[Event "No. 4541 Tactic: Chess, Combination"] [Site "Dayton"] [Round "0"] [White "Williams"] [Black "Helmke"] [Result "0-1"] [ECO "C64"] [Opening "Spanish: Classical, 4.c3 Nf6"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. O-O Nxe4 6. Bxc6 bxc6 7. Nxe5 O-O 8. d4 Bd6 9. Nf3 c5 10. Qc2 Nf6 11. Be3 cxd4 12. cxd4 Bb7 13. Nbd2 Ng4 14. Ng5 Bxh2+ 15. Kh1 g6 16. Ndf3 Bg3 17. Nh3 Qf6 18. Bg5 {Diagram} Qxf3 19. gxf3 Bxf3+ 20. Kg1 Bh2No. {#R} 0-1