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Subject: Re: How many program can select 37.f5xg6! this move after 2 seconds?

Author: Robert Hyatt

Date: 20:48:04 01/21/04

Go up one level in this thread


On January 21, 2004 at 19:36:36, Jorge Pichard wrote:

>At move 37 CM for PS2 made a tremendous move 37.f5xg6! how many programs would
>have chosen this move using a processor lower than 300 MHz at 10 seconds per
>move. The amazing move was chosen by CM for PS2 after only 2 seconds!

I suspect many will find this instantly.  Takes crafty .23 seconds on a pretty
slow box...

Crafty on a PIII/750mhz laptop:

                5     0.14     --   1. Qf1
                5     0.16   1.35   1. Qf1 Qe5 2. Rd8+ Bf8 3. Rf4 Qxb5
                                    4. Qxb5 Rxb5
                5     0.23   1.60   1. fxg6 Rxe2 2. gxf7+ Kg7 3. Rg1+ Rg2
                                    4. Kxg2
                5->   0.25   1.60   1. fxg6 Rxe2 2. gxf7+ Kg7 3. Rg1+ Rg2
                                    4. Kxg2
                6     0.35   1.53   1. fxg6 hxg6 2. Qf1 Qc2 3. Rd8+ Bf8
                                    4. Rh3 Ra2
                6->   0.42   1.53   1. fxg6 hxg6 2. Qf1 Qc2 3. Rd8+ Bf8
                                    4. Rh3 Ra2
                7     0.62   1.35   1. fxg6 hxg6 2. Qf1 Qc2 3. Rd8+ Bf8
                                    4. Rxf8+ Kxf8 5. Rxf7+ Ke8 6. h4
                7->   0.92   1.35   1. fxg6 hxg6 2. Qf1 Qc2 3. Rd8+ Bf8
                                    4. Rxf8+ Kxf8 5. Rxf7+ Ke8 6. h4
                8     1.50   1.28   1. fxg6 hxg6 2. Rd8+ Bf8 3. Rxf7 Kxf7
                                    4. Qf3+ Ke6 5. Re8+ Be7 6. Qe4+ Kf6
                                    7. Qxe7+ Kf5 8. Qe6+ Kg5 9. Qxb6
                8->   2.10   1.28   1. fxg6 hxg6 2. Rd8+ Bf8 3. Rxf7 Kxf7
                                    4. Qf3+ Ke6 5. Re8+ Be7 6. Qe4+ Kf6
                                    7. Qxe7+ Kf5 8. Qe6+ Kg5 9. Qxb6
                9     3.73   1.48   1. fxg6 hxg6 2. Rd8+ Kg7 3. Qf1 Qb3
                                    4. h4 Qe6 5. Qa1 Qb3 6. Rd7



>
>Here was the position at which CM PS2 made the amazing move leaving its queen
>free to be taken.
>
>[D]6k1/5p1p/1p4p1/1Pb2P2/8/2q1PR2/1r2Q2P/3R3K w - - 3 37



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