Chigaev,M vs Oparin,G

C47 Four knights

Chigaev,M 2617 Berdinketa
Oparin,G 2667 Berdinketa
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 Bg4 10. f3 Bh5 11. dxc6 Qd4+ 12. Kh1