Chess Games DB
Find player games & weaknesses
Log in
Player profile

Sebastian Rondano Pastrana

Games: 15 Wins: 7 (47%) Draws: 2 (13%) Losses: 6 (40%)
View all games
Dossier

14 of 15 games analyzed.

Accuracy: 85.6%
Opened e4: 6/6
Same-side castling: 11Castled kingside: 10Castled queenside: 4Opposite-side castling: 3
Played on the kingside: 9Fianchettoed kingside: 2Played in the center: 2Fianchettoed queenside: 1
Sacrificed material: 12Initiated exchanges: 9Backward pawn: 8Active pieces: 8Space advantage: 7Kept the bishop pair: 6Played gambits: 5Missed tactics: 4Isolated pawn: 4Avoided exchanges: 3
View full dossier Analyze this player's games
Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 7 games 2W 1D 4L
Sicilian Defense 2 games 1W 0D 1L
Smith-Morra Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Alapin Variation 1 game 0W 0D 1L
Smith-Morra Declined 1 game 0W 0D 1L
French Defense 2 games 1W 0D 1L
Classical Variation 2 games 1W 0D 1L
Shirov-Anand Variation 2 games 1W 0D 1L
Italian Game 2 games 0W 1D 1L
Classical Variation 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
Giuoco Pianissimo 1 game 0W 0D 1L
Philidor Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 8 games 5W 1D 2L
Petrov's Defense 2 games 2W 0D 0L
Stafford Gambit Accepted 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Bishop's Opening 1 game 1W 0D 0L
Berlin Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 1 game 1W 0D 0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
Anglo-Grünfeld Variation 1 game 0W 0D 1L
Four Knights Game 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Rubinstein System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Marshall Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 83

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

2025.10.28 · 24... Nc6 (−74.8% win chance) 0-1
Sebastian Rondano Pastrana
Rincon Barrera, Oliver Alexander
View game
2025.10.28 · 67. Rg7 (−47.5% win chance) 1-0
Ayala Gomez, Jhonatan Daniel
Sebastian Rondano Pastrana
View game
2025.10.28 · 62. h6 (−47% win chance) 1-0
Ayala Gomez, Jhonatan Daniel
Sebastian Rondano Pastrana
View game
2025.10.27 · 38... exd5 (−40.2% win chance) 1-0
Sebastian Rondano Pastrana
Torres Diaz, Juan Manuel
View game
View blunders & mistakes
Games Showing all 15 games
Date Event Round Color Opponent Result Accuracy % First moves