Costello, Alexander
Last game 2025
Rating
peak 2297 · latest 2262Games
163
Wins
67
Draws
25
Losses
71
Peak Elo
2297
48.8% score
As White
| B35 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | 3 | 83.3% |
| A06 | Zukertort Opening | 2 | 75.0% |
| B10 | Caro-Kann Defense: Goldman Variation | 2 | 50.0% |
| B48 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | 2 | 75.0% |
| B51 | Sicilian Defense: Moscow Variation | 2 | 0.0% |
| B90 | Sicilian Defense: Najdorf Variation, English Attack | 2 | 0.0% |
As Black
| E60 | Indian Defense: Anti-Grünfeld, Alekhine Variation | 4 | 62.5% |
| C95 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | 4 | 50.0% |
| B30 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 3 | 66.7% |
| C96 | Ruy Lopez: Closed, Keres Defense | 2 | 25.0% |
| D80 | Grünfeld Defense | 2 | 50.0% |
| A05 | Zukertort Opening | 2 | 50.0% |
| A20 | English Opening: King's English Variation | 2 | 25.0% |
| C54 | Italian Game: Classical Variation, Giuoco Pianissimo | 2 | 50.0% |
| C68 | Ruy Lopez: Exchange Variation, Keres Variation | 2 | 0.0% |