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Subject: Re: crafty problem (Crafty v19.19)

Author: Renze Steenhuisen

Date: 00:04:55 11/08/05

Go up one level in this thread


On November 08, 2005 at 01:21:03, Will Singleton wrote:

>On November 07, 2005 at 17:14:45, Rob Basham wrote:
>
>>[D]6r1/p1pq1p1p/1p1p1Qnk/3PrR2/2n1P1PP/P1P5/4R3/6K1 w - - 0 1
>>
>>Well, it is easy for Fidelity Mach 3.....:-)
>>
>>Mach 3 at level one finds all the correct moves to this mate in 11....!
>>
>>Beginning with....Rh5+
>>
>>How does your machine do on this one...?
>>
>>Rob
>
>Oddly, Crafty 20.0 bh cannot solve this.  Bug?  does it happen in the latest
>crafty?

Can someone elaborate on what the +1, +3, and +M mean? I have no time to look
into it in the source code. Just too lazy ...

Cheers, Renze!
                8->   1.29  -5.31   1. h5 Rxf5 2. exf5 Qd8 3. Qxd8 Rxd8
                                    4. hxg6 fxg6 5. fxg6 Kxg6
                9     2.25     +1   1. h5!!
                9     3.34     +3   1. h5!!
                9     4.81     +M   1. h5!!
                9     9.68   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
                9->  10.74   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               10    13.59   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               10->  15.45   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               11    20.39   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               11->  22.78   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               12    30.26   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               12     1:14     +1   1. Rg5!!
               12     1:18     +3   1. Rg5!!
               12     1:42     +M   1. Rg5!!
               12     2:12   3.96   1. Rg5 Qxg4+ 2. Rxg4 Rge8 3. Rh2 Ne3
                                    4. h5 Nxg4 5. hxg6+ Nxh2 6. gxf7+ Kh5
                                    7. fxe8=Q+ Rxe8 8. Qf7+ Kg4 9. Qd7+
                                    Kg3 10. Qxe8 Nf3+ 11. Kf1
               12->   2:14   3.96   1. Rg5 Qxg4+ 2. Rxg4 Rge8 3. Rh2 Ne3
                                    4. h5 Nxg4 5. hxg6+ Nxh2 6. gxf7+ Kh5
                                    7. fxe8=Q+ Rxe8 8. Qf7+ Kg4 9. Qd7+
                                    Kg3 10. Qxe8 Nf3+ 11. Kf1
               13     2:34   4.15   1. Rg5 Qxg4+ 2. Rxg4 Rge8 3. Rh2 Ne3
                                    4. h5 Nxg4 5. hxg6+ Rh5 6. Rxh5+ Kxh5
                                    7. Qf5+ Kh6 8. gxf7 Rf8 9. Qe6+ Kg7
                                    10. Qxg4+ Kxf7 11. Qd7+ Kg6 12. Qxc7
               13     2:37     +1   1. Rh5+!!
               13     2:41     +3   1. Rh5+!!
               13     2:45     +M   1. Rh5+!!
               13     4:38  Mat11   1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
                                    Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
                                    Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
                                    Ke5 10. Re2+ Ne3 11. Rxe3#
               13->   4:40  Mat11   1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
                                    Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
                                    Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
                                    Ke5 10. Re2+ Ne3 11. Rxe3#



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