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German Bundesliga 2026/27 (Schachbundesliga) · German Bundesliga 2026/27 (Schachbundesliga) Round 1

GM Maxime Lagarde (2597) vs IM Ruben Gideon Koellner (2535)

Board 6, OSG Baden-Baden – SG Solingen. Result: 1-0. 42 moves. Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation (D35).

Key moments

Move 24… Nc8 — swing
Move 30. Ne4 — swing
Move 31… c5 — blunder