← 59th Biel International Chess Festival 2026 · Open | Blitz (BTZ) · Round 4Altenburger, Rene vs Delesenne, Arthur, Round 4, 59th Biel International Chess Festival 2026Altenburger, Rene1990 · SUI1–0Delesenne, Arthur1789 · BEL19 Jul, 12:15← Board 41Board 42 of 54Board 43 →