Author: Uri Blass
Date: 15:01:03 05/26/04
Go up one level in this thread
On May 26, 2004 at 17:56:07, Kim Roper Jensen wrote: >On May 26, 2004 at 17:19:39, Uri Blass wrote: > >>On May 26, 2004 at 16:57:01, Kim Roper Jensen wrote: >> >>>On May 26, 2004 at 16:53:17, John Merlino wrote: >>> >>>>On May 26, 2004 at 16:36:48, Kim Roper Jensen wrote: >>>> >>>>> >>>>>[D] 8/5p1k/3p1bpp/2pP4/2P5/5NP1/r4PP1/2R3K1 w - - 0 1 >>>>> >>>>>Uhlmann - Geller Palma de Mallorca 1970 >>>>> >>>>>From Positional Chess Handbook by Israel Gelfer, chapter regarding choosing a >>>>>endgame >>>>> >>>>>White to move - Best move g4!, to counter blacks h5 and g5 that gives a more >>>>>active position to black with plans of Kg6-f5 >>>>> >>>>>Start the engines ! :) >>>> >>>>Here's what CM_SKR on an AMD 2500 says: >>>> >>>>Time Depth Score Positions Moves >>>>0:00 1/3 -0.36 728 1.Re1 Rc2 2.Re4 Kg7 >>>>0:00 1/3 -0.34 1400 1.Rd1 Rc2 2.Nd2 Bc3 >>>>0:00 1/4 -0.24 2167 1.Rd1 Kg7 2.Nd2 Bc3 3.Ne4 >>>>0:00 1/5 -0.27 6788 1.Rd1 Kg7 2.Nd2 Rc2 3.Ne4 Be5 >>>>0:00 1/6 -0.27 16607 1.Rd1 Kg7 2.Nd2 Be5 3.Kf1 Bc3 4.Ne4 >>>>0:00 1/7 -0.30 42903 1.Rd1 Kg7 2.Kf1 Rc2 3.Nd2 Bc3 4.Ne4 >>>> Be5 >>>>0:00 1/7 -0.10 61600 1.Rb1 Rc2 2.Rb6 Rxc4 3.Rxd6 Bd4 >>>> 4.Rd7 Rc1+ 5.Kh2 Bxf2 6.Rxf7+ Kg8 >>>>0:00 1/8 -0.10 84476 1.Rb1 Rc2 2.Rb6 Rxc4 3.Rxd6 Rc1+ >>>> 4.Kh2 Bd4 5.Rd7 Bxf2 6.Rxf7+ Kg8 >>>>0:00 1/9 -0.12 172396 1.Rb1 Bb2 2.g4 Kg7 3.g5 h5 4.Kh2 >>>> Bd4 5.Rb6 >>>>0:01 1/10 -0.62 331615 1.Rb1 Rc2 2.Rb7 Kg7 3.Rd7 Rxc4 >>>> 4.Kf1 Rc1+ 5.Ke2 Rc2+ 6.Kf1 c4 >>>> 7.Rxd6 >>>>0:01 1/10 -0.30 470025 1.Rd1 Rc2 2.Nd2 Be5 3.Kf1 f5 4.Ke2 >>>> Bd4 5.Kd3 Ra2 >>>>0:02 1/10 -0.25 652847 1.Ne1 Kg7 2.Kf1 Bd4 3.Rc2 Ra4 4.Nf3 >>>> Ra1+ 5.Ke2 f5 6.Kd3 Rd1+ 7.Ke2 >>>>0:02 2/11 -0.30 945337 1.Ne1 Bd4 2.Rc2 Ra1 3.Kf1 g5 4.Ke2 >>>> f5 5.Nf3 g4 6.Nxd4 cxd4 >>>>0:04 3/12 -0.27 1653024 1.Ne1 Bd4 2.Rc2 Ra1 3.Kf1 Kg7 4.Ke2 >>>> f5 5.Nf3 Bf6 6.Kd3 Ra3+ 7.Ke2 Rb3 >>>>0:12 4/13 -0.28 4086711 1.Ne1 g5 2.Rc2 Ra1 3.Kf1 h5 4.Ke2 >>>> Kg6 5.Nf3 g4 6.Nh4+ Kg5 7.f4+ gxf3ep+ >>>> 8.gxf3 Rg1 9.f4+ Kg4 >>>>0:22 5/14 -0.25 7929805 1.Ne1 g5 2.Rc2 Ra1 3.Kf1 h5 4.Ke2 >>>> Kg6 5.Nf3 g4 6.Ne1 Bd4 7.Nd3 Kf5 >>>>0:58 6/15 -0.37 19918333 1.Ne1 h5 2.Rc2 Ra1 3.Kf1 g5 4.Ke2 >>>> Kg6 5.Nf3 Kf5 6.Ne1 Bg7 7.Nd3 Bd4 >>>> 8.Kf3 Ra3 >>>>1:48 6/15 -0.27 36810122 1.Kf1 Kg7 2.Ne1 h5 3.Rc2 Ra1 4.Ke2 >>>> Ra3 5.Nf3 g5 6.Ne1 Ra1 7.Nd3 Bd4 >>>> 8.Kf3 Ra3 >>>>4:02 7/16 -0.28 82885868 1.Kf1 Kg7 2.Ne1 h5 3.Rc2 Ra1 4.Ke2 >>>> g5 5.f4 Kg6 6.Nf3 Kf5 7.fxg5 Bxg5 >>>> 8.Rb2 Bf6 9.Rb7 Ra2+ 10.Nd2 >>>> >>>>jm >>> >>> >>>Israel Gelfer gives Kf1 a ?, with the reply h5! followed by g5 where black have >>>a more active position >> >>How can black get the advantage after a line like 1.Kf1 h5 2.Rb1 g5 3.Rb6? >> >>Uri > > >I will not blindly play g5, i think i would play something like this 1.Kf1 h5 >2.Rb1 Ra6 and now i play g5 and Kg6, maybe Kg7 and then Kg6 if white plays Rb7. > >I will look at this position some more, maybe there are some ressources with >Rb7-d7 After a line like 1.Kf1 h5 2.Rb1 Ra6 3.Rb7 Kg7 4.Nd2 I see nothing convincing for black. Uri
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