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Up Topic The Rybka Lounge / Test Positions / Exploring the Elephant Gambit
- By MrKris (***) Date 2020-10-20 06:02
Part I

Conditions as in the game headers.
5 Dbl. RR's, each:
                        Elo  +-   Games   Score             Draws
1 Cfish-201011-Pure      97  93  17.0/30  56.7% +10 =14 -6  46.7%
2 Lc0v0.26.3_J92-270     80  93  16.0/30  53.3%  +9 =14 -7  46.7%
3 ShashChess15mcts       71  76  15.5/30  51.7%  +6 =19 -5  63.3%
4 Stockfish_201005-Clas   0  97  11.5/30  38.3% +5 =13 -12  43.3%
                         60 games                           50.0%
5 Dbl. RR's, each:                White performance:
(1) 1.e4 e5 2.Nf3 d5 3.Nxe5 Bd6:   +2 =10 -0   7.0/12: 58%
(2) 1.e4 e5 2.Nf3 d5 3.Nxe5 dxe4:  +3  =9 -0   7.5/12: 63%
(3) 1.e4 e5 2.Nf3 d5 3.exd5! e4!:  +4  =8 -0   8.5/12: 67%
(4) 1.e4 e5 2.Nf3 d5 3.exd5 Qxd5: +11  =1 -0  11.5/12: 96%
(5) 1.e4 e5 2.Nf3 d5 3.exd5 Bd6:  +10  =2 -0  11.0/12: 92%
                            All:  +30 =30 -0  45.0/60: 75%
 


With (2) 1.e4 e5 2.Nf3 d5 3.Nxe5 dxe4
all 12 games continued the same through 14.Be4.
Then 14...Bh5 was seen in 6 games, where all 6 were draws.
[Event "G/6'+1.5'' 8GBh Sy.6"]
[Site "R7 2700X | RTX 2060"]
[Date "2020.10.18"]
[Round "3"]
[White "Cfish-201011-Pure"]
[Black "Lc0v0.26.3_J92-270"]
[Result "1/2-1/2"]
[ECO "C40"]
[Opening "Elephant Gambit"]
[Variation "3.Nxe5 dxe4 4.Bc4"]
[TimeControl "360+6"]
[Termination "adjudication"]
[PlyCount "167"]
[WhiteType "human"]
[BlackType "human"]

1. e4 {book} e5 {book} 2. Nf3 {book} d5 {book} 3. Nxe5 {book} dxe4 {book}
4. Bc4 {+1.41/33 0 8.0s} Nh6 {-0.56/17 0 5.1s} 5. d4 {+1.41/34 0 5.3s} Nd7
{-0.59/20 0 3.9s} 6. O-O {+1.36/35 0 5.5s} Nxe5 {-0.61/20 0 4.2s} 7. dxe5
{+1.59/32 0 4.2s} Qxd1 {-0.58/21 0 4.5s} 8. Rxd1 {+1.39/33 0 4.8s} Ng4
{-0.54/19 0 4.7s} 9. Nc3 {+1.37/34 0 5.4s} Nxe5 {-0.52/19 0 5.2s} 10. Nb5
{+1.34/36 0 5.3s} Bd6 {-0.52/15 0 5.2s} 11. Bd5 {+1.47/34 0 5.4s} Bg4
{-0.49/18 0 10s} 12. Nxd6+ {+1.49/32 0 5.4s} cxd6 {-0.52/18 0 3.9s} 13. Rd4
{+1.26/34 0 9.4s} O-O-O {-0.54/18 0 6.6s} 14. Bxe4 {+1.29/32 0 4.4s} Be6
{-0.54/17 0 9.5s} 15. Bf4 {+1.48/27 0 4.8s} d5 {-0.52/17 0 6.9s} 16. Bxe5
{+1.63/31 0 5.1s} dxe4 {-0.51/16 0 5.1s} 17. Rxe4 {+1.62/31 0 6.7s} Rhg8
{-0.41/9 0 21s} 18. Bd4 {+1.54/31 0 12s} a6 {-0.42/9 0 17s} 19. c3
{+1.69/28 0 4.1s} Bd5 {-0.38/9 0 18s} 20. Rf4 {+1.74/31 0 17s} f6 {-0.34/8
0 12s} 21. f3 {+1.60/32 0 12s} Rge8 {-0.34/8 0 12s} 22. Kf2 {+1.68/35 0
17s} Re6 {-0.39/9 0 14s} 23. b3 {+1.81/32 0 4.1s} Bc6 {-0.37/9 0 6.0s} 24.
a4 {+1.71/33 0 6.9s} Kd7 {-0.35/10 0 5.9s} 25. Rg4 {+1.52/37 0 30s} g5
{-0.35/11 0 6.3s} 26. h4 {+1.36/34 0 5.9s} h6 {-0.33/11 0 6.2s} 27. Rh1
{+1.42/33 0 4.5s} f5 {-0.24/15 0 9.3s} 28. Rg3 {+0.47/35 0 12s} f4
{-0.21/14 0 4.1s} 29. Rg4 {+0.43/35 0 5.5s} Rg6 {-0.19/13 0 4.9s} 30. hxg5
{+0.52/38 0 21s} hxg5 {-0.17/12 0 8.6s} 31. Rh5 {+0.26/37 0 8.2s} Rdg8
{-0.11/12 0 12s} 32. g3 {+0.28/39 0 4.6s} fxg3+ {-0.11/11 0 5.2s} 33. Rxg3
{+0.32/40 0 6.6s} Rf8 {-0.10/10 0 6.2s} 34. Ke2 {+0.32/39 0 8.2s} Rf5
{-0.09/9 0 15s} 35. Be3 {+0.24/34 0 3.7s} Re6 {-0.05/9 0 12s} 36. f4
{+0.52/41 0 3.5s} Rxf4 {-0.06/8 0 9.3s} 37. Rhxg5 {+0.33/42 0 30s} Re7
{-0.06/7 0 23s} 38. a5 {+0.52/48 0 3.4s} Rff7 {-0.06/6 0 7.9s} 39. c4
{+0.52/45 0 3.7s} Rf4 {-0.07/6 0 8.3s} 40. Kd2 {+0.52/50 0 3.1s} Rf3
{-0.02/7 0 3.9s} 41. Rxf3 {+0.52/48 0 3.2s} Bxf3 {-0.04/6 0 5.4s} 42. Rg8
{+0.52/51 0 3.8s} Re5 {-0.02/6 0 15s} 43. Rg7+ {+0.52/46 0 3.2s} Ke8
{-0.02/6 0 7.7s} 44. Rg3 {+0.52/52 0 3.5s} Bc6 {-0.02/6 0 6.6s} 45. Bb6
{+0.52/49 0 3.1s} Rf5 {-0.02/5 0 7.8s} 46. Rg7 {+0.52/47 0 3.2s} Rf3
{-0.02/5 0 6.8s} 47. Kc2 {+0.52/53 0 6.6s} Rh3 {-0.02/6 0 6.6s} 48. Kb2
{+0.52/49 0 3.7s} Bh1 {-0.02/5 0 6.3s} 49. Rg8+ {+0.52/66 0 3.3s} Kf7
{-0.02/6 0 5.6s} 50. Rd8 {+0.52/48 0 6.4s} Ke7 {-0.01/5 0 5.6s} 51. Rd4
{+0.52/47 0 2.9s} Ke6 {-0.02/5 0 5.2s} 52. Bc7 {+0.52/52 0 2.9s} Ke7
{-0.02/5 0 4.9s} 53. Rd2 {+0.52/50 0 3.5s} Bc6 {-0.02/5 0 4.5s} 54. Rd1
{+0.52/49 0 3.0s} Bf3 {-0.01/5 0 4.3s} 55. Rd3 {+0.52/56 0 3.0s} Bg2
{-0.02/5 0 3.9s} 56. Rd4 {+0.52/52 0 4.2s} Bc6 {-0.02/5 0 3.7s} 57. Bf4
{+0.52/47 0 3.1s} Ke8 {-0.02/5 0 3.5s} 58. Rd1 {+0.52/53 0 4.5s} Bf3 {0.005
3.2s} 59. Rd3 {+0.52/55 0 3.9s} Bg2 {-0.02/5 0 3.0s} 60. Rd6 {+0.52/58 0
3.7s} Ke7 {-0.01/5 0 2.8s} 61. Rd2 {+0.52/56 0 2.8s} Bc6 {-0.02/5 0 2.6s}
62. Bh2 {+0.52/51 0 6.1s} Re3 {-0.01/5 0 2.6s} 63. Bg1 {+0.52/49 0 3.4s}
Rg3 {-0.01/5 0 2.4s} 64. Bc5+ {+0.52/50 0 3.0s} Kf7 {-0.02/5 0 2.3s} 65.
Rd8 {+0.52/48 0 2.9s} Rg8 {-0.01/5 0 2.2s} 66. Rd6 {+0.52/49 0 4.5s} Rg5
{-0.01/5 0 2.0s} 67. Bb4 {+0.52/50 0 9.0s} Rg6 {-0.02/4 0 2.0s} 68. Rd8
{+0.52/48 0 9.2s} Rg8 {-0.01/4 0 1.9s} 69. Rd6 {+0.52/45 0 2.8s} Rg6
{-0.02/4 0 1.9s} 70. Rd8 {+0.52/45 0 5.3s} Rg8 {0.004 1.7s} 71. Rd4
{+0.52/43 0 4.6s} Rg3 {-0.02/4 0 1.9s} 72. Rh4 {+0.52/38 0 4.4s} Rf3
{-0.02/4 0 1.8s} 73. Bc5 {+0.52/38 0 5.3s} Rf5 {-0.01/4 0 1.7s} 74. Bb6
{+0.52/40 0 2.9s} Ke6 {-0.02/4 0 1.7s} 75. Rh2 {+0.52/33 0 3.9s} Rf3
{-0.01/4 0 1.7s} 76. Re2+ {+0.44/29 0 2.8s} Kd7 {-0.01/5 0 1.6s} 77. Rd2+
{+0.49/32 0 13s} Ke6 {-0.01/5 0 1.6s} 78. Re2+ {+0.40/26 0 1.7s} Kd6
{-0.01/5 0 1.6s} 79. Ka3 {+0.37/24 0 0.27s} Rd3 {0.005 1.6s} 80. Kb2
{+0.12/25 0 4.5s} Bf3 {0.005 1.6s} 81. Re8 {+0.25/19 0 0.15s} Bc6 {-0.02/5
0 1.2s} 82. Re1 {+0.12/22 0 1.6s} Kd7 {-0.01/5 0 1.9s} 83. Bc5 {+0.09/22 0
0.45s} Rh3 {-0.01/5 0 1.6s} 84. Re7+ {+0.06/22 0 0.96s, Draw by
adjudication} 1/2-1/2

[Event "G/6'+1.5'' 8GBh Sy.6"]
[Site "R7 2700X | RTX 2060"]
[Date "2020.10.18"]
[Round "3"]
[White "Lc0v0.26.3_J92-270"]
[Black "Cfish-201011-Pure"]
[Result "1/2-1/2"]
[ECO "C40"]
[Opening "Elephant Gambit"]
[Variation "3.Nxe5 dxe4 4.Bc4"]
[TimeControl "360+6"]
[Termination "adjudication"]
[PlyCount "119"]
[WhiteType "human"]
[BlackType "human"]

1. e4 {book} e5 {book} 2. Nf3 {book} d5 {book} 3. Nxe5 {book} dxe4 {book}
4. Bc4 {+0.61/17 0 4.0s} Nh6 {-1.45/33 0 8.7s} 5. d4 {+0.62/21 0 4.5s} Nd7
{-1.19/33 0 3.8s} 6. O-O {+0.62/20 0 4.4s} Nxe5 {-1.31/34 0 5.6s} 7. dxe5
{+0.61/22 0 4.2s} Qxd1 {-1.28/33 0 5.0s} 8. Rxd1 {+0.60/21 0 4.4s} Ng4
{-1.38/36 0 7.7s} 9. Nc3 {+0.59/20 0 4.7s} Nxe5 {-1.25/35 0 4.9s} 10. Nb5
{+0.56/19 0 6.6s} Bd6 {-1.26/33 0 4.8s} 11. Bd5 {+0.55/16 0 11s} Bg4
{-1.24/33 0 4.3s} 12. Nxd6+ {+0.53/18 0 4.4s} cxd6 {-1.21/34 0 5.5s} 13.
Rd4 {+0.57/19 0 7.3s} O-O-O {-1.28/35 0 7.4s} 14. Bxe4 {+0.58/17 0 6.1s}
Bh5 {-1.16/31 0 6.2s} 15. Be3 {+0.62/9 0 37s} Bg6 {-1.25/31 0 5.5s} 16. Bd5
{+0.71/9 0 7.0s} Rhe8 {-1.26/31 0 5.6s} 17. Rd2 {+0.69/8 0 15s} Kb8
{-1.24/31 0 4.7s} 18. Bf4 {+0.67/8 0 7.4s} Re7 {-0.92/31 0 27s} 19. Rad1
{+0.58/8 0 12s} Kc7 {-0.86/31 0 13s} 20. f3 {+0.50/8 0 11s} f6 {-0.93/28 0
5.0s} 21. h4 {+0.49/9 0 5.9s} Bf7 {-0.92/32 0 10s} 22. Be4 {+0.49/9 0 4.8s}
Bg6 {-0.89/30 0 3.7s} 23. Bxg6 {+0.50/9 0 5.9s} hxg6 {-1.05/32 0 10s} 24.
Rd4 {+0.52/9 0 8.1s} b6 {-1.12/33 0 23s} 25. Kf2 {+0.52/8 0 11s} Nf7
{-0.96/28 0 4.0s} 26. b4 {+0.51/10 0 13s} Re6 {-0.81/30 0 8.6s} 27. c4
{+0.50/10 0 3.1s} Kc6 {-0.78/33 0 20s} 28. a4 {+0.50/10 0 7.0s} Rde8
{-0.82/32 0 3.1s} 29. R1d2 {+0.47/13 0 19s} Rh8 {-0.78/32 0 4.2s} 30. Bg3
{+0.48/13 0 1.3s} Rh5 {-0.74/31 0 3.9s} 31. b5+ {+0.56/13 0 8.6s} Kc7
{-0.76/32 0 6.5s} 32. a5 {+0.57/13 0 8.9s} bxa5 {-0.81/31 0 5.9s} 33. Ra2
{+0.46/15 0 5.9s} Nd8 {-0.90/33 0 10s} 34. Rg4 {+0.43/14 0 5.8s} f5
{-0.93/33 0 5.7s} 35. Rd4 {+0.41/12 0 5.0s} Nb7 {-0.79/29 0 3.8s} 36. Rad2
{+0.41/12 0 20s} Kd7 {-0.66/28 0 4.1s} 37. Rd5 {+0.45/11 0 9.5s} Ke8
{-0.43/30 0 5.3s} 38. R2d4 {+0.30/13 0 15s} Rh8 {-0.13/31 0 8.4s} 39. Bxd6
{+0.22/13 0 4.5s} Nxd6 {-0.04/39 0 4.2s} 40. Rxd6 {+0.18/16 0 5.7s} Rxd6
{-0.04/41 0 5.5s} 41. Rxd6 {+0.17/15 0 1.2s} Rxh4 {-0.04/45 0 3.9s} 42. Rc6
{+0.15/14 0 11s} g5 {0.0037 3.8s} 43. Ke3 {+0.11/15 0 14s} g4 {0.0038 3.9s}
44. Kd3 {+0.19/12 0 9.8s} gxf3 {0.0042 5.4s} 45. gxf3 {+0.17/13 0 1.7s} Rf4
{0.0044 11s} 46. Re6+ {+0.11/12 0 9.4s} Kd8 {0.0050 3.9s} 47. Ra6 {+0.09/13
0 3.3s} Rxf3+ {0.0054 3.5s} 48. Kd4 {+0.07/14 0 3.6s} f4 {0.0055 3.6s} 49.
Rxa5 {+0.10/11 0 8.3s} g5 {0.0060 3.6s} 50. Rxa7 {+0.06/11 0 6.4s} g4
{0.0062 5.5s} 51. Rg7 {+0.03/11 0 10s} g3 {0.0067 3.6s} 52. Rg8+ {+0.03/9 0
7.1s} Ke7 {0.0069 3.4s} 53. b6 {+0.02/8 0 3.8s} Rb3 {0.0080 4.2s} 54. b7
{+0.02/7 0 5.0s} g2 {0.0078 4.2s} 55. Rxg2 {+0.03/6 0 2.2s} Kd6 {0.00129
3.5s} 56. c5+ {+0.02/5 0 5.8s} Kc6 {0.00125 4.9s} 57. Rg6+ {0.003 3.8s}
Kxb7 {0.00139 5.7s} 58. Kc4 {0.004 3.4s} Rb2 {0.00209 3.3s} 59. Kc3 {0.004
3.1s} Rb5 {0.0053 3.2s} 60. Rg2 {0.004 2.9s, Draw by adjudication} 1/2-1/2


IM Perunovic recommends for white 11.Nxd6 cxd6 12.Bd5:
Crushing The Elephant Gambit
https://www.youtube.com/watch?v=WqeUrv_zanQ
He says (1) 1.e4 e5 2.Nf3 d5 3.Nxe5 Bd6 is the main move for black, with which black did relatively best here.

The sideline variations went very badly for black:

(4) 1.e4 e5 2.Nf3 d5 3.exd5 Qxd5: white +11  =1 -0  11.5/12: 96%
--Transposes into a known bad Scandinavian:
4.Nc3 Qd6 or 4...Qa5 are the same as 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6/Qa5 4.Nf3 e5?.

(5) 1.e4 e5 2.Nf3 d5 3.exd5 Bd6: white +10  =2 -0  11.0/12: 92%
--The engines were too accurate with white for black to obtain enough compensation.
Attachment: Elephant-RR.pgn - Games (185k)
- By MrKris (***) Date 2020-10-20 17:58
Part II

In the critical variation (3) 1.e4 e5 2.Nf3 d5 3.exd5(!) e4(!)
5.Nc3 was seen 5 times, all draws.

But 5.d3 was in the other 7 games with white 79%, 5.5 of 7.

Against each other Cfish-Pure vs. Lc0 white won in both.

CfP 1-0 Lc0 with 6.Nc3:
[Event "G/6'+1.5'' 8GBh Sy.6"]
[Site "R7 2700X | RTX 2060"]
[Date "2020.10.18"]
[Round "3"]
[White "Cfish-201011-Pure"]
[Black "Lc0v0.26.3_J92-270"]
[Result "1-0"]
[ECO "C40"]
[Opening "Elephant Gambit"]
[Variation "Paulsen"]
[TimeControl "360+6"]
[Termination "adjudication"]
[PlyCount "96"]
[WhiteType "human"]
[BlackType "human"]

1. e4 {book} e5 {book} 2. Nf3 {book} d5 {book} 3. exd5 {book} e4 {book} 4.
Qe2 {+1.22/30 0 8.4s} Nf6 {-0.56/14 0 4.1s} 5. d3 {+1.16/29 0 3.5s} Qxd5
{-0.56/13 0 4.7s} 6. Nc3 {+1.35/29 0 9.9s} Bb4 {-0.51/13 0 8.2s} 7. Nd2
{+1.38/29 0 4.7s} Bxc3 {-0.52/12 0 5.9s} 8. bxc3 {+1.29/30 0 5.6s} Nc6
{-0.55/12 0 19s} 9. dxe4 {+1.50/27 0 4.7s} Qa5 {-0.57/12 0 9.9s} 10. Bb2
{+1.51/34 0 24s} a6 {-0.55/12 0 3.0s} 11. Qe3 {+1.37/29 0 3.9s} Be6
{-0.57/12 0 6.2s} 12. Nb3 {+1.55/29 0 5.4s} Qa4 {-0.59/13 0 17s} 13. Bd3
{+1.74/28 0 7.4s} O-O-O {-0.64/13 0 11s} 14. O-O {+1.66/29 0 9.9s} Nd7
{-0.70/11 0 8.8s} 15. Bc1 {+1.82/30 0 24s} Rhe8 {-0.77/8 0 10s} 16. Qg3
{+1.90/26 0 8.1s} Nde5 {-0.55/12 0 3.9s} 17. Bg5 {+1.93/29 0 10s} Rd6
{-0.75/13 0 8.8s} 18. Bf4 {+2.37/26 0 3.2s} Bc4 {-0.78/14 0 3.2s} 19. Rfd1
{+2.38/27 0 4.7s} b6 {-0.80/17 0 11s} 20. Qxg7 {+2.40/31 0 4.7s ---The begining of tactical fireworks.---} Bxd3
{-0.82/18 0 2.4s} 21. cxd3 {+2.41/32 0 4.9s} Rxd3 {-0.80/18 0 5.3s} 22.
Rxd3 {+2.36/33 0 7.2s} Nxd3 {-0.83/18 0 4.3s} 23. Qxf7 {+2.81/31 0 4.3s +- ---White is 2 pawns ahead, black does not have the compensation its evals. might indicate.---}
Re7 {-0.87/17 0 5.0s} 24. Qf5+ {+2.45/31 0 5.7s} Kb7 {-0.87/15 0 1.1s} 25.
f3 {+2.60/31 0 5.4s} Qc4 {-0.94/16 0 14s} 26. Bd2 {+2.62/32 0 7.7s} Nce5
{-0.97/16 0 13s} 27. Rf1 {+2.83/32 0 6.8s} a5 {-1.17/15 0 23s} 28. f4
{+3.09/31 0 5.7s} a4 {-1.17/19 0 18s} 29. Nd4 {+3.34/30 0 5.2s} Qxa2
{-1.25/17 0 2.9s} 30. fxe5 {+5.19/33 0 5.2s} Qxd2 {-1.63/15 0 4.1s} 31. e6
{+5.45/30 0 4.1s} Qxc3 {-2.09/14 0 8.0s ? ---Looses quickly because of white's upcoming N sac.---} 32. Qd5+ {+13.64/32 0 5.0s} c6
{-2.58/14 0 4.3s} 33. Nxc6 {+14.58/31 0 4.4s ! ---Pawn promotion theme.---} Qxc6 {-4.53/13 0 8.9s} 34.
Rf7 {+15.55/31 0 6.1s} Rc7 {-5.20/12 0 11s} 35. e7 {+16.00/30 0 5.3s} Qxd5
{-5.85/13 0 8.4s} 36. exd5 {+16.25/30 0 5.7s} Rc1+ {-6.19/12 0 8.0s} 37.
Rf1 {+4.78/6 0 0s} Rc8 {-5.70/12 0 5.5s} 38. d6 {+16.88/34 0 4.1s} Kc6
{-6.66/12 0 12s} 39. Rf8 {+17.43/34 0 4.3s} Kxd6 {-6.86/12 0 5.5s} 40. Rxc8
{+18.31/34 0 8.4s} Kxe7 {-7.14/12 0 5.0s} 41. Rb8 {+19.01/35 0 5.7s} Kd6
{-7.47/11 0 12s} 42. Rd8+ {+47.11/30 0 5.0s} Kc5 {-6.22/11 0 12s} 43. Rxd3
{+152.51/60 0 4.1s} b5 {-6.80/11 0 8.9s} 44. Kf2 {+152.61/57 0 74s} b4
{-7.94/10 0 5.9s} 45. Ke2 {+152.65/41 0 3.1s} a3 {-8.57/10 0 11s} 46. Rd1
{+152.65/37 0 26s} Kc4 {-9.84/10 0 9.8s} 47. Kd2 {+152.65/35 0 5.0s} Kb3
{-9.67/9 0 4.4s} 48. Rb1+ {+152.65/33 0 14s} Ka4 {-12.01/9 0 9.8s, White
wins by adjudication} 1-0

Lc0 1-0 CfP with 6.Nbd2:
[Event "G/6'+1.5'' 8GBh Sy.6"]
[Site "R7 2700X | RTX 2060"]
[Date "2020.10.18"]
[Round "3"]
[White "Lc0v0.26.3_J92-270"]
[Black "Cfish-201011-Pure"]
[Result "1-0"]
[BlackElo "2400"]
[ECO "C40"]
[Opening "Elephant Gambit"]
[Variation "Paulsen"]
[WhiteElo "2400"]
[TimeControl "360+6"]
[Termination "normal"]
[PlyCount "118"]
[WhiteType "human"]
[BlackType "human"]

1. e4 {book} e5 {book} 2. Nf3 {book} d5 {book} 3. exd5 {book} e4 {book} 4.
Qe2 {+0.55/14 0 3.9s} Nf6 {-1.32/29 0 7.6s} 5. d3 {+0.59/14 0 5.2s} Qxd5
{-1.02/29 0 4.4s} 6. Nbd2 {+0.60/13 0 4.2s} Nc6 {-1.23/30 0 6.7s} 7. dxe4
{+0.58/13 0 4.7s} Qe6 {-1.36/30 0 10s} 8. Qc4 {+0.57/12 0 9.7s} Qe7
{-1.22/29 0 9.9s} 9. Be2 {+0.60/13 0 17s} Bd7 {-1.21/30 0 15s} 10. O-O
{+0.66/10 0 7.5s} O-O-O {-1.34/28 0 8.4s} 11. Re1 {+0.65/11 0 5.2s} h6
{-1.44/30 0 31s} 12. Bf1 {+0.64/12 0 12s} Be6 {-1.29/31 0 19s} 13. Qa4
{+0.62/15 0 10s} Qb4 {-1.39/28 0 4.1s} 14. Bb5 {+0.65/16 0 3.9s} Bc5
{-1.29/29 0 3.8s} 15. h3 {+0.67/16 0 4.4s} g5 {-1.30/29 0 5.1s} 16. e5
{+0.75/15 0 8.8s} Qxa4 {-1.52/31 0 11s} 17. Bxa4 {+0.73/15 0 11s} Nd7
{-1.48/34 0 16s} 18. Ne4 {+0.70/15 0 20s} Bb6 {-1.52/31 0 3.2s} 19. Bxc6
{+0.71/15 0 0.30s} bxc6 {-1.70/31 0 4.1s} 20. a4 {+0.70/15 0 7.5s} a5
{-1.39/33 0 4.5s} 21. b3 {+0.74/15 0 11s} Bd5 {-1.16/32 0 14s} 22. Bb2
{+0.86/17 0 10s} Rhg8 {-2.24/38 0 46s} 23. Nh2 {+0.91/17 0 4.9s} g4
{-2.05/33 0 9.3s ?} 24. hxg4 {+1.10/20 0 8.3s} h5 {-2.01/34 0 3.1s} 25. g5
{+1.18/20 0 5.0s !} (25. gxh5 {??} Nc5 {-+}) 25. .. Nc5 {-1.83/35 0 6.8s}
26. Nxc5 {+1.38/15 0 12s} Bxc5 {-2.19/34 0 6.9s} 27. Bc1 {+1.31/16 0 5.2s !
---Black does not seem to have achived anything from 23...g4?.---} Bb4
{-2.19/34 0 4.4s} 28. Re2 {+1.24/17 0 6.8s} Be6 {-2.15/32 0 4.2s} 29. Bf4
{+1.27/15 0 8.0s} c5 {-2.11/33 0 4.3s} 30. Nf3 {+1.31/16 0 5.1s} c4
{-2.17/31 0 4.7s} 31. bxc4 {+1.27/15 0 5.3s} Bxc4 {-1.96/30 0 3.2s} 32. Re3
{+1.25/15 0 7.8s} Be6 {-2.09/34 0 22s} 33. Rc1 {+1.25/14 0 15s} Rd5
{-2.14/31 0 13s} 34. Re4 {+1.41/15 0 10s} Bc5 {-2.63/34 0 24s} 35. Rf1
{+1.56/10 0 32s} Rd7 {-2.25/34 0 36s} 36. Rb1 {+1.47/9 0 6.7s} Rg6
{-1.60/28 0 3.9s} 37. Bd2 {+1.25/11 0 6.3s} Bd5 {-1.84/29 0 3.8s} 38. e6
{+1.21/16 0 5.3s} Rxe6 {-2.42/35 0 22s} 39. Rxe6 {+1.98/14 0 6.7s} Bxe6
{-2.75/31 0 1.7s} 40. Bxa5 {+2.00/12 0 4.1s} Rd5 {-2.22/31 0 6.9s} 41. Bb4
{+1.86/16 0 7.2s} Bg4 {-2.32/29 0 1.1s} 42. c4 {+1.66/18 0 5.2s} Rf5
{-2.67/32 0 2.4s} 43. Bxc5 {+1.64/17 0 4.0s} Rxc5 {-3.37/32 0 8.0s} 44. Rb5
{+1.69/16 0 4.6s} Rxc4 {-3.19/25 0 0.32s} 45. Ne5 {+1.67/16 0 3.6s} Rc1+
{-3.16/29 0 2.5s} 46. Kh2 {+1.55/1 0 0s} Be6 {-2.88/28 0 0.83s} 47. Rb4
{+1.70/13 0 14s} Rc5 {-2.27/28 0 5.0s} 48. Re4 {+1.90/13 0 8.1s} Rd5
{-2.84/25 0 2.2s} 49. f4 {+2.49/10 0 15s} Rd1 {-2.67/23 0 1.2s} 50. Nc6
{+3.28/11 0 9.4s} Kd7 {-2.80/23 0 1.0s} 51. Rd4+ {+3.40/12 0 5.2s} Rxd4
{-2.87/23 0 0.27s} 52. Nxd4 {+3.49/11 0 2.9s} Bc4 {-3.45/23 0 0.72s} 53.
Nb5 {+3.71/12 0 7.0s} c5 {-4.94/29 0 3.9s} 54. Nc3 {+3.60/12 0 5.9s} Be6
{-4.09/27 0 1.9s} 55. g3 {+6.47/10 0 9.1s} Kc6 {-7.58/24 0 1.6s} 56. Kg2
{+7.24/10 0 2.8s} Bf5 {-8.82/26 0 1.5s} 57. Kf3 {+9.08/8 0 5.4s} Kb6
{-10.16/25 0 1.1s} 58. Ne4 {+9.45/9 0 3.6s} Kc6 {-11.66/25 0 1.9s} 59. a5
{+10.05/8 0 6.6s} Kd5 {-12.27/26 0 1.1s, White wins by adjudication} 1-0
Up Topic The Rybka Lounge / Test Positions / Exploring the Elephant Gambit

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