[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.12"]
[Round "2"]
[White "Rodriguez, Ruben"]
[Black "Walker, Ricardo G"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "59"]
[EventDate "1974.08.11"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 exd4 8. Re1 d5 9. Nc3 dxc3 10. Bxd5 Bb7 11. Bg5 Be7 12. Bxe7 Nxe7 13. Bxb7 cxb2 14. Bxe4 bxa1Q 15. Qxa1 Kf8 16. Bxa8 Qxa8 17. a4 b4 18. Qd4 h5 19. Qd7 Qe8 20. Qxc7 Rh6 21. Nd4 Rf6 22. h4 Rg6 23. a5 Rf6 24. Re5 Rh6 25. Kf1 Rg6 26. g3 Rf6 27. f3 Rh6 28. Kf2 Rf6 29. Rxh5 Ng6 30. Rd5 1-0

[Event "Christmas Congress 1973/74-49Challenger"]
[Site "Hastings"]
[Date "1973.12.??"]
[Round "?"]
[White "Gielow, Michael"]
[Black "Walker, Ricardo G"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "41"]
[EventDate "1973.12.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 e6 6. f5 Nge7 7. fxe6 fxe6 8. d3 d5 9. Bb3 b5 10. exd5 exd5 11. Nxb5 Qa5+ 12. Nc3 d4 13. 0-0 dxc3 14. bxc3 Qxc3 15. Rb1 Qa5 16. Ng5 Ne5 17. Bd2 Qa6 18. Qe1 Bf5 19. Rxf5 gxf5 20. Ne6 Bf6 21. Nc7+ 1-0

[Event "USA Junior-ch"]
[Site "USA"]
[Date "1957.??.??"]
[Round "?"]
[White "Fischer, Robert James"]
[Black "Walker, Ricardo G"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "39"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Fischer"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 Nxb3 7. axb3 d6 8. d4 f6 9. Nh4 Ne7 10. Nc3 Be6 11. Be3 g5 12. Qf3 Bg7 13. dxe5 dxe5 14. Nf5 Bxf5 15. exf5 0-0 16. Rad1 Qc8 17. Bc5 Nxf5 18. Bxf8 Bxf8 19. Nd5 Kg7 20. g4 1-0

