Chess game between Ulrich Christoffel and Peter Leisen in Round 4: Christoffel, Ulrich - Leisen, Peter, Round 4.19. Result: 1-0.
Round 4.19 · Aug 15, 2025 · 1-0 · TC Classical
B31 · Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
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