[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.30"]
[Round "6"]
[White "Cao, Jorge"]
[Black "Lechere, R."]
[Result "0-1"]
[ECO "B21"]
[PlyCount "60"]
[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. e4 c5 2. d4 cxd4 3. c3 d3 4. c4 d6 5. Nf3 g6 6. Bxd3 Bg7 7. h3 Nc6 8. Nc3 Nf6 9. 0-0 Bd7 10. Be3 Qc8 11. Rc1 h5 12. Nd5 Bxh3 13. gxh3 Qxh3 14. Ng5 Qd7 15. Qf3 Ne5 16. Qe2 Nxd3 17. Rcd1 Nxd5 18. cxd5 Ne5 19. Bd4 0-0 20. Bxe5 Bxe5 21. f4 Bf6 22. e5 dxe5 23. Nxf7 exf4 24. Nh6+ Kg7 25. Rxf4 Kxh6 26. Qg2 Be5 27. Re4 Rf5 28. Kh1 Raf8 29. Rg1 g5 30. Qh3 Rf2 0-1

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.27"]
[Round "3"]
[White "Lechere, R."]
[Black "Luckis, Marcos"]
[Result "0-1"]
[ECO "C69"]
[PlyCount "60"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd6 9. f4 Ne7 10. Nd2 c5 11. N4b3 0-0 12. Nc4 Be6 13. Nca5 Rab8 14. e5 fxe5 15. fxe5 Rxf1+ 16. Kxf1 Bxe5 17. Nxc5 Rf8+ 18. Ke1 Bc8 19. Bg5 Bxb2 20. Bxe7 Re8 21. Rd1 Rxe7+ 22. Kf2 Rf7+ 23. Kg1 b6 24. Nc6 bxc5 25. Rd8+ Rf8 26. Rxc8 Bd4+ 27. Kh1 Rxc8 28. Ne7+ Kf7 29. Nxc8 c4 30. c3 Bc5 0-1

