It's unclear why Ivanchuk resigned!
Ivanchuk vs Topalov, 1995  (B77) Sicilian, Dragon, Yugoslav Attack, 24 moves, 0-1
Not the usual Levenfish rollup; Black's blunder is instructive.
Korchnoi vs Spassky, 1948  (B71) Sicilian, Dragon, Levenfish Variation, 12 moves, 1-0
2 games |