← 59th Biel International Chess Festival 2026 · Open | Masters (MTO) · Round 4Oestmann, Lukas vs Erne, Raphael, Round 4, 59th Biel International Chess Festival 2026Oestmann, Lukas1998 · SUI½–½Erne, Raphael2166 · SUI16 Jul, 12:15← Board 29Board 30 of 47Board 31 →