Author: Mike Byrne
Date: 20:02:19 11/23/03
Go up one level in this thread
On November 23, 2003 at 22:41:36, Robert Hyatt wrote: >On November 23, 2003 at 22:33:00, Mike Byrne wrote: > >>On November 23, 2003 at 22:28:21, Robert Hyatt wrote: >> >>>On November 23, 2003 at 22:25:05, Mike Byrne wrote: >>> >>>>hard for humans... >>>> >>>>Kortchnoi-Karpov Merano,1981 >>>> >>>>[d]5rk1/1p3qp1/p3p1p1/3p4/1b1P2Q1/P2B1nBP/1P2R1K1/8 b - - 0 29 >>>> >>>>Karpov played Be7 and lost the game - find the best move (to draw) and then >>>>compare to your computer -Shredder and Rebel 12 find it very easily. >>> >>>Nh4+??? >>> >>>takes my laptop and Crafty no time at all (< .1 seconds) to find >>>this... >> >>Correct!! does Crafty 19.04 find it as quickly ?- both my modified and >>original versions took some time > 1 minute? > > >Here is 19.5, which should match 19.4 exactly: > > 5 0.02 -- 1. ... Bd2 > 5 0.02 0.10 1. ... Bd2 2. Bxg6 Qd7 3. Rf2 Ne1+ > 4. Kg1 Rxf2 5. Bxf2 > 5 0.04 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 5 0.06 -0.02 1. ... Ba5 2. Bxg6 Qf6 3. Rxe6 Qxd4 > 5-> 0.06 -0.02 1. ... Ba5 2. Bxg6 Qf6 3. Rxe6 Qxd4 > 6 0.08 0.11 1. ... Ba5 2. Re3 Nd2 3. Rxe6 Qf3+ > 4. Qxf3 Nxf3 5. Re7 Nxd4 6. Rxb7 > 6 0.09 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 6-> 0.15 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 7 0.26 0.00 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kh1 Ba5 > 4. Bd6 Rc8 5. Rxe6 Nxd4 6. Rxg6 > 7-> 0.39 0.00 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kh1 Ba5 > 4. Bd6 Rc8 5. Rxe6 Nxd4 6. Rxg6 > 8 0.55 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 8-> 0.83 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 9 1.21 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 9-> 1.90 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 10 2.79 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 10-> 4.82 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 11 6.63 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 11-> 13.13 -0.01 1. ... Nh4+ 2. Kh2 Nf3+ 3. Kg2 > 12 15.01 1/35* 1. ... Nh4+ > > >Are you in "play mode" or "analysis mode"? > >I always test in "play mode" to show what crafty would do in a real >game in that exact position.` learn something new everyday - when i switch to play mode (unde F8 GUI) it plays Nh4 very quickly... Byrne,M - Crafty 19.04 ORI 5rk1/1p3qp1/p3p1p1/3p4/1b1P2Q1/P2B1nBP/1P2R1K1/8 b - - 0 1 Analysis by Crafty 19.04 SE: 29...Bd2 30.Bxg6 Qf6 31.Rxe6 Qxd4 ³ (-0.44) Depth: 4 00:00:00 29...Bd2 30.Bxg6 Qd7 31.Rf2 Ne1+ 32.Kg1 Rxf2 33.Bxf2 = (0.10) Depth: 5 00:00:00 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 5 00:00:00 29...Ba5 30.Bxg6 Qf6 31.Rxe6 Qxd4 = (-0.02) Depth: 5 00:00:00 29...Ba5 30.Bxg6 Qf6 31.Rxe6 Qxd4 = (-0.02) Depth: 5 00:00:00 29...Ba5 30.Re3 Nd2 31.Rxe6 Qf3+ 32.Qxf3 Nxf3 33.Re7 Nxd4 34.Rxb7 = (0.11) Depth: 6 00:00:00 104kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 6 00:00:00 132kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 6 00:00:00 188kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 7 00:00:00 261kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 7 00:00:01 421kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 8 00:00:01 564kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 8 00:00:01 938kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 9 00:00:02 1417kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 9 00:00:03 2294kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 10 00:00:04 3231kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 10 00:00:07 5151kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 11 00:00:09 6731kN 29...Nh4+ 30.Kh2 Nf3+ 31.Kg2 = (0.00) Depth: 11 00:00:16 12345kN (Byrne, Secane, PA USA 23.11.2003)
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