Author: Brian Katz
Date: 15:21:52 02/09/04
Go up one level in this thread
On February 09, 2004 at 17:48:51, Kurt Utzinger wrote: >Thinking.... > > +---+---+---+---+---+---+---+---+ End 1 - Pos 1 >8 | | | | | | | | | > +---+---+---+---+---+---+---+---+ 00:00:00 00:00:00 >7 | *p| *B| B | | | | *K| *p| > +---+---+---+---+---+---+---+---+ >6 | | | | | | | *p| | Time fixed: > +---+---+---+---+---+---+---+---+ Hash 28 Mb >5 | | *p| | | | | | | Engine Rebel 12 > +---+---+---+---+---+---+---+---+ Personality rebel.eng >4 | | | | | p | | | | anti-GM Off > +---+---+---+---+---+---+---+---+ Tactics Off >3 | p | | | p | | | | | Bluff Chess Off > +---+---+---+---+---+---+---+---+ Style Normal >2 | | | | | | | p | p | Strength Strongest > +---+---+---+---+---+---+---+---+ Search Nullmove >1 | | | | | | | K | | > +---+---+---+---+---+---+---+---+ > a b c d e f g h > >[D]8/pbB3kp/6p1/1p6/4P3/P2P4/6PP/6K1 b - - >Which engine can find the drawing move 37...b4!! (Rebel 12.00.02 DOS on >P4 1.8/28 MB hash presents the alternative 37...Ba6 38.d4 b4!!) > >[Event "?"] >[Site "?"] >[Date "??.??.????"] >[Round "?"] >[White "Pos 1"] >[Black "End 1"] >[Result "*"] >[WhiteElo "?"] >[BlackElo "?"] >[FEN "8/pbB3kp/6p1/1p6/4P3/P2P4/6PP/6K1 b - - 0 1"] > >1..* > >00:00:00 1.00 -3.13 1..Bxe4 2.dxe4 (2) (0.00) >00:00:00 1.01 -0.78 1..Kf6 (1) (0.00) >00:00:00 2.00 -0.88 1..Kf6 2.Kf2 (2) (0.00) >00:00:00 3.00 -0.88 1..Kf6 2.Kf2 Ke6 (3) (0.00) >00:00:00 4.00 -1.12 1..Kf6 2.Kf2 Ke6 3.Ke3 (4) (0.00) >00:00:00 5.00 -1.12 1..Kf6 2.Kf2 Ke6 3.Ke3 g5 (5) (0.00) >00:00:00 6.00 -1.23 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Bf4 (6) > (0.00) (0) > >00:00:00 7.00 -1.20 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Bf4 Ke6 > (7) (0.00) (0) > >00:00:00 8.00 -1.49 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Bf4 g5 > 5.Bxg5 Ke6 (9) (0.00) (0) > >00:00:00 9.00 -1.49 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Bf4 g5 > 5.Bxg5 Ke6 6.Kd4 (10) (0.00) (0) > >00:00:00 10.00 -1.52 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a5 > 5.Bc3 a4 6.d4 (10) (0.00) (0) > >00:00:01 11.00 -1.53 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 g5 > 5.h4 gxh4 6.d4 Ke6 7.Bf4 (12) (0.00) (0) > >00:00:02 12.00 -1.49 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 g5 > 5.g3 a6 6.d4 a5 7.h3 (12) (3.00) (1) > >00:00:05 13.00 -1.59 1..Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Ba5 g5 > 5.d4 (8) (2.67) (3) > >00:00:17 14.00 -1.68 1..Kf6 2.Kf2 Ke6 3.Ke3 Bc8 4.d4 Kd7 > 5.Bg3 Bb7 6.Be1 Bc8 7.Bb4 Ke6 8.d5 Ke5 > 9.Bc3 Kd6 10.Kd4 (18) (3.13) (7) > >00:00:30 14.14 -1.67 1..Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Bc4 5.Kf2 > a6 (9) (3.13) (21) > >00:00:57 15.00 -1.66 1..Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Bc4 5.Kf2 > (8) (3.28) (30) > >00:02:27 16.00 -1.66 1..Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Bc4 5.Kf2 > (8) (2.79) (69) > > >Positions : 251.060.013 >Nodes per second : 836.866 > >Extensions (checks) : 0 (0%) >Extensions (captures) : 0 (0%) >Extensions (king safety) : 0 (0%) >Extensions (on depth) : 0 (0%) >Extensions (remaining) : 0 (0%) >Extensions (total) : 0 (0%) > >Hash Table : 3.658.021 3.658.021 (99%) >Average depth : 17 >Deepest depth : 40 Fritz 8008 and Fritz 80023 find both 37...Ba6 and 37...b4 within seconds on an AMD Athlon XP 2600+ processor. 80023 gives ...b4 after 4 seconds with 1.25 then 1.09 at 55 seconds. 8008 is almost identical Brian
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