1.   d4 d5 2. c4 e6 3. Nc3 Nf6 4. cd ed 5. Bg5

This, the third QGExchange document, examines miscellaneous unusual fifth moves in the QGEx. other than the normal moves of Nbd7, Be7 and c6.

 

[5... Bf5 LINE ONE

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6. Qb3 Nc6 This is obviously the only playable move in this position for Black. 7. e3 This surprisingly is best for White. (7. Bxf6 Qxf6 8. Nxd5 Qxd4 9. Nxc7 Kd7 10. Nd5 (10. Nxa8 ?? Bb4) 10... Bb4 11. Nc3 Be6©) 7... Bb4 8. Bb5 Bxc3 9. Qxc3 Bd7 10. Nf3²;

 

5... c5 LINE TWO  This looks horrendous - but Black does get the two Bishops and an attack against the White K-side.

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6. Bxf6 gf (6... Qxf6 7. Nxd5 Qd8 8. e4 Nc6 9. Nf3 cd 10. Nxd4 Bc5 11. Nb3+=) 7. e3 (7. dc d4 8. Ne4 Bf5) 7... Be6 8. Bb5 Nc6 9. dc (9. Nge2 a6 10. Bxc6 bc 11. O-O Rg8 12. dc Bxc5 13. Qc2 Bd6 14. Qxh7 Ke7 15. Ng3 Rg6›/²) 9... Bxc5 10. Nge2 a6 11. Bxc6 bc 12. Nd4 Qc7 13. O-O Bd6 Black intends Rg8 etc and White's K-side looks bare. But White's next move gains an advantage. 14. Qh5²;

 

5... Bb4  LINE THREE    Quite popular played 130 times.

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6. e3 h6 (6... Bf5 7. Qb3 Nc6 8. Bb5 Bxc3 9. Qxc3 Bd7 10. Nf3+= transposed to  Bf5 line one above.) 7. Bh4 g5 8. Bg3 Ne4 9. Nge2 Nc6 (9... h5 10. h4 Nxg3 11. Nxg3 Bg4 12. Qa4 Nc6 13. Bb5 Bxc3 14. bc Rh6 15. Rb1 gh 16. Ne2 Bxe2 17. Bxe2 Rb8 18. Bf3 a6 19. c4 dc 20. Rxb7 Rxb7 21. Bxc6 Kf8 22. Bxb7 Rb6 23. Be4 Qe7 24. Bc2 c3 25. Qa5 Rb5 26. Qxc3 Rg5 27. Rxh4 c5 28. dc Rxg2 29. Rxh5 Rg1 30. Ke2 Qe6 31. Qh8 Rg8 32. Qh6

1-0, Grigore George (ROM) 2485 - Verat Laurent (FRA) 2270, Paris (France) 1997) 10. a3 Bxc3 11. Nxc3 Nxc3 12. bc Bf5 13. h4 g4 14. c4 Qd7 15. Be2 h5 16. O-O Ne7 17. cd Nxd5 18. Bd3 Bxd3 19. Qxd3 O-O 20. e4 Ne7 21. Rac1 c6 22. Qe3 Kg7 23. Rc5 f6 24. Rxh5 Rh8 25. Rxh8 Rxh8 26. Re1 Rh5 27. e5 f5 28. e6 Qd5 29. Qf4 Qa5 30. Re3 Kg6 31. Qb8 Nd5 32. e7

1-0, Mirzoev Azer (AZE) 2438 - Bayramov Vougar (AZE) 2277, Baku (Azerbaijan) 1999;

 

[a] 5... Be6 lines line FOUR

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6. Qb3 Nbd7 (6... Nc6 7. Bxf6 gf (7... Qxf6 8. Qxb7�) 8. e3²) 7. e3 Be7 8. Nge2 O-O 9. Nf4²;

 

Line 4[b] c6 and Be6

5... c6  6. Qc2  Be6 7. e3  Nbd7 8. Bd3  h6 9. Bh4 Bd6 10. Nge2 Qc7 11. Bg3 Bxg3 12. hxg3 O-O 13. Nf4 +=

 

 

5... h6 line FIVE. Black doesn't understand White's threat - or is calling his bluff !

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6. Bxf6 Qxf6 (6... gf 7. e3 c6 8. Nge2 Bd6 9. Ng3 The drawbacks to Black's ruined pawn structure are obvious.) 7. Nxd5 Qd8 8. Nc3 Safer than e4. White will continue e3 with a safe extra pawn.;

 

5... Nc6 Line SIX  Black intends to attempt to give free play for both Bishops.

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6. e3 Bf5 (6... Be7 7. Bd3 h6 8. Bh4 O-O 9. Qb3 Nb4 10. Bb1 g5 11. Bg3 c5 12. dc Na6 13. Nf3 Nxc5 14. Qc2 A complex position. Black has some play for his troubled pawns.) 7. Bxf6 gf (7... Qxf6 8. Nxd5 Qd8 9. Nc3 White is a safe pawn up.) 8. Bb5 Bb4 9. Nge2 Qd6 10. a3 Bxc3 11. Nxc3 a6 12. Qh5 Bg6 13. Bxc6 bc 14. Qe2 White has a tremendous positional advantage.]

 

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