Author: Chessfun
Date: 22:02:06 02/20/04
Go up one level in this thread
On February 19, 2004 at 16:37:42, John Merlino wrote: >On February 19, 2004 at 16:05:07, George Tsavdaris wrote: > >> >>30.Nxf7! A nice sacrifice of Amyan 1.591 against Wildcat 3.0 that some of the >>best engines can't find it in the reasonable time of 4 minutes on a 1.5GHz PIV. >>Shredder 8, Deep Fritz 8-7, Ruffian 2.0 can't find it. It's so easy that i guess >>why? For Junior's and Chess Tiger's is very easy. >>When i'm thinking that Shredder 8 can't see the famous sacrifice Bxh7! and plays >>O-O, i hope programmers of top engines would give more attention to sacrifices >>and be less materialistic. >> >>[D]r2r4/pb3pkp/3q2p1/2pnN3/2B5/1P6/P2QRPPP/4R1K1 w - - 0 30 > >Chessmaster 9000, SKR personality on a P4-2.4, needs two seconds to stick with >Nxf7: > >Time Depth Score Positions Moves >0:00 1/5 1.12 22587 30.Nd3 Rac8 31.Bxd5 Qxd5 32.Qc3+ > Qd4 >0:00 1/5 1.14 40521 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh4+ Kg7 34.Bb5 >0:00 1/6 1.08 73939 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Bb5 > Nf6 33.Bxd7 Qxd7 >0:00 1/6 1.32 130716 30.Nd3 Nb6 31.Qc3+ Qd4 32.Qxd4+ > cxd4 33.Bxf7 Bxg2 34.Bxg6 hxg6 > 35.Kxg2 >0:02 1/7 1.01 348213 30.Nd3 Rac8 31.a3 h6 32.Bxd5 Qxd5 > 33.Qc3+ Qd4 >0:02 1/7 1.49 421563 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh4+ Kg7 34.Re6 Qc7 35.Bb5 >0:03 1/8 1.58 640777 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh6 Kf7 34.Bb5 Re7 35.Qh7+ > Kf6 >0:06 1/9 1.58 1330332 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh6 Kf7 34.Bb5 Re7 35.Qh7+ > Kf6 >0:13 1/10 1.82 2980599 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 > Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh7 38.Qxd7+ > Qg7 >0:28 1/11 1.82 6787634 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 > Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh7 38.Qxd7+ > Qg7 >1:06 1/12 2.19 16290358 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 > Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh6 38.Qxd7 >2:50 1/13 2.54 42892793 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ > Kf6 33.Qh6 Rg8 34.Re4 Qf8 35.Qh3 > Qf7 36.Bxd5 Rxd5 37.Qc3+ Kg5 38.Qe3+ > Kf6 > >jm While I can repeat this in CM9K, in any CB gui I don't get Nxf7 till 40 secs on XP 2600. I had a few attempts. r2r4/pb3pkp/3q2p1/2pnN3/2B5/1P6/P2QRPPP/4R1K1 w - - 0 1 30.Nd3 Rac8 31.Qg5 Ba6 32.Qh4 Nc3 33.Re7 Bxc4 34.Qxc4 Qxd3 35.Qxf7+ Kh6 36.Qxh7+ Kg5 37.Rxa7 ± (0.97) Depth: 10 00:00:35 10117kN 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh7 38.Qxd7+ Qg7 +- (1.51) Depth: 10 00:00:40 11849kN 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh7 38.Qxd7+ Qg7 +- (1.51) Depth: 11 00:00:51 15927kN New game r2r4/pb3pkp/3q2p1/2pnN3/2B5/1P6/P2QRPPP/4R1K1 w - - 0 1 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh7 38.Qxd7+ Qg7 +- (1.51) Depth: 10 00:00:33 10089kN 30.Nxf7 Kxf7 31.Qh6 Rd7 32.Qxh7+ Kf6 33.Qh4+ Kf7 34.Re3 Kg7 35.Re6 Qf8 36.Rxg6+ Kxg6 37.Qg4+ Kh7 38.Qxd7+ Qg7 +- (1.51) Depth: 11 00:00:50 16038kN Here is my CB param file, can anyone see where it could be wrong? I set up as the default CM 9000 then load a param file. Can someone try CM9000 SKR on this in a CB gui? [CM9000 SKR] Opponents Pawn (opp)=100 Opponents Knight (opn)=100 Opponents Bishop (opb)=100 Opponents Rook (opr)=100 Opponents Queen (opq)=100 Kings Pawn (myp)=100 Kings Knight (myn)=100 Kings Bishop (myb)=100 Kings Rook (myr)=100 Kings Queen (myq)=101 Contempt (cfd)=0 Strength (sop)=100 Attack Defend (avd)=-2 Randomness (rnd)=0 Selective Search (sel)=12 Max Depth (md)=99 My Centre Control (mycc)=105 My Mobility (mymob)=110 My King Safety (myks)=155 My Passed Pawn (mypp)=100 My Pawn Weakness (mypw)=100 Opponent's Centre Control (opcc)=100 Opponent's Mobility (opmob)=100 Opponent's King Safety (opks)=100 Opponent's Passed Pawn (oppp)=100 Opponent's Weakness (oppw)=100 ShowThinkingMove=1 Logfile=1 Sarah.
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