Author: Vasik Rajlich
Date: 01:26:55 01/02/06
Go up one level in this thread
On January 01, 2006 at 17:06:43, enrico carrisco wrote: >I stated here in CCC days after Rybka was released that the nps was manipulated >but lacked any real convincing examples of this. I even ran the idea by Chrilly >when he was disassembing Rybka, but he had no comment on it. > >In the following position, we see two different evaluations for Rybka 1.0 Beta >64-bit and Rybka 1.01 Preview 2 64-bit. Of course, without knowing what >undocumented changes (if any) were made from 1.0 Beta to Preview 2, it's hard to >deduce anything concrete. However, Vasik has posted here a few times that >nothing was changed with the strength or eval (I believe... Not trying to quote >anything...) > >Specifically, the time-to-ply figures are odd. Preview 2 appears to slow down >in time to ply while Rybka 1.0 Beta seems to 'speed up' as the depth increases >(from nps figures.) > >The second position, below, shows the differences in nps better -- where the >qsearch demands a little recognition... :) Time-to-ply is very close (unlike >the first position) but the nps differs substantially... > Enrico, I already explained this here - did you really miss it? If you don't mind, I have two nosy questions for you: 1) What is the Hiarcs definition of node? 2) Do you have access to the Hiarcs sources? Thanks, Vas >Position 1 [time-to-ply oddness]: >[D]4k3/1b4R1/q3p2p/2B2p2/8/1R6/1K6/8 w - - 0 88 > > >Rybka 1.0 beta 64 bit 512mb hash A64-2.7 (CP GUI): > >00:00:00.0 2.40 3 65 Rbxb7 >00:00:00.0 2.41 4 435 Rbxb7 >00:00:00.0 2.65 5 1210 Rbxb7 Qe2+ Kb3 >00:00:00.1 5.63 6 2476 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 >00:00:00.1 5.63 7 4189 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 >00:00:00.1 5.63 8 8222 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Ka5 >00:00:00.1 6.50 9 16000 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Ka5 Qd2+ >00:00:00.3 6.56 10 41344 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Kb6 Qb2+ >00:00:00.5 7.43 11 118209 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Kb6 Qb2+ >00:00:01.0 7.43 12 200997 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Kb6 Qb2+ >00:00:02.0 7.43 13 477000 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ >00:00:04.0 7.49 14 987862 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ >00:00:08.2 7.49 15 2073381 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ >00:00:17.7 7.49 16 4778724 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ >00:00:49.2 8.35 17 19664761 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qb1+ >00:01:24.2 8.35 18 31087304 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qb1+ >00:02:51.4 8.41 19 66442682 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qb1+ > > >Rybka 1.01 Preview 2 64 bit 512mb hash A64-2.7 (CP GUI): > >00:00:00.0 2.40 3 946 Rbxb7 >00:00:00.0 2.41 4 2031 Rbxb7 >00:00:00.0 2.65 5 5626 Rbxb7 Qe2+ Kb3 >00:00:00.0 5.63 6 10221 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 >00:00:00.0 5.63 7 15896 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 >00:00:00.1 5.63 8 30368 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Ka5 >00:00:00.1 6.50 9 53606 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Ka5 Qd2+ Kb6 Qb2+ >Kc6 >00:00:00.2 6.56 10 111628 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Kb6 Qb2+ Kc6 >Qxg7 Rxg7 >00:00:00.6 7.43 11 238776 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Kb6 Qb2+ Kc6 >Qxg7 Rxg7 f4 >00:00:01.0 7.43 12 407147 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qe2+ Kb6 Qb2+ Kc6 >Qxg7 Rxg7 f4 >00:00:02.6 7.43 13 1136628 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ Ka6 >Qa8+ Kb5 Qxb7+ >00:00:04.7 7.49 14 2097110 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ Ka6 >Qa8+ Kb5 Qxb7+ >00:00:08.3 7.49 15 3812588 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ Ka6 >Qa8+ Kb5 Qxb7+ >00:00:18.0 7.49 16 8337775 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qd2+ Kb5 Qd3+ Kb6 Qd8+ Ka6 >Qa8+ Kb5 Qxb7+ >00:00:59.2 7.49 17 29186799 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qb1+ Ka5 Qxb7 Rxb7 h5 Re7+ >Kf8 Rxe6+ Kf7 >00:01:50.9 8.35 18 55194222 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qb1+ Ka5 Qxb7 Rxb7 f4 Re7+ >Kf8 Rxe6+ Kg7 >00:03:30.0 8.41 19 104388523 Rbxb7 Qe2+ Kb3 Qd3+ Kb4 Qb1+ Ka5 Qxb7 Rxb7 f4 Kb5 >f3 Kc6 f2 > > > >Position 2 [nps oddness]: >[D]r2qkb1r/1p1b1ppp/p1nppn2/6B1/3NP3/2N5/PPPQ1PPP/2KR1B1R w kq - 0 1 > > >Rybka 1.0 beta 64 bit 512mb hash A64-2.7 (CB GUI): > >9.Nxc6 > ² (0.37) Depth: 3 00:00:00 >9.Kb1 > ² (0.39) Depth: 3 00:00:00 >9.Kb1 > ² (0.32) Depth: 4 00:00:00 >9.Kb1 Be7 > ² (0.27) Depth: 5 00:00:00 >9.Kb1 h6 10.Be3 > = (0.22) Depth: 6 00:00:00 24kN >9.Be2 Be7 10.Nxc6 > = (0.24) Depth: 6 00:00:00 28kN >9.Be2 Be7 10.Kb1 0-0 > = (0.25) Depth: 7 00:00:00 49kN >9.Be2 Be7 10.Qe3 0-0 11.Qg3 > = (0.23) Depth: 8 00:00:00 93kN >9.Be2 h6 10.Be3 Be7 11.b3 0-0 > = (0.16) Depth: 9 00:00:01 215kN >9.Nxc6 Bxc6 10.f3 Qa5 11.Bf4 0-0-0 > ² (0.28) Depth: 9 00:00:01 259kN >9.Nxc6 Bxc6 10.f3 Qa5 11.Kb1 Be7 12.Be2 > ² (0.28) Depth: 10 00:00:02 389kN >9.Nxc6 Bxc6 10.f3 Qc7 11.Kb1 Be7 12.Bf4 Rd8 > = (0.21) Depth: 11 00:00:04 674kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 0-0 > = (0.23) Depth: 11 00:00:11 1658kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 0-0 13.Nf3 > = (0.24) Depth: 12 00:00:16 2429kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 Rd8 13.Nb3 Bc8 > = (0.20) Depth: 13 00:00:27 4147kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 Rd8 13.Nb3 Bc8 > = (0.19) Depth: 14 00:01:02 9484kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 0-0-0 12.Nxc6 Bxc6 13.Qe3 Kb8 > = (0.20) Depth: 15 00:02:28 23322kN > > >Rybka 1.01 Preview 2 64 bit 512mb hash A64-2.7 (CB GUI): > >9.Nxc6 > ² (0.37) Depth: 3 00:00:00 >9.Kb1 > ² (0.39) Depth: 3 00:00:00 >9.Kb1 > ² (0.32) Depth: 4 00:00:00 >9.Kb1 Be7 > ² (0.27) Depth: 5 00:00:00 >9.Kb1 h6 10.Be3 > = (0.22) Depth: 6 00:00:00 50kN >9.Be2 Be7 10.Nxc6 > = (0.24) Depth: 6 00:00:00 61kN >9.Be2 Be7 10.Kb1 0-0 > = (0.25) Depth: 7 00:00:00 103kN >9.Be2 Be7 10.Qe3 0-0 11.Qg3 > = (0.23) Depth: 8 00:00:00 203kN >9.Be2 h6 10.Be3 Be7 11.b3 0-0 > = (0.16) Depth: 9 00:00:01 442kN >9.Nxc6 Bxc6 10.f3 Qa5 11.Bf4 0-0-0 > ² (0.28) Depth: 9 00:00:01 519kN >9.Nxc6 Bxc6 10.f3 Qa5 11.Kb1 Be7 12.Be2 > ² (0.28) Depth: 10 00:00:02 752kN >9.Nxc6 Bxc6 10.f3 Qc7 11.Kb1 Be7 12.Bf4 Rd8 > = (0.21) Depth: 11 00:00:04 1250kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 0-0 > = (0.23) Depth: 11 00:00:11 3124kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 0-0 13.Nf3 > = (0.24) Depth: 12 00:00:16 4578kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 Rd8 13.Nb3 Bc8 > = (0.20) Depth: 13 00:00:28 7698kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 h6 12.Bh4 Rd8 13.Nb3 Bc8 14.Qe3 > = (0.19) Depth: 14 00:01:02 17348kN >9.f4 Qc7 10.Be2 Be7 11.Kb1 0-0-0 12.Nxc6 Bxc6 13.Qe3 Kb8 14.e5 dxe5 15.fxe5 Nd5 > = (0.20) Depth: 15 00:02:29 41641kN
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