Author: leonid
Date: 10:49:47 11/04/01
Go up one level in this thread
On November 04, 2001 at 11:43:10, Paul wrote: >On November 04, 2001 at 10:45:12, leonid wrote: > >>On November 04, 2001 at 08:59:37, Paul wrote: >> >>>On November 04, 2001 at 07:54:58, leonid wrote: >>> >>>>Hello! >>> >>>Hi ... Pretz's first thoughts on a p3/1000 ... >>> >>>>This one is easy: >>>> >>>>[D]Q7/3qq3/2qQqk2/1nQRNqq1/nBKRRNq1/PrbBQq2/1PrPq3/2Bb4 w - - >>> >>>00:05 WM9 07 Qh8+ Qgg7 Nxd7+ Qcxd7 Nh5+ Qfxh5 Rxe6+ Qgxe6 Qef4+ Qxf4 Rxf4+ Qf5 >>>Rxf5+ Kg6 Qg1+ Qg5 Qxg5# >>> >>>>But if you want to solve something that is not difficult, almost the same but >>>>demand more thinking, then try this: >>>> >>>>[D]Q7/3qq3/2qNqk2/1nNRNqq1/nPKPRNq1/PrbBQq2/1PrQq3/2Bb4 w - - >>> >>>00:35 WM13 09 Qh8+ Qeg7 Nxd7+ Qexd7 Nh5+ Q5xh5 Rxf5+ Qfxf5 Qeh6+ Qhg6 Q6xg7+ >>>Qgxg7 Qdh6+ Qfg6 Rf4+ Qxf4 Qxg6+ Ke7 Qgxg7+ Qf7+ Qxf7+ Kxd6 Qf4+ Ke7 Qhf8# >>> >>>Not sure of course whether these are the shortest possible mates ... >>> >>>>Please indicate your result. >> >>Hi, Paul! >> >>Now you reached me for sure. On first and second position, your time is better >>that mine. First took 9 second for selective search 9 moves deep, and second 62 >>sec for selective in 13 moves. Both solutions are the shortest possible. I >>solved both by brute force. Branching factor is very mild for both of them. >> >>Cheers, >>Leonid. > >This is just a coincidence, my friend ... you happened to pick positions that >are a bit harder for your program. Remember, you are in control! ;) > >It's kind of funny because I used my old & trusty "Leonid settings" and didn't >try my new ones that are still not reliable enough. The second position is quite >a bit faster with the new settings: 22 seconds. Haha! Good advance that put me at real rush. Exactly today started writing some code that, presumably, could slightly speed my mate search. At least around 10% of moves look like be responsive. I hope to finalize writing before the end of next week. Was lucky to meet new competition to make me wake up. Cheers to Champion! Leonid. >See ya, >Paul
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