Author: Sune Fischer
Date: 03:24:15 01/04/03
Go up one level in this thread
On January 04, 2003 at 06:01:45, Kurt Utzinger wrote: >Hi Sune >This position is an easy win for white who threatens 1.Qc8 +- and against this >deadly threat black's only move is 1...Qa8+ but it does not help as can be seen >from the following analysis of Shredder7 and Fritz8005 on P4 1.8/32 MB hash Hi, No I don't think it is that simple, black can do some damage before the pawn promotes. Most programs can find Qc8 with a +9 score if there is no other tactics, even mine :) >Utzinger,K - Shredder 7 >3q4/3P2kp/5p2/p7/1p1R2P1/8/2Q2PK1/4r3 b - - 0 1 > >Analysis by Shredder 7: >1...Qa8+ 2.f3 Qd8 3.Kf2 b3 4.Qc3 Re5 5.Qc8 Qe7 6.d8B Qe6 > +- (5.89) Depth: 10/35 00:00:40 10657kN > +- (4.39) Depth: 12/39 00:03:19 54725kN > >(Utzinger, MyTown 04.01.2003) >************************************************************************************ >Utzinger,K - Fritz 8 >3q4/3P2kp/5p2/p7/1p1R2P1/8/2Q2PK1/4r3 b - - 0 1 > >Analysis by Fritz 8: >1...Qa8+-- > +- (4.37) Depth: 9/35 00:00:03 2570kN > +- (3.22) Depth: 14/45 00:01:54 82279kN > >(Utzinger, MyTown 04.01.2003) Interesting that the score drops going even deeper. Crafty takes a long time here: 12 197 20426 104027337 1. ... Qa8+ 2. f3 Qd8 3. Rd2 Kf8 4. Qxh7 Re5 5. Rd6 Rg5 6. Qh8+ Rg8 7. Qxf6+ Qxf6 8. Rxf6+ Ke7 13 345 59922 328433020 1. ... Qa8+ 2. f3 Qd8 3. Rd2 Qb6 4. d8=Q Re2+ 5. Rxe2 Qxd8 6. Rd2 Qe7 7. Qf5 Qe5 8. Rd7+ Kh6 9. Rxh7# S. >Kurt > >Homepage "Kurt & Rolf Chess": http://www.beepworld.de/members39/utzinger
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