Author: Robert Hyatt
Date: 15:03:55 10/09/01
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On October 09, 2001 at 13:01:13, Uri Blass wrote: >[D]8/1P6/8/5k2/2K4p/7r/1r4p1/6R1 b - - 0 61 > >This position is from the game Tao-Deep Junior7 in the last WMCCC > >Chest need some hours on p200 to see mate in 10(I used chest by the way that was >explained by paul some days ago > >see http://www.icdchess.com/forums/1/message.shtml?191857 > >Solution:61...Rg3 62.Kd4 h3 63.Kd5 h2 64.b8Q Rxb8 65.Re1 Rd3+ 66.Kc4 h1Q 67.Re5+ >Kxe5 68.Kxd3 Qd1+ 69.Kc3 Rb3+ 70.Kc4 Qc2# > >15961 seconds,292,407,791 nodes > >In the game Deep Junior7 missed the right move(Rg3) but it did not help Tao that >resigned after Rxb7. > >How much time does your program need to see mate in 10 with the full 5 piece >tablebases and without tablebases? > >Uri Crafty sees a mate in 29 instantly with tablebases. It improves to a mate in 28 the next ply (Rc3+ is the move for both mate scores). Rxb7 turns that into a mate in 26. It seems that everything wins here. :)
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