Stephan A Popel vs Robert P Chalker — 70th U.S. Open, Lincoln 1969, Round 1

-- Stockfish 19

-- Engine disabled.

1. Nf3 c5

2. c4 Nc6

3. Nc3 Nf6

4. e4 d6

5. d4 cxd4

6. Nxd4 g6

7. Be2 Bg7

8. Nc2 O-O

9. O-O Nd7

10. Be3 Qa5

11. Qd2 Nde5

12. Rab1 Ng4

13. b4 Qe5

14. Nd5 Qxh2#

0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.10"]
[Round "1"]
[White "Popel, Stephan A"]
[Black "Chalker, Robert P"]
[Result "0-1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. e4 d6 5. d4 cxd4 6. Nxd4 g6 7. Be2 Bg7 8. Nc2 O-O 9. O-O Nd7 10. Be3 Qa5 11. Qd2 Nde5 12. Rab1 Ng4 13. b4 Qe5 14. Nd5 Qxh2# 0-1