[Event "USA-ch Seniors 50"]
[Site "Saint Louis"]
[Date "2019.07.11"]
[Round "1"]
[White "Christiansen, Larry Mark"]
[Black "Ehlvest, Jaan"]
[Result "1-0"]
[WhiteElo "2574"]
[BlackElo "2515"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 O-O 6. Qd2 c6 7. Bd3 b5 8. Bh6 Qc7 9. Bxg7 Kxg7 10. e5 Nfd7 11. h4 h5 12. e6 Nf6 13. exf7 Nh7 14. Ng5 1-0