3 e6 | |
| 2024.12.15 | Ronda 2: Bou Part, Jose Juan - Diego Sebastian Pacheco Sierra | 2.25 | 2024.12.15 Bou Part, Jose Juan (2214768) (1938) | 0 | 91.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 |