Author: Terry Ripple
Date: 00:31:34 09/03/02
Go up one level in this thread
On September 03, 2002 at 03:27:49, Uri Blass wrote: >On September 03, 2002 at 03:11:13, Terry Ripple wrote: > >>On September 03, 2002 at 02:13:32, Uri Blass wrote: >> >>>On September 02, 2002 at 19:43:39, Terry Ripple wrote: >>> >>>>On September 02, 2002 at 14:13:18, Roy Eassa wrote: >>>> >>>>>On September 02, 2002 at 14:07:18, Terry Ripple wrote: >>>>> >>>>>>On September 02, 2002 at 13:12:39, Roy Eassa wrote: >>>>>> >>>>>>>On September 02, 2002 at 00:56:19, Jouni Uski wrote: >>>>>>> >>>>>>>>[D]r2q1r1k/p2bb3/1pn1p1Q1/4P3/2pP4/2P5/P4PPP/1RB2RK1 w - - 0 19 >>>>>>>> >>>>>>>>best move is Re1!!, which Brutus played in tournament level >>>>>>>>(Qh5+ seems to lead to draw) >>>>>>>>in my AMD 450 Mhz no program finds Re1 in 1 hour (Goliath 3.6 took 61 min) >>>>>>>> >>>>>>>>Jouni >>>>>>> >>>>>>> >>>>>>>I'm pretty sure Fritz 7 wouldn't find it in under an hour. >>>>>>> >>>>>>>Here's a quick analysis: >>>>>>> >>>>>>> >>>>>>>1.Re1! >>>>>>> >>>>>>> [or 1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ Rxg8 6.f4 +-] >>>>>>> >>>>>>>1...Be8 2.Qh6+ Kg8 3.Re3 Nxe5 >>>>>>> >>>>>>> [3...Bh4 4.Re4 Bxf2+ 5.Kh1 Nxe5 6.Rxe5 Bxd4 7.Rg5+ Qxg5 8.Bxg5 Bg7 >>>>>>> 9.Qxe6+ Bf7 10.Qg4 +-] >>>>>>> >>>>>>>4.Qxe6+ Rf7 5.Rg3+ Kh8 6.Bf4 Nf3+ 7.gxf3 Bf6 8.Be5 +- >>>>>>---------------------------------- >>>>>>I'am only using an AMD 266 Mhz with 64 Ram! I let Fritz run for almost 4 hours >>>>>>which should simulate a faster (1,000 Mhz) processor running around 1 hour. >>>>>> >>>>>>Fritz 7 didn't find "Re1", but the line it uses wins back a Rook and the passed >>>>>>pawns on the Kingside look dangerous for Black in the ending if played correctly >>>>>> >>>>>>Regards, >>>>>> Terry >>>>>> >>>>>> New position >>>>>>r2q1r1k/p2bb3/1pn1p1Q1/4P3/2pP4/2P5/P4PPP/1RB2RK1 w - - 0 1 >>>>>> >>>>>>Analysis by Fritz 7: >>>>>> >>>>>>1.Qh5+ >>>>>> ± (1.38) depth: 7/24 00:00:00 31kN >>>>>>1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8 >>>>>> +- (1.41) depth: 8/19 00:00:00 60kN >>>>>>1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8 6.dxe5 Qxf8 >>>>>> +- (1.41) depth: 9/23 00:00:01 140kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qh5 Be8 6.Qh3 Bg6 >>>>>> +- (1.41) depth: 10/23 00:00:03 341kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8 7.f4 >>>>>> ± (1.16) depth: 11/27 00:00:09 1053kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8 >>>>>> ± (1.16) depth: 12/33 00:00:33 3846kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qh7 6.Be3 >>>>>> ± (1.10) depth: 13/36 00:03:49 25279kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>>>> ± (1.10) depth: 14/36 00:08:29 57986kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>>>> ± (1.07) depth: 15/39 00:23:03 161173kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>>>> ± (1.04) depth: 16/43 01:22:05 574067kN >>>>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>>>> ± (0.97) depth: 17/45 03:41:49 1573278kN >>>>> >>>>> >>>>>The line you give is identical to the line I showed in the first variation. It >>>>>is a perfectly good line and should also win the game. Too bad this position >>>>>didn't have just a single winning line. >>>>------------------------------------------- >>>>Searching for over 12 hours Fritz 7 still says that Qh5+ is a good move and i >>>>also believe that it's a good move! >>>> >>>>Regards, >>>> Terry >>>> >>>>New position >>>>r2q1r1k/p2bb3/1pn1p1Q1/4P3/2pP4/2P5/P4PPP/1RB2RK1 w - - 0 1 >>>> >>>>Analysis by Fritz 7: >>>> >>>>1.Qh5+ >>>> ± (1.38) depth: 7/24 00:00:00 31kN >>>>1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8 >>>> +- (1.41) depth: 8/19 00:00:00 60kN >>>>1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8 6.dxe5 Qxf8 >>>> +- (1.41) depth: 9/23 00:00:01 140kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qh5 Be8 6.Qh3 Bg6 >>>> +- (1.41) depth: 10/23 00:00:03 341kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8 7.f4 >>>> ± (1.16) depth: 11/27 00:00:09 1053kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8 >>>> ± (1.16) depth: 12/33 00:00:33 3846kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qh7 6.Be3 >>>> ± (1.10) depth: 13/36 00:03:49 25279kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>> ± (1.10) depth: 14/36 00:08:29 57986kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>> ± (1.07) depth: 15/39 00:23:03 161173kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>> ± (1.04) depth: 16/43 01:22:05 574067kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>> ± (0.97) depth: 17/45 03:41:49 1573278kN >>>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ >>>> ± (0.97) depth: 18/49 12:38:51 5448205kN >>> >>>No >>> >>>Fritz does not believe that Qh5+ is a good move. >>> >>>1.41/10 >>>1.16/11 >>>1.16/12 >>>1.10/13 >>>1.10/14 >>>1.07/15 >>>1.04/16 >>>0.97/17 >>>0.97/18 >>> >>>You see that the score is always goes down. >>> >>>0.97 does not mean winning and is often a draw. >>> >>>I doubt if Qh5+ is winning. >>> >>>Uri >>----------------- >>Hi Uri, >>This move certainly has equal chances if not a slight plus for White due to the >>passed pawns on the kingside! >> >>I would take White over the Black side any time! >> >>Regards, >> Terry > >Slight plus means that I doubt if it wins when there seem to be no doubt that >Re1 is winning. > >Uri -------------- Yes, this is very true about the move Re1 winning! Terry
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