Author: Geoff
Date: 06:04:58 08/30/03
Go up one level in this thread
On August 30, 2003 at 08:40:19, Uri Blass wrote: >On August 30, 2003 at 08:18:41, Geoff wrote: > >>Hi >> >>My program just "excelled" itself with my favourite worst ever move. >>This shambles wasn't due to an obvious bug as such, more just to lack of search >>depth. Here is the position >> >>[D]2r3k1/1b2n1bp/p2N4/1p6/6Q1/1P6/1PqN1PPP/R5K1 b - - 0 30 >> >>My program was playing black, my opponent offered me 2 tempting hung pieces >>adjacent to my queen. My program avoided the knight capture, but couldn't resist >>gobbling up the white pawn on b2. >>Can you see the outcome of this move just be looking at the position? I couldnt >>really see it, but most computer analysis will show it very quickly. >>Hint: I got smothered, very elegantly !! > >Yes >This idea is a known idea for chess player and I guess that even most players >with rating 1600 will have no problem to see it. > > >> >>The other reason I found this quite amusing was the opponent that trapped me >>into this blunder. Was it Shredder?, Junior?, Fritz? , nope just humble old TSCP >>:-) >> >>Anyone else got a favorite clanger that wasn't due to just an obvious bug ? >> >> Regards Geoff > >I can only tell you that if my program does not find something simple like that >in less than 0.1 second then it is a clear proof that it has bugs or problems >that I need to fix. > >Uri Hi Uri I would be interested to see how long it takes and how many nodes before your program avoid either b2 or b4 ? Could you post some output please ? Yes I know its not very good, but here is my current version's output Ply Eval Time Nodes Principle Variation 1: 183 0 171 c2b2 2: 178 0 823 c2b2 a1d1 3: 172 0 3620 c2b2 g4e6 g8h8 4: 167 1 12755 c2b2 g4e6 g8h8 a1d1 5: 155 6 46465 c2b2 g4e6 g8h8 a1e1 c8c1 d6b7 b2d2 6: 155 12 114778 c2b2 7: 20 65 603463 c2d2 g4e6 g8h8 d6f7 h8g8 f7d6 8: 20 106 963192 c2d2 g4e6 g8h8 d6f7 h8g8 f7d6 9: 20 218 2071857 c2d2 g4e6 g8h8 d6f7 h8g8 f7d6 10: 20 435 4045469 c2d2 g4e6 g8h8 d6f7 h8g8 f7d6 11: 20 2267 21624492 c8c7 g4e6 g8h8 d6f7 h8g8 f7d6
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