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Subject: Re: Testposition, Ferret's stunning move 43.e5!.

Author: Cliff Sears

Date: 12:23:57 10/05/04

Go up one level in this thread


  7+2	 0:00 	0%    	1.Bxb4  	Gambit Shredder
  2+7	 0:01 	21%    	1.Bxb4  	Really Shredder?
  2+7	 0:01 	45%    	1.Bxb4  	Really Shredder?
  2+7	 0:01 	51%    	1.Bxb4  	Really Shredder?
  3+7	 0:01 	62%    	1.Bxb4  	Really Shredder?
  3+7	 0:01 	63%    	1.Bxb4  	Really Shredder?
  4+7	 0:01 	71%    	1.Bxb4  	Really Shredder?
  4+7	 0:01 	94%    	1.Bxb4  	Really Shredder?
  4+7	 0:01 	99%    	1.Bxb4  	Really Shredder?
  5+7	 0:01 	82%    	1.Bxb4  	Really Shredder?
  6+7	 0:01 	63%    	1.Bxb4  	Really Shredder?
  6+7	 0:01 	52%    	1.Bxb4  	Really Shredder?
  7+7	 0:01 	51%    	1.Bxb4  	Really Shredder?
  8+7	 0:02 	49%    	1.Bxb4  	Really Shredder?
  8+7	 0:02 	41%    	1.Bxb4  	Really Shredder?
  8+8	 0:03 	37%    	1.Bxb4  	Really Shredder?
  9+8	 0:03 	48%    	1.Bxb4  	Really Shredder?
  9+8	 0:05 	64%    	1.Bxb4  	Really Shredder?
 10+9	 0:08 	58%    	1.Bxb4  	Really Shredder?
 10+9	 0:08 	35%    	1.Bxb4  	Really Shredder?
 10+9	 0:10 	22%    	1.Bxb4  	Really Shredder?
best move: Ba3xb4 time: 0:12.927 min  n/s: 60.799
Position:  1 1
  1+1	 0:01 	30%    	1.Bxb4  	Really Shredder?
  2+1	 0:01 	31%    	1.Bxb4  	Really Shredder?
  3+1	 0:01 	41%    	1.Bxb4  	Really Shredder?
  3+1	 0:01 	43%    	1.Bxb4  	Really Shredder?
  4+1	 0:01 	50%    	1.Bxb4  	Really Shredder?
  4+1	 0:01 	74%    	1.Bxb4  	Really Shredder?
  4+1	 0:01 	78%    	1.Bxb4  	Really Shredder?
  5+1	 0:01 	61%    	1.Bxb4  	Really Shredder?
  6+1	 0:01 	43%    	1.Bxb4  	Really Shredder?
  6+1	 0:01 	31%    	1.Bxb4  	Really Shredder?
  7+1	 0:01 	30%    	1.Bxb4  	Really Shredder?
  7+1	 0:01 	32%    	1.Bxb4  	Really Shredder?
  7+1	 0:03 	30%    	1.Bxb4  	Really Shredder?
  7+1	 0:03 	23%    	1.Bxb4  	Really Shredder?
  7+2	 0:03 	23%    	1.Bxb4  	Really Shredder?
  7+3	 0:03 	23%    	1.Bxb4  	Really Shredder?
  7+4	 0:03 	20%    	1.Bxb4  	Really Shredder?
  7+5	 0:03 	9%    	1.Bxb4  	Really Shredder?
  7+5	 0:04 	13%    	1.Bxb4  	Really Shredder?
  5+7	 0:04 	3%    	1.Bxb4  	Gambit Shredder
  5+7	 0:04 	5%    	1.Bxb4  	Gambit Shredder
  7+6	 0:04 	17%    	1.Bxb4  	Really Shredder?
  7+6	 0:04 	35%    	1.Bxb4  	Really Shredder?
  7+7	 0:04 	27%    	1.Bxb4  	Really Shredder?
  7+8	 0:04 	34%    	1.Bxb4  	Really Shredder?
  7+8	 0:04 	45%    	1.Bxb4  	Really Shredder?
  8+8	 0:06 	43%    	1.Bxb4  	Really Shredder?
  8+8	 0:06 	35%    	1.Bxb4  	Really Shredder?
  9+8	 0:06 	51%    	1.Bxb4  	Really Shredder?
  9+9	 0:07 	36%    	1.Bxb4  	Really Shredder?
 10+9	 0:09 	30%    	1.Bxb4  	Really Shredder?
 10+10	 0:10 	17%    	1.Bxb4  	Really Shredder?
 10+10	 0:13 	17%    	1.Bxb4  	Really Shredder?
 11+10	 0:21 	40%    	1.Bxb4  	Really Shredder?
 11+11	 0:27 	39%    	1.Bxb4  	Really Shredder?
 11+11	 0:27 	46%    	1.Bxb4  	Really Shredder?
best move: Ba3xb4 time: 0:28.891 min  n/s: 59.154
  4+5	 0:01 	66%    	1.Bxb4  	Really Shredder?
  4+6	 0:01 	66%    	1.Bxb4  	Really Shredder?
  4+7	 0:01 	55%    	1.Bxb4  	Really Shredder?
  5+8	 0:03 	38%    	1.Bxb4  	Really Shredder?
  6+8	 0:03 	20%    	1.Bxb4  	Really Shredder?
  6+8	 0:03 	9%    	1.Bxb4  	Really Shredder?
  8+7	 0:03 	5%    	1.Bxb4  	Kamikaze Shredder
  8+8	 0:03 	6%    	1.Bxb4  	Kamikaze Shredder
  8+8	 0:03 	10%    	1.Bxb4  	Kamikaze Shredder
  8+9	 0:03 	9%    	1.Bxb4  	Kamikaze Shredder
  9+8	 0:03 	26%    	1.Bxb4  	Really Shredder?
  9+8	 0:03 	43%    	1.Bxb4  	Really Shredder?
  9+8	 0:05 	59%    	1.Bxb4  	Really Shredder?
  9+9	 0:06 	48%    	1.Bxb4  	Really Shredder?
 10+9	 0:08 	58%    	1.Bxb4  	Really Shredder?
 10+9	 0:08 	52%    	1.Bxb4  	Really Shredder?
 10+9	 0:10 	39%    	1.Bxb4  	Really Shredder?
 11+10	 0:16 	20%    	1.Bxb4  	Really Shredder?
 11+10	 0:21 	43%    	1.Bxb4  	Really Shredder?
 11+11	 0:27 	42%    	1.Bxb4  	Really Shredder?
 11+11	 0:27 	21%    	1.Bxb4  	Really Shredder?
best move: Ba3xb4 time: 0:27.160 min  n/s: 60.284
  6+7	 0:01 	36%    	1.Bxb4  	Gandalf 4.32UCI
  6+7	 0:01 	28%    	1.Bxb4  	Gandalf 4.32UCI
  7+8	 0:02 	13%    	1.Bxb4  	Gandalf 4.32UCI
  7+8	 0:03 	23%    	1.Bxb4  	Gandalf 4.32UCI
  8+8	 0:05 	32%    	1.Bxb4  	Gandalf 4.32UCI
  8+9	 0:08 	19%    	1.Bxb4  	Gandalf 4.32UCI
 10+9	 0:12 	7%    	1.Bxb4  	Kamikaze Shredder
  9+10	 0:13 	2%    	1.Bxb4  	Gandalf 4.32UCI
 10+9	 0:17 	17%    	1.Bxb4  	Kamikaze Shredder
  9+11	 0:25 	2%    	1.Bxb4  	Gandalf 4.32UCI
 10+11	 0:29 	5%    	1.Bxb4  	Gandalf 4.32UCI
 11+10	 0:43 	13%    	1.Bxb4  	Kamikaze Shredder
 12+10	 1:07 	14%    	1.Bxb4  	Kamikaze Shredder
 11+12	 1:49 	24%    	1.Bxb4  	Gandalf 4.32UCI
 11+12	 2:47 	44%    	1.Bxb4  	Gandalf 4.32UCI
 11+12	 3:12 	28%    	1.Bxb4  	Gandalf 4.32UCI
 11+12	 3:55 	11%    	1.Bxb4  	Gandalf 4.32UCI
 11+12	 4:42 	10%    	1.Bxb4  	Gandalf 4.32UCI
 13+12	 6:10 	10%    	1.Nf5  	Kamikaze Shredder
 13+12	 6:39 	11%    	1.Nf5  	Kamikaze Shredder
 13+12	 8:17 	22%    	1.Nf5  	Kamikaze Shredder
 14+12	35:35 	62%    	1.Nf5  	Kamikaze Shredder
 14+12	55:22 	98%    	1.Nf5  	Kamikaze Shredder
 14+12	56:20 	48%    	1.Nf5  	Kamikaze Shredder
 14+12	89:41 	13%    	1.Nf5  	Kamikaze Shredder
 13+14	165:10 	52%    	1.e5  	Gandalf 4.32UCI
 14+13	188:41 	91%    	1.Nf5  	Kamikaze Shredder
 14+13	193:52 	85%    	1.Nf5  	Kamikaze Shredder
 15+13	196:39 	80%    	1.Nf5  	Kamikaze Shredder
 15+13	204:52 	56%    	1.Nf5  	Kamikaze Shredder
 14+15	395:35 	100%    	1.Bxb4  	Gandalf 4.32UCI
 15+14	412:34 	55%    	1.Nf5  	Kamikaze Shredder
 15+14	430:04 	56%    	1.Nf5  	Kamikaze Shredder
 15+14	460:29 	80%    	1.Nf5  	Kamikaze Shredder
 14+15	597:43 	100%    	1.e5  	Gandalf 4.32UCI
best move: e4-e5 time: 650:03.383 min  n/s: 50.311
  7+7	 0:01 	45%    	1.Bxb4  	Amyan 1.594
  7+7	 0:01 	49%    	1.Bxb4  	Amyan 1.594
  8+7	 0:01 	61%    	1.Bxb4  	Amyan 1.594
  8+7	 0:01 	72%    	1.Bxb4  	Amyan 1.594
  8+7	 0:02 	70%    	1.Bxb4  	Amyan 1.594
  8+7	 0:02 	69%    	1.Bxb4  	Amyan 1.594
  8+7	 0:02 	67%    	1.Bxb4  	Amyan 1.594
  9+7	 0:02 	47%    	1.Bxb4  	Amyan 1.594
  9+7	 0:03 	27%    	1.Bxb4  	Amyan 1.594
  9+7	 0:04 	27%    	1.Bxb4  	Amyan 1.594
  9+7	 0:04 	26%    	1.Bxb4  	Amyan 1.594
  9+8	 0:04 	39%    	1.Bxb4  	Amyan 1.594
  9+8	 0:05 	27%    	1.Bxb4  	Amyan 1.594
  9+8	 0:05 	46%    	1.Bxb4  	Amyan 1.594
  9+8	 0:06 	45%    	1.Bxb4  	Amyan 1.594
  9+8	 0:06 	29%    	1.Bxb4  	Amyan 1.594
  9+8	 0:07 	14%    	1.Bxb4  	Amyan 1.594
  9+9	 0:09 	14%    	1.Bxb4  	Amyan 1.594
 10+9	 0:10 	22%    	1.Bxb4  	Amyan 1.594
 10+9	 0:12 	25%    	1.Bxb4  	Amyan 1.594
 10+10	 0:17 	32%    	1.Bxb4  	Amyan 1.594
 10+10	 0:18 	32%    	1.Bxb4  	Amyan 1.594
best move: Ba3xb4 time: 0:20.592 min  n/s: 38.518
  7+6	 0:01 	36%    	1.Bxb4  	Amyan 1.594
  8+6	 0:02 	47%    	1.Bxb4  	Amyan 1.594
  8+7	 0:02 	38%    	1.Bxb4  	Amyan 1.594
  8+8	 0:02 	38%    	1.Bxb4  	Amyan 1.594
  9+8	 0:03 	33%    	1.Bxb4  	Amyan 1.594
  9+8	 0:03 	22%    	1.Bxb4  	Amyan 1.594
  9+9	 0:05 	33%    	1.Bxb4  	Amyan 1.594
  9+9	 0:07 	34%    	1.Bxb4  	Amyan 1.594
 10+9	 0:08 	46%    	1.Bxb4  	Amyan 1.594
 10+10	 0:10 	49%    	1.Bxb4  	Amyan 1.594
 10+10	 0:15 	49%    	1.Bxb4  	Amyan 1.594
 11+10	 0:17 	45%    	1.Bxb4  	Amyan 1.594
 11+10	 0:23 	36%    	1.Bxb4  	Amyan 1.594
 11+11	 0:38 	32%    	1.Bxb4  	Amyan 1.594
 11+11	 0:48 	33%    	1.Bxb4  	Amyan 1.594
 12+11	 1:10 	41%    	1.Bxb4  	Amyan 1.594
 12+12	 1:36 	47%    	1.Bxb4  	Amyan 1.594
 12+12	 1:50 	48%    	1.Bxb4  	Amyan 1.594
 13+12	 2:56 	45%    	1.Bxb4  	Amyan 1.594
 13+12	 4:29 	48%    	1.Bxb4  	Amyan 1.594
 13+12	 5:02 	50%    	1.Bxb4  	Amyan 1.594
 14+13	 6:25 	51%    	1.Bxb4  	Amyan 1.594
 14+13	 6:25 	44%    	1.Bxb4  	Amyan 1.594
 14+13	 7:29 	33%    	1.Bxb4  	Amyan 1.594
 14+13	12:45 	30%    	1.Bxb4  	Amyan 1.594
 14+13	25:46 	12%    	1.Bxb4  	Amyan 1.594
 14+14	27:47 	29%    	1.Bxb4  	Amyan 1.594
 14+15	29:52 	2%    	1.Bxb4  	PatzerUCI Leiden
 15+14	30:05 	1%    	1.Bxb4  	Amyan 1.594
 14+15	32:14 	9%    	1.Bxb4  	PatzerUCI Leiden
 14+15	37:17 	4%    	1.Bxb4  	PatzerUCI Leiden
 15+15	47:05 	21%    	1.Bxb4  	PatzerUCI Leiden
 15+15	98:34 	42%    	1.Bxb4  	Amyan 1.594
 16+15	106:01 	52%    	1.Bxb4  	Amyan 1.594
 16+15	113:00 	47%    	1.Bxb4  	Amyan 1.594
 16+15	130:09 	45%    	1.Bxb4  	Amyan 1.594
 15+16	201:54 	50%    	1.Bxb4  	PatzerUCI Leiden
 16+15	387:35 	100%    	1.e5  	Amyan 1.594
5	113:00

On October 04, 2004 at 16:51:50, Eelco de Groot wrote:

>
>[Event "Wch-Comp-11 Maastricht"]
>[Site "Maastricht"]
>[Date "19/8/2001"]
>[Round "2"]
>[White "Ferret 2xAMD 1.2"]
>[Black "Gandalf 5.0"]
>[Result "1-0"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
>O-O 9. h3 Bb7
>10. d4 Re8 11. Nbd2 Bf8 12. a4 h6 13. Bc2 exd4 14. cxd4 Nb4 15. Bb1 g6 16. Ra3
>Bg7 17. Nh2
>c5 18. d5 Nd7 19. Ndf3 h5 20. Nf1 bxa4 21. Qxa4 a5 22. Ne3 Ba6 23. Qd1 c4 24.
>Nd2 Ne5 25. Rf1
>Qb6 26. Kh2 c3 27. bxc3 Bxf1 28. Qxf1 Na6 29. Rb3 Qc7 30. c4 Nb4 31. Qd1 Nd7 32.
>Nef1
>Nc5 33. Rf3 a4 34. Kg1 Reb8 35. Rg3 Qe7 36. Ba3 Be5 37. Re3 Bf4 38. Rf3 Qe5 39.
>h4 Bh6
>40. Ne3 Nb3 41. Ndf1 Bxe3 42. Nxe3 Qa1
>
>[D]rr4k1/5p2/3p2p1/3P3p/pnP1P2P/Bn2NR2/5PP1/qB1Q2K1 w - - 1 1
>
>43. e5 Qxa3
>
>[D]rr4k1/5p2/3p2p1/3PP2p/pnP4P/qn2NR2/5PP1/1B1Q2K1 w - - 0 1
>
>
>44. Rxf7 Kxf7 45. Qf3+ Kg8 46. Qf6
>Qa1 47. Qe6+ Kf8 48. Qxd6+ Ke8 49. Qxg6+ Kd8 50. d6 Kc8 51. Qf7 Qxb1+ 52. Kh2
>Na6 53. e6
>Nbc5 54. e7 Qe4 55. d7+ Nxd7 56. e8Q+ Qxe8 57. Qxe8+ Kc7 58. Nd5+ Kc6 59. Qe6+
>Kc5 60. Qxd7
>a3 61. Qf5 Kxc4 62. Ne3+ Kc3 63. Qc2+ Kb4 64. Qc4+ Ka5 65. Qc3+ Kb5 66. Qb3+ Kc6
>67. Qa4+
>Kb6 68. Qxa3 Rh8 69. Qd6+ Kb5 70. Qe5+ Nc5 71. Qb2+ Kc6 72. Qf6+ Kb5 73. Nd5
>Rhc8 74. Qb2+
>Kc6 75. Ne7+ 1-0
>
>Hello, I am curious if there are programs that can find Ferret's 43.e5! in the
>first diagram, in reasonable time? You probably have to have some sort of
>singular extensions to play 43.e5! even if then you then don't see 44.Rxf7 yet.
>
>Rebel 12 could find e5 with its singular extensions enabled, but the searchtree
>in Rebel 12 would often grow out of control at ply>12 . Programs with singular
>extensions, like Bruce Moreland's Ferret have the advantage here, but is it
>findable with other extensions?
>
>My own current settings for Pro Deo do play 44.Rxf7! but only after 16 minutes,
>lots of nondefault extensions
>
>[Pruning = MISC_30]* extend singular checks , [Extensions (remaining)= 15] -not
>sure this last one is right as I remember these remaining Rebel extensions were
>bitsettings, not normal settings?-
>
>and big minusscore on my Celeron 500MHz, 43.e4-e5 I can't get yet. (43.Ba3xb4
>and 43.Ne3-f5 are other choices but I'm afraid these only lead to a lost game).
>
>
>Pro Deo 1.0 at move 44, custom settings:
>00:16:44.8	-3,52	12	162748792	Rxf7 Kxf7 Qf3+ Kg8 Qe4 Qc1+ Kh2 Qxb1 Qxb1
>00:16:44     12.15  -3.52  			44.Rxf7 Kxf7 45.Qf3 Kg8 46.Qe4 Qc1 47.Kh2 Qxb1
>48.Qxb1
>
>Is Ferret the only one to find the winning continuation quickly ?
>
>Regards, Eelco



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