Queen's IndianE17

Büse, Ralf (1870)
Böhmer, Thomas (1969)

Sparkassen-Open A (7.55)
Heusenstamm, Martinsee, 2022


1. d4 Sf6 2. Sf3 b6 3. g3 Lb7 4. Lg2 e6 5. O-O Le7 6. c4 O-O 1/2-1/2