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Subject: Re: mate-in -11 CM 10 -> TK 3.33 +M11 after 45 sec

Author: Vincent Lejeune

Date: 16:27:49 11/28/04

Go up one level in this thread


On November 27, 2004 at 17:51:53, Mike Byrne wrote:

>[d]r4r2/1q2ppk1/b1np2p1/6P1/4P3/1BNnBP2/PP1K4/R2Q3R w - - 0 25

AMD barton@3000+ (while other little things running)

Time	Depth	Score	Positions	Moves
0:03	1/9	9.13	1018464		1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3
					4.axb3 Nf4 5.Bxf4 Bf1 6.Rxf1 Nd4
					7.Nd5
0:04	1/10	9.20	1320601		1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3
					4.axb3 Nf4 5.Bxf4 Bf1 6.Rxf1 Nd4
					7.Nd5 Nxb3+ 8.Kc3
0:08	1/11	14.55	2839095		1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3
					4.axb3 Nf4 5.Bxf4 Bf1 6.Rxf1 Ra1
					7.Rxa1 Nd4 8.Nd5 Nxf3+ 9.Ke3
0:15	1/12	Mate12	5334387		1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3
					4.axb3 Ne1 5.Rxe1 Bf1 6.Nd5 Ra2
					7.Nf6+ exf6 8.gxf6 Rxb2+ 9.Kc1
					Rb1+ 10.Kxb1 Bd3+ 11.Kb2 Rb8 12.Qg7#
0:24	1/13	Mate12	9273497		1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3
					4.axb3 Ne1 5.Rxe1 Bf1 6.Nd5 Ra2
					7.Nf6+ exf6 8.gxf6 Rxb2+ 9.Kc1
					Rb1+ 10.Kxb1 Bd3+ 11.Kb2 Rb8 12.Qg7#
0:45	2/14	Mate11	17591218	1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3
					4.axb3 Ne1 5.Rxe1 Bf1 6.Rxf1 Ra1
					7.Rxa1 Ne5 8.Rh1 Nxf3+ 9.Kc1 Nh2
					10.Rxh2 f6 11.Qxg6#

>
>nice move by Nguyen ....
>
>[Event "Moscow ol (Men)"]
>[Site "Moscow"]
>[Date "1994.??.??"]
>[Round "2"]
>[White "Nguyen Anh Dung"]
>[Black "Zueger, Beat"]
>[Result "1-0"]
>[ECO "E81"]
>[WhiteElo "2340"]
>[BlackElo "2420"]
>[PlyCount "61"]
>[EventDate "1994.11.??"]
>[Source "ChessBase"]
>
>1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 a6 7. Nge2 c6 8. g4 b5
>9. Ng3 bxc4 10. g5 Nfd7 11. Bxc4 Nb6 12. Bb3 a5 13. h4 a4 14. Bxa4 Nc4 15. Bc1
>c5 16. Nge2 cxd4 17. Nxd4 Qb6 18. Bb3 Ne5 19. Be3 Ba6 20. Nf5 Qb7 21. Nxg7 Nd3+
>22. Kd2 Kxg7 23. h5 Nc6 24. hxg6 hxg6 25. Rh7+ Kxh7 26. Qh1+ Kg8 27. Qh6 Nce5
>28. Rh1 Nxf3+ 29. Kd1 Nxb2+ 30. Kc1 Nd3+ 31. Kb1 1-0
>
>White(1): r4r2/1q2ppk1/b1np2p1/6P1/4P3/1BNnBP2/PP1K4/R2Q3R/ w
>White(1): st 6000
>search time set to 6000.00.
>White(1): g
>              time surplus   0.00  time limit 100:00 (100:00)
>              depth   time  score   variation (1)
>starting thread 1
>                6     0.34   0.27   1. Rh6 Na5 2. Rb1 Nxb3+ 3. Qxb3 Qc8
>                                    4. Qd5 Bc4
>                6->   0.44   0.27   1. Rh6 Na5 2. Rb1 Nxb3+ 3. Qxb3 Qc8
>                                    4. Qd5 Bc4
>                7     0.64   0.31   1. Rh6 Na5 2. Rb1 Nxb3+ 3. Qxb3 Qxb3
>                                    4. axb3 Rfb8 5. Kc2 Rc8
>                7     0.81   0.54   1. Rb1 Rfc8 2. Rh6 e6 3. Qh1 Na5 4.
>                                    Rh7+ Kf8
>                7->   0.90   0.54   1. Rb1 Rfc8 2. Rh6 e6 3. Qh1 Na5 4.
>                                    Rh7+ Kf8 (s=2)
>                8     1.37   0.33   1. Rb1 Rh8 2. Rh6 Rac8 3. Qh1 Qb4 4.
>                                    Bd5 Nd4 <HT>
>                8->   2.75   0.33   1. Rb1 Rh8 2. Rh6 Rac8 3. Qh1 Qb4 4.
>                                    Bd5 Nd4 <HT> (s=6)
>                9     8.45   0.41   1. Rb1 Rab8 2. Nd5 Rbc8 3. Nb6 Rc7
>                                    4. Bd5 e6 5. Bd4+ Kg8 (s=5)
>                9    11.59   0.46   1. Rh6 Na5 2. Qc2 Nxb2 3. Rah1 Rh8
>                                    4. Nd5 Nxb3+ 5. axb3 Nd3 6. Ke2 (s=3)
>                9->  12.92   0.46   1. Rh6 Na5 2. Qc2 Nxb2 3. Rah1 Rh8
>                                    4. Nd5 Nxb3+ 5. axb3 Nd3 6. Ke2 (s=2)
>               10    29.87   0.55   1. Rh6 Na5 2. Nd5 Rfc8 3. Nb6 Nxb2
>                                    4. Bd4+ e5 5. Qb1 Nbc4+ 6. Bxc4 Nxc4+
>                                    7. Nxc4 Qxb1 8. Rxb1 Bxc4
>               10->  45.47   0.55   1. Rh6 Na5 2. Nd5 Rfc8 3. Nb6 Nxb2
>                                    4. Bd4+ e5 5. Qb1 Nbc4+ 6. Bxc4 Nxc4+
>                                    7. Nxc4 Qxb1 8. Rxb1 Bxc4 (s=2)
>               11     1:33   0.42   1. Rh6 Nxb2 2. Qh1 Nc4+ 3. Ke1 Rh8
>                                    4. Bxc4 Bxc4 5. a4 Qb4 6. Bd2 Nd4 7.
>                                    a5
>               11->   2:10   0.42   1. Rh6 Nxb2 2. Qh1 Nc4+ 3. Ke1 Rh8
>                                    4. Bxc4 Bxc4 5. a4 Qb4 6. Bd2 Nd4 7.
>                                    a5
>               12     2:56   0.24   1. Rh6 Nxb2 2. Qh1 Nc4+ 3. Ke1 Rh8
>                                    4. Bxc4 Bxc4 5. Rb1 Qa6 6. a4 Qa5 7.
>                                    Rc1 Qe5
>               12     7:54   0.31   1. Rb1 Rh8 2. Rh6 e6 3. Ba4 Rac8 4.
>                                    Qh1 e5 5. Kd1 Nxb2+ 6. Ke1 Bd3 7. Rxh8
>                                    <HT>
>               12     9:08     +1   1. Rh7+!!
>               12     9:28     +3   1. Rh7+!!
>               12    10:10     +M   1. Rh7+!!
>               12    10:42   5.97   1. Rh7+ Kxh7 2. Qh1+ Kg8 3. Qh6 Nce5
>                                    4. Rh1 Nxf3+ 5. Kc2 Nde1+ 6. Kd1 Be2+
>                                    7. Nxe2 Qxb3+ 8. axb3 Ra1+ 9. Nc1 Rxc1+
>                                    10. Kxc1 Rc8+ 11. Kb1
>               12->  11:09   5.97   1. Rh7+ Kxh7 2. Qh1+ Kg8 3. Qh6 Nce5
>                                    4. Rh1 Nxf3+ 5. Kc2 Nde1+ 6. Kd1 Be2+
>                                    7. Nxe2 Qxb3+ 8. axb3 Ra1+ 9. Nc1 Rxc1+
>                                    10. Kxc1 Rc8+ 11. Kb1 (s=5)
>               13    11:58     +1   1. Rh7+!!
>?              13    12:45   1/43*  1. Rh7+
>White(1): ?
>              time=12:53  cpu=96%  mat=1  n=756099082  fh=90%  nps=977K
>              ext-> chk=39661514 cap=2345399 pp=290158 1rep=3494032 mate=845666
>              predicted=0  nodes=756099082  evals=205390079  50move=0
>              endgame tablebase-> probes=0  hits=0
>              SMP->  split=1082  stop=223  data=5/128  cpu=12:29  elap=12:53
>
>White(1): Rh7+
>              time used:  12:53
>
>Nguyen Anh Dung - Zueger,B, Moscow ol (Men) 1994
>r4r2/1q2ppk1/b1np2p1/6P1/4P3/1BNnBP2/PP1K4/R2Q3R w - - 0 1
>
>Analysis by The King:
>
>25.Rb1 Nc5 26.Ke1 Ne5
>  ²  (0.58)   Depth: 3   00:00:00
>25.Qf1 Rh8 26.Rxh8 Rxh8
>  ±  (0.83)   Depth: 3   00:00:00
>25.Qf1 Rh8 26.Rxh8 Rxh8
>  ±  (0.83)   Depth: 4   00:00:01
>25.Kc2 Nc5 26.Kc1 Nxb3+ 27.Qxb3 Qxb3 28.axb3
>  ±  (0.96)   Depth: 4   00:00:01
>25.Kc2 Nce5 26.Rh6 Bc4 27.Qh1 Bxb3+ 28.axb3
>  ±  (0.81)   Depth: 5   00:00:01
>25.Kc2 Bc4 26.Kb1 Na5 27.Qd2 Nxb3 28.axb3 Rxa1+ 29.Kxa1 Qxb3
>  =  (0.20)   Depth: 6   00:00:02  155kN
>25.Rb1 e6 26.Rh6 Na5 27.Bd4+ Ne5 28.Qh1 Rh8
>  ±  (0.79)   Depth: 6   00:00:02  202kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Nce5 28.Rh1 Nxf3+ 29.Kc2 Nb4+ 30.Kc1 Nh4 31.Rxh4
>  ±  (1.31)   Depth: 6   00:00:03  269kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Ne1 28.Qxg6+ Kh8 29.Qh6+ Kg8 30.Rxe1 Ne5 31.Rh1
>Nxf3+ 32.Kc1
>  +-  (2.43)   Depth: 7   00:00:03  325kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Qxb3 28.axb3 Nf4 29.Bxf4 Nd4 30.Nd5 Nxb3+ 31.Kc3
>  +-  (5.49)   Depth: 8   00:00:04  452kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Qxb3 28.axb3 Nf4 29.Bxf4 Bf1 30.Rxf1 Nd4 31.Nd5
>  +-  (9.30)   Depth: 9   00:00:10  917kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Qxb3 28.axb3 Nf4 29.Bxf4 Bf1 30.Rxf1 Nd4 31.Nd5
>Nxb3+ 32.Kc3
>  +-  (9.50)   Depth: 10   00:00:12  1236kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Qxb3 28.axb3 Nf4 29.Bxf4 Bf1 30.Rxf1 Ra1 31.Rxa1
>Nd4 32.Nd5
>  +-  (14.75)   Depth: 11   00:00:21  2752kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Qxb3 28.axb3 Ne1 29.Rxe1 Bf1 30.Nd5 Ra2 31.Nf6+
>exf6 32.gxf6 Rxb2+ 33.Kc1 Rb1+ 34.Kxb1 Bd3+ 35.Kc1 Rb8 36.Qg7#
>  +-  (99.77)   Depth: 12   00:00:34  5091kN
>25.Rh7+ Kxh7 26.Qh1+ Kg8 27.Qh6 Qxb3 28.axb3 Ne1 29.Rxe1 Bf1 30.Nd5 Ra2 31.Nf6+
>exf6 32.gxf6 Rxb2+ 33.Kc1 Rb1+ 34.Kxb1 Bd3+ 35.Kc1 Rb8 36.Qg7#
>  +-  (99.77)   Depth: 13   00:01:00  9917kN
>
>(Byrne, MyTown 27.11.2004)



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