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Subject: Re: After 40.Bh5+ Kxh5 Mate in 20!! +[D]

Author: Vincent Lejeune

Date: 08:53:02 10/12/03

Go up one level in this thread


On October 12, 2003 at 10:57:46, Vincent Lejeune wrote:

>On October 12, 2003 at 07:35:41, Ignacio Santos Crespo wrote:
>
>>On October 12, 2003 at 00:20:40, John Merlino wrote:
>>
>>>On October 11, 2003 at 18:00:20, Ignacio Santos Crespo wrote:
>>>
>>>>>>>Rebel announce a mate !! after 39. .... KG6 ????@@@@#####%%%
>>>>>>>[D]1R6/2r1q1p1/Q2pPpkp/2pPn3/4P3/P5P1/P3B2P/6K1 w - - 0 40
>>>> After 40.Bh5+ Kxh5 it´s Mate in 20!!
>>>
>>>Prove this, please.
>>>
>>>jm
>>
>>
>>41. Qf1,g5 42. Rg8,Qg7 43. Rxg7 Rxg7 44. Qxf6 Rb7 (if Rg8 mate in 14) 45. e7
>>Rb1+ (if Rb8+ mate in 13) 46. Kg2 Rb2+ 47. Kf1 Rb1+ (if Rb8 mate in 12) 48. Ke2
>>Rb2+ (if Rb8 mate in 11) 49. Kd1 Rb1+ (if Rb8 mate in 11) 50. Kc2 Rb8 51. Qf8
>>and now Chessmaster sees mate.
>
>Really very deep mate !
>after 49...Rb1+ :
>[D]8/4P3/3p1Q1p/2pPn1pk/4P3/P5P1/P6P/1r1K4 w - -
>
>
>here's the chessmaster 9000 (SKR + SS=16; Hash=128 MB) solution :
>
>Time	Depth	Score	Positions	Moves
>0:00	1/7	12.21	58236		11.Kc2 Rb8 12.Qxd6 Re8 13.Qxe5
>					Kg6 14.d6 Kf7 15.Qf5+ Kg7 16.Qxc5
>0:00	1/8	15.77	110304		11.Kc2 Rb8 12.Qxd6 Ng6 13.Qxb8
>					Nxe7 14.d6 Nc6 15.Qe8+ Kg4 16.Qc8+
>					Kf3 17.Qxc6
>0:00	1/9	16.25	213750		11.Kc2 Rb8 12.Qxd6 Ng6 13.Qxb8
>					Nxe7 14.d6 Nf5 15.exf5 Kg4 16.d7
>0:02	1/10	17.22	803855		11.Kc2 Rb8 12.Qxd6 Re8 13.Qxe5
>					c4 14.Qe6 Rxe7 15.Qxe7 Kg4 16.Kc3
>					Kh3 17.Kxc4 Kxh2
>0:13	1/11	19.64	4141331		11.Kc2 Rb8 12.Qxd6 Ng6 13.Qxb8
>					Nxe7 14.d6 Nd5 15.d7 Nf6 16.d8=Q
>					Kg6 17.Qe5
>0:25	1/12	21.66	8056271		11.Kc2 Rb8 12.Qxd6 Rb2+ 13.Kc3
>					Rf2 14.e8=Q+ Kg4 15.Qxc5 Rf3+ 16.Kd4
>					Kh3 17.Qh5+ Kg2 18.Kxe5 Rf2 19.Qxh6
>					Rxa2 20.Qxg5 Kxh2
>1:05	1/13	23.10	21578659	11.Kc2 Rb8 12.Qxd6 Ng6 13.Qxb8
>					Nxe7 14.d6 Nc6 15.Qe8+ Kg4 16.Qxc6
>					Kh3 17.d7 Kxh2 18.Qxh6+ Kxg3 19.Qxg5+
>					Kf3 20.Qf5+ Ke3 21.d8=Q
>1:31	1/14	24.18	31124730	11.Kc2 Rb8 12.Qxd6 Ng6 13.Qxb8
>					Nxe7 14.d6 Nf5 15.exf5 Kg4 16.d7
>					Kh3 17.d8=Q c4 18.Qbc7 Kg4 19.Qd4+
>					Kh3 20.Qcxc4 Kxh2
>2:42	1/15	24.59	56923519	11.Kc2 Rb8 12.Qxd6 Ng6 13.Qxb8
>					Nxe7 14.d6 Nc6 15.Qe8+ Kg4 16.Qd7+
>					Kf3 17.Qxc6 Kg2 18.d7 h5 19.d8=Q
>					Kxh2 20.Qxg5 Kh3 21.Qd7+ Kg2 22.Qxh5
>6:59	2/16	Mate15	151395240	11.Kc2 Rb8 12.Qxd6 Rb2+ 13.Kc3
>					Kg4 14.Qf6 Rxh2 15.e8=Q Nf3 16.Qb8
>					Nd4 17.Qc8+ Kxg3 18.Qd6+ Kf3 19.Qxh2
>					Ne2+ 20.Kd2 Nd4 21.Qhh3+ Kf4 22.Qhg4+
>					Ke5 23.Qe8+ Kf6 24.e5+ Kg7 25.Qgd7#
>12:13	3/17	Mate12	277516515	11.Kc2 Rb8 12.h3 Re8 13.Qf8 Rxf8
>					14.exf8=Q Kg6 15.Qxd6+ Kg7 16.Qxe5+
>					Kg6 17.Qe8+ Kg7 18.d6 Kf6 19.d7
>					Kg7 20.d8=Q h5 21.Qh8+ Kg6 22.Qde8#
>21:43	4/18	Mate12	530019876	11.Kc2 Rb8 12.h3 Re8 13.Qf8 Rxf8
>					14.exf8=Q Kg6 15.Qxd6+ Kg7 16.Qxe5+
>					Kg6 17.Qe8+ Kg7 18.d6 Kf6 19.d7
>					Kg7 20.d8=Q h5 21.Qg8+ Kh6 22.Qdxg5#
>...
>
>
>I wonder if Rebel really find the mate, or it's a bug who made it overlooked
>some refutations :))



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