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Subject: Re: Mate in 16? ..see if your computer will solve it!

Author: Ernst Walet

Date: 14:07:12 02/16/01

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On February 16, 2001 at 16:57:11, Lin Harper wrote:

>   I've got Chessmaster8000 and Genius5. Both machines had no trouble
>   finding the winning line, but neither announced mate from the
>   starting position. Did Crafty announce mate from it's first move?
>   Did Deep Fritz?
>    My hardware is'nt slow... P4 1.3Ghz  128mb RDRam.

I beg your pardon?  On my PIII 500 CM8000 announces a mat in 39 seconds!

Time	Depth	Score	Positions	Moves
0:04	6/13	7.43	272413		1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. Rf5 Kh2 6. Rh5+
					Kg1 7. Rxc5 Kh2 8. Rh5+ Kg1 9.
					a4 Kf1 10. Rf5+ Kg1 11. Ke3 Kh2
					12. Rh5+ Kg1
0:06	7/14	9.98	546727		1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. Ke3 Kh2 6. Rh8+
					Kg1 7. Rh3 Kf1 8. Rxg3 Ke1 9. Rxg2
					Kd1 10. Rg5 Kc2 11. Rxc5 Kc3
0:10	8/15	13.96	1163811		1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. a4 Kh2 6. Rh8+ Kg1
					7. a5 Kf1 8. Rf8+ Kg1 9. a6 Kh2
					10. Rh8+ Kg1 11. a7 Kf1 12. Rf8+
					Kg1 13. a8=Q Kh2 14. Rh8+ Kg1 15.
					Ke3
0:20	9/16	13.90	2571297		1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. a4 Kh2 6. Rh8+ Kg1
					7. a5 Kf1 8. Rf8+ Kg1 9. a6 Kh2
					10. Rh8+ Kg1 11. a7 Kf1 12. Rf8+
					Kg1 13. a8=Q Kh2 14. Rh8+ Kg1 15.
					a4
0:39	10/17	Mate18	5493293		1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. a4 Kh2 6. Rh8+ Kg1
					7. a5 Kf1 8. Rf8+ Kg1 9. a6 Kh2
					10. Rh8+ Kg1 11. a7 Kf1 12. Rf8+
					Kg1 13. a8=Q Kh2 14. Rh8+ Kg1 15.
					a4 Kf1 16. Qf3+
1:17	11/18	Mate18	11119786	1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. a4 Kh2 6. Rh8+ Kg1
					7. a5 Kf1 8. Rf8+ Kg1 9. a6 Kh2
					10. Rh8+ Kg1 11. a7 Kf1 12. Rf8+
					Kg1 13. a8=Q Kh2 14. Rh8+ Kg1 15.
					a4 Kf1 16. Qf3+
2:30	12/19	Mate17	21925858	1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. a4 Kh2 6. Rh8+ Kg1
					7. a5 Kf1 8. Rf8+ Kg1 9. a6 Kh2
					10. Rh8+ Kg1 11. a7 Kf1 12. Rf8+
					Kg1 13. a8=Q Kh2 14. Rh8+ Kg1 15.
					Qe4 Kf2 16. Qe2+
5:04	13/20	Mate17	44114893	1. Ra8 Kh2 2. Rh8+ Kg1 3. Kd2 Kf1
					4. Rf8+ Kg1 5. a4 Kh2 6. Rh8+ Kg1
					7. a5 Kf1 8. Rf8+ Kg1 9. a6 Kh2
					10. Rh8+ Kg1 11. a7 Kf1 12. Rf8+
					Kg1 13. a8=Q Kh2 14. Rh8+ Kg1 15.
					Qe4 Kf2 16. Qe2+
6:32	13/20	Mate16	56349827	1. Ra7 Kh2 2. Rh7+ Kg1 3. Kd2 Kf1
					4. Rf7+ Kg1 5. a4 Kh2 6. Rh7+ Kg1
					7. a5 Kf1 8. Rf7+ Kg1 9. a6 Kh2
					10. Rh7+ Kg1 11. a7 Kf1 12. Rf7+
					Kg1 13. a8=Q Kh2 14. Qh8+ Kg1 15.
					Qa1+ Kh2 16. Rh7#
10:27	14/21	Mate16	92149301	1. Ra7 Kh2 2. Rh7+ Kg1 3. Kd2 Kf1
					4. Rf7+ Kg1 5. a4 Kh2 6. Rh7+ Kg1
					7. a5 Kf1 8. Rf7+ Kg1 9. a6 Kh2
					10. Rh7+ Kg1 11. a7 Kf1 12. Rf7+
					Kg1 13. a8=Q Kh2 14. Qh8+ Kg1 15.
					Qa1+ Kh2 16. Rh7#



Ernst.

• Re: Mate in 16? ..see if your computer will solve it! Carl Cox 17:48:49 02/16/01
  • Re: Mate in 16? ..see if your computer will solve it! Ernst Walet 23:36:56 02/16/01
    • Re: Mate in 16? ..see if your computer will solve it! Carl Cox 07:38:10 02/17/01
      • Re: Mate in 16? ..see if your computer will solve it! Ernst Walet 12:37:48 02/17/01
        • Re: Mate in 16? ..see if your computer will solve it! Ernst Walet 13:11:34 02/17/01
          • Re: Mate in 16? ..see if your computer will solve it! Ernst Walet 13:43:51 02/17/01

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