Sergio Alonso Castillo
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 14th Sants Open A | 08/17/2012 | 2332 | Spain |
| 3rd Open | 09/01/2010 | 2381 | Spain |
| 36th Open | 08/02/2010 | 2353 | Spain |
| XI Sants Open | 08/21/2009 | 2304 | Spain |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 5 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 1 games |
| C54 | Giuoco Piano | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D18 | Queen's Gambit Declined Slav, Dutch variation | 1 games |
| D12 | Queen's Gambit Declined Slav, 4.e3 Bf5 | 1 games |
| C45 | Scotch game | 1 games |
| C44 | King's pawn game | 1 games |
Spain
Male
FIDE ID:

