Author: Paul
Date: 12:37:29 01/25/01
Go up one level in this thread
On January 25, 2001 at 15:24:40, Heiner Marxen wrote: >On January 25, 2001 at 11:13:10, leonid wrote: > >>On January 25, 2001 at 10:57:06, José Antônio Fabiano Mendes wrote: >> >>>On January 25, 2001 at 09:57:29, leonid wrote: >>> >>>>Hi! >>>> >>>>If you like to solve some average mate position... >>>> >>>>[D]R1brkrnR/1N1qqqbN/3qqq1B/1B1bQNbQ/1bn1Q2B/3Q1Q2/3Q1Q2/1K6 w - - >>>> >>>>Please indicate your result. >>>> >>>>If you can depose here just one forced mate position from some world chess >>>>championship, it will be nice. Indicate exactly where this competition happened. >>>>I speak about championship where human found forced mate. Never mind if this >>>>championship was between two humans or man and machine. It could give an >>>>opportinity to see which program is best in real life situation. Even more that >>>>this, it will permit to tune selective search for forced mate to make it more >>>>effective. >>>> >>>>Thanks, >>>>Leonid. >>> >>> As written the second row [1N1qqqb] accounts for only 7 squares, >>> that's why the diagram is not displayed. JAFM >> >>Thanks for indicating mistake! I hope that now it will come in graphics. At list >>this time I will look if it is really there. >> >>Leonid. > >According to Chest there is no mate in 8 moves (41.6 min, K7/600 350MB hash). >What depth is expected for a solution? > >Ahem, what exactly is so "average" about this position? > >Heiner Hi Heiner! I found a mate in 10 sofar: 1. Nxf6+ B7xf6 2. Nbxd6+ Bxd6 3. Qxf7+ Q7xf7 4. Qxe6+ Bxe6 5. Ng7+ Bxg7 6. Qxf7+ Rxf7 7. Qxe6+ Kf8 8. Bxg7+ Kxg7 9. Qh7+ Kf8 10. Rxg8x Can run it again to check if there is a mate in 9 ... Paul
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