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Subject: Re: Test position (CM9 T05)

Author: Frank E. Oldham

Date: 18:52:39 09/17/04

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On September 17, 2004 at 18:05:40, Kurt Utzinger wrote:

>24.Bxg6!!
>[D]2r2rk1/p3bb1p/2n1Q1p1/q2pP3/3P1P2/p1NB1NR1/1P4P1/1K1R4 w - - 0 24
>
>[Event "New York"]
>[Site "New York"]
>[Date "1947.??.??"]
>[Round "?"]
>[White "Evans, L."]
>[Black "Pilnick, C."]
>[Result "1-0"]
>[ECO "C13"]
>[PlyCount "57"]
>
>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 O-O 8.
>O-O-O c5 9. h4 cxd4 10. Nce2 Nc6 11. f4 Qa5 12. Kb1 d3 13. cxd3 Bd7 14. Rh3
>Rac8 15. Rg3 g6 16. d4 b5 17. h5 Nb4 18. a3 Nc6 19. hxg6 fxg6 20. Nc3 b4 21.
>Bd3 Be8 22. Nf3 bxa3 23. Qxe6+ Bf7 24. Bxg6 axb2 25. Bxh7+ Kh8 26. Qh6 Qa1+ 27.
>Kc2 b1=Q+ 28. Rxb1 Nb4+ 29. Kd1 1-0
>
>
>****CM9_T05 on P4 1.8/32 MB hash****
>
>Time	Depth	Score	Positions	Moves
>0:01	1/5	-3.25	101303		24.Qg4 axb2 25.e6 Qa1+ 26.Kc2 Nxd4+
>					27.Nxd4 Rxc3+ 28.Kd2 Qc1+ 29.Ke2
>0:04	1/6	-3.94	255239		24.Qg4 Rb8 25.Nb5 Rxb5 26.Bxb5
>					Qxb5 27.Rd2 Qf1+ 28.Ka2 Nb4+ 29.Kb3
>					Qc4+ 30.Ka4 axb2 31.Rxb2 Qa6+ 32.Kb3
>0:05	1/6	-3.45	338728		24.Qd7 axb2 25.e6 Qa1+ 26.Kc2 Nxd4+
>					27.Kd2 b1=N+ 28.Nxb1 Bb4+ 29.Ke3
>					Nxe6
>0:10	1/7	-3.29	671636		24.Qd7 axb2 25.e6 Qa1+ 26.Kc2 Nxd4+
>					27.Kd2 b1=N+ 28.Nxb1 Bb4+ 29.Ke3
>					Bxe6
>0:27	1/8	-3.69	1830704		24.Qd7 axb2 25.e6 Qa1+ 26.Kc2 Nb8
>					27.exf7+ Kg7 28.Qb5 Rxc3+ 29.Kd2
>					Qc1+ 30.Ke2 Rxd3 31.Qxd3 b1=Q 32.Rxc1
>					Qxc1
>1:34	1/9	-3.83	6611609		24.Qd7 axb2 25.e6 Qa1+ 26.Kc2 Nxd4+
>					27.Kd2 Rxc3 28.exf7+ Rxf7 29.Qe8+
>					Bf8 30.Bb1 Rb3 31.Rxg6+ hxg6 32.Nxd4
>
>2:51	1/9	-1.58	12262258	24.Bxg6 Bxe6 25.Bxh7+ Kh8 26.Rh1
>					Bh4 27.Rxh4 Rxf4 28.Rxf4 axb2 29.Kxb2
>					Rb8+ 30.Kc2 Qa3
>4:22	1/10	-0.40	19047005	24.Bxg6 Bxe6 25.Bxh7+ Kh8 26.Rh1
>					a2+ 27.Nxa2 Rxf4 28.Bf5+ Bh4 29.Nxh4
>					Rf1+ 30.Rxf1 Nxd4 31.Bd3
>11:36	1/11	1.31	52142760	24.Bxg6 Bxe6 25.Bxh7+ Kh8 26.Rh1
>					a2+ 27.Nxa2 Bh4 28.Rxh4 Rxf4 29.Rxf4
>					Rb8 30.Bf5 Bxf5+ 31.Rxf5

crafty19.17 on Mac dual 2GHz G5 -- great sequence of fail-highs :-)
White(1): 2r2rk1/p3bb1p/2n1Q1p1/q2pP3/3P1P2/p1NB1NR1/1P4P1/1K1R4 w
                5     0.10  -5.69   1. Qh3 axb2 2. Bf5 Qa1+ 3. Kc2 Nb4+
                                    4. Kd2 Rxc3 5. Kxc3 Qxd1 6. Kxb2 (s=2)
                5     0.13  -5.40   1. Qg4 axb2 2. Bf5 Qa1+ 3. Kc2 Nb4+
                                    4. Kd2 Rxc3 5. Kxc3 Qxd1 6. Kxb2
                5->   0.18  -5.40   1. Qg4 axb2 2. Bf5 Qa1+ 3. Kc2 Nb4+
                                    4. Kd2 Rxc3 5. Kxc3 Qxd1 6. Kxb2 (s=6)
                6     0.24  -5.49   1. Qg4 axb2 2. e6 Qa1+ 3. Kc2 Nb4+
                                    4. Kd2 Rxc3 5. exf7+ Rxf7 6. Bb1 (s=5)
                6->   0.38  -5.49   1. Qg4 axb2 2. e6 Qa1+ 3. Kc2 Nb4+
                                    4. Kd2 Rxc3 5. exf7+ Rxf7 6. Bb1 (s=5)
                7     0.50     -1   1. Qg4
                7     0.64  -5.96   1. Qg4 axb2 2. e6 Be8 3. Kxb2 Qa3+
                                    4. Kb1 Qb3+ 5. Kc1 Qxc3+ 6. Bc2 (s=4)
                7     1.17  -5.43   1. Qd7 axb2 2. e6 Qa1+ 3. Kc2 Nxd4+
                                    4. Kd2 b1=N+ 5. Nxb1 Bb4+ 6. Ke3 Bxe6
                                    7. Qb7 (s=3)
                7->   1.41  -5.43   1. Qd7 axb2 2. e6 Qa1+ 3. Kc2 Nxd4+
                                    4. Kd2 b1=N+ 5. Nxb1 Bb4+ 6. Ke3 Bxe6
                                    7. Qb7
                8     1.96  -5.70   1. Qd7 axb2 2. e6 Qa1+ 3. Kc2 Nxd4+
                                    4. Nxd4 Rxc3+ 5. Kd2 Rxd3+ 6. Rxd3
                                    Qxd1+ 7. Kxd1 b1=Q+ 8. Ke2 Qb2+ 9.
                                    Kf1
                8->   2.92  -5.70   1. Qd7 axb2 2. e6 Qa1+ 3. Kc2 Nxd4+
                                    4. Nxd4 Rxc3+ 5. Kd2 Rxd3+ 6. Rxd3
                                    Qxd1+ 7. Kxd1 b1=Q+ 8. Ke2 Qb2+ 9.
                                    Kf1 (s=2)
                9     4.70  -6.06   1. Qd7 axb2 2. e6 Qa1+ 3. Kc2 Nxd4+
                                    4. Nxd4 Rxc3+ 5. Kd2 Rc1 6. exf7+ Rxf7
                                    7. Qe8+ Bf8 8. Bb1 Qxb1
                9     9.21  -5.74   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Bd3 Rxf4
                                    4. Rh1+ Bh4 5. Rxh4+ Rxh4 6. Nxh4 a2+
                                    7. Ka1 Nxd4 8. Ng6+ Kg7 9. Nxa2
                9->   9.40  -5.74   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Bd3 Rxf4
                                    4. Rh1+ Bh4 5. Rxh4+ Rxh4 6. Nxh4 a2+
                                    7. Ka1 Nxd4 8. Ng6+ Kg7 9. Nxa2 (s=3)
               10    10.61     +1   1. Bxg6!!
               10    12.89     +3   1. Bxg6!!
               10    15.91  -3.21   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Nxh4 Nxe5 5. Bf5 a2+ 6. Nxa2 Rxf5
                                    <HT> (s=2)
               10->  17.81  -3.21   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Nxh4 Nxe5 5. Bf5 a2+ 6. Nxa2 Rxf5
                                    <HT>
               11    25.48     +1   1. Bxg6!!
               11    31.74  -2.16   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Nxh4 Rfe8 5. Bg6 Re7 6. Nf5+ Kg8
                                    7. Nxe7+ Nxe7
               11->  34.26  -2.16   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Nxh4 Rfe8 5. Bg6 Re7 6. Nf5+ Kg8
                                    7. Nxe7+ Nxe7
               12     1:33     +1   1. Bxg6!!
               12     2:32     +3   1. Bxg6!!
               12     4:47   0.12   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Bd3 Rxf4 5. Nxh4 Rf1+ 6. Rxf1 Ne7
                                    7. Ng6+ Nxg6 8. Rxg6 a2+ 9. Nxa2 Rc6
               12->   4:51   0.12   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Bd3 Rxf4 5. Nxh4 Rf1+ 6. Rxf1 Ne7
                                    7. Ng6+ Nxg6 8. Rxg6 a2+ 9. Nxa2 Rc6
               13     8:31     +1   1. Bxg6!!
               13    11:23   1.05   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Bd3 a2+ 5. Nxa2 Rxf4 6. Nxh4 Rf1+
                                    7. Rxf1 Ne7 8. Ng6+ Nxg6 9. Rxg6 Bg8
                                    10. e6
               13->  11:33   1.05   1. Bxg6 Bxe6 2. Bxh7+ Kh8 3. Rh1 Bh4
                                    4. Bd3 a2+ 5. Nxa2 Rxf4 6. Nxh4 Rf1+
                                    7. Rxf1 Ne7 8. Ng6+ Nxg6 9. Rxg6 Bg8
                                    10. e6
              14    11:45   1/51*  1. Bxg6

             time=11:58  cpu=396%  mat=0  n=1774733756  fh=92%  nps=2.47M
              ext-> chk=113556323 cap=3340435 pp=5936754 1rep=10360687
mate=1365096
              predicted=0  nodes=1774733756  evals=459794661  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=1416  stop=195  data=8/64  cpu=47:26  elap=11:58

White(1): Bxg6
              time used:  11:58

Frank



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