Author: Robert Hyatt
Date: 21:25:07 11/25/00
Go up one level in this thread
On November 25, 2000 at 18:22:05, Jim Monaghan wrote: >On November 25, 2000 at 16:29:32, James T. Walker wrote: > >>On November 25, 2000 at 13:51:34, Jim Monaghan wrote: >> >>>Hi, >>>I gave the following 1937 Chekover study to Crafty 17.14 and Little Goliath >>>2000v2.9a for 10 minutes each. White to play and win >>> >>>Crafty comes close and I'm sure given more time it would have cracked this ... >>>15-> 2:38 1.28 1. Kb2 Ng6 2. Kc3 Nh8 3. Kd4 Ng6 4. >>> Kc5 Nh8 5. Kd6 Ng6 6. Kc7 Nh8 7. Kd8 >>> Nf7+ 8. Ke7 Nh8 >>> 16 3:01 ++ 1. Kb2!! >>> >>>The surprise here to me is LG's poor showing: >>>15 124 48664 211726074 a1b2 h8f7 b2a1 f7h8 a1b2 h8f7 b2a1 >>>The engine is all at sea and does not have a clue. A good example of the >>>advantage of new parag..whatever vs bean counting. >>> >>>Cheers, >>>Jim >> >>What does the ++ by Crafty indicate? Is it just happy with Kb2 or has it found >>mate? Why does it only show 3:01? You said you gave it 10 minutes. >>Jim >It shows only 3 minutes 1 second because Crafty has not found an improvement in >the PV, so nothing extra is posted. I think the ++ means a significant advantage >in the line it's thinking about but it's not sure enough yet to post it. Is this >right Bob? >BTW the solution is 35 ply. >Jim Correct... ++ is a fail high. Which means the score is at least .3 or so better than the previous best, maybe even more...
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