[Event "Norman Friedman Memorial"] [Site "Boise, ID"] [Date "2018.10.14"] [Round "4.16"] [White "Olson, Otto William"] [Black "Leifeste, Jef"] [Result "0-1"] [WhiteElo "746"] [BlackElo "427"] [EventType "swiss"] [EventRounds "5"] [EventCountry "USA"] [ECO "A45"] [Opening "Indian: 2.e3 g6"] 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nf3 d5 5. Nbd2 c5 6. O-O cxd4 7. exd4 Nc6 8. b3 Qd6 9. Bb2 O-O 10. Ne5 Nd7 11. Nxc6 bxc6 12. Rb1 e5 13. Nf3 e4 14. Bxe4 dxe4 15. Nd2 Nf6 16. Qc1 Bh6 17. Ba3 Qxd4 18. Bxf8 Kxf8 19. Re1 Ng4 20. g3 Qxf2+ 21. Kh1 Qxh2# 0-1