Author: Robert Hyatt
Date: 19:41:36 11/23/03
Go up one level in this thread
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.
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