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Marc MP
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 Post subject: Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 Posted: Tue May 22, 2007 3:08 pm |
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| PauloSoare wrote: |
| Marc MP wrote: |
[D]r2q1rk1/pb2bp1R/1p4p1/3pP1P1/2p2P2/3BP3/PP1N2P1/R2QK3 b Q -
Black must be careful here to avoid a severe punishment. Can your favorite engine take up the challenge? |
Interesting position, Marc.
Loop 13.6 1 core
Athlon 2 cores 3800+ HT=1Gb
New game
r2q1rk1/pb2bp1R/1p4p1/3pP1P1/2p2P2/3BP3/PP1N2P1/R2QK3 b Q - 0 1
Analysis by Loop 13.6 1 core:
1...cxd3 2.Rh1 Rc8 3.Qb3 d4 4.e4 Rc2
-+ (-3.39) Depth: 6 00:00:00 49kN
1...cxd3 2.Rh3 Qd7 3.Kf2 d4 4.e4 Qb5 5.Rc1
-+ (-3.40) Depth: 7 00:00:00 144kN
1...cxd3 2.Rh3 Qd7 3.Kf2 d4 4.e4 Qb5 5.Qb1 Rac8
-+ (-3.28) Depth: 8 00:00:00 234kN
1...cxd3 2.Rh3 Bc8 3.Rh4 Qd7 4.Kf2 d4 5.e4 Qb5 6.Qb3
-+ (-3.31) Depth: 9 00:00:00 635kN
1...cxd3 2.Rh3 Bc8 3.Rh2 Qd7 4.Kf2 d4 5.e4 Qb5 6.Nb3 Be6
-+ (-3.31) Depth: 10 00:00:01 1269kN
1...cxd3 2.Rh3 Bc8 3.Rh2 Qd7 4.Kf2 d4 5.e4 Qg4 6.Qf3 Qxf3+ 7.Nxf3 Bb7 8.Rc1
-+ (-3.22) Depth: 11 00:00:02 2585kN
1...cxd3 2.Kf2 Kxh7 3.Qh1+ Kg8 4.Qh6 Bxg5 5.fxg5 Qd7 6.Rh1 f5 7.gxf6 Kf7 8.Qh7+ Ke8 9.Qxg6+
³ (-0.61) Depth: 12 00:00:05 6471kN
1...Qe8 2.Rh2 cxd3 3.Kf2 Kg7 4.f5 Bxg5 5.f6+ Bxf6 6.exf6+ Kxf6 7.Qf3+ Ke7 8.Qf4 Rc8 9.Rh7
µ (-1.39) Depth: 12 00:00:22 25515kN
1...Qe8 2.Rh2 cxd3 3.Kf2 Kg7 4.f5 Bxg5 5.f6+ Bxf6 6.exf6+ Kxf6 7.Qf3+ Ke7 8.Rc1 Rc8 9.Rxc8
-+ (-1.61) Depth: 13 00:00:26 29812kN
1...Qe8 2.Bxg6 fxg6 3.Rh6 d4 4.Nxc4 Bb4+ 5.Nd2 Kg7 6.Qb3 Bxd2+ 7.Kxd2 Bxg2 8.Rc1 Rd8 9.Rc2
-+ (-1.53) Depth: 14 00:00:49 55711kN
1...Qe8 2.Kf2 Kxh7 3.Qh1+ Kg8 4.Qh2 f5 5.gxf6 cxd3 6.Rh1 Kf7 7.Qh7+ Ke6 8.Qh3+ Kf7 9.Qh7+
= (0.00) Depth: 15 00:01:25 96929kN
1...Qe8 2.Kf2 Kxh7 3.Qh1+ Kg8 4.Qh2 f5 5.gxf6 Rxf6 6.Rh1 Rxf4+ 7.exf4 cxd3 8.f5 Bh4+ 9.Qxh4
± (0.84) Depth: 16 00:02:59 207mN
1...Bxg5 2.Bxg6 fxg6 3.Rxb7 Bh4+ 4.Kf1 Qc8 5.Nf3 Qxb7 6.Nxh4 Kg7 7.Qg4 Qf7 8.e6 Qf6 9.Rd1
= (-0.05) Depth: 16 00:04:14 298mN
1...Bxg5 2.Bxg6 fxg6 3.Rxb7 Bh4+ 4.Kf1 Qc8 5.Nf3 Qxb7 6.Nxh4 g5 7.Qg4 Qg7 8.Qe6+ Qf7 9.Qg4
= (0.00) Depth: 17 00:05:40 401mN
(Soares, Residencia 22.05.2007) |
Hi Paulo,
Yes I thought the position was interesting because usually engines initially think that cxd3 wins for black, then switch to Qe8 thinking it is also much better for black, then see the danger in the line beginning with Qe8 Kf2! and finally switch to the correct Bxg5! So there are two temping moves to avoid.
Have a good day, |
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| Subject |
Author |
Date/Time |
 Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Marc MP |
Tue May 22, 2007 5:45 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Paulo Soares |
Tue May 22, 2007 12:49 pm |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Marc MP |
Tue May 22, 2007 3:08 pm |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Alex Brown |
Wed May 23, 2007 5:26 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Paulo Soares |
Wed May 23, 2007 7:49 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Alex Brown |
Thu May 24, 2007 1:45 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Marc MP |
Thu May 24, 2007 4:05 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Alex Brown |
Thu May 24, 2007 5:54 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Paulo Soares |
Thu May 24, 2007 9:56 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Alex Brown |
Thu May 24, 2007 2:06 am |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Robert Basham |
Tue May 22, 2007 1:52 pm |
| Re: Test Position: Krogius-Niemala (Bad Lovisa) 1934 |
Paulo Soares |
Wed May 23, 2007 7:52 am |
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