Author: chandler yergin
Date: 06:44:58 11/13/05
Go up one level in this thread
On November 12, 2005 at 18:59:02, John Merlino wrote: >On November 12, 2005 at 16:02:31, George Tsavdaris wrote: > >>On November 12, 2005 at 14:26:55, John Merlino wrote: >> >>>On November 12, 2005 at 12:43:26, George Tsavdaris wrote: >>> >>>> >>>> In this position it played 31.Bxa3 with an advantage for sure but not a clear >>>>position. While after 31.Ng5!! he would have an easy win...... [D]2r1r3/1b1n1pkp/1qnBp1p1/4P1N1/2R1B3/8/p2Q1PPP/3R2K1 w - - 0 1 Analysis by Fritz 5.32: 2.Bxc6! ² (0.28) Depth: 1/7 00:00:00 2.Bxc6 Bxc6 3.Qxa2 ² (0.28) Depth: 2/5 00:00:00 2.Bxc6 Rxc6 3.Qxa2 Rec8 4.Rxc6 Qxc6 = (0.00) Depth: 3/15 00:00:00 4kN 2.Bxc6 Rxc6 3.Qxa2 Ra8 4.Qc2 Rxc4 5.Qxc4 = (0.03) Depth: 4/16 00:00:00 10kN 2.Bxc6 Rxc6 3.Qxa2 Ra8 4.Qc2 Rxc4 5.Qxc4 = (0.03) Depth: 5/23 00:00:00 76kN 2.Bxc6 Rxc6 3.Rh4 h5 4.Qxa2 Ra8 5.Ra4 = (0.13) Depth: 6/23 00:00:00 181kN 2.Bxc6 Rxc6 3.Qxa2 h6 4.Rxc6 Qxc6 5.Nf3 Rd8 6.Qd2 = (0.09) Depth: 7/27 00:00:01 889kN 2.Bxc6 Rxc6 3.Ra4 h6 4.Nxf7 Kxf7 5.Qxh6 Nf6 6.Rxa2 = (0.03) Depth: 8/27 00:00:02 3042kN 2.Bxc6! ² (0.34) Depth: 9/30 00:00:09 16538kN 2.Bxc6 Rxc6 3.Rb4 Qa5 4.Qf4 f5 5.exf6+ ± (0.75) Depth: 9/32 00:00:13 21830kN 2.Bxc6 Bxc6 3.Qf4 Rf8 4.Bxf8+ Rxf8 5.Rc2 h6 6.Rxa2 hxg5 ² (0.56) Depth: 10/33 00:00:28 49598kN 2.Bxc6 Bxc6 3.Qf4 Rf8 4.Bxf8+ Rxf8 5.Rc2 h6 6.Rxa2 hxg5 ² (0.31) Depth: 11/37 00:02:17 235316kN 2.Nxf7! ² (0.34) Depth: 11/38 00:05:26 578322kN 2.Nxf7 Kxf7 3.Bxg6+ hxg6 4.Qh6 Re7 5.Rf4+ Kg8 6.Qxg6+ Rg7 ² (0.41) Depth: 11/39 00:06:24 689894kN 2.Nxf7 Kxf7 3.Bxg6+ hxg6 4.Qh6 Re7 5.Rf4+ Kg8 6.Qxg6+ Rg7 ² (0.41) Depth: 12/39 00:08:33 931642kN 2.Nxf7 Kxf7 3.Bxg6+ hxg6 4.Qh6 Re7 5.Rf4+ Kg8 6.Qxg6+ Rg7 ² (0.66) Depth: 13/42 00:29:55 3313203kN (, 13.11.2005) >>>> >>>>The King will win anyway as it has a Bishop more right now..... >>>> >>>>[D]2r1r3/1b1n1pkp/1qnBp1p1/4P3/2R1B3/p4N2/3Q1PPP/3R2K1 w - - 0 31 >>> >>>Are you sure? >>> >>>31.Ng5 Qa5 32.Bb4 Qd8 33.Nxf7 Kxf7 34.Qxd7+ Qxd7 35.Rxd7+ Kg8 >>> >>>which CM9_R1 evaluates at +1.19 for White after two minutes on a P4-2.4. >> >>31.Ng5 Qa5 32.Bb4 Qd8 as the CM9_R1 suggests, but then 33.Bxc6 Bxc6 34.Qf4! f6 >>(or f5) 35.exf6 Qxf6 36.Qc1! +- >> >>> >>>However, it evaluates 31.Bxa3 as +2.13. Yes, 31.Ng5 probably also wins, but is >>>it a better move (not counting aesthetics)? >>> >>>jm > >Ok, after forcing all the way to 36.Qc1, CM9_R1 evaluates it about 0.5 better >than 31.Bxa3. Fair enough, but not a HUGE difference. :-) > >jm
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