Author: Tord Romstad
Date: 05:19:04 03/24/04
Go up one level in this thread
On March 23, 2004 at 23:02:00, Dann Corbit wrote:
>Has any program made real progress at solving the Nolot positions?
>
>For instance, do any commercial or freeware programs solve them with a
>convincing score within an hour on any hardware?
I'll try. I don't have much CPU time to spare, and I will probably need
a week or two before I have analyzed all the positions. Here is Gothmog's
analysis of the first position (60 minutes on a PIV 2.4 GHz). The right
move is chosen after 4:01. After 60 minutes Gothmog is in the middle of
iteration 15, and the lower and upper bounds for the root scores are
+0.44 and +0.91. This probably cannot be considered a convincing score.
>r3qb1k/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w - - bm Nxh6; id "Nolot.1,
1 -0.53 0.00 153 Qd4
2 -0.72 0.00 622 Qd4 Rc8
3 -0.69 0.01 1315 Qd4 Rc8 a5
4 -0.69 0.03 3778 Qd4 Rc8 Rc1 Qc6
5 -0.59 0.22 20636 Qd4 Rc8 Rc1 Qxa4 Rxc4 Rxc4 Qxc4
6 <= -0.62 0.49 48352 Qd4 Rc8 Rc1 a5 Nc3 Nf6
6 <= -0.66 0.52 52781 Qd4 Rc8 Rc1 Nf4 Nxd6 Re1+
6 <= -0.72 0.71 67481 Qd4 Rc8 Rc1 Nf4 Nxd6 Re1+
6 >= -0.84 0.77 74846 Qd4 Rc8 a5 Nf6 Rge3
6 >= -0.81 0.78 75406 Qd4 Rc8 a5 Nf6 Rge3
6 <= -0.75 0.81 79494 Qd4 Rc8 a5 Nf6 Rge3 Qc6
6 <= -0.78 0.95 100939 Qd4 Rc8 a5 Qf7 Ne3 Nf6
6 >= -0.78 0.96 101717 Qd4 Rc8 a5 Qf7 Ne3 Nf6
6 -0.78 0.97 101717 Qd4 Rc8 a5 Qf7 Ne3 Nf6
7 >= -0.78 1.06 115487 Qd4 Rc8 a5 Qf7 Ne3 Nf6 Nc3
7 >= -0.75 1.08 118706 Qd4 Rc8 a5 Qf7 Ne3 Nf6 Nc3
7 >= -0.62 1.25 142279 Qd4 Rc8 Ne3 Nxe3 Rexe3 Qxa4 Rxg7
7 <= -0.38 1.57 188125 Qd4 c3 Bxc3 Nxc3 Qxb4 Bxe4 Rxc3 d5
7 >= -0.38 1.73 214053 Qd4 c3 Bxc3 Nxc3 Rxc3 Qxa4 Rc7 Qb5
7 -0.38 1.74 214053 Qd4 c3 Bxc3 Nxc3 Rxc3 Qxa4 Rc7 Qb5
8 >= -0.38 3.31 486147 Qd4 c3 Bxc3 Nxc3 Rxc3 Qxa4 Rc7 Qb5 Ne3
8 <= -0.38 3.88 575493 Qd4 Qxa4 Ne3 Re5 Qd2 Nxe3 Bxe5 Nxg2 Nxd6
8 -0.38 3.89 575493 Qd4 Qxa4 Ne3 Re5 Qd2 Nxe3 Bxe5 Nxg2 Nxd6
9 <= -0.41 8.34 1296584 Qd4 c3 Bxc3 Nxc3 Rxc3 Qxa4 Rc7 Qb5 Ne3
Be7
9 <= -0.44 8.59 1345558 Qd4 c3 Bxc3 Nxc3 Rxc3 d5 Rc7 Bc6
9 <= -0.50 9.16 1452191 Qd4 c3 Bxc3 Nxc3 Rxc3 d5 Rc7 Bc6
9 <= -0.66 11.29 1822329 Qd4 c3 Bxc3 Nxc3 Rxc3 d5 Rc7 Bc6
9 >= -0.94 12.25 1989770 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 >= -0.91 12.32 2005355 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 >= -0.78 13.55 2218795 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 <= -0.69 14.12 2330043 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 <= -0.72 15.14 2511444 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 >= -0.75 15.25 2534278 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 >= -0.72 15.63 2601831 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
9 -0.72 15.65 2601831 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
10 >= -0.72 19.07 3197400 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
10 <= -0.72 31.46 5219779 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4
10 -0.72 31.48 5219779 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4
11 <= -0.75 1:19 13128340 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4
11 <= -0.78 1:55 19101503 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4
11 <= -0.84 2:15 22517765 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4
11 <= -1.00 3:40 36038194 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4
11 >= -1.28 3:49 37595533 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
11 >= -1.25 3:50 37777547 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
11 >= -1.12 3:52 38150890 Qd4 c3 Bxc3 Nxc3 Qxb4 Nxe4 Qxb7 Rb8 Qxb8
Qxb8 Bxe4
11 >= -1.00 4:01 39798937 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Qh4+ Kg8
Nexd6
11 -1.00 4:01 39798937 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Qh4+ Kg8
Nexd6
12 >= -1.00 4:12 41807515 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Qh4+ Kg8
Nexd6
12 <= -1.00 8:39 85222760 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Qh4+ Kg8
Nexd6 Bxd6 Rxe6
12 -1.00 8:39 85222760 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Qh4+ Kg8
Nexd6 Bxd6 Rxe6
13 >= -1.00 9:09 90793595 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6 Bg7
13 >= -0.97 9:19 92810567 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6 Bg7 Nf6+
13 >= -0.84 9:33 95796439 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6 Bg7 Nf6+
13 >= -0.56 10:05 101883340 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6 Bg7 Nf6+
13 >= -0.06 11:07 112919074 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6 Bg7 Nxd6
13 <= 0.69 12:05 122091535 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6
13 <= 0.66 12:13 123568334 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6
13 <= 0.59 12:20 124872799 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Kg8
Nxg6
13 <= 0.44 12:42 128973823 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Nf4
Qxf4 Nd5
13 <= 0.12 13:27 136562647 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Nf4
Qxf4 Nd5
13 >= -0.03 13:55 141972003 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Nf4
Qxf4 Nd5 Qg5
13 >= 0.00 14:14 145672390 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Nf4
Qxf4 Nd5 Qg5
13 <= 0.09 14:37 149753797 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Nf4
Qxf4 Nd5
13 <= 0.06 14:46 151591389 Nxh6 c3 Nf5 cxb2 Qg4 g6 Re2 Qd7 Nh4 Nf4
Qxf4 Nd5
13 <= 0.00 15:17 156981451 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Nf6+
Nxf6 Nh6+ Kh8 Nf7+
13 0.00 15:17 156981451 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Nf6+
Nxf6 Nh6+ Kh8 Nf7+
14 >= 0.00 18:07 187408924 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Nf6+
Nxf6 Nh6+ Kh8 Nf7+
14 <= 0.00 23:58 244281027 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Nf6+
Nxf6 Nh6+ Kh8 Nf7+ Kg8 Nh6+
14 0.00 23:58 244281027 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Nf6+
Nxf6 Nh6+ Kh8 Nf7+ Kg8 Nh6+
15 >= 0.00 30:34 316112254 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Nf6+
Nxf6 Nh6+ Kh8 Nf7+ Kg8 Nh6+
15 >= 0.03 36:22 378379454 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Ng5
Rxe1+ Kh2 Nf6 Nh6+ gxh6 Nh7+ Kh8 Nxf6
Qxh3+ Qxh3 Bg7 Qd7
15 >= 0.16 41:31 435263733 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Ng5
Rxe1+ Kh2 Nf6 Nh6+ gxh6 Nh7+ Kh8 Nxf6
Qxh3+ Qxh3 Bg7 Qd7
15 >= 0.44 50:06 527215717 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Rg6
Rxe4 Nh6+ Kh8 Ng4+ Kg8 Bxe4
15 <= 0.91 58:05 609294172 Nxh6 c3 Nf5 cxb2 Qg4 Qd7 Qh5+ Kg8 Rg6
Rxe4 Nh6+ Kh8 Ng4+ Kg8 Bxe4
Tord
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.