[Event "Idaho Closed"] [Site "Boise, ID"] [Date "2020.02.15"] [Round "1.15"] [White "Leifeste, Jef"] [Black "He, Justin"] [Result "0-1"] [WhiteElo "648"] [BlackElo "1535"] [EventType "swiss"] [EventRounds "6"] [EventCountry "USA"] [ECO "D11"] [Opening "Slav: 4.e3"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 Bd6 8. O-O O-O 9. e4 e5 10. dxe5 Nxe5 11. Bb3 Qc7 12. Nxe5 Bxe5 13. f4 Bxc3 14. bxc3 Nxe4 15. Bb2 Qb6+ 16. Kh1 Nf2+ 17. Kg1 Nh3+ 18. Kh1 Qg1+ 19. Rxg1 Nf2# 0-1