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Subject: Re: Another Test Position II: Bogoljubow-Mieses, Baden-Baden 1925, Bxd5!

Author: Pete Galati

Date: 15:36:00 02/05/01

Go up one level in this thread


On February 05, 2001 at 17:51:22, Howard Exner wrote:

>On February 05, 2001 at 16:55:28, Ed Schröder wrote:
>
>>When I look at the main-line I am not sure I get Rebel's point
>>of view too. Is it winning?
>
>This is Aturo's main line. Set the position after 5 moves to start
>a new analysis. Black's moves to this point are forced (except Qg4
>but the only other choice of Qg6 looks worse).
>
>00:16:30 15.00  0.72   1.Bxd5 exd5 2.Rxg7 Kxg7 3.Qf6 Kg8
>                       4.Rg1 Qg4 5.Rxg4 fxg4 6.e6 Bc6 7.Qf7
>                       Kh8 8.e7 d4 9.Kg1 Rdc8 10.exd4 Rab8  (548)
>
>
>[D]r2r2k1/p2b3p/5Q2/1p1pP3/5Pp1/2P1P3/P4P1P/7K w - -
>
>How do programs play this out now?

I didn't let TCB look at it very long, it wants to advance the e pawn, and in
the last pv it decided that Black would capture it with Blk's Bishop.  Black's a
bit ahead on pieces, but Wht has loads of extra pawns.

Pete

xboard : edit
00:00:00,00 OnPositionSet : r2r2k1/p2b3p/5Q2/1p1pP3/5Pp1/2P1P3/P4P1P/7K w - - 0
1
xboard : analyze
00:00:00,00 OnGearShift : Infinite
Time limits = 1.p0 : Short = 00:00:10,50; Average = 00:00:21,00; Long =
00:01:24,00; Limit = 00:11:15,00;
00:00:00,06 InfoDepth : 1
00:00:00,06 InfoPV : nodes = 5 eval = -578 1. Qxd8+
00:00:00,06 InfoPV : nodes = 6 eval = -344 1. Kg2
00:00:00,06 InfoPV : nodes = 8 eval = -174 1. Kg2
00:00:00,06 InfoDepth : 2
00:00:00,06 InfoPV : nodes = 101 eval = -177 1. Kg2 Rdc8
00:00:00,06 InfoPV : nodes = 183 eval = -84 1. Qg5+
00:00:00,06 InfoPV : nodes = 287 eval = -84 1. Qg5+ Kf7 2. Qf6+
00:00:00,06 InfoDepth : 3
00:00:00,06 InfoPV : nodes = 850 eval = 0 1. Qg5+ Kf7 2. Qf6+ Ke8 3. Qh8+
00:00:00,06 InfoDepth : 4
00:00:00,06 InfoPV : nodes = 2562 eval = 0 1. Qg5+ Kf7 2. Qf6+ Kg8
00:00:00,06 InfoDepth : 5
00:00:00,06 InfoPV : nodes = 6346 eval = 0 1. Qg5+ Kf7 2. Qf6+ Kg8
00:00:00,06 InfoDepth : 6
00:00:00,11 InfoPV : nodes = 17006 eval = 0 1. Qg5+ Kf7 2. Qf6+ Kg8
00:00:00,11 InfoDepth : 7
00:00:00,17 InfoPV : nodes = 43271 eval = 0 1. Qg5+ Kf7 2. Qf6+ Kg8
00:00:00,22 InfoDepth : 8
00:00:00,33 InfoPV : nodes = 105962 eval = 0 1. Qg5+ Kf7 2. Qf6+ Kg8
00:00:00,44 InfoDepth : 9
00:00:00,94 InfoPV : nodes = 371133 eval = 0 1. Qg5+ Kf7 2. Qf6+ Kg8
00:00:01,32 InfoPV : nodes = 524288 eval = 1 1. e6
00:00:01,60 InfoPV : nodes = 646094 eval = 17 1. e6 Bc6 2. Qf7+ Kh8 3. e7 d4+ 4.
Kg1 Rdc8 5. cxd4 Bf3 6. d5
00:00:01,65 InfoDepth : 10
00:00:02,42 InfoPV : nodes = 979804 eval = 29 1. e6 Bc6 2. Qf7+ Kh8 3. e7 d4+ 4.
Kg1 Rdc8 5. Qf6+ Kg8 6. Qe6+ Kg7 7. Qxg4+ Kf7 8. Qf5+
00:00:03,79 InfoDepth : 11
00:00:05,50 InfoPV : nodes = 2323726 eval = 29 1. e6 Bc6 2. Qf7+ Kh8 3. e7 d4+
4. Kg1 Rdc8 5. Qf6+ Kg8 6. Qe6+ Kg7 7. Qxg4+ Kf7 8. Qf5+ Kxe7 9. Qxh7+
00:00:08,19 InfoDepth : 12
00:00:15,55 InfoPV : nodes = 6491493 eval = 22 1. e6 Bc6 2. Qf7+ Kh8 3. e7 d4+
4. Kg1 Rdc8 5. e8=Q+ Rxe8 6. Qf6+ Kg8 7. Qxc6 dxe3 8. fxe3 Kf7 9. e4
00:00:51,63 InfoDepth : 13
00:01:20,41 InfoPV : nodes = 31732211 eval = 26 1. e6 Bc6 2. Qf7+ Kh8 3. e7 d4+
4. Kg1 Rdc8 5. e8=Q+ Rxe8 6. Qf6+ Kg8 7. Qxc6 dxe3 8. fxe3 Kg7 9. e4 Rac8
00:05:02,64 InfoDepth : 14
00:05:55,10 InfoPV : nodes = 137177098 eval = 33 1. e6 Bc6 2. Qf7+ Kh8 3. e7 d4+
4. Kg1 Rdc8 5. e8=Q+ Rxe8 6. Qf6+ Kg8 7. Qxc6 dxc3 8. Qxc3 a6 9. Qf6 Ra7 10. Kg2
00:08:51,52 InfoDepth : 15
00:27:48,26 InfoPV : nodes = 678678893 eval = 148 1. e6 Bxe6 2. Qxe6+ Kh8 3. Qa6
Rd7 4. Qxb5 Rad8 5. Kg2 Rc7 6. Qa6 Rdc8
00:28:18,14 InfoDepth : 16
xboard : exit
00:29:38,00 OnGearShift : Neutral
xboard : force
xboard : quit
00:29:38,00 OnGearShift : Stopped





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