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Test Position: Nxg2 followed by d4!
Posted: Wed Apr 09, 2008 11:13 am
by swami
[d]r2qr1k1/p4pbp/bp4p1/3p4/8/BPN1n1P1/P2QN1BP/R2R2K1 b - - 0 18
Does your engine find Nxg2 first, then show Kxg2, d4! in analysis line?
Re: Test Position: Nxg2 followed by d4!
Posted: Wed Apr 09, 2008 2:04 pm
by Ross Boyd
Yes...
TRACE 2 needs about 35 seconds on a Q6600 (single threaded)
Code: Select all
FEN: r2qr1k1/p4pbp/bp4p1/3p4/8/BPN1n1P1/P2QN1BP/R2R2K1 b - - 0 18
TRACE 2.00:
1/4 00:00.157 2.537 0 +0.70 Nxd1
2/11 00:00.157 2.716 0 +0.70 Nxd1 Rxd1
3/12 00:00.157 6.306 5.000 +0.28 Nxd1 Rxd1 Bxe2
3/13 00:00.157 8.363 5.000 +0.56 Bxe2 Nxe2 Bxa1
3/12 00:00.157 9.444 5.000 +0.61 Rc8 Nd4 Nxd1
4/13 00:00.157 15.735 15.000 +0.61 Rc8 Nd4 Nxd1 Rxd1
5/14 00:00.188 47.995 1.451.612 +0.28 Rc8 Nd4 Nxd1 Rxd1 Re5
5/13 00:00.188 54.019 1.612.903 +0.64 Bxe2 Nxe2 Bxa1 Rxa1 Rc8
6/15 00:00.219 99.179 1.532.258 +0.66 Bxe2 Nxe2 Bxa1 Rxa1 Rc8 Nd4
6/18 00:00.250 149.144 1.559.139 +0.78 Rc8 Nd4 Bxd4 Qxd4 Nc2 Qa4
7/19 00:00.313 230.995 1.474.358 +0.78 Rc8 Nd4 Bxd4 Qxd4 Nc2 Qa4 Nxa1
8/21 00:00.485 457.368 1.537.162 +0.78 Rc8 Nd4 Bxd4 Qxd4 Nc2 Qa4 Nxa1 Qxa6
9/25 00:00.766 924.762 1.510.673 +0.59 Rc8 Nd4 Bxd4 Qxd4 Nc2 Qa4 Rxc3 Bb2 Rc7
9/22 00:00.829 1.024.038 1.520.119 +0.60 Bxe2 Nxe2 Bxa1 Rxa1 Rc8 Nd4 Nxg2 Kxg2 Qf6
10/22 00:01.579 2.247.252 1.579.873 +0.60 Bxe2 Nxe2 Bxa1 Rxa1 Rc8 Nd4 Qf6 Re1 Nxg2 Rxe8+ Rxe8
11/24 00:03.719 5.613.469 1.574.957 +0.60 Bxe2 Nxe2 Bxa1 Rxa1 Rc8 Nd4 Qf6 Re1 Nxg2 Rxe8+ Rxe8 Kxg2
11/29 00:05.875 7.400.751 1.568.461 +0.65 Rc8 Nd4 Nf5 Nxf5 Bxc3 Nh6+ Kg7 Nxf7 Bxd2 Nxd8 Be3+ Kh1 Rexd8
12/31 00:10.172 15.843.484 1.581.627 +0.57 Rc8 Nd4 Bxd4 Qxd4 Nc2 Qa4 Rxc3 Bb2 Rce3 Qxa6 Nxa1
13/38 00:30.922 47.891.414 1.608.936 +0.55 Rc8 Nd4 Bf6 Rdc1 Nxg2 Kxg2 Bg5 Qb2 Bxc1 Rxc1 Bd3
13/37 00:35.500 57.310.278 1.621.537 +1.28 Nxg2 Kxg2 d4 Nxd4 Bb7+ Kf2 Qd7 Bb4 Rad8 Nf3 Qc6 Qf4 Bxc3
14/38 00:44.782 72.618.180 1.627.226 +1.54 Nxg2 Kxg2 d4 Nxd4 Bb7+ Kf2 Qd7 Rac1 Rad8 Nf3 Qc6 Qf4 Bxc3 Rxd8 Rxd8
Re: Test Position: Nxg2 followed by d4!
Posted: Wed Apr 09, 2008 2:13 pm
by Tony Thomas
I see that you got Trace 2 almost ready...
Re: Test Position: Nxg2 followed by d4!
Posted: Wed Apr 09, 2008 2:20 pm
by Dr.Wael Deeb
Tony Thomas wrote:I see that you got Trace 2 almost ready...
It seems that you have big eyes Tony and they function well
Re: Test Position: Nxg2 followed by d4!
Posted: Wed Apr 09, 2008 2:22 pm
by Ross Boyd
Tony Thomas wrote:I see that you got Trace 2 almost ready...
I wish, I wish...
She usually solves faster than 1.37a but she doesn't play well.
And the search has some 'sticking' points which I haven't solved yet.
Time is very limited here... doing some studies as well as full-time work.... so don't get excited... just yet...
sorry
Ross
Re: Test Position: Nxg2 followed by d4!
Posted: Wed Apr 09, 2008 3:31 pm
by Guetti
Hiracs 11.2MP finds it immediately (1s), but then switches moves d4 first followed by Nxg2:
Code: Select all
8 -3 60 325910 Bxe2 Nxe2 Bxa1 Rxa1 Rc8 Nd4 f5 Re1 Nxg2 Kxg2
9 +7 84 475125 Bxe2 Nxe2 Bxa1 Rxa1 Nxg2 Kxg2 d4 Nxd4 Qd5+ Kf2 Rad8 Rd1 Qe4
10 -15 149 989696 Bxe2 Nxe2 Bxa1 Rxa1 Nxg2 Kxg2 Rc8 Nd4 a6 Rf1 f5 Qh6 Qf6
10 -14 164 1125452 Nxg2
10 +32 171 1158335 Nxg2
10 +165 194 1314022 Nxg2 Kxg2 d4 Nxd4 Bb7+ Kf1 Qd7 Ndb5 Qc6 Nd5 Qxb5+
11 +142 249 1743545 Nxg2 Kxg2 d4 Nxd4 Bb7+ Kf2 Qd7 Rac1 Bxd4+ Qxd4
12 +167 336 2527742 Nxg2
12 +219 420 3328467 Nxg2 Kxg2 d4 Nxd4 Bb7+ Kf2 Qd7 Ncb5 Qd5 Rg1 a6 Qf4 axb5 Bb2
13 +244 633 5324368 Nxg2
13 +288 1040 9326798 Nxg2 Kxg2 d4 Bb2 dxc3 Nxc3 Qxd2+ Rxd2 Rac8 Nd1 Bb7+ Kh3 Bxb2 Rxb2 Rc5 g4 f5 Nf2 f4
14 +278 1759 16290675 Nxg2 Kxg2 d4 Bb2 dxc3 Nxc3 Qxd2+ Rxd2 Rac8 Nd1 Bb7+ Kf1 Bh6 Rf2 f5 Bc3 Bf8 a4 Bd6
14 +279 2292 21189014 d4
14 +279 2392 22188084 d4 Nxd4 Nxg2 Kxg2 Bb7+ Kf2 Qd7 Nf3
15 +291 3246 30567428 d4 Nxd4 Nxg2 Kxg2 Bb7+ Kf2 Qd7 Nf3 Qxd2+ Nxd2 Bd4+ Kf1 Bc8 Nce4 Ba6+ Kg2 Bxa1 Rxa1 Bb7 Re1 f5 Kf3 Rad8 Bb4 fxe4+ Nxe4
16 +291 5150 49048660 d4 Nxd4 Nxg2 Kxg2 Bb7+ Kf2 Qd7 Nf3 Qxd2+ Nxd2 Bd4+ Kf1 Bc8 Nce4 Ba6+ Kg2 Bxa1 Rxa1 Bb7 Re1 f5 Kf3 Rad8 Bb4 fxe4+