[Event "Weston-supre-Mare"] [Site "?"] [Round "0"] [White "Znosko-Borovsky"] [Black "Euwe"] [Result "0-1"] [ECO "B33"] [Opening "Sicilian: Open, 2...Nc6"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. O-O Be7 8. Be3 O-O 9. Nb3 a6 10. f4 b5 11. Bf3 Bb7 {This position is entirely different from those we have been looking at previously, but there is one essential similarity - the half open c-file, with the possibilty of a minority attack for Black. We shall soon see that there is considerable degree of correspondence between the positions} 12. Ne2 {preparing c3} 12... Na5 { Heading for the furthest available square on the half open file} 13. Nxa5 Qxa5 14. Ng3 Rac8 15. c3 Rfd8 16. Qb3 d5 17. e5 Ne4 {Comparing the Queenside pawn formations arising from the Queen's Gambit Exchange variation, we come to the suprising conclusion that apart from unimportant discrepancies, the are the same with the colours reversed. There are other openings as well which give rise to the same type of position - notably the French and Caro-Kann defences. The strategic plan is now applicable, but the tactical differences may be considerable. For instance, it is important to notice that in the present case, White can't start an immediate Kingside attack} 18. Ne2 (18. Bxe4 dxe4 19. f5 { Black would then have himself the open d-file at once by ... Rd3} 19... Rd3) 18... Bc5 19. Bxc5 Rxc5 20. Rad1 Rc4 21. Nd4 {Occupying the support point} 21... g6 {Preventing Nf5 .. White should hit out with Pg4} 22. Kh1 Ba8 { So as to push on with ... Pb4} 23. Be2 Rc5 24. Qc2 $2 (24. Qb4 Qxb4 25. cxb4 Rc7 26. Rc1 $11) 24... Qb6 25. a3 a5 26. Bd3 b4 27. axb4 axb4 { The climax of the minority attack} 28. Nb3 (28. Qb3 Rb8 $1) (28. c4 dxc4 29. Bxe4 Bxe4 30. Qxe4 Rcd5 {Black regains his piece with decisive advantage}) (28. Bxe4 dxe4 29. c4 Rcc8 30. Nb3 (30. Ne2 b3 31. Qc3 Rxd1 32. Rxd1 Qf2 $1 33. Nc1 e3 34. Rg1 Rd8) 30... Bd5 31. Nd2 e3) 28... Rcc8 29. Bxe4 dxe4 30. c4 (30. Rxd8+ Rxd8 31. Nd4 {better chances}) 30... Bd5 31. Rd4 Bxc4 32. Rxc4 Qa6 33. Nd2 $2 (33. Rc1 {Back rank tactics} 33... Rxc4 34. Qxc4 Qxc4 35. Rxc4 Rd1#) ( 33. Na5 Rc5 34. Rc1 $15) 33... e3 $1 34. b3 exd2 35. Rd1 Rxc4 36. bxc4 Qa3 37. g3 Qc3 38. Qe4 b3 39. Kg2 Qc2 40. Qe2 Qxd1 41. Qxd1 b2 0-1