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Subject: Re: Nolot progress? Crafty one hour output on ho-hum machine

Author: Uri Blass

Date: 13:27:28 03/24/04

Go up one level in this thread


On March 24, 2004 at 16:07:33, Dann Corbit wrote:

>950 MHz Athlon
>
>[D]r3qb1k/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w - - acd 14; acn
>1678577872; acs 3600; bm Nxh6; c0 "Kasparov-Karpov, Wch35-KK5 Lyon-New York
>(20), CBM 21 1990"; ce -180; id "Nolot.1, Heap.100662, move.26"; pv Rxh6;
>
>Not deep enough yet.
>
>[D]r4rk1/pp1n1p1p/1nqP2p1/2b1P1B1/4NQ2/1B3P2/PP2K2P/2R5 w - - acd 14; acn
>1674548854; acs 3600; bm Rxc5; c0 "Bronstein,D-Ljubojevic,L, Petropolis izt
>(11), IZT 1973"; ce 0; id "Nolot.2, Heap.5154, move.22"; pv Bf6 Qb5+ Ke1 Nxf6
>Nxf6+ Kg7 Nh5+ gxh5 Qg5+ Kh8 Qf6+ Kg8 Qg5+ Kh8;
>
>Found a draw.  Can't find the win.  Other programs seem to do much better with
>this one.
>
>[D]r2qk2r/ppp1b1pp/2n1p3/3pP1n1/3P2b1/2PB1NN1/PP4PP/R1BQK2R w - - acd 16; acn
>1632014543; acs 3600; bm Nxg5; c0 "Smagin,S-Sahovic,D, Biel op (10), EXP 19
>1990"; ce 26; id "Nolot.3, Heap.81891, move.12"; pv h3 Bxf3 gxf3 g6 Be3 Nf7 Kd2
>a5 Bb5 Rf8 Ne2 Bg5 f4 Be7 Kc2 Qd7 Rg1;
>
>Stubbornly sticks to h3.  The score was slowly rising, so it might be worth
>further investigation
>
>[D]r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w - - acd 15; acn
>1729109564; acs 3600; bm Nxe6; c0 "Keres,Paul-Kotov, Budapest, candidate, 1950";
>ce 93; id "Nolot.4, Heap.373676, move.10"; pv Be2 Qc5 Qd2 b5 Nb3 Qc7 f3 h6 Bf4
>e5 Be3 Nb6 Rad1 Nc4 Bxc4 Qxc4;
>
>Bruce reported that a deep search gave a score of +1 or so for the key move.  I
>wonder if this move is not nearly as good.
>
>[D]r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - acd 15; acn
>1718326598; acs 3600; bm e5; c0 "Spassky,B-Petrosian,T, Wch27-Moscow (19), MAINB
>1969"; ce 158; id "Nolot.5, Heap.4152, move.21"; pv Nce2 g5 h4 g4 Nf4 e5 Nde6
>Bxe6 Nxe6 Qe7 Rf5 Bg7 Rgf1 h5 Bc4 Rac8;
>
>Crafty just can't get deep enough in one hour on the hardware that I used.  But
>the alternative move seems to have some promise.
>
>[D]rnbqk2r/1p3ppp/p7/1NpPp3/QPP1P1n1/P4N2/4KbPP/R1B2B1R b - - acd 14; acn
>1701935074; acs 3608; bm axb5; c0 "Wlodarczyk,R (2270)-Bandza,A, Miedzybrodzie
>(5), TD 91/08 1991"; ce -171; id "Nolot.6, Heap.117601, move.13"; pv Nd7 Nd6+
>Ke7 Nxc8+ Qxc8 h3 Bd4 Nxd4 cxd4 hxg4 Nf6 Qb3 Nxe4 Rh4 g5 Rh3 Qxg4+ Qf3 Qxf3+
>Rxf3;
>
>Needs more time, obviously.
>
>[D]rnbqk2r/1p3ppp/p7/1NpPp3/QPP1P1n1/P4N2/4KbPP/R1B2B1R b - - acd 15; acn
>1692603481; acs 3600; bm axb5; c0 "Malaniuk,V (2520)-Ivanchuk,V, USSR(ch),
>46/745, [Ivanchuk], 1988"; ce -165; id "Nolot.6, Heap.787586, move.13"; pv Bd7
>h3 Bd4 Nfxd4 cxd4 hxg4 Ra7 d6 Kf8 Kf2 Qb6 c5 axb5 cxb6 Rxa4 Bd3 Bxg4 Bxb5;
>
>Needs more time, obviously.
>
>[D]1r1bk2r/2R2ppp/p3p3/1b2P2q/4QP2/4N3/1B4PP/3R2K1 w - - acd 16; acn 1863034380;
>acs 3606; bm Rxd8+; ce 207; id "Nolot.7, src=?"; pv Rb7 Rxb7 Qxb7 Qe2 Bd4 Bd7
>Bb6 Qb5 Nc4 Qa4 Rd2 Qa1+ Kf2 Qa4 Qb8 Ke7 Qd6+ Ke8 Bxd8 Kxd8;
>
>This is the most intersting one to me, from the Crafty output.

You simply copied the position wrong

In the right position black has the right to castle

see

http://www.seanet.com/~brucemo/nolot/nolot07.htm



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