Rybka 4 is final. (select games for fun)

[Albert Silver]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Here are a few fun games I collected over the testing period.

[Event "r4b12Nm90max150-FB12-40in2-po"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.22"]
[Round "14.1"]
[White "FireBird 1.2 x64"]
[Black "Rybka 4 Beta 12"]
[Result "0-1"]
[ECO "A87"]
[Annotator "0.40;0.41"]
[PlyCount "112"]
[EventDate "2010.05.22"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 2999 MHz W=16.3 plies; 1,
302kN/s B=13.9 plies; 91kN/s} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O
O-O 6. c4 d6 7. Nc3 Qe8 8. d5 Na6 {0.41/12 4} 9. Be3 {0.40/14 5} Nc5 {0.41/11 0
} 10. Bd4 {(Nd4) 0.44/14 4} e6 {(c6) 0.18/11 6} 11. Ng5 {0.22/14 10} Qe7 {0.34/
14 0} 12. Bxc5 {0.28/14 3} dxc5 {0.34/13 0} 13. Nxe6 {0.29/16 5} Bxe6 {0.35/14
0} 14. dxe6 {0.29/15 0} c6 {0.27/15 6} 15. Qb3 {0.29/18 0} Rab8 {(Rfb8) 0.27/
16 6} 16. Qa3 {0.31/16 5} a6 {(Qxe6) 0.28/15 0} 17. Rad1 {0.37/15 3} Rfe8 {0.
21/15 0} 18. Qa5 {(Rd2) 0.29/17 6} Bf8 {0.23/14 5} 19. b3 {0.16/17 3} Qxe6 {0.
23/14 0} 20. e3 {0.20/17 10} Qe5 {(Qe7) 0.02/16 0} 21. Na4 {0.21/17 3} Bd6 {
(Qe7) 0.13/15 0} 22. Qb6 {(Rd2) 0.03/16 9} Red8 {0.00/14 13} 23. Rfe1 {0.02/19
0} Qe7 {-0.05/13 2} 24. Qa5 {(Rd2) 0.02/17 0} Kg7 {-0.04/12 10} 25. Bf3 {(Rf1)
0.00/17 0} h6 {(Ra8) -0.03/12 7} 26. Bh1 {(h3) 0.05/14 3} Rd7 {(h5) -0.11/12 5}
27. Rd3 {(Bg2) 0.12/16 4} Rbd8 {0.00/13 7} 28. Red1 {0.06/17 0} h5 {0.00/12 2}
29. Bg2 {(h4) 0.09/16 0} h4 {-0.06/12 5} 30. Kf1 {(Bf3) 0.00/17 0} Kh6 {(Kg8)
-0.10/11 5} 31. Bf3 {(Qe1) 0.00/16 5} Ne4 {-0.07/10 6} 32. Qe1 {0.00/17 0} hxg3
{(Qf6) 0.00/10 2} 33. hxg3 {0.00/17 11} Qe6 {(Qf6) -0.01/15 0} 34. Kg1 {0.10/
17 10} Kg7 {0.00/16 0} 35. Nb6 {0.10/8 1} Rf7 {0.00/16 6} 36. Qe2 {(Na4) 0.05/
17 1} Kg8 {(Rff8) 0.00/13 5} 37. Qc2 {(Na4) 0.01/17 9} Rh7 {0.00/13 5} 38. Qe2
{(Bg2) 0.00/17 0} g5 {(Rf7) -0.14/12 4} 39. Qf1 {0.00/15 6} Kg7 {(Rh6) -0.29/
14 0} 40. Qe2 {(Bg2) -0.02/15 3} g4 {(Rdh8) -0.65/13 4} 41. Qb2+ {(Bg2) -0.79/
15 18} Kf7 {(Be5) -1.59/13 13} 42. Bg2 {-1.04/16 15} Rdh8 {-1.56/15 0} 43. b4 {
-1.41/15 13} Rh2 {(cxb4) -1.56/14 0} 44. Nc8 {-1.11/14 10} Be5 {-1.56/14 0} 45.
Rd7+ {-1.11/13 0} Kf6 {-1.68/14 6} 46. Qc2 {(Qb3) -1.62/15 0} Ng5 {(Kg5) -1.65/
13 11} 47. Rd8 {(Qe2) -1.18/13 3} Nf3+ {(Bxg3) -4.91/12 10} 48. Bxf3 {-3.55/13
11} gxf3 {-5.57/14 0} 49. Rxh8 {-0.92/11 0} Rxh8 {-5.69/15 1} 50. Rf1 {(Nd6)
-4.21/14 8} f4 {(cxb4) -#6/15 3} 51. Qg6+ {-#8/11 4} Kxg6 {-#5/19 0} 52. Ne7+ {
-#4/28 1} Kf7 {(Qxe7) -#5/18 0} 53. Nf5 {-#4/23 2} Qxf5 {-#4/17 0} 54. Rd1 {
-#3/22 1} Rh1+ {-#3/16 0} 55. Kxh1 {0.00/25 0} Qh3+ {-#2/18 2} 56. Kg1 {-#1/27
1} Qg2# {-#1/19 1} 0-1

[Event "r4b12Nm90max150-FB12-40in2-po"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.22"]
[Round "41.1"]
[White "Rybka 4 Beta 12"]
[Black "FireBird 1.2 x64"]
[Result "1-0"]
[ECO "B66"]
[Annotator "0.26;0.23"]
[PlyCount "61"]
[EventDate "2010.05.22"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 2999 MHz W=12.0 plies; 148kN/
s B=16.1 plies; 1,382kN/s} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 {0.26/12 3} bxc6 {0.23/15 4} 10.
Bf4 {0.26/13 0} d5 {0.23/15 0} 11. Qe3 {0.26/13 4} Qa5 {(Be7) 0.14/16 0} 12.
exd5 {0.35/12 10} cxd5 {0.30/17 2} 13. Be2 {0.47/13 1} Bb4 {(Bb7) 0.29/17 19}
14. Rd3 {0.46/13 5} O-O {(Be7) 0.44/17 21} 15. Bxh6 {0.81/13 8} Ne8 {0.44/17 0}
16. Qg3 {0.81/13 2} d4 {(Bd6) 0.34/15 17} 17. Rxd4 {0.52/11 6} Bxc3 {0.34/13 0}
18. bxc3 {0.62/13 3} e5 {0.48/16 2} 19. Rb4 {0.62/13 0} Qxa2 {0.47/15 0} 20.
Bd3 {0.62/12 2} Qa1+ {0.64/15 2} 21. Rb1 {0.48/13 0} Qa3+ {0.64/14 0} 22. Kd1 {
0.60/14 7} Qa2 {0.49/17 0} 23. Rb4 {(Rb6) 1.20/11 5} Qa1+ {(Be6) 0.49/13 0} 24.
Ke2 {(Bc1) 4.62/11 9} Qxh1 {(Qa2) 2.92/14 13} 25. Rh4 {11.95/11 5} f6 {(e4) 3.
38/15 9} 26. Bxg7 {(Bc4+) #9/9 8} Qxh2 {(Nxg7) 17.51/12 5} 27. Qg6 {(Bxf6+) #5/
10 3} Bg4+ {#4/19 1} 28. Rxg4 {#4/13 0} Rf7 {#4/19 2} 29. Bc4 {#3/12 0} Nd6 {
(Raa7) #2/20 1} 30. Bxf6+ {#2/10 14} Kf8 {#1/23 0} 31. Qg8# {#1/10 1} 1-0

[Event "r4RC3def-SF171-50-poff-SS2140"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.24"]
[Round "4.1"]
[White "Stockfish 1.7.1 JA 64bit ZD"]
[Black "Deep Rybka 4 x64"]
[Result "0-1"]
[ECO "B09"]
[Annotator "0.52;0.12"]
[PlyCount "70"]
[EventDate "2010.05.24"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 3600 MHz W=18.3 plies; 2,
479kN/s B=13.4 plies; 192kN/s} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3
O-O 6. Bd3 {0.52/18 9} Nc6 {0.12/14 18 (c5)} 7. O-O {0.52/20 10} e5 {0.27/14 8
(d5)} 8. fxe5 {0.52/19 10} dxe5 {0.15/14 10} 9. d5 {0.48/19 9} Nd4 {0.24/15 9}
10. Qe1 {0.52/19 8 (Nxe5)} Nh5 {0.00/14 13 (c6)} 11. Be3 {0.24/17 8 (Nxd4)} Nf4
{-0.08/13 6} 12. Qd2 {0.28/18 6} Nxd3 {-0.13/13 3 (Nxf3+)} 13. Qxd3 {0.32/20 6
(cxd3)} c5 {-0.15/14 15 (Nxf3+)} 14. a4 {0.24/15 7 (Nb5)} f5 {-0.10/13 7} 15.
Nd2 {0.20/16 9} b6 {-0.15/12 6 (Bd7)} 16. Rac1 {0.00/15 8 (Nc4)} a6 {-0.25/12
13 (Rf7)} 17. Qc4 {-0.12/15 6 (exf5)} f4 {-0.55/13 6} 18. Bxd4 {-0.04/20 7
(Bf2)} cxd4 {-0.57/15 7} 19. Nd1 {0.00/20 6} a5 {-0.60/14 4} 20. Qb3 {-0.32/21
7} Ba6 {-0.61/14 4} 21. Re1 {-0.32/21 8} Kh8 {-0.42/13 5 (Re8)} 22. Nf2 {0.20/
20 6} Rc8 {-0.29/12 4 (Kg8)} 23. c3 {0.24/20 4} f3 {-0.59/14 4 (dxc3)} 24. Nxf3
{-0.68/19 4} Rxf3 {-0.59/15 3} 25. gxf3 {-0.48/14 0} d3 {-0.64/16 3} 26. Rf1 {
-0.40/19 4} d2 {-0.64/17 4 (Qg5+)} 27. Rcd1 {-0.80/20 6} Qg5+ {-0.76/16 5} 28.
Kh1 {-1.25/19 10} Be2 {-0.91/16 5} 29. Nh3 {-1.17/19 5} Qe3 {-1.37/16 5} 30.
Kg2 {-1.37/19 5} g5 {-2.98/11 2 (Bf8)} 31. Ng1 {-2.30/17 4 (Rxd2)} g4 {-5.67/
11 7 (Bxf1+)} 32. Nxe2 {-6.34/15 3 (Rxd2)} Qxe2+ {-5.86/11 8} 33. Rf2 {-8.52/
19 3 (Kg3)} gxf3+ {-12.02/10 3} 34. Kg3 {-13.61/20 15} Qxe4 {-12.02/11 4} 35.
Rxf3 {-36.04/16 4 (Qxb6)} Bf6 {-11.67/10 7} 0-1

[S.Taylor]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Didn't he just release betas, starting weakly, and adding little by little, until it was just about strong enough to get good reviews, and the rest of the strength to be saved for the online edition?

If so, I'm not all that impressed if it just about pulls through. (Even if it is "looking very strong", it might just be enough for his own good).

[michiguel]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Here are a few fun games I collected over the testing period.

[Event "r4b12Nm90max150-FB12-40in2-po"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.22"]
[Round "14.1"]
[White "FireBird 1.2 x64"]
[Black "Rybka 4 Beta 12"]
[Result "0-1"]
[ECO "A87"]
[Annotator "0.40;0.41"]
[PlyCount "112"]
[EventDate "2010.05.22"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 2999 MHz W=16.3 plies; 1,
302kN/s B=13.9 plies; 91kN/s} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O
O-O 6. c4 d6 7. Nc3 Qe8 8. d5 Na6 {0.41/12 4} 9. Be3 {0.40/14 5} Nc5 {0.41/11 0
} 10. Bd4 {(Nd4) 0.44/14 4} e6 {(c6) 0.18/11 6} 11. Ng5 {0.22/14 10} Qe7 {0.34/
14 0} 12. Bxc5 {0.28/14 3} dxc5 {0.34/13 0} 13. Nxe6 {0.29/16 5} Bxe6 {0.35/14
0} 14. dxe6 {0.29/15 0} c6 {0.27/15 6} 15. Qb3 {0.29/18 0} Rab8 {(Rfb8) 0.27/
16 6} 16. Qa3 {0.31/16 5} a6 {(Qxe6) 0.28/15 0} 17. Rad1 {0.37/15 3} Rfe8 {0.
21/15 0} 18. Qa5 {(Rd2) 0.29/17 6} Bf8 {0.23/14 5} 19. b3 {0.16/17 3} Qxe6 {0.
23/14 0} 20. e3 {0.20/17 10} Qe5 {(Qe7) 0.02/16 0} 21. Na4 {0.21/17 3} Bd6 {
(Qe7) 0.13/15 0} 22. Qb6 {(Rd2) 0.03/16 9} Red8 {0.00/14 13} 23. Rfe1 {0.02/19
0} Qe7 {-0.05/13 2} 24. Qa5 {(Rd2) 0.02/17 0} Kg7 {-0.04/12 10} 25. Bf3 {(Rf1)
0.00/17 0} h6 {(Ra8) -0.03/12 7} 26. Bh1 {(h3) 0.05/14 3} Rd7 {(h5) -0.11/12 5}
27. Rd3 {(Bg2) 0.12/16 4} Rbd8 {0.00/13 7} 28. Red1 {0.06/17 0} h5 {0.00/12 2}
29. Bg2 {(h4) 0.09/16 0} h4 {-0.06/12 5} 30. Kf1 {(Bf3) 0.00/17 0} Kh6 {(Kg8)
-0.10/11 5} 31. Bf3 {(Qe1) 0.00/16 5} Ne4 {-0.07/10 6} 32. Qe1 {0.00/17 0} hxg3
{(Qf6) 0.00/10 2} 33. hxg3 {0.00/17 11} Qe6 {(Qf6) -0.01/15 0} 34. Kg1 {0.10/
17 10} Kg7 {0.00/16 0} 35. Nb6 {0.10/8 1} Rf7 {0.00/16 6} 36. Qe2 {(Na4) 0.05/
17 1} Kg8 {(Rff8) 0.00/13 5} 37. Qc2 {(Na4) 0.01/17 9} Rh7 {0.00/13 5} 38. Qe2
{(Bg2) 0.00/17 0} g5 {(Rf7) -0.14/12 4} 39. Qf1 {0.00/15 6} Kg7 {(Rh6) -0.29/
14 0} 40. Qe2 {(Bg2) -0.02/15 3} g4 {(Rdh8) -0.65/13 4} 41. Qb2+ {(Bg2) -0.79/
15 18} Kf7 {(Be5) -1.59/13 13} 42. Bg2 {-1.04/16 15} Rdh8 {-1.56/15 0} 43. b4 {
-1.41/15 13} Rh2 {(cxb4) -1.56/14 0} 44. Nc8 {-1.11/14 10} Be5 {-1.56/14 0} 45.
Rd7+ {-1.11/13 0} Kf6 {-1.68/14 6} 46. Qc2 {(Qb3) -1.62/15 0} Ng5 {(Kg5) -1.65/
13 11} 47. Rd8 {(Qe2) -1.18/13 3} Nf3+ {(Bxg3) -4.91/12 10} 48. Bxf3 {-3.55/13
11} gxf3 {-5.57/14 0} 49. Rxh8 {-0.92/11 0} Rxh8 {-5.69/15 1} 50. Rf1 {(Nd6)
-4.21/14 8} f4 {(cxb4) -#6/15 3} 51. Qg6+ {-#8/11 4} Kxg6 {-#5/19 0} 52. Ne7+ {
-#4/28 1} Kf7 {(Qxe7) -#5/18 0} 53. Nf5 {-#4/23 2} Qxf5 {-#4/17 0} 54. Rd1 {
-#3/22 1} Rh1+ {-#3/16 0} 55. Kxh1 {0.00/25 0} Qh3+ {-#2/18 2} 56. Kg1 {-#1/27
1} Qg2# {-#1/19 1} 0-1

[Event "r4b12Nm90max150-FB12-40in2-po"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.22"]
[Round "41.1"]
[White "Rybka 4 Beta 12"]
[Black "FireBird 1.2 x64"]
[Result "1-0"]
[ECO "B66"]
[Annotator "0.26;0.23"]
[PlyCount "61"]
[EventDate "2010.05.22"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 2999 MHz W=12.0 plies; 148kN/
s B=16.1 plies; 1,382kN/s} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 {0.26/12 3} bxc6 {0.23/15 4} 10.
Bf4 {0.26/13 0} d5 {0.23/15 0} 11. Qe3 {0.26/13 4} Qa5 {(Be7) 0.14/16 0} 12.
exd5 {0.35/12 10} cxd5 {0.30/17 2} 13. Be2 {0.47/13 1} Bb4 {(Bb7) 0.29/17 19}
14. Rd3 {0.46/13 5} O-O {(Be7) 0.44/17 21} 15. Bxh6 {0.81/13 8} Ne8 {0.44/17 0}
16. Qg3 {0.81/13 2} d4 {(Bd6) 0.34/15 17} 17. Rxd4 {0.52/11 6} Bxc3 {0.34/13 0}
18. bxc3 {0.62/13 3} e5 {0.48/16 2} 19. Rb4 {0.62/13 0} Qxa2 {0.47/15 0} 20.
Bd3 {0.62/12 2} Qa1+ {0.64/15 2} 21. Rb1 {0.48/13 0} Qa3+ {0.64/14 0} 22. Kd1 {
0.60/14 7} Qa2 {0.49/17 0} 23. Rb4 {(Rb6) 1.20/11 5} Qa1+ {(Be6) 0.49/13 0} 24.
Ke2 {(Bc1) 4.62/11 9} Qxh1 {(Qa2) 2.92/14 13} 25. Rh4 {11.95/11 5} f6 {(e4) 3.
38/15 9} 26. Bxg7 {(Bc4+) #9/9 8} Qxh2 {(Nxg7) 17.51/12 5} 27. Qg6 {(Bxf6+) #5/
10 3} Bg4+ {#4/19 1} 28. Rxg4 {#4/13 0} Rf7 {#4/19 2} 29. Bc4 {#3/12 0} Nd6 {
(Raa7) #2/20 1} 30. Bxf6+ {#2/10 14} Kf8 {#1/23 0} 31. Qg8# {#1/10 1} 1-0

[Event "r4RC3def-SF171-50-poff-SS2140"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.24"]
[Round "4.1"]
[White "Stockfish 1.7.1 JA 64bit ZD"]
[Black "Deep Rybka 4 x64"]
[Result "0-1"]
[ECO "B09"]
[Annotator "0.52;0.12"]
[PlyCount "70"]
[EventDate "2010.05.24"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 3600 MHz W=18.3 plies; 2,
479kN/s B=13.4 plies; 192kN/s} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3
O-O 6. Bd3 {0.52/18 9} Nc6 {0.12/14 18 (c5)} 7. O-O {0.52/20 10} e5 {0.27/14 8
(d5)} 8. fxe5 {0.52/19 10} dxe5 {0.15/14 10} 9. d5 {0.48/19 9} Nd4 {0.24/15 9}
10. Qe1 {0.52/19 8 (Nxe5)} Nh5 {0.00/14 13 (c6)} 11. Be3 {0.24/17 8 (Nxd4)} Nf4
{-0.08/13 6} 12. Qd2 {0.28/18 6} Nxd3 {-0.13/13 3 (Nxf3+)} 13. Qxd3 {0.32/20 6
(cxd3)} c5 {-0.15/14 15 (Nxf3+)} 14. a4 {0.24/15 7 (Nb5)} f5 {-0.10/13 7} 15.
Nd2 {0.20/16 9} b6 {-0.15/12 6 (Bd7)} 16. Rac1 {0.00/15 8 (Nc4)} a6 {-0.25/12
13 (Rf7)} 17. Qc4 {-0.12/15 6 (exf5)} f4 {-0.55/13 6} 18. Bxd4 {-0.04/20 7
(Bf2)} cxd4 {-0.57/15 7} 19. Nd1 {0.00/20 6} a5 {-0.60/14 4} 20. Qb3 {-0.32/21
7} Ba6 {-0.61/14 4} 21. Re1 {-0.32/21 8} Kh8 {-0.42/13 5 (Re8)} 22. Nf2 {0.20/
20 6} Rc8 {-0.29/12 4 (Kg8)} 23. c3 {0.24/20 4} f3 {-0.59/14 4 (dxc3)} 24. Nxf3
{-0.68/19 4} Rxf3 {-0.59/15 3} 25. gxf3 {-0.48/14 0} d3 {-0.64/16 3} 26. Rf1 {
-0.40/19 4} d2 {-0.64/17 4 (Qg5+)} 27. Rcd1 {-0.80/20 6} Qg5+ {-0.76/16 5} 28.
Kh1 {-1.25/19 10} Be2 {-0.91/16 5} 29. Nh3 {-1.17/19 5} Qe3 {-1.37/16 5} 30.
Kg2 {-1.37/19 5} g5 {-2.98/11 2 (Bf8)} 31. Ng1 {-2.30/17 4 (Rxd2)} g4 {-5.67/
11 7 (Bxf1+)} 32. Nxe2 {-6.34/15 3 (Rxd2)} Qxe2+ {-5.86/11 8} 33. Rf2 {-8.52/
19 3 (Kg3)} gxf3+ {-12.02/10 3} 34. Kg3 {-13.61/20 15} Qxe4 {-12.02/11 4} 35.
Rxf3 {-36.04/16 4 (Qxb6)} Bf6 {-11.67/10 7} 0-1

[D]r1b1k2r/5pp1/p3pn1p/q2p4/1b3B2/2NRQ3/PPP1BPPP/2K4R b kq - 3 14

O-O is a humongous blunder by FB, allowing Bxh6. What happened?

[D]2rq1r1k/6bp/bp4p1/p2Pp3/P2pP3/1QP2N2/1P3NPP/2R1R1K1 b - - 0 24 bm Rxf3

Rxf3 is a nice move.

The first game was the typical game in which an engine plays so passive and waits to be killed by the other. Pretty amazing that some of the tactical monsters could still play the style (or lack thereof) of the early 90's engines.

Miguel

[Edward German]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Here are a few fun games I collected over the testing period.

[Event "r4b12Nm90max150-FB12-40in2-po"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.22"]
[Round "14.1"]
[White "FireBird 1.2 x64"]
[Black "Rybka 4 Beta 12"]
[Result "0-1"]
[ECO "A87"]
[Annotator "0.40;0.41"]
[PlyCount "112"]
[EventDate "2010.05.22"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 2999 MHz W=16.3 plies; 1,
302kN/s B=13.9 plies; 91kN/s} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O
O-O 6. c4 d6 7. Nc3 Qe8 8. d5 Na6 {0.41/12 4} 9. Be3 {0.40/14 5} Nc5 {0.41/11 0
} 10. Bd4 {(Nd4) 0.44/14 4} e6 {(c6) 0.18/11 6} 11. Ng5 {0.22/14 10} Qe7 {0.34/
14 0} 12. Bxc5 {0.28/14 3} dxc5 {0.34/13 0} 13. Nxe6 {0.29/16 5} Bxe6 {0.35/14
0} 14. dxe6 {0.29/15 0} c6 {0.27/15 6} 15. Qb3 {0.29/18 0} Rab8 {(Rfb8) 0.27/
16 6} 16. Qa3 {0.31/16 5} a6 {(Qxe6) 0.28/15 0} 17. Rad1 {0.37/15 3} Rfe8 {0.
21/15 0} 18. Qa5 {(Rd2) 0.29/17 6} Bf8 {0.23/14 5} 19. b3 {0.16/17 3} Qxe6 {0.
23/14 0} 20. e3 {0.20/17 10} Qe5 {(Qe7) 0.02/16 0} 21. Na4 {0.21/17 3} Bd6 {
(Qe7) 0.13/15 0} 22. Qb6 {(Rd2) 0.03/16 9} Red8 {0.00/14 13} 23. Rfe1 {0.02/19
0} Qe7 {-0.05/13 2} 24. Qa5 {(Rd2) 0.02/17 0} Kg7 {-0.04/12 10} 25. Bf3 {(Rf1)
0.00/17 0} h6 {(Ra8) -0.03/12 7} 26. Bh1 {(h3) 0.05/14 3} Rd7 {(h5) -0.11/12 5}
27. Rd3 {(Bg2) 0.12/16 4} Rbd8 {0.00/13 7} 28. Red1 {0.06/17 0} h5 {0.00/12 2}
29. Bg2 {(h4) 0.09/16 0} h4 {-0.06/12 5} 30. Kf1 {(Bf3) 0.00/17 0} Kh6 {(Kg8)
-0.10/11 5} 31. Bf3 {(Qe1) 0.00/16 5} Ne4 {-0.07/10 6} 32. Qe1 {0.00/17 0} hxg3
{(Qf6) 0.00/10 2} 33. hxg3 {0.00/17 11} Qe6 {(Qf6) -0.01/15 0} 34. Kg1 {0.10/
17 10} Kg7 {0.00/16 0} 35. Nb6 {0.10/8 1} Rf7 {0.00/16 6} 36. Qe2 {(Na4) 0.05/
17 1} Kg8 {(Rff8) 0.00/13 5} 37. Qc2 {(Na4) 0.01/17 9} Rh7 {0.00/13 5} 38. Qe2
{(Bg2) 0.00/17 0} g5 {(Rf7) -0.14/12 4} 39. Qf1 {0.00/15 6} Kg7 {(Rh6) -0.29/
14 0} 40. Qe2 {(Bg2) -0.02/15 3} g4 {(Rdh8) -0.65/13 4} 41. Qb2+ {(Bg2) -0.79/
15 18} Kf7 {(Be5) -1.59/13 13} 42. Bg2 {-1.04/16 15} Rdh8 {-1.56/15 0} 43. b4 {
-1.41/15 13} Rh2 {(cxb4) -1.56/14 0} 44. Nc8 {-1.11/14 10} Be5 {-1.56/14 0} 45.
Rd7+ {-1.11/13 0} Kf6 {-1.68/14 6} 46. Qc2 {(Qb3) -1.62/15 0} Ng5 {(Kg5) -1.65/
13 11} 47. Rd8 {(Qe2) -1.18/13 3} Nf3+ {(Bxg3) -4.91/12 10} 48. Bxf3 {-3.55/13
11} gxf3 {-5.57/14 0} 49. Rxh8 {-0.92/11 0} Rxh8 {-5.69/15 1} 50. Rf1 {(Nd6)
-4.21/14 8} f4 {(cxb4) -#6/15 3} 51. Qg6+ {-#8/11 4} Kxg6 {-#5/19 0} 52. Ne7+ {
-#4/28 1} Kf7 {(Qxe7) -#5/18 0} 53. Nf5 {-#4/23 2} Qxf5 {-#4/17 0} 54. Rd1 {
-#3/22 1} Rh1+ {-#3/16 0} 55. Kxh1 {0.00/25 0} Qh3+ {-#2/18 2} 56. Kg1 {-#1/27
1} Qg2# {-#1/19 1} 0-1

[Event "r4b12Nm90max150-FB12-40in2-po"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.22"]
[Round "41.1"]
[White "Rybka 4 Beta 12"]
[Black "FireBird 1.2 x64"]
[Result "1-0"]
[ECO "B66"]
[Annotator "0.26;0.23"]
[PlyCount "61"]
[EventDate "2010.05.22"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 2999 MHz W=12.0 plies; 148kN/
s B=16.1 plies; 1,382kN/s} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 {0.26/12 3} bxc6 {0.23/15 4} 10.
Bf4 {0.26/13 0} d5 {0.23/15 0} 11. Qe3 {0.26/13 4} Qa5 {(Be7) 0.14/16 0} 12.
exd5 {0.35/12 10} cxd5 {0.30/17 2} 13. Be2 {0.47/13 1} Bb4 {(Bb7) 0.29/17 19}
14. Rd3 {0.46/13 5} O-O {(Be7) 0.44/17 21} 15. Bxh6 {0.81/13 8} Ne8 {0.44/17 0}
16. Qg3 {0.81/13 2} d4 {(Bd6) 0.34/15 17} 17. Rxd4 {0.52/11 6} Bxc3 {0.34/13 0}
18. bxc3 {0.62/13 3} e5 {0.48/16 2} 19. Rb4 {0.62/13 0} Qxa2 {0.47/15 0} 20.
Bd3 {0.62/12 2} Qa1+ {0.64/15 2} 21. Rb1 {0.48/13 0} Qa3+ {0.64/14 0} 22. Kd1 {
0.60/14 7} Qa2 {0.49/17 0} 23. Rb4 {(Rb6) 1.20/11 5} Qa1+ {(Be6) 0.49/13 0} 24.
Ke2 {(Bc1) 4.62/11 9} Qxh1 {(Qa2) 2.92/14 13} 25. Rh4 {11.95/11 5} f6 {(e4) 3.
38/15 9} 26. Bxg7 {(Bc4+) #9/9 8} Qxh2 {(Nxg7) 17.51/12 5} 27. Qg6 {(Bxf6+) #5/
10 3} Bg4+ {#4/19 1} 28. Rxg4 {#4/13 0} Rf7 {#4/19 2} 29. Bc4 {#3/12 0} Nd6 {
(Raa7) #2/20 1} 30. Bxf6+ {#2/10 14} Kf8 {#1/23 0} 31. Qg8# {#1/10 1} 1-0

[Event "r4RC3def-SF171-50-poff-SS2140"]
[Site "Rio de Janeiro, Brazil"]
[Date "2010.05.24"]
[Round "4.1"]
[White "Stockfish 1.7.1 JA 64bit ZD"]
[Black "Deep Rybka 4 x64"]
[Result "0-1"]
[ECO "B09"]
[Annotator "0.52;0.12"]
[PlyCount "70"]
[EventDate "2010.05.24"]
[EventType "tourn"]
[Source "Silver"]

{Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz 3600 MHz W=18.3 plies; 2,
479kN/s B=13.4 plies; 192kN/s} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3
O-O 6. Bd3 {0.52/18 9} Nc6 {0.12/14 18 (c5)} 7. O-O {0.52/20 10} e5 {0.27/14 8
(d5)} 8. fxe5 {0.52/19 10} dxe5 {0.15/14 10} 9. d5 {0.48/19 9} Nd4 {0.24/15 9}
10. Qe1 {0.52/19 8 (Nxe5)} Nh5 {0.00/14 13 (c6)} 11. Be3 {0.24/17 8 (Nxd4)} Nf4
{-0.08/13 6} 12. Qd2 {0.28/18 6} Nxd3 {-0.13/13 3 (Nxf3+)} 13. Qxd3 {0.32/20 6
(cxd3)} c5 {-0.15/14 15 (Nxf3+)} 14. a4 {0.24/15 7 (Nb5)} f5 {-0.10/13 7} 15.
Nd2 {0.20/16 9} b6 {-0.15/12 6 (Bd7)} 16. Rac1 {0.00/15 8 (Nc4)} a6 {-0.25/12
13 (Rf7)} 17. Qc4 {-0.12/15 6 (exf5)} f4 {-0.55/13 6} 18. Bxd4 {-0.04/20 7
(Bf2)} cxd4 {-0.57/15 7} 19. Nd1 {0.00/20 6} a5 {-0.60/14 4} 20. Qb3 {-0.32/21
7} Ba6 {-0.61/14 4} 21. Re1 {-0.32/21 8} Kh8 {-0.42/13 5 (Re8)} 22. Nf2 {0.20/
20 6} Rc8 {-0.29/12 4 (Kg8)} 23. c3 {0.24/20 4} f3 {-0.59/14 4 (dxc3)} 24. Nxf3
{-0.68/19 4} Rxf3 {-0.59/15 3} 25. gxf3 {-0.48/14 0} d3 {-0.64/16 3} 26. Rf1 {
-0.40/19 4} d2 {-0.64/17 4 (Qg5+)} 27. Rcd1 {-0.80/20 6} Qg5+ {-0.76/16 5} 28.
Kh1 {-1.25/19 10} Be2 {-0.91/16 5} 29. Nh3 {-1.17/19 5} Qe3 {-1.37/16 5} 30.
Kg2 {-1.37/19 5} g5 {-2.98/11 2 (Bf8)} 31. Ng1 {-2.30/17 4 (Rxd2)} g4 {-5.67/
11 7 (Bxf1+)} 32. Nxe2 {-6.34/15 3 (Rxd2)} Qxe2+ {-5.86/11 8} 33. Rf2 {-8.52/
19 3 (Kg3)} gxf3+ {-12.02/10 3} 34. Kg3 {-13.61/20 15} Qxe4 {-12.02/11 4} 35.
Rxf3 {-36.04/16 4 (Qxb6)} Bf6 {-11.67/10 7} 0-1

1. Only select games?
2. Fire 1.3 (Final-Release) is not out.
3. Here you can find 36 games, played yesterday and today on playchess. Highendman played on a 8-core machine 3.2 GHz.

http://www.talkchess.com/forum/viewtopi ... 69&t=34499
ED.

[Jim Walker]

The link you posted is interesting but useless without knowing the hardware of the opponent also. (maybe it was a P3/400Mhz)

[Albert Silver]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Here are a few fun games I collected over the testing period.

1. Only select games?
2. Fire 1.3 (Final-Release) is not out.
3. Here you can find 36 games, played yesterday and today on playchess. Highendman played on a 8-core machine 3.2 GHz.

Of course. I have thousands of games, but why on earth would anyone want to sift through them all?

[Albert Silver]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Didn't he just release betas, starting weakly, and adding little by little, until it was just about strong enough to get good reviews, and the rest of the strength to be saved for the online edition?

If so, I'm not all that impressed if it just about pulls through. (Even if it is "looking very strong", it might just be enough for his own good).

I have no idea what you are talking about. A new engine comes out, and rather than see how it plays, your main concern is how the beta testing went or how it might compare to some other project of the author? Good luck with that....

[Albert Silver]

[D]r1b1k2r/5pp1/p3pn1p/q2p4/1b3B2/2NRQ3/PPP1BPPP/2K4R b kq - 3 14

O-O is a humongous blunder by FB, allowing Bxh6. What happened?

Well, bear in mind these are all blitz games only, and the above was played single-CPU, with ponder on. There was no time to test anything slower. That said, here is FB's output with both cores enabled:

Analysis by FireBird 1.2 x64:

14...Bd7 15.a3 Bxc3 16.Rxc3 0-0 17.Qd4 Ne4 18.Rc7 Bb5 19.Bxb5 axb5 20.f3 Nf6 21.Qc5 Rad8 22.Bd2 Qa4 23.Qb4 d4 24.Qxa4 bxa4
+/= (0.44) Depth: 15 00:00:05 15666kN
14...Bd7 15.Kb1 Be7 16.Qg3 Kf8 17.Be5 h5 18.Qg5 Rh6 19.Rg3 Rg6 20.Qf4 Kg8 21.Rxg6 fxg6 22.Rd1 Rc8
+/= (0.41) Depth: 15 00:00:05 16888kN
14...Bd7 15.Kb1 Be7 16.Qg3 Kf8 17.Be5 h5 18.Qg5 Rh6 19.Rg3 Rg6 20.Qf4 Kg8 21.Rxg6 fxg6 22.Rd1 Rc8
+/= (0.41) Depth: 15 00:00:05 16900kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Bd6 17.f4 Rb8 18.Kb1 Bd7 19.b3 Kh7 20.Bg5 Kg8 21.Rhd1 Bc5 22.Ne4 Nd6 23.Nxc5 Qxc5
+/= (0.33) Depth: 16 00:00:07 22952kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Bd6 17.f4 Rb8 18.Kb1 Bd7 19.b3 Kh7 20.Bg5 Kg8 21.Rhd1 Bc5 22.Ne4 Nd6 23.Nxc5 Qxc5
+/= (0.33) Depth: 16 00:00:07 22952kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Bd6 17.Qh4 Qc7 18.Be3 Rb8 19.Bd4 Qb7 20.Na4 Be7 21.Qf4 Bd6 22.Qg5 Qc6 23.Nc3 f6
+/= (0.36) Depth: 16 00:00:07 25224kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Bd6 17.Qh4 Qc7 18.Be3 Rb8 19.Bd4 Qb7 20.Na4 Be7 21.Qf4 Bd6 22.Qg5 Qc6 23.Nc3 f6
+/= (0.36) Depth: 16 00:00:08 26413kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Bd6 17.Qh4 Qc7 18.Bg5 f6 19.Bd2 f5 20.Kb1 Nf6 21.Re1 Bb7 22.Rh3
+/= (0.44) Depth: 17 00:00:14 47229kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Ra7 17.Be3 Rb7 18.a3 Bd6 19.f4 f5 20.Bd4 Nf6 21.Rdd1 Bd7 22.Rhf1 Bc6 23.h4 Ne4 24.Nxe4 fxe4
+/= (0.43) Depth: 17 00:00:15 50468kN
14...0-0 15.Bxh6 Ne8 16.Qg3 Ra7 17.Be3 Rb7 18.a3 Bd6 19.f4 f5 20.Bd4 Nf6 21.Rdd1 Bd7 22.Rhf1 Bc6 23.h4 Ne4 24.Nxe4 fxe4
+/= (0.43) Depth: 17 00:00:15 50483kN
14...Be7 15.Kb1 Bd7 16.Qg3 Kf8 17.Rhd1 h5 18.Bd6 Rh6 19.Bxe7+ Kxe7 20.Qg5 Rg6 21.Qe5 Kf8 22.Rg3 Rxg3 23.fxg3 Qb6 24.Bxh5 Rb8 25.b3
+/= (0.41) Depth: 18 00:00:42 143mN
14...Be7 15.Kb1 Bd7 16.Qg3 Kf8 17.Rhd1 h5 18.Bd6 Rh6 19.Bxe7+ Kxe7 20.Qg5 Rg6 21.Qe5 Kf8 22.Rg3 Rxg3 23.fxg3 Qb6 24.Bxh5 Rb8 25.b3
+/= (0.41) Depth: 18 00:00:42 143mN
14...Be7 15.Kb1 Bd7 16.Qg3 Kf8 17.Be5 h5 18.Qg5 Rh7 19.Rf3 Be8 20.Qf4 Rh6 21.Rg3 h4 22.Rh3 Nd7 23.Bd4 Rb8
+/= (0.42) Depth: 19 00:00:45 152mN
14...Be7 15.Kb1 Bd7 16.Qg3 Kf8 17.Be5 h5 18.Qg5 Rh7 19.Rf3 Be8 20.Qf4 Rh6 21.Rg3 h4 22.Rh3 Nd7 23.Bd4 Rb8
+/= (0.42) Depth: 19 00:00:47 161mN

[D]2rq1r1k/6bp/bp4p1/p2Pp3/P2pP3/1QP2N2/1P3NPP/2R1R1K1 b - - 0 24 bm Rxf3

Rxf3 is a nice move.

The first game was the typical game in which an engine plays so passive and waits to be killed by the other. Pretty amazing that some of the tactical monsters could still play the style (or lack thereof) of the early 90's engines.

Miguel

Yes, but it isn't really all that surprising. If anything, Pablo has show that well with his endless series of time wins.

Albert

[S.Taylor]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Didn't he just release betas, starting weakly, and adding little by little, until it was just about strong enough to get good reviews, and the rest of the strength to be saved for the online edition?

If so, I'm not all that impressed if it just about pulls through. (Even if it is "looking very strong", it might just be enough for his own good).

I have no idea what you are talking about. A new engine comes out, and rather than see how it plays, your main concern is how the beta testing went or how it might compare to some other project of the author? Good luck with that....

You said "it is looking very strong". "very strong", is relative, and can be defined according to what peoples expectations are.

[Albert Silver]

Beta testing for Rybka 4 has ended, and it is looking very strong.

Didn't he just release betas, starting weakly, and adding little by little, until it was just about strong enough to get good reviews, and the rest of the strength to be saved for the online edition?

If so, I'm not all that impressed if it just about pulls through. (Even if it is "looking very strong", it might just be enough for his own good).

I have no idea what you are talking about. A new engine comes out, and rather than see how it plays, your main concern is how the beta testing went or how it might compare to some other project of the author? Good luck with that....

You said "it is looking very strong". "very strong", is relative, and can be defined according to what peoples expectations are.

And you replied with a bunch of comments on the beta testing, something about saving Elo for another project of his, and whatnot.

Personally, if I were debating buying it, I couldn't care less about any of that. I would care about how it played, and whether or not it was a sufficient leap over its predecessor to warrant my money.

If he has 300 Elo lying around to use at will, all the power to him, but it has no affect on my decision.