The following game, played many years ago in the 1st International Open at Val Thorens (France), is not included nor mentioned in public databases, and it’s only thanks to the kindness of Mr. Dominique Thimognier, editor of the excellent website Héritage des Echecs Français, that it appears here.
Jean-Luc Roos – Roberto Cosulich
1st International Open; Val Thorens, July 1977
Sicilian Defence B37
1st International Open; Val Thorens, July 1977
Sicilian Defence B37
Notes by Grandmaster Bachar Kouatly, Europe Échecs, Nos. 225-226, September-October 1977, p. 298.
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Nd7 10. Bg5. A rarely played but interesting move.
10. ... Nc5 11. f3 Be6. More precise was 11. ... Bd7 with the plan ... Ra8-b8, ... a7-a6, ... b7-b5, or the advance ... f7-f5.
12. Qd2 Qa5? 13. Rab1 Bxc3. Weak, but after 13. ... Qd8 14. b4 White is fine.
14. bxc3 Rfc8 15. Nd4 Qc7. Black’s strategy is refuted.
16. Bh6! A move which paves the way for a very strong attack. The weakness of the dark squares becomes now appreciable.
16. ... b6. 16. ... f6 ought to be tried out.
17. Nxe6 fxe6 (17. ... Nxe6 18. f4)
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Nd7 10. Bg5. A rarely played but interesting move.
10. ... Nc5 11. f3 Be6. More precise was 11. ... Bd7 with the plan ... Ra8-b8, ... a7-a6, ... b7-b5, or the advance ... f7-f5.
12. Qd2 Qa5? 13. Rab1 Bxc3. Weak, but after 13. ... Qd8 14. b4 White is fine.
14. bxc3 Rfc8 15. Nd4 Qc7. Black’s strategy is refuted.
16. Bh6! A move which paves the way for a very strong attack. The weakness of the dark squares becomes now appreciable.
16. ... b6. 16. ... f6 ought to be tried out.
17. Nxe6 fxe6 (17. ... Nxe6 18. f4)
18. f4! Nxe4 19.
Qe3 Nc5 20. Bg4 Qd7. If 20. ... Nd8 21. Qd4 wins.
21. f5! exf5 22. Rxf5. On 22. Bxf5 e6 is annoying; if now 22. ... e6 23. Rxc5 followed by Bg4xe6+, or 22. ... gxf5 23. Qg5+ wins.
22. ... Qc7 23. Rbf1 Ne5 24. Rxe5! dxe5 25. Bxc8 Qxc8. If 25. ... Rxc8 26. Qf3! and mate is unavoidable.
26. Qxe5 1–0. If 26. ... Ne6 27. Rf8+ Qxf8 28. Bxf8 Nxf8 29. Qd5+ wins. A pretty game by the French university champion against the runner-up in the Italian championship.
21. f5! exf5 22. Rxf5. On 22. Bxf5 e6 is annoying; if now 22. ... e6 23. Rxc5 followed by Bg4xe6+, or 22. ... gxf5 23. Qg5+ wins.
22. ... Qc7 23. Rbf1 Ne5 24. Rxe5! dxe5 25. Bxc8 Qxc8. If 25. ... Rxc8 26. Qf3! and mate is unavoidable.
26. Qxe5 1–0. If 26. ... Ne6 27. Rf8+ Qxf8 28. Bxf8 Nxf8 29. Qd5+ wins. A pretty game by the French university champion against the runner-up in the Italian championship.
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