Author: Pete R.
Date: 10:30:05 07/27/00
Go up one level in this thread
On July 27, 2000 at 12:20:44, Côme wrote: >On July 27, 2000 at 12:15:15, Pete R. wrote: > >>On July 27, 2000 at 01:22:58, Mogens Larsen wrote: >> >>>On July 26, 2000 at 19:59:43, Pete R. wrote: >>> >>>>On July 26, 2000 at 14:08:22, Côme wrote: >>>> >>>>> >>>>>Hello there are 12 new interesting positions for chess programs !! >>>>> >>>>>r1b2rk1/p6p/1p4q1/2pP1p2/2Q2B1p/5RbP/P1B3P1/1R4K1 w - - bm Rxg3!; >>>> >>>>It would be much better to have PVs along with the best moves for position >>>>analysis. For example I don't see why Rxg3 is any better than Bxg3. Neither >>>>does Fritz, but I will let it run tonight. >>> >>>Just make the PVs yourself by pursuing each variation separately, that is going >>>with the moves Fritz selects after something like 5-10 minutes. I tried to do >>>that for a while with Yace and after Rxg3 hxg3 Rb3 Qf6 Rxg3+ Kf7 things are >>>beginning to look brighter for white. It would be interesting to pursue the Bxg3 >>>hxg3 line as well. Some lines may be too deep for direct calculation. >>> >>>Best wishes... >>>Mogens >> >>I normally do, and in this case I found nothing dramatic to show that Rxg3 >>deserves a !. That's why these things should come with a PV, to save everyone >>from the work! I let Fritz 6a run overnight on this and it still sees nothing >>special: >> >> = (0.03) Depth: 7/20 00:00:00 163kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Rd1 Re8 5.Rf3 Re2 >> = (0.09) Depth: 8/21 00:00:01 271kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Rd1 Re8 5.d6 Bd7 >> = (0.16) Depth: 9/24 00:00:02 616kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Rd1 Re8 5.d6 Bd7 >> = (0.06) Depth: 10/27 00:00:06 1778kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Rd1 Re8 5.d6 Bd7 >> = (0.00) Depth: 11/32 00:00:22 6811kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Rd1 Bd7 5.Rf3 Rae8 >> = (0.00) Depth: 12/31 00:00:58 17998kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Re3 Bb7 5.Rd1 Rad8 >> = (0.00) Depth: 13/34 00:02:59 55827kN >>1.Bxg3 hxg3 2.Qf4 Qf6 3.Rxg3+ Kh8 4.Re3 Bb7 5.Rd1 Rad8 >> = (-0.06) Depth: 14/35 00:08:38 156357kN >>1.Rd1 >> = (-0.03) Depth: 14/36 00:10:13 185071kN >>1.Rd1 Bxf4 2.Qxf4 Bd7 3.Qxh4 Kh8 4.Rf2 Qd6 5.Qf4 Qxf4 >> = (0.00) Depth: 15/38 00:24:18 447580kN >>1.Bxg3 >> = (-0.12) Depth: 15/38 00:25:11 464741kN >>1.Bxg3 hxg3 2.Re1 Qf6 3.Rxg3+ Kh8 4.Rge3 Bd7 5.Qf4 Rae8 >> = (-0.03) Depth: 15/47 00:47:34 901681kN >>1.Bxg3 hxg3 2.Re1 Qf6 3.Rxg3+ Kh8 4.Rge3 Bd7 5.Qf4 Rg8 >> = (0.00) Depth: 16/39 01:18:33 1503741kN >>1.Bxg3 hxg3 2.Re1 Qf6 3.Rxg3+ Kh8 4.Rge3 Bd7 5.Qf4 Rf7 >> = (-0.06) Depth: 17/42 02:39:20 3082384kN >>1.Bxg3 hxg3 2.Re1 Qf6 3.Rxg3+ Kh8 4.Rge3 Bd7 5.Qf4 Rf7 >> = (-0.12) Depth: 18/45 08:48:26 10269212kN > >Hello ! >It simply mean than Fritz6a is not able to find Rxg3! :-) >Best Regards >Alexandre Côme Yes, or it means that this position is worthless as a test because no one can prove that Rxg3 is best. :) If you can post a line that shows Rxg3 is clearly better that will end the discussion, which is why it would be nice to have this information in the first place!
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