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THE VECTOR GAMBIT by Clyde Nakamura In the English Opening (1.c4), Black has the option of playing the opening like a reversed Sicilian Defense if he can get in the move e5 early in the opening. You have very similar reversed lines with a tempo up for White. I had been playing the White side of the Sicilian Smith-Morra Gambit (1.e4 c5 2.d4 cxd4 3.c3) for many years and I was familiar with Smith-Morra Gambit positions. This new gambit with the moves 1.c4 d5 2.cxd5 c6 can transpose into a reversed Smith-Morra Gambit type of position. I had named this new gambit the Vector Gambit. In physics and engineering the term vector refers to something that has magnitude and direction. Both force and velocity have magnitude and direction.
In the Sicilian Smith-Morra Gambit, the main piece & pawn configuration are as follows: Rooks at c1 & d1, Q at e2, B at c4 or d3, the other B at e3, f4 or g5, pawns at a2, b2, e4, f2, g2, and h2 and N’s at c3 & f3. In the Vector Gambit Blacks main piece and pawn configuration as follows: Rooks at c8 & d8, Q at e7, B at c5 and e6 or f5 or g4, pawns at a7, b7, e5, f7, g7 and h7 and N’s at f6 and c6. This setup for Black can vary depending on what White plays. If White plays e3 Black places his B at d6 instead of at c5. If White fianchettos King side Black can play the B to e6 followed by Q to d7 to prepare to exchange B’s to weaken White’s King side fianchetto position. 1.c4 d5 2.cxd5 c6 3.dxc6 is the Vector Gambit Accepted. Black normally takes back the pawn with 3…Nxc6. It is quite possible that Black can gambit another pawn by playing 3…e5 4.cxb7 Bxb7. It is like a reverse Danish Gambit line. There are a number of ways White can decline the Vector Gambit and they are:
In this article I will only cover the declined line 3.e4. This is the game that I lost to National Master Tom Dorsch at the Hawaii International in 1994. Most of the other declined lines transpose back into regular orthodox lines. My tournament record with the Vector Gambit is 2 wins and 1 loss. BLACK PLAYS AN EARLY f5 MOVE The move f5 is sometimes played by Black early in the opening to assist in the King side attack. Black has pawns at f5 and e5. If White has a King side fianchetto position with the pawn at g3 Black can play f4 to attack the White’s fianchetto pawn position. Black can also play e4 to chase the White N away from the f3 square. The following game is the first known Vector Gambit Accepted game. Black played an early f5 to start a King side attack. Leer
Salvesen, Kjarta - Hagesather, Arne
1. c4 d5 2. cxd5 Nf6 3. Nc3 c6 {This is the delayed version of the
Vector Gambit.} 4. dxc6 Nxc6 5. Nf3 e5 6. e4 Bc5 7. Be2 Bg4 8. O-O O-O 9.
d3 {[White has that familiar Sicilian Boleslavsky type pawn structure.]}
h6 {[9...h6 is a Smith-Morra type of move to prevent the troublesome pin of
Black's knight at f6 with White's move Bg5.]} 10. a3 Nh7 11. b4 Bd6 12.
Bb2 f5 13. exf5 Rxf5 14. Ne4 Bc7 15. Ng3 Rf6 16. b5 Bxf3 17. Bxf3 Nd4 18.
Bxd4 Qxd4 19. Rc1 Bb6 20. Rc4 Qd7 21. Qb3 Kh8 22. Ne4 Rf4 23. Nd2 Raf8 24.
Rxf4 Rxf4 25. Qd5 Qf5 26. Re1 Bd4 27. Re4 Nf6 28. Qd8+ Kh7 29. Rxf4 Qxf4 30.
Qa5 b6 31. g3? {[A clear error, now Black has the desperado move
31...Qxf3 with a won game.]} Qxf3 32. Nxf3 bxa5 0-1 ChessGenius2 – Clyde Nakamura (2100) 8/18/95 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nf3 e5 5. Nc3 f5 {[I was experimenting with a new variation of the Vector Gambit. It appears to have many weaknesses. King side weaknesses etc. but it's strength appears to be the pawns at e5 & f5 to create a pawn roller for the attack.]} 6. d3 Nf6 7. Bg5 Bd6 {[The question was whether to place the KB at either c5 or d6. The problem with the B at c5 is that you could run into an eventual fork trick. The B placed at d6 protects the e pawn and prepare for the king-side attack.]} 8. d4 e4 9. Nd2 h6 {[9...Nxd4 is not playable because of White's strong reply 10.Nd2xe4! The text move forces the White B to release the pin by exchanging B forN]} 10. Bxf6 Qxf6 11. e3 O-O 12. Bc4+ Kh8 13. Nb5 Bb8 14. O-O Qh4 15. g3 Qh3 16. Re1 f4 17. gxf4 Rxf4 18. exf4 Bxf4 19. Nf1 Bg4 20. Be6 Bxe6 21. Qc2 Bg4 22. Qxe4 Bf3 23. Qg6 Bg5 24. Ne3 Ne7 25. Qf7 Bxe3
26. Qxf3 Qxf3 27. Rxe3 Qf6 28. Rae1 Ng6 29. Rg3 Rf8 30. Re2 Nf4 31. Rc2
a6 32. Nc3 Qxd4 33. a3 h5 34. Re3 Qd6 35. Rg3 h4 36. Rg4 g5 0-1
Sievilainen, Tuomo - Pirttimaki, Timo
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. g3 e5 5. Bg2 f5 {An early f5
variation of the Vector Gambit.} 6. Nc3 Nf6 7. d3 Bc5 8. Nf3 O-O 9. O-O
Kh8 10. Bg5 h6 11. Bc1 a6 12. a3 Be6 13. b4 Ba7 14. Bb2 f4 15. Nh4 Qe8 16.
Rc1 Rc8 17. Ne4 fxg3 18. hxg3 Qh5 19. Nd6 g5 20. Nf3 (20. Nxc8 Bxc8 21.
Bxc6 gxh4 (21... bxc6 22. Ng6+ Qxg6 23. Bxe5 Bh3 24. Rxc6 Qf5 25. Rxf6 Rxf6
26. d4 Bxf1 27. Qxf1 Kg7 28. Qg2 Kg6 29. Bxf6 Kxf6 {+/= 0.34}) 22. Bf3 Bg4
(22... Qg5 23. Kg2 Bxf2 24. Rxf2 Qxg3+ 25. Kh1 Qxf2 26. Bxe5 Bf5 27. Qg1
Qxg1+ 28. Rxg1 {+- 4.19}) 23. d4 Rg8 24. Qb3 exd4 25. Qd3 Bxf3 26. Qxf3 Qe5
27. Qh1 Qg5 28. Rc7 hxg3 29. f4 Qg6 30. Qh4 Rg7 31. f5 Qh5 32. Qxh5 Nxh5 33.
Rxg7 Nxg7 34. Kg2 {+-2.84}) 20... Ng4 21. Rxc6 Rxf3 22. Rxc8+ Bxc8 0-1
WHITE FIANCHETTOS KING SIDE In the Sicilian Smith-Morra Gambit there exists the trap 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 Nf6 7.e5. If 7…Nxe5 8.Nxe5 dxe5 9.Bxf7+ and Black’s Q drops. If 7…dxe5 8.Qxd8+ Nxd8 9.Nb5 and Black is in trouble. A similar trap exists in the Vector Gambit after 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. Nf3 Nf6 6. d3 Bc5 7. g3 e4. If White plays 8.Nxe4 Nxe4 9.dxe4 Bxf2+ and White’s Q drops. And if 8.dxe4 Qxd1+ 9.Nxd1 Nb4 and White is in trouble. Eurolix (1911) – Evilone (1905) Playchess.com 1/25/04 Game 5m 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. g3 e5 5. Bg2 Nf6 6. d3 Bc5 7. Nf3 e4 {This is a similar trap that exists in the Smith-Morra Gambit. The position does not look like there is a trap but White is in serious trouble.} 8. dxe4 Qxd1+ 9. Kxd1 Nxe4 10. Kc2 Nxf2 11. Rf1 Bf5+ 12. Kb3 Be6+ 13. Kc2 (13. Ka4 {White had to play this move. It is forced. The other move leads to checkmate.}) ({Better is} 13. Ka4 b5+ (13... a6 14. b4 Bxb4 15. Nd4 b5+ 16. Nxb5 axb5+ 17. Kxb5 Rb8+ 18. Ka4 Kd7 19. Bxc6+ Kxc6 20. Be3 Ne4 21. Rf5 Ra8+ 22. Kxb4 Rhb8+ 23. Bb6 Rxb6+ 24. Rb5 Rxb5#) 14. Kxb5 Rb8+ 15. Ka4 Rb4+ 16. Ka3 Na5 17. b3 Rxb3+ 18. Ka4 Bd7+ 19. Kxa5 Bb6+ 20. Ka6 Bc8#) 13... Nb4+ 14. Kc3 Ne4# 0-1
Alekhine21 (1893) – Evilone (1894) Playchess.com 1/1/05 Game 5m 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nf3 e5 5. Nc3 Nf6 6. d3 Bc5 7. g3 e4 {The Vector Gambit trap) 8. dxe4 (8. Nxe4 Nxe4 9. dxe4 Bxf2+ {White's Q drops.}) 8... Qxd1+ 9. Nxd1 Nb4 10. Ne3 (10. Rb1 Nc2+ 11. Kd2 Nb4 12. Ke1 Nxe4 13. Bg2 Bf5 14. a3 Nc2+ 15. Kf1 O-O-O 16. Bf4 Rd7 17. Ne5 Nd2+ 18. Bxd2 Rxd2 19. Nc3 Bd4 20. Nc4 Bxc3 21. bxc3 Rd7 22. Rc1 Rhd8 23. f3 = {0.00 according to Fritz8}) 10... Bxe3 11. Bxe3 Nc2+ 12. Kd2 Nxa1 13. e5 Ne4+ 14. Kc1 O-O 15. Kb1 Rd8 16. Bg2 Bf5 17. Kxa1 Rac8 18. Nd4 Bg6 19. h4 h6 20. h5 Bh7 21. f4 Nxg3 22. Rh3 Nxe2 0-1 Der Schlafer (1942) – Evilone (1842) Playchess.com 6/12/05 Game 5m
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. Nf3 Nf6 6. d3 Bc5 7. g3 e4
{The Vector Gambit trap) 8. dxe4 (8. Nxe4 Nxe4 9. dxe4 Bxf2+ {and
White's Q drops.}) 8... Qxd1+ 9. Nxd1 {Black threatens Nc7+ winning
White's R.} Nb4 10. Rb1 Nxe4 11. Bd2?? {A huge error which leads to
mate in one with Nc2 checkmate.} (11. Bg2 Bf5 12. a3 Rd8 13. Bf4 Nc2+ 14.
Kf1 h6 15. Rc1 g5 16. Ne3 Nxe3+ 17. Bxe3 Bxe3 18. fxe3 Ke7 (18... O-O 19.
Nd4 Rc8 20. Rd1 Bg6 21. Ke1 Rfe8 22. Bxe4 Bxe4 23. Rf1 a6 24. Kd2 Kg7 25.
Rf2 Red8 26. g4 Rd7 27. Rc1 Rxc1 28. Kxc1 Kg6 29. b4 h5 30. h3 h4 31. Kb2 =)
19. Nd4 Bg6 20. Bh3 Kd6 21. Ke1 h5 22. b4 g4 23. Bg2 h4 24. Rf1 =) 11...
Nc2# 0-1 Martino (1933) – Evilone (1866) Playchess.com 1/25/04 Game 5m
1. c4 d5 2. cxd5 c6 3. Nc3 Nf6 4. dxc6 Nxc6 5. Nf3 e5 6. d3 Bc5 7. g3 e4
{The Vector Gambit trap.} 8. dxe4 Qxd1+ 9. Nxd1 Nxe4 10. e3 Nb4 11. Ke2
Be6 12. b3 O-O-O 13. Bb2 Kb8 14. Bg2 Bg4 15. h3 Rd2+ 16. Ke1 Nd3+ 17. Kf1
Nxb2 (17... Bxf3 18. Bxf3 Nxb2 19. Rh2 Nxg3+ 20. Kg1 Nf5 21. Nxb2 Rxb2
22. Bg4 Nh4 23. Rh1 f5 24. b4 Bxb4 25. Bd1 Rd8 26. Bh5 Rdd2 27. Rf1 Bc5 28.
a3 Rxf2 29. Rxf2 Bxe3 30. Kf1 Rxf2+ 31. Ke1 Ng2+ 32. Kd1 Nf4 33. Re1 Rd2+
34. Kc1 Nd3+ 35. Kb1 Nxe1 {-+ 19.81}) 18. Nxd2 Nxd2+ 19. Kg1 Bxd1 20. Kh2
Nf3+ 21. Bxf3 Bxf3 22. Rhc1 Bb6 23. Rc3 Rd8 24. Rb1 Nd3 {-+5.22} 25.
Kg1 a6 26. b4 Be4 27. Rd1 Ne5 28. Rxd8+ Bxd8 29. a4 Nf3+ 30. Kf1 Bf6 31. Rc5
Ne5 32. f4 Nd3 33. Rc4 Bd5 34. Rc2 Nxb4 35. Rd2 Bc6 36. Kf2 Bxa4 37. e4 Bc6
38. e5 Be7 39. f5 Bc5+ 40. Ke2 a5 41. g4 a4 42. g5 a3 43. h4 a2 44. Rxa2
{White had to stop the Black a pawn from Queening.} Nxa2 45. h5 Nc3+ 46.
Kd3 Nb5 47. g6 hxg6 48. f6 gxf6 49. h6 {This is White's last chance to
win the game.} fxe5 50. h7 e4+ 51. Kc4 Bd4 { Black had one last move
to stop the White pawn from Queening.} 0-1
WHITE FIANCHETTOS KING SIDE Norbear (1945) – Evilone (1899) Playchess.com 2/16/04 Game 4m + 2s
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. d3 Nf6 6. g3 Bc5 7. Bg2 O-O
8. Nf3 Ng4 9. O-O f5 10. Bg5 Qe8 11. h3 Nxf2 12. Rxf2 Bxf2+ 13. Kxf2 Kh8
(13... f4 14. gxf4 h6 15. Nb5 Qf7 16. Bh4 exf4 17. Kg1 Qg6 18. Kh2 Bd7 19.
Nc3 Rf7 20. d4 Re8 21. Rc1 Qd6 22. d5 Ne5 23. Qd4 Ng6 24. Bf2 b6 25. Ne4 Qe7
26. Nfd2 {+- 1.59 }) 14. e4 h6 15. Be3 Be6 16. Qa4 Rd8 17. Kg1 Rxd3 18.
Re1 Qg6 19. Bf2 f4 20. g4 Bxg4 21. hxg4 Qxg4 22. Kf1 Rxf3 23. Bxf3 Qxf3 24.
Nd5 Nd4 25. Qa3 Qh1+ 26. Bg1 f3 (26... Rc8 27. Nxf4 exf4 28. Qd3 f3 29.
Kf2 Qg2+ 30. Ke3 f2 31. Qe2 Nc2+ 32. Kd3 Qg3+ 33. Qe3 Qd6+ 34. Qd4 Qxd4+ 35.
Ke2 fxe1=Q+ 36. Kf3 Qdxe4#) (26... Rg8 27. Rc1 Nf3 28. Qxa7 Nh2+ 29. Ke2
Qf3+ 30. Kd2 Qxe4 31. Bxh2 Rd8 32. Rc5 Rxd5+ 33. Rxd5 Qxd5+ 34. Ke2 g5 35.
Qb6 Kh7 36. Qf6 Qc4+ 37. Kd2 Qd4+ 38. Ke1 Qe3+ 39. Kf1 Qf3+ 40. Kg1 Qd1+ 41.
Kf2 Qc2+ 42. Kf1 Qb1+ 43. Kg2 Qxb2+ 44. Kh3 Qxa2 45. Qf5+ Kg7 46. Qxe5+ Kf7
47. Bxf4 Qe6+ 48. Qxe6+ Kxe6 49. Be3 b5 50. Bc5 Kd5 51. Be7 Kc4 52. Bf8 h5
53. Be7 g4+ 54. Kh4 b4 55. Bf6 b3 56. Bb2 Kd3 57. Ba1 Kc2 58. Bd4 b2 59.
Bxb2 Kxb2 {The endgame is lost for White.}) 27. Qxf8+ Kh7 28. Ne7
(28. Ne3 Qh3+ 29. Kf2 Qh4+ 30. Kf1 =) 28... Qg2# 0-1 Hadrauf1 (2059) – Evilone (1972) Playchess.com 1/1/05 Game 5m 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. g3 Nf6 6. Bg2 Bc5 7. d3 O-O 8. Nf3 Ng4 9. O-O Nxf2 {The N & B exchange for R & pawn.} 10. Rxf2 Bxf2+ 11. Kxf2 f5 12. Qb3+ Kh8 13. Ng5 Qe8 {to prevent Nf7+ winning the exchange.} 14. Bxc6 (14. Nb5 Qe7 15. Qa3 Qf6 16. Qd6 h6 17. Nf3 Rb8 18. Be3 Be6 19. Nc7 Bg8 20. Qxf6 Rxf6 21. Nb5 Ra8 22. Bc5 b6 23. Ba3 Rd8 24. Nc3 g5 25. Rc1 g4 26. Nh4 a5 27. h3 gxh3 28. Bxh3 Be6 29. Nb5 Bc8 30. Ke1 Nb4 31. d4 e4 32. Bxb4 axb4 33. e3 Bd7 34. Nc7 Rc8 35. Kd2 Rg8 36. Nd5 Rf7 37. Nf4 Rxg3 38. Nhg6+ Kg8 39. Ne5 Re7 40. Rc7 Rgg7 41. Rb7 b5 42. Rb8+ Be8 43. Bxf5 {+-5.75}) 14... bxc6 15. Bd2 f4 16. gxf4 exf4 17. Nf3 Bg4 18. Rg1 Qh5 19. Rg2 (19. Qb7 Rae8 20. Qxa7 Kg8 21. Qc7 c5 22. Ne4 Rf7 23. Qxc5 Bxf3 24. exf3 Qxh2+ 25. Rg2 Qh3 26. Qd4 Kh8 27. Bc3 Rg8 28. Ng5 Qh4+ 29. Kg1 Re7 30. Qe4 Rge8 31. Nf7+ Kg8 32. Rxg7+ Kf8 33. Qb4 Qe1+ 34. Bxe1 Kxg7 35. Bc3+ Kxf7 36. Qxf4+ Ke6 37. Qe4+ Kd7 38. Qb7+ {+-8.78}) 19...Bxf3 20. exf3 Rae8 21. Ne4 Qh4+ 22. Kf1 Qh3 23. d4 (23. Qb7 Qxf3+ 24. Kg1 Rg8 25. Bc3 Re5 (25... Qd1+ 26. Kf2 Qc2+ 27. Nd2 Re2+ 28. Kxe2 f3+ 29. Kxf3 Qxd3+ 30. Kf2 Rf8+ 31. Ke1 Qe3+ 32. Kd1 {+- 15.81}) 26. Bxe5 Qd1+ 27. Kf2 Qc2+ 28. Kf3 Qxd3+ 29. Kxf4 Rf8+ 30. Bf6 Qf1+ 31. Rf2 Rxf6+ 32. Ke5 Rxf2 33. Nxf2 Qb5+ 34. Qxb5 cxb5 {+-4.75 & White is won.}) 23... Rxe4
24. fxe4 f3 25. Qe3 Qxg2+ 26. Ke1 f2+ 27. Kd1 f1=Q+ 28. Kc2 Qc4+ 29. Qc3
Qxc3+ 30. bxc3 Rf2 0-1
WHITE FIANCHETTOS KINGSIDE The following game was the first time I had played the Vector Gambit in a tournament game. White played a King side fianchetto and also played the move e3 which seriously weakened the light square on d3. Edward Taylor – Clyde
Nakamura (2100) 1. c4 d5 2. cxd5 c6 {[The Vector Gambit. Black is attempting to play a reversed Smith-Morra Gambit. ]} 3. Nc3 Nf6 4. dxc6 Nxc6 5. g3 e5 6. Bg2 Bc5 7. h3? {[White has to develop quickly. 7.h3 is too slow.]} O-O 8. e3?? Nb4 {White now is in big trouble because of the weak white square at d3.} 9. Be4 Nxe4 10. Nxe4 Qd3 11. f3 Nc2+ 12. Kf2 Bxe3+ 13. Kg2 Nxa1 14. Nf2 Bxf2 15. Kxf2 Nc2 16. Ne2 Be6 {Black continues to put pressure on White's center position. It is now only a matter of time before White cracks.} 17. Nc3 Rfd8 18. b3 Rac8 19. Ne4 h6 20. g4 f5 21. Ng3 fxg4 22. hxg4 Rf8 23. Rh4 Nd4 24. Nf5 Bxf5 25. gxf5 Rxf5 26. f4 Rxc1! {[If 27.Qxc1 Qf3+ 28.Kg1 Ne7+ wins the Q or Black can continue on the kingside attack with 27.Qxc1 Qf3+ 28.Kg1 Qg3+ 29.Kf1 Qxh4.]}0-1
Anubis
(1813) – Evilone (1972)
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. g3 Nf6 6. Bg2 Bc5 7. e3 Nb4
8. Nf3 (8. d4 exd4 9. exd4 Qxd4 10. Qe2+ Be7 11. Be3 Qd3 12. Qxd3
Nxd3+ 13. Ke2 Nxb2 14. Rb1 Nc4 15. Bxb7 Bxb7 16. Rxb7 Nxe3 17. Kxe3 Bc5+ 18.
Ke2 O-O 19. Nh3 Rac8 20. Rhb1 Rfe8+ 21. Kf1 a6 22. a4 Bxf2 23. Nxf2 Rxc3 24.
R7b6 Rc2 25. Rxa6 h5 26. Re1 Rxf2+ 27. Kxf2 Ng4+ 28. Kf1 Nxh2+ 29. Kf2 Ng4+
= {0.00}) 8... Nd3+ 9. Kf1 O-O 10. b3 Ng4 11. Ne4 f5 12. Nxc5 Nxc5 13. d4
Ne4 14. Nxe5 Nexf2 15. Qc2 Nxh1 16. Qc4+ Kh8 17. Bxh1 (17. Nf7+ Rxf7 18.
Qxf7 Nhf2 19. h3 Nh6 20. Qd5 Qxd5 21. Bxd5 Ne4 22. Kg2 Ng8 23. Bxe4 fxe4 24.
Ba3 Nf6 25. g4 Be6 26. Rc1 Nd5 27. Kf2 Rd8 28. Ke2 {-+ 2.84}) 17... Nxe5
18. dxe5 Qd1+ 19. Kg2 b5 20. Qc5? (20. Qc6 Bd7 (20... Qe2+ 21. Kg1 Qe1+
22. Kg2 Rb8 23. Ba3 Qxa1 24. Qc1 Qxa2+ 25. Qb2 Qxb2+ 26. Bxb2 Be6 27. Kf1
Rfc8 28. Bf3 Bxb3 29. h3 Rc2 30. Bd4 Rbc8 31. Be2 Ra2 32. g4 Rcc2 33. Kg2
Rxe2+ 34. Kg3 Rg2+ 35. Kh4 Be6 36. Bc5 fxg4 37. Kg5 gxh3+ 38. Kf4 Rg4+ 39.
Kf3 h2 40. e4 h1=Q+ 41. Ke3 Qh3+ (41... Qxe4#)) 21. Qf3 Qxf3+ (21... Qc2+
22. Kg1 Rfc8 23. Ba3 Bc6 24. Qf4 Bxh1 25. Kxh1 Qe2 26. Qf1 Qxe3 27. Re1 Qd2
28. Qe2 Qd5+ 29. Qg2 Qxg2+ 30. Kxg2 Rc2+ 31. Kf3 Rxh2 32. Bc5 Rxa2 33. e6 a5
34. Re5 g6 35. Bd4 Kg8 36. Rxb5 Rd8 37. Bc5 Re8 38. e7 a4 39. g4 Kf7 40. g5
axb3 41. Rxb3 Rc2 42. Bd4 Rxe7 43. Bf6 Rh2 44. Kg3 Ree2 45. Rb7+ Ke6 46.
Rb6+ Kd5 47. Rb5+ Kc4 48. Rb7 Rhg2+ 49. Kf3 Rgf2+ 50. Kg3 f4+ 51. Kh4 Re1
52. Rc7+ Kd3 53. Rc3+ Ke4 54. Rc4+ Kf3 55. Rc3+ Kg2 56. Rc4 Rfe2 57. Kg4 f3
58. Rf4 f2 59. Be5 Re4 60. Bb8 Rxf4+ 61. Kxf4 f1=Q+ {-+}) 22. Kxf3 Bc6+ 23.
Kf4 Bxh1 24. Ba3 Be4 25. Bxf8 Rxf8 26. e6 Re8 27. Ke5 Kg8 28. Rd1 a5 29. h3
b4 30. Rd2 h6 31. g4 g6 32. h4 Bb1 33. g5 hxg5 34. hxg5 Kg7 35. Rd7+ Kh8 36.
Kf6 Bxa2 37. Kf7 Bxb3 38. Kxe8 Bxe6 39. Rd6 Bg8 40. Rxg6 Kh7 41. Rf6 Kg7 42.
Rxf5 a4 43. Rf4 a3 44. Rxb4 Kg6 45. Rb5 { +- 3.22 a bad line for Black. This
was suggested by Fritz8.}) 20... Bb7+ 21. Kh3 Qxh1 22. Bb2 Bg2+ 23. Kh4
Qxh2+ 24. Kg5 Qh6# 0-1 BISHOP SAC ON f2 SQUARE After the moves 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. g3 Nf6 6. Bg2 Bc5 7. Nf3 e4 White sometimes plays 8.Ng5. At this point Black has the 8…Bxf2 sac which disrupts White’s development and wins back a pawn and N for the Black B. Groove
(1840) – Evilone (1889) 1. c4 d5 2. cxd5 c6 {The Vector Gambit} 3. dxc6 Nxc6 4. Nc3 e5 5. g3 Nf6 6. Bg2 Bc5 7. Nf3 e4 8. Ng5 Bxf2+ 9. Kxf2 Ng4+ 10. Ke1 Qxg5 11. Nxe4 Qg6 12. d4 O-O 13. Bf4 Bf5 14. Nc5 Rad8 (14... b6 15. Qa4 Nxd4 16. Qxd4 Rad8 17. Qc3 bxc5 18. Kf1 Rfe8 19. h3 Nf6 20. Qxc5 Ne4 21. Qa5 Bd7 22. Qe1 Qf6 23. Kg1 Qxb2 24. Rd1 Bc6 25. Rxd8 Rxd8 26. Qa5 Re8 27. Qa6 Ba8 28. Qxa7 Qxe2 29. Qe3 Qxa2 30. Rh2 Qa5 31. Bxe4 Qa1+ 32. Qc1 Qd4+ 33. Rf2 Qxe4 34. Kh2 Bd5 {-+ 1.19 with a slight plus for Black.}) 15. e3 Nb4 16. Rc1 (16. e4 Rxd4 17. Qxd4 (17. Qe2 Re8 18. Kf1 Qb6 19. Nb3 Bxe4 20. Bxe4 Rdxe4 21. Qxg4 Qc6 22. Qf3 Rxf4 23. Nd4 Rxf3+ 24. Kg1 Qd5 25. Nxf3 Qxf3 {-+}) 17... Nc2+ {and White's Q drops}) 16... b6 17. Nb3 Nd3+ 18. Ke2 Nxf4+ 19. gxf4 Nxe3 20. Qg1 Nxg2 {-+ 7.22 White's K is not safe. Black's attack on White's K is still very strong.} 0-1
BISHOP SAC ON H3 PAWN The B sac on the h3 pawn is very strong if the white squared B has been eliminated through a piece exchange. ArasanX
(2120) – DarkPrince (2120)
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. e3 e5 5. Bc4 Bd6 {White is
playing a Reversed Sicilian Kan type of pawn formation. I usually play the B
to this square against the Kan.} 6. d3 Nf6 7. Nf3 O-O 8. O-O a6 9. Nc3
Bg4 10. a3 Qe7 11. Nd5 (11. h3 Be6 12. e4 b5 13. Bxe6 Qxe6 14. Bg5 Rac8
15. Rc1 Kh8 16. b4 Ng8 17. Nd5 f6 18. Be3 Nge7 19. Qb3 f5 20. Rfe1 fxe4 21.
dxe4 Qg6 22. Ng5 h6 23. Nxe7 Bxe7 24. Qe6 Qe8 25. Nf3 Rf6 {+/- 1.00})
11... Nxd5 12. Bxd5 Rad8 13. Qa4 Bd7 14. Bd2 Kh8 15. Rac1 f5 16. Qb3 Rb8 17.
Qc2 Rf6 {Black does a R lift. I intend to play the R to a6 and will try
to line up the R & Q on the h file for the King side attack.} 18. Bc3 Rh6
19. e4 fxe4 20. Bxe4 Rf8 21. Rfe1 Bg4 22. Bxc6 bxc6 23. Nxe5 Qh4 24. h3?
Bxh3! 25. gxh3 (25. f3 Be6 26. Kf1 Qg3 27. Qf2 Rh1+ 28. Ke2 Rxe1+ 29.
Rxe1 Bxe5 30. Kf1 Qxf2+ 31. Kxf2 Bxc3 32. bxc3 Re8 {-+ 1.78}) 25... Qxh3
26. Nf7+ Rxf7 27. Re8+ 0-1 Master
Vampire (1959) – Evilone (1840)
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nf3 e5 5. d3 Nf6 6. Nbd2 {A new
move I have not seen in the Vector Gambit.} Bc5 7. e3 Ng4 {The pawns
at f7 & e6 appear to be weak. I was looking for a B sac on e3.} 8. Nb3
Bb6 9. Be2 O-O 10. h3 Nf6 11. O-O Bd7 12. a3 Qc8 {I was preparing for
the B sac on h3.} 13. Bd2 Bxh3 14. gxh3 Qxh3 15. Nh2 h5 16. Bf3 e4!
{A beautiful move.} 17. dxe4 (17. Bg2 Qh4 18. Be1 Qg5 19. dxe4 Rfd8
20. Nf3 Qg6 21. Qb1 Qg4 22. Nh2 Qg6 23. Bc3 Re8 24. e5 Qxb1 25. Rfxb1 Nxe5
26. Rd1 {+- 3.25}) 17... Bc7 18. Re1 {It is too late White cannot
escape mate mate in 4.} Bxh2+ 19. Kh1 Bg3+ 20. Kg1 Qh2+ 0-1 SCHEVENINGEN PIECE & PAWN SETUP White can setup a reverse Sheveningen type of piece & pawn configuration with the 2 N’s at f3 & c3, pawns at e3 & d3, half open c file, B’s at e2 & d2 and Q at either c2, b3 or a4. The Sheveningen setup is one of the most difficult setups for Black to attack. Paws
(2008) – Evilone (1879)
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nf3 e5 5. Nc3 Nf6 6. d3 Bc5 7. e3 O-O
8. Be2 Qe7 {White now has that Sicilian Scheveningen setup in reverse.
It is one of the most hard to crack in the Vector Gambit.} 9. a3 a5 10.
O-O Bf5 11. e4 Bg4 12. Bg5 Be6 {My B has to drop back to e6 to guard the
d5 square, otherwise White gets in Nd5 which could compromise my King side
position.} 13. Rc1 Ba7 14. Na4 h6 15. Bxf6 Qxf6 16. Nc5 Bc8 17. b4 axb4
18. axb4 Nxb4 19. d4 exd4 20. e5 Qe7 21. Ne4 (21. Qxd4 Na2 22. Rc2 Bf5
23. Rxa2 Bxc5 24. Qa1 Rxa2 25. Qxa2 Be4 26. Qc4 Bc6 {=/+ 0.28 with a slight
plus for Black.}) 21... Nc6 22. Bd3 (22. Re1 Nxe5 23. Ng3 Re8 24.
Nxd4 Rd8 25. Ngf5 Qf6 26. Qc2 Bxd4 27. Nxd4 Rxd4 { -+ 4.12}) 22... Bg4
23. Rxc6 {a desperation exchange sac to slow down my attack.} bxc6
24. Re1 Bxf3 25. Qxf3 Qxe5 26. Re2 c5 (26... Bb6 27. g3 Qd5 28. Rb2 Ra1+
29. Kg2 Ba7 30. Rb5 Qe6 31. Rb7 c5 32. Nd2 Qe1 33. Qe4 Qh1+ 34. Kh3 Qxe4 35.
Nxe4 Rb8 36. Rd7 Bb6 37. Bc4 Ra7 38. Bxf7+ Kf8 39. Rxa7 Bxa7 40. Bd5 d3 41.
Bc4 Rd8 42. Nd2 Bb6 {-+ 5.16}) 27. g4 Rab8 28. h4 Rfe8 29. g5 hxg5 30.
Nxg5 Qf6 31. Rxe8+ Rxe8 32. Qh5 Re1+ 33. Kg2 c4 34. Bh7+ Kf8 35. Be4 Ke7
{Forced, if not my K & Q gets forked with check which drops my Q.} 36.
Nh7 Qf4 37. Qd5? (37. Bf3 c3 38. Qa5 Bb8 39. Qc5+ Bd6 40. Qa7+ Bc7 41.
Qc5+ Qd6 42. Qg5+ Ke8 43. Qb5+ Kd8 44. Qd5 Qxd5 45. Bxd5 c2 46. Ng5 c1=Q {-+
and this should be an easy win for Black.}) 37... Qxe4+ {This cuts
off all of White's counter play. This is an easy endgame win for Black.}
38. Qxe4+ Rxe4 39. Ng5 Rxh4 40. Nf3 Rg4+ 41. Kh3 Re4 42. Kg2 c3 43. Ng5 Re5
(43... Rg4+ {I should have played this but I was in time pressure.})
44. f4 Rxg5+ 45. fxg5 c2 46. g6 c1=Q 47. gxf7 Kxf7 48. Kf3 Qe3+ 49. Kg4 Kf6
50. Kh4 Qg1 51. Kh3 Bb8 52. Kh4 Qg3+ 0-1 BLACK PLAYS 2…e5 AND GETS THE DANISH GAMBIT TYPE OF SETUP After 1.c4 d5 2.cxd5 c6 3.dxc6 e5 4.cxb.d7 Bxb7 Black obtains a Danish Gambit (1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2) type of pawn & piece setup. Chess
Genius – Clyde Nakamura
1. c4 d5 2. cxd5 c6 3. dxc6 e5 4. cxb7 Bxb7 {This is a Danish Gambit
type of setup in the Vector Gambit where Black has offered 2 gambit pawns
instead of just one pawn.} 5. Nf3 Nd7 6. Nc3 e4 7. Nd4 Bc5 8. Nb3 Bb6 9.
e3 Ngf6 10. d4 exd3 (10... O-O 11. Bd2 Bc7 12. Nb5 Bb8 13. Ba5 Qe7 14.
Rc1 Nd5 15. Qh5 f5 16. Nc3 Kh8 17. Bc4 Nxc3 18. Bxc3 Nb6 19. Be2 Nd5 20. Nc5
Bc6 21. Bc4 Bd6 22. b3 Nxc3 23. Rxc3 Bxc5 24. dxc5 Qxc5 25. O-O Qe7 26. Rfc1
Rad8 27. Ba6 Be8 28. Qe2 Bf7 29. Bc4 Rc8 30. Bxf7 Rxc3 31. Rxc3 Qxf7 {+/-
0.97 White still has a plus}) 11. Bxd3 O-O 12. O-O Ne5 13. Bf5 Qe7 14.
Nd4 Rad8 15. Qa4 g6 16. Bh3 Nh5 17. Qb3 Ba8 {As a precautionary measure
I moved my B to a8 to eliminate the possibility of a pin on the B at b7.}
18. Rd1 Qh4 19. Nce2 Bxd4 20. Nxd4 Ng4 21. Bxg4 Qxg4 22. f3 Qh4 23. Qa4 Ng7
24. Qxa7 Nf5 25. Qa4 Nxd4 26. exd4 (26. Rxd4 Qe1#) 26... Rfe8 27. Rf1
Re2 28. Qc4 Rde8 {Doubling R's on the e file to control the e file.}
29. Qd3 Bd5 30. Bd2 Bc4 31. Qxc4 {Attacking the b pawn and threatening
to double R's on the second rank.} Rxd2 32. Rab1 Ree2 {-+ 4.12
according to Fritz8 but the advantage is more than this because White now
has to sac the Q for R.} 33. Qxe2 {White had to take out one of my
R's with the Q but this leads to a lost game.} Rxe2 34. f4 Qg4 35. Rf2
Rxf2 36. Kxf2 Qxf4+ 37. Kg1 Qxd4+ 38. Kh1 Qd3 39. Ra1 Qc2 40. b4 Qb2 41. Rf1
Qxa2 42. g3 Qb2 43. Rf4 f5 44. h4 Kg7 45. Kg1 Kf6 46. Kf1 Ke5 47. Kg1 h6 48.
h5 g5 49. Rf2 Qxb4 50. Re2+ Kf6 51. Kg2 Qg4 52. Ra2 Qxh5 53. Ra6+ Ke7 54.
Ra7+ Kd6 55. Ra6+ Kc7 56. Ra7+ Kb6 57. Ra2 f4 58. gxf4 Qg4+ 59. Kf1 Qxf4+
60. Rf2 Qxf2+ {The Q for R exchange ensures that Black wins the game
because White cannot stop the 2 passed pawns.} 61. Kxf2 h5 62. Kf3 Kc5
63. Ke4 g4 64. Kf4 Kd5 65. Kg3 Ke4 66. Kf2 h4 {[Game continued on til
move 78 before White got checkmated.]} 0-1 OTHER GAMES Mchess Pro – Clyde Nakamura (2100) Test Game 1994
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 Nf6 5. Nf3 e5 6. d3 Bc5
7. a3 {[I do not believe 7.a3 is correct. There is still the thematic
7...e4 pawn thrust.]} e4 8. Ng5 {[If 8.Nxe4 Nxe4 9.dxe4 then Black
wins the Q with 9...Bxf2+.]} Bf5 9. Qb3 {[Black is ahead in
development and has a space advantage.]} Qe7! {[9...Qe7! Its a good
move. It covers both weak points at f7 & b7 and also threatens exd3 if White
does not exchange at e4.]} 10. dxe4 Nd4! 11. Qd1 Nxe4 12. Ngxe4 Bxe4 13.
Nxe4 Qxe4 14. Qa4+ b5 15. Qa5 O-O {[15...0-0 is a safe and solid move.
Now there is no threat of Qxb5+ and winning the Black B at c5.]} 16. e3
Nc2+ 17. Ke2 Nxa1 {[There was no checkmate with 17...Qc4+ 18.Kd1 Rad1+
19.Bd2 or 18.Kf3 ]} 18. Qc3 Rac8 19. f3 Qe6 {[19.Qe6 played to free
the Black N at a1 with Nb3.]} 20. Kf2 Nb3 21. Qe1 Nxc1 22. Qxc1 Rfe8!
{[Now the pressure on e3 is too deadly. White cannot defend the e3 square.]}
23. Qa1 Qxe3+ 24. Kg3 Bd6+ 25. Kh3 Qh6+ 26. Kg4 f5+ 27. Kxf5 Qf4# 0-1 Darioz
(1920) – Evilone (1916) 1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nf3 e5 5. g3 Nf6 6. Bg2 Bc5 7. O-O O-O 8. d3 Ng4 9. e3 {I was going to play the Nxf2 move to exchange N & B for R & pawn. White blocked my move.} f5 10. h3 Nf6 11. a3 a5 {To prevent b5.} 12. b3 Qe7 13. Bb2 Bd7 14. Nc3 Rae8 15. Ng5 h6 16. Nd5 Nxd5 17. Bxd5+ Kh8 18. Nf3 (18. h4 Rd8 19. d4 Bd6 20. Kg2 e4 21. Rh1 Qe8 22. Rc1 = {0.00 according to Fritz8}) 18...f4 19. Nh4 Qg5 20. Be4 fxg3 21. Ng6+ Kg8 22. Nxf8 Rxf8 23. d4 gxf2+ 24. Kh2 exd4 25. Bxd4 (25. Bh7+ Kxh7 26. Qc2+ Bf5 27. Qxc5 Qh4 28. Qxf5+ Rxf5 29. Rh1 Rg5 30. Rhg1 fxg1=Q+ 31. Rxg1 Qf2+ 32. Rg2 Qxg2#) 25... Bd6+ 26. Kh1 Qg3 {White cannot stop checkmate.} 0-1
Simdan
(1874) – Evilone (1974)
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nf3 e5 5. d3 Bc5 6. Nc3 Nf6 7. Bg5 h6
8. Bxf6 Qxf6 9. g3 Qe7 10. Bg2 Be6 {To prevent Nd5.} 11. O-O O-O 12.
a3 a6 13. b4 Ba7 14. Rc1 Rac8 {To over protect the N at c6.} 15. Qd2
Rfd8 {The 2 R's, Q & B at e6 are in the Smith-Morra Gambit piece setup.}
16. Qb2 f5 17. Na4 Bf7 {White threatened the capture the pawn at e5.}
18. Nc5 Bb8 19. Nh4 g6 {to guard the f pawn.} 20. Nxa6 Nd4 21.
Nxb8 Rxb8 22. e3 Nc6 23. Bxc6 bxc6 24. Rxc6 Kh7 25. Rfc1 Rd7 (25... Rb5
26. Qc3 Rbd5 27. Rc2 Rxd3 28. Qc5 Qe8 29. Rc7 R8d7 30. Nf3 Rd1+ 31. Kg2 Bd5
32. Rxd7+ Qxd7 33. Qc7 Be4 34. Rc4 g5 35. h3 Qxc7 36. Rxc7+ Kg6 37. g4 h5
38. gxf5+ Kxf5 39. Kg3 h4+ 40. Kg2 g4 41. hxg4+ Kxg4 42. Rg7+ Kf5 43. Rh7
Rd8 44. Rf7+ Kg4 45. Rg7+ Kf5 = {0.00 it is even according to Fritz8})
26. b5 Rbd8 27. d4 exd4 28. exd4 Rxd4 29. Rc7 Rd1+ 30. Rxd1 (30. Kg2
R8d7 31. Rxd7 Rxd7 32. Rc8 Bd5+ 33. f3 Qg7 34. Qxg7+ Kxg7 35. a4 {+- 2.91})
30... Rxd1+ 31. Kg2 Qxc7 32. b6 Qc6+ 33. Kh3 Be6 34. b7 f4+ 35. g4 Rd3+
36. f3 Rxf3+ 37. Nxf3 (37. Kg2 Rb3+ 38. Kf1 Rxb2 39. Ng2 Qxg2+ 40. Ke1
Qg1#) 37... Qxf3+ 38. Kh4 Qxg4# 0-1 It is very strange that I had to face my own gambit against a computer chess program called Absurd on the Internet Chess Club. I played a close game but Absurd eventually had a 2 pawn advantage and went on to win the game. Evilone
(2096) – Absurd (2514)
1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. Nc3 Nf6 5. d3 e6 {This is a
little bit slow. Better was 5...e5 which gives Black a much better
development.} 6. Nf3 Bc5 7. e3 O-O 8. Be2 e5 9. O-O Bf5 10. e4 Bg4 11.
Bg5 Be7 {Black did not like White posting my N at d5 where is could
cause problems on Black's K side.} 12. Bxf6 Bxf6 13. Nd5 Be6 14. Ne3 Rc8
15. Qa4 Qd7 16. Rfd1 Rc7 17. Bf1 Rd8 18. Rd2 Rcc8 19. Rad1 Nd4 20. Qxa7 Ra8
21. Qb6 Nxf3+ 22. gxf3 Ra6 23. Qb4 Ra4 24. Qb6 Rxa2 25. Nc2 Be7 26. d4 Qc6
27. Qxc6 bxc6 28. d5 cxd5 29. exd5 Bd7 30. d6 Bg5 31. Ne3 Ra4 32. b3 Rh4 33.
Rc2 Bf4 34. Ba6 (34. h3 Bg5 35. Rc5 f6 36. Rc7 Rd4 37. Bc4+ Kf8 38. Rxd4
exd4 39. Nc2 Bxh3 40. Rf7+ Ke8 41. Re7+ Kf8 42. Nxd4 Rxd6 43. Re4 {=/+ 0.31
and Black has a slight edge.}) 34... Bxh2+ 35. Kf1 Rd4 36. Rc7 Rxd1+ 37.
Nxd1 Be6 38. Bc4 Rxd6 39. Ne3 h6 40. b4 e4 41. fxe4 Rb6 42. Ra7 Bxc4+ 43.
Nxc4 Rxb4 44. Nd2 Bf4 45. Ra8+ Kh7 46. Nf3 Rxe4 {I do not believe that
White can hold this endgame 2 pawns down.} 47. Rf8 Kg6 48. Nh4+ Kf6 49.
Ng2 Bg5 50. Ra8 h5 51. f3 Rd4 52. Ra5 h4 53. f4 Bh6 (53... Bxf4 54. Nxh4
g5 55. Nf5 Rd2 56. Nh6 Ke6 57. Ra6+ Bd6 58. Ra5 f6 {-+ 2.16}) 54. Rh5
Bxf4 55. Rxh4 g5 56. Rh6+ Ke5 57. Rh7 Rd1+ 58. Ke2 Rd2+ 59. Kf1 f5 60. Re7+
Kf6 61. Re8 Bg3 62. Ne3 Kf7 63. Ra8 g4 64. Ra5 (64. Nxg4 fxg4 65. Ra4
Rf2+ 66. Kg1 Rf4 67. Ra5 Rd4 {-+ 4.72}) (64. Ra4 Ke6 65. Nxg4 f4 66. Ne3 Kf6
67. Ra6+ Kg5 68. Ra5+ Kh4 69. Ng2+ Kg4 70. Nxf4 Rf2+ 71. Kg1 Kxf4 72. Ra4+
Kf3 73. Ra3+ Kg4 74. Ra4+ Kh3 75. Ra3 Re2 76. Rf3 Kg4 77. Rf7 Bf4 78. Kf1
Rh2 79. Kg1 Rb2 80. Kf1 Kf3 81. Re7 Rh2 82. Rg7 Ra2 83. Re7 Rf2+ 84. Ke1 Rh2
85. Kd1 Rd2+ 86. Ke1 Rd8 87. Kf1 Rh8 88. Rg7 Rh2 89. Rg8 Bh6 90. Kg1 Rc2 91.
Kh1 Rc4 92. Rg2 Rc5 93. Rg6 (93. Rg1 Rh5#) (93. Rb2 Rc1+ 94. Kh2 Bf4+ 95.
Kh3 Rh1+ 96. Rh2 Rxh2#) 93... Rh5+ 94. Kg1 Be3+ 95. Kf1 Rh1+ 96. Rg1 Rxg1#)
64... Kg6 65. Ra8 Bf4 66. Ng2 Bg5 67. Ra6+ Kf7 68. Ra5 Ke6 69. Rb5 Kf6
70. Ra5 f4 0-1 DECLINED LINE 3.e4 In the following game at the Hawaii International 1994, I did not play the opening & middlegame correctly and was lost early in the opening. After analyzing this game I came to the conclusion that White’s declined 3.e4 line does not give White any advantage in the opening. Tom Dorsch
(2200) – Clyde Nakamura (2100)
1. c4 d5 2. cxd5 c6 3. e4 {One of the declined lines.} cxd5 4.
exd5 Qxd5 5. d4 Nc6 6. Nf3 Bg4 7. Be2 Nf6 8. h3 Bf5 (8... Bxf3 9. Bxf3
Qd7 10. Be3 Rd8 11. Nc3 e6 12. Rc1 Be7 13. O-O O-O =) 9. Nc3 Qa5 10. Qb3
Bd7 ({Better was} 10... Qb4 11. Qxb4 Nxb4 12. Bb5+ Bd7 13. Bxd7+ Kxd7
14. Ke2 e6 15. Bg5 Be7 16. Rhc1 Rhc8 =) (10... O-O-O 11. Qxf7 e6 12. g4 Rd7
13. Qxd7+ Nxd7 14. gxf5 exf5 15. Bd2 Bb4 16. O-O {-/+ 0.91 Black got a Q for
B & R. out of the exchange.}) 11. Bf4 Nxd4 {This is the losing move.
I had played for the fork trick but will be in deep trouble in a couple of
moves.} 12. Nxd4 e5 13. Qxb7 Rc8 14. Nb3 Qd8? ({Better was} 14... Qb4
15. Qxb4 Bxb4 16. Bxe5 Ne4 17. Rc1 O-O 18. Kf1 f5 19. Nd5 Rxc1+ 20. Nxc1 Re8
21. Nd3 Ba5 22. b4 Bc6 23. Nc3 Bb6 24. f3 Nd2+ 25. Ke1 Nc4 26. Bf4 Bd4 27.
Nd1 Bb5 28. Kf1 h6 29. h4 Kf8 {+- 3.91 Even with this line White has an
edge.}) 15. Bxe5 Be7 16. Rd1 O-O (16... Rc6 17. Qxa7 Re6 18. Bc7 Qc8
19. Nd4 Rxe2+ 20. Ndxe2 Bc6 21. O-O O-O {+- 6.56 This line was better than
what was played but Black is still down quite a bit.}) 17. Bxf6 Bxf6 18.
Qxd7 Qb6 19. Nd5 Qb8 20. Nxf6+ gxf6 21. O-O 1-0 Conclusion If White accepts the gambit pawn at c6, then Black obtains excellent development for his pieces and has very good King side attacking chances. In the gambit accepted line the opening is very similar to the Sicilian Smith-Morra Gambit (1.e4 c5 2.d4 cxd4 3.c3). Whatever tactics and strategy that you have in the Smith-Morra Gambit can also be used in the Vector Gambit. However I have noticed that there are some differences such as you will see more fianchetto White King side positions than you do in the Smith-Morra Gambit and also Black often times plays f5 at some point in the game to attack White’s King side. Most of the Vector Gambit declined lines do transpose back into orthodox opening lines, however there are probably some declined lines that are unique only to the Vector Gambit. Like the Sicilian Smith-Morra Gambit, the Vector Gambit has a very similar trap right in the opening. It really is not clear whether a Danish Gambit (1.c4 d5 2.cxd5 c6 3.dxc6 e5 4.cxb7 Bxb7) type of opening setup for Black is sound. More games with this line will be needed to test this line.
This article is a road map for those players who want to play the Black side
of this gambit.
References Yahoo Unorthodox Chess Openings Download a zipped pgn file with the
21 games from this article.
Copyright 2005
Clyde
Nakamura. All rights
reserved.
See more of Clyde's Unorthodox
Chess Openings in Opening Analysis at Chessville
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