[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.31"]
[Round "7"]
[White "Cristobal, Ruben"]
[Black "Otaolea, A."]
[Result "1-0"]
[ECO "A46"]
[PlyCount "39"]
[EventDate "1972.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Qc7 6. Bg2 Nc6 7. 0-0 Nf6 8. Nxc6 bxc6 9. c4 Bb7 10. Nc3 d5 11. cxd5 cxd5 12. exd5 Nxd5 13. Nxd5 exd5 14. Bxd5 Be7 15. Bf4 Qb6 16. Qa4+ Kf8 17. Bxb7 Qxb7 18. Rac1 Qxb2 19. Qd7 Re8 20. Rc8 1-0

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.30"]
[Round "6"]
[White "Otaolea, A."]
[Black "Munoz, Rafael"]
[Result "1-0"]
[ECO "D27"]
[PlyCount "55"]
[EventDate "1972.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. e3 dxc4 6. Bxc4 b5 7. Be2 c5 8. 0-0 Bb7 9. Re1 cxd4 10. exd4 Bb4 11. Bg5 0-0 12. Qd3 Nbd7 13. Rac1 Bd5 14. Ne5 Bxc3 15. Rxc3 Qa5 16. Nxd7 Nxd7 17. Qg3 Rfc8 18. Bh6 g6 19. Rec1 Rxc3 20. Rxc3 Bc4 21. Bf3 Rc8 22. Qd6 Qd8 23. Bb7 Nf8 24. Qf4 Rc7 25. Bf3 Rd7 26. Qc1 Rxd4 27. b3 Rd3 28. bxc4 1-0

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.29"]
[Round "5"]
[White "Otaolea, A."]
[Black "Carames, Luis"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "68"]
[EventDate "1972.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Nd2 a5 10. a4 Re8 11. f3 Nh5 12. Nb3 b6 13. Re1 Qh4 14. Be3 Nf4 15. Bf1 Bh6 16. Nxc5 bxc5 17. Nb5 Re7 18. Qd2 Bg7 19. Kh1 Qh5 20. Rab1 g5 21. Qf2 g4 22. fxg4 Bxg4 23. Qg3 Rae8 24. h3 Bc8 25. Bd2 Kh8 26. Bxf4 exf4 27. Qxf4 Be5 28. Qf3 Qh4 29. Re2 Rg8 30. Nc3 f6 31. Nd1 Rg3 32. Qf2 Reg7 33. Ne3 Bxh3 34. gxh3 Rxh3+ 0-1

