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Subject: Re: Another Rybka Exchnage Sac

Author: Bernhard Bauer

Date: 03:12:26 12/29/05

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On December 29, 2005 at 01:14:21, Mike Byrne wrote:

>[Event "Blitz_5_5_QUAD RR_2"]
>[Site "WIN-64-MB"]
>[Date "2005.12.29"]
>[Round "4"]
>[White "Rybka v1.0 Preview 2 x64"]
>[Black "Gandalf60"]
>[Result "1-0"]
>[ECO "E00"]
>[PlyCount "96"]
>[EventDate "2005.??.??"]
>
>1. d4 Nf6 2. c4 e6 3. f3 d5 4. Nc3 Nc6 5. e3 Be7 6. Nh3 O-O 7. Nf2 Re8 8. Be2
>Bb4 9. Bd2 e5 10. dxe5 Rxe5 11. cxd5 Nxd5 12. e4 Nxc3 13. bxc3 Ba5 14. Qc2 Re8
>15. O-O Bb6 16. Kh1 Qe7 17. Nd3 Ne5 18. Nxe5 Qxe5 19. Bd3 Rd8 20. Rad1 Be6 21.
>f4 Qc5 22. e5 Bg4 23. Bxh7+ Kh8 24. Bd3 Bxd1 25. Rxd1 c6 26. a4 a6 27. Rf1 Kg8
>28. Be1 Ba5 29. Rf3 b5 30. Bf1 bxa4 31. Bf2 Qd5 32. Rh3 g6 33. Bh4 f5 34. exf6
>Qf5 35. Qxa4 Qb1 36. Qc4+ Rd5 37. Qe2 Rf8 38. Qe6+ Rf7 39. Be1 Qb8 40. Rh6 Qf8
>41. Qh3 Rxf6 42. Rh8+ Kf7 43. Rh7+ Qg7 44. Bc4 Kf8 45. Bxd5 Qxh7 46. Qxh7 cxd5
>47. Bf2 Rc6 48. Qh8+ Ke7 1-0
>
>[d] r2r2k1/ppp2ppp/1b6/2q1P3/5Pb1/2PB4/P1QB2PP/3R1R1K w - - 0 23; bm Bxh7
>
>haven't test any engines - my machine is tied up -- but it looks like a nice
>move with good follow-up play

I let Rybka and Toga run for about 40 min.
Both engines agreed in Rd1e1.
Toga found Rd1e1 in 46 sec.
Rybka took 24:35 min.
Computed on a AMD XP 1800MHz

Kind regards and a happy new year
Bernhard


FEN: r2r2k1/ppp2ppp/1b6/2q1P3/5Pb1/2PB4/P1QB2PP/3R1R1K w - - 0 1

Toga-IIa:
  1/2	00:00	           4	0	+1,65	Ld3xh7+ Kg8f8
  2/10	00:00	         417	0	+1,29	Ld3xh7+ Kg8f8 Td1b1
  3/10-	00:00	       1.158	0	+0,57	Ld3xh7+ Kg8h8 Dc2e4 Lg4xd1 Tf1xd1
  4/14	00:00	       3.585	0	+0,65	Ld3xh7+ Kg8f8 Td1e1 g7g6 f4f5
  5/16	00:00	       7.660	0	+0,73	Ld3xh7+ Kg8f8 Td1b1 Dc5d5 Ld2c1 Lb6c5
  6/24	00:00	      27.619	0	+0,62	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Tf1xd1 c7c6 c3c4
Dc5f2
  7/24	00:00	      62.246	0	+0,41	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4 Dd1h5+
Kh8g8 Dh5h7+ Kg8f8
                                                Dh7h8+ Kf8e7 Dh8h4+ Ke7f8 Tf1e1
Dc4xa2 Dh4h8+ Kf8e7
  8/33	00:00	     142.304	0	+0,24	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4 Tf1e1
Lb6f2 Te1e2 Ta8b8
  9/33	00:01	     462.739	0	+0,06	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Tf1xd1 c7c6 a2a4
Dc5f2 Le4d3 Lb6e3 Ld2xe3 Df2xe3
  9/33	00:01	     781.149	550.000	+0,13	Td1e1 h7h6 Ld3e4 c7c6 h2h3 Dc5e7 Te1b1
Lb6c5 Le4h7+ Kg8h8
 10/33	00:02	   1.346.474	560.000	+0,04	Td1e1 h7h6 Ld3e4 c7c6 h2h3 Dc5e7 c3c4
Kg8h8 Te1b1 Lb6d4
 10/33	00:03	   1.529.771	560.000	+0,08	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Tf1xd1 c7c6
Le4d3 Dc5f2 Dc2b1 Td8d7 a2a4 Df2h4
 11/38	00:04	   2.701.008	555.000	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Tf1xd1 c7c6
Le4f3 Kh8g8 Lf3e4 Kg8h8
 12/42	00:14	   7.904.101	571.538	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
                                                Dh7h8+ Kf8e7 Dh8h4+ Ke7f8 Dh4h8+
 13/44	00:28	  16.120.668	562.199	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
                                                Dh7h8+ Kf8e7 Dh8h4+ Ke7f8 Dh4h8+
 13/44	00:46	  25.012.888	545.055	+0,15	Td1e1 h7h6 Ld3e4 Dc5c4 Le4xb7 Ta8b8
Lb7f3 Lg4e6 a2a4 Le6f5 Dc2xf5 Td8xd2 Lf3h5
 14/44	01:15	  40.306.869	538.657	+0,25	Td1e1 h7h6 Ld3e4 Td8d7 h2h3 Lg4e6 Le4xb7
Ta8d8 Ld2c1 Dc5c4
                                                Lb7e4 Dc4xa2 Dc2xa2 Le6xa2 Lc1e3
Lb6xe3 Te1xe3
 15/45	02:40	  87.809.766	549.057	+0,13	Td1e1 h7h6 Ld3e4 Dc5c4 Le4xb7 Ta8b8
Lb7f3 Lg4e6 Te1b1 Dc4xa2
                                                Tb1b2 Da2a6 Tf1b1 Td8d3 Tb2b5
 16/52	06:26	 211.049.222	546.332	+0,23	Td1e1 h7h6 Ld2e3 Dc5d5 Ld3h7+ Kg8h8 c3c4
Dd5d7 Lh7e4 Lb6xe3
                                                Te1xe3 Dd7d2 Dc2xd2 Td8xd2
Le4xb7 Ta8d8 Lb7d5 Kh8g8 Tf1b1 Td2xa2
 17/52	15:29	 497.216.374	534.708	+0,34	Td1e1 Kg8h8 Ld2e3 Dc5c6 Ld3e4 Dc6c4
Le3f2 Lb6xf2 Dc2xf2 c7c6
                                                Df2h4 h7h5 h2h3 Lg4e2 Tf1f2
Dc4xe4 Tf2xe2 De4f5
 18/60	42:26	1.400.972.835	550.217	+0,42	Td1e1 h7h6 Ld2c1 Lb6a5 Te1e3 Kg8h8
Te3g3 Lg4e6 f4f5 Le6c4
                                                Ld3xc4 Dc5xc4 Tf1e1 Td8d4 f5f6
g7g5 Tg3h3 Td4h4 Th3d3

FEN: r2r2k1/ppp2ppp/1b6/2q1P3/5Pb1/2PB4/P1QB2PP/3R1R1K w - - 0 1

Rybka v1.0 Beta.w32 [001]:
   3	00:00	         556	5.175	+0,50	Ld3xh7+
   4	00:00	       1.017	7.333	+0,40	Ld3xh7+ Kg8h8
   5	00:00	       2.853	13.279	+0,29	Ld3xh7+ Kg8h8 Lh7e4
   6	00:00	       7.191	19.584	+0,04	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1
   7	00:00	      14.066	28.749	+0,03	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1 Tf1xd1 Dc5f2
   8	00:01	      30.871	39.613	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
   9	00:01	      58.091	46.949	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
  10	00:02	     132.673	55.701	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
  11	00:04	     238.387	54.806	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
  12	00:10	     542.643	54.264	 0,00	Ld3xh7+ Kg8h8 Lh7e4 Lg4xd1 Dc2xd1 Dc5c4
Dd1h5+ Kh8g8 Dh5h7+ Kg8f8
  13	00:30	   1.735.354	59.839	 0,00	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1 Tf1xd1 c7c6 a2a4
Dc5f2 Td1f1 Df2c5
  14	00:46	   2.789.306	63.393	-0,01	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1 Tf1xd1 c7c6 a2a4
Ta8c8 Ld3f5 Tc8b8
  15	01:43	   6.469.313	64.693	 0,00	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1 Tf1xd1 c7c6 a2a4
Ta8c8 Ld3f5 Tc8b8
  16	03:22	  12.454.970	63.223	-0,03	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1 Tf1xd1 Ta8b8
h2h3 c7c6 a2a4 Kh8g8
  17	08:02	  29.388.139	62.527	-0,07	Ld3xh7+ Kg8h8 Lh7d3 Lg4xd1 Tf1xd1 Td8d5
c3c4 Td5d8 Dc2b3 Kh8g8
  17	24:35	  75.242.263	52.251	+0,25	Td1e1 Dc5d5
  18	31:41	  94.133.192	50.718	+0,23	Td1e1 Dc5d5





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