Author: Jason Williamson
Date: 19:11:55 12/11/00
Go up one level in this thread
On December 11, 2000 at 16:06:07, John Merlino wrote: >On December 11, 2000 at 14:52:28, William Penn wrote: > >>The signs of scores are confused in CM8000. Previously it was confirmed there >>is a problem with omitting the minus sign when the score number is in the range >>of -0.01 to -0.99. Now, here is an example of the signs being wrong when the >>score number is larger than 1.00. >> >>BR -- -- BQ BK -- BN BR >>-- BP BP BB -- -- -- -- >>-- BB -- -- BP BP -- BP >>BP WP -- BP WP -- BP -- >>WP -- -- WP -- -- -- WN >>-- WN WP WB -- -- -- WP >>-- -- -- -- -- WP WP -- >>WR -- WB WQ WR -- WK -- >> >>White: a custom personality Black: human Black to move >> >>if Chessmaster box checked in Thinking Lines window >>Time Depth Score Positions Moves >>0:07 7 5.25 210887 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 Qc2 >>0:27 8 5.01 716123 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 Qd2 >>1:11 9 5.46 2169809 h5 Ng6 Rh6 Bxg5 fxg5 Qf3 Bxb5 Bxb5+ ... >>3:46 10 5.71 7208736 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 h4 ... >>21:56 11 6.15 42116395 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 Nf3 ... >> >>if White box checked in Thinking Lines window >>Time Depth Score Positions Moves >>0:04 7 -5.25 210887 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 Qc2 >>0:13 8 -5.01 716123 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 Qd2 >>0:35 9 -5.46 2169809 h5 Ng6 Rh6 Bxg5 fxg5 Qf3 Bxb5 Bxb5+ ... >>1:52 10 -5.71 7208736 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 h4 ... >>10:49 11 -6.15 42116395 h5 Ng6 Rh7 exf6 Qxf6 Ne5 Rh6 Nf3 ... >> >>Everything is the same in these two charts except the signs of the scores and >>the times. That's because the custom personality is identical to Chessmaster, >>just with a different name. The first chart takes twice as much time because >>another engine was running in the background, unknown to me (inadvertently, i.e. >>that's another major problem with CM8000!?). >> >>Although it would be possible to define a special protocol to make these results >>acceptable, that would complicate things unnecessarily, and will cause mass >>confusion because it departs from what almost everyone expects. Again, the >>standard protocol is that the score is positive when white has an advantage, and >>is negative when black has an advantage -- independent of who has the move. It >>should also be independent of which box(es) is checked in the Thinking Lines >>window! >> >>Obviously white is winning in this position, so the signs of the scores should >>be positive in all cases. >>WP > >I cannot duplicate this. How are you setting up a position with Black to move, >and then clicking on the White checkbox and getting output? The White engine >should not start thinking (in this instance) until it is its turn to move? Could >you give the full move list that arrived at this position? > >Also, it should be noted that the bug involving negative scores less than -1.00 >has been found and fixed. Thanks again for your assitance, > >jm heh this is pretty standard now, I mean, having all these bugs fixed by the fans so quickly. Bethsoda released a game called Sea Dogs recently, that had a boat load of bugs (pun intended). Over the next week, their message board basicly was the beta test forum. ;) JW
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