Author: Ricardo Gibert
Date: 13:21:51 05/02/04
Go up one level in this thread
On May 02, 2004 at 04:27:34, Vincent Lejeune wrote: >On May 02, 2004 at 00:52:42, Ricardo Gibert wrote: > >>On May 01, 2004 at 03:01:05, Vincent Lejeune wrote: >> >>[...] >> >>>>> >>>>>and ? what's the point of 2. Qc4 ? >>>>>Shredder 8 doesn't see more than a draw , after 2...Qf5+ >>>> >>>>Let it search deeper... >>> >> >>[...] >> >>White wins with 3.Kg2 Qc8 4.Qd5 followed by 5.Qd7, then White will elude the >>checks by moving his King forward. This will work, because eventually the Black >>a-pawn will help White elude the checks. Too deep for any prog. Easy for strong >>humans. > >Are you strong ? did you validate this line with a strong program ? > >The more I can see with your line is a draw ... >I think 3.Kg2 is weak because it doesn't resolve the black threat a4-a3-a2-a1 >ex : >1. Kg2 Qc8 2. Qd5 a4 3. Qd7 Qa6 4. Qe8+ Kh7 5. Qe4+ Kh8 6. c7 Qc8 7. Qe7 Kh7 8. >Qd8 Qb7+ 9. Kh2 Qb2+ 10. Kh3 Qb7 11. c8=Q Qh1+ 12. Kg4 Qe4+ 13. Kh3 Qh1+ 14. >Kg4 Qe4+ 15. Kh3 Qh1+ 1/2-1/2 Okay, the idea with pushing the a-pawn quickly is good. I'm overestimating Whites position. White does better with 3.Kg2 Qc8 4.g4 (or 4.Qe4 Kg8) a4 5.Qxa4 Qe6, but I can't make them work for White. > >I let shredder 8 think for 6h30 after Qf5+, in 4-best moves mode >[d]7k/6p1/2P4p/p4q2/2Q5/6P1/5K2/8 w - - 0 1 >Analysis by Shredder 8: >(R=roi=king, D=dame=queen) >1. ± (1.20): 1.Re1 De5+ 2.Rd2 Dc7 3.Rc2 3.g4 looks stronger here. >Rh7 4.De4+ g6 5.De8 Dxg3 6.Df7+ Rh8 7.c7 >Dh2+ 8.Rb3 a4+ 9.Rxa4 Dc2+ 10.Rb5 Db2+ 11.Ra6 Da3+ 12.Rb7 Db4+ 13.Rc8 >2. ± (1.17): 1.Re3 Dg5+ 2.Rd4 Dg4+ 3.Rc5 Dxg3 4.Df7 De3+ 5.Rb5 Dd3+ 6.Dc4 Db1+ >7.Ra6 Dg6 8.Rb7 Db1+ 9.Ra7 Dg1+ 10.Ra8 g6 11.c7 Dg4 12.Dxg4 a4 >3. ± (0.92): 1.Re2 Dc8 2.c7 a4 3.Rd2 a3 4.Rc3 a2 5.Rb2 Db7+ 6.Rxa2 Da7+ 7.Rb3 >Db6+ 8.Ra2 Da5+ 9.Rb1 Db6+ 10.Rc2 Df2+ 11.Rc1 Dg1+ 12.Rd2 Df2+ 13.Rc3 De3+ >14.Dd3 De5+ 15.Rb3 >4. ² (0.34): 1.Rg2 a4 2.g4 Dc8 3.Dxa4 De6 4.Rf2 > >I digged into the Ke1 line and the score drop after some moves (again) >If someone have a fast quad computer with 10 GB of memory, he's welcome to let >analyse for some hours ! ;)
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