[Event "U.S. Open - Boston"] [Site "Boston, USA"] [Date "1988.08.??"] [Round "10"] [White "FM Morris Giles (USA)"] [Black "GM Walter Browne(USA)"] [Result "1-0"] [ECO "B98"] [WhiteElo "2451"] [BlackElo "2617"] [Annotator "Byrne, R"] [PlyCount "51"] [EventDate "1988.??.??"] {[%evp 0,51,19,38,40,41,66,66,57,33,33,27,50,61,74,41,28,42,55,5,39,-25,-15,-8, 0,-49,-40,-62,45,29,106,109,109,109,138,113,139,168,95,68,179,60,60,60,60,147, 122,67,884,884,29995,29996,29997,29998]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 {The most aggressive attack against the Najdorf Sicilian is 6 Bg5, which inhibits the original intention of this sharp, counterattacking defense - 6 . . . e5? - which would yield White a hammerlock on the center after 7 Nf5. Nevertheless, the criterion of 6 Bg5 is whether it leads to more victories than the almost-as-ambitious 6 f4 or 6 Bc4 or the conservative 6 Be2 or 6 Be3 or 6 a4. The verdict is not yet in.} e6 7. f4 Be7 8. Qf3 Nbd7 {[#] Developing with 8 . . . Nbd7?! has been considered so bad that the leading texts on the Najdorf refuse to analyze it. The unanimous opinion is that Black must prevent the potent 9 Bc4 by} (8... Qc7 {Yet Browne had played it at least twice before, against the grandmaster Nick DeFirmian in last year's United States invitational championship and also against the international master Patrick Wolff in Philadelphia last year. It is remarkable that on both occasions, his opponents chose the forgiving 9 O-O-O, allowing him to reach regular lines of play with 9 . . . Qc7.}) 9. Bc4 {Giles was not so generous, but played 9 Bc4 with the intention of breaking up the black formation by} h6 (9... Qc7 10. Bxe6 fxe6 11. Nxe6 {followed by 12 Ng7 and 13 Nf5. On 9 . . . h6, Giles, of course, could not make any immediate sacrifice.}) 10. Bxf6 Bxf6 {On 10 Bf6, Browne could not recapture with} (10... Nxf6 11. f5 e5 12. Nde2 {which gives White a hammerlock on the d5 square.}) 11. O-O-O Qb6 12. Nxe6 {[%csl Gd4][%CAl Gd4e6] [#]} fxe6 13. Bxe6 {It is more than likely that Browne had prepared and relied upon 10 . . . Bf6 11 O-O-O Qb6 to get him through the opening without incident. But he must have minimized Giles's sacrifice with 12 Ne6!? fe 13 Be6, opening the black king position and achieving a powerful grip on the light squares.} Nf8 {Browne could not play} ( 13... Ne5 14. Qh3 Nd7 15. e5 Be7 16. Nd5 {is overwhelming. What is remarkable is that even after Browne had plugged the worst gaps in his position with 13 . . .Nf8 14 Bb3 Be6, Giles was still coming, now with 15e5!}) 14. Bb3 Be6 15. e5 dxe5 16. fxe5 Bg5+ 17. Kb1 Rd8 18. h4 Be7 19. Ba4+ Nd7 {[#] Giles's 19 Ba4! was a devastating shot, one point being that 19 . . . Bd7? would be smashed by 20 Rhf1 Qg6 21 h5!} (19... Bd7 20. Rhf1 Qg6 21. h5) 20. Nd5 Qa5 ({On 19 . . . Nd7 20 Nd5, it was futile to play} 20... Bxd5 21. Qxd5 Qc7 {because} 22. e6 b5 {leads to mate after} 23. Qh5+) 21. Rhf1 Rf8 22. Qh5+ Rf7 23. Bb3 g6 24. Qxg6 Nf8 {[#] After 24 . . . Nf8, Giles abruptly ended the struggle with} 25. Nc7+ $1 Qxc7 26. Qxf7+ {[#] In the face of 26 . . . Bf7 27 Bf7 mate, Browne gave up. } 1-0