Author: Ernst A. Heinz
Date: 16:55:57 01/11/00
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>Yes, exactly. Notice how the score is steadily dropping. The supercomputer
>came up with about half that number:
>
>r1bq1r1k/p4Ppp/1p3n2/2p1n3/2B5/2P1PN2/P3QPPP/R1B2RK1 b - - bm Bg4; ce -28;
>
>Which is much more in line with what would be expected from theory (the >position
>is about even for a frequently played opening position). We will see this
>behavior all the time for gambit type openings. It takes the computer a long
>time to see the benefits (if it ever does).
Well, not so fast ... :-)
"DarkThought WCCC'99" on a 500MHz Compaq Alpha-21264 XP1000 sees its score
steadily climbing and evaluates the position as -0.25 in iteration no. 15
after just 35 minutes (see output below).
00:00:14 10.02 Bg4 Rd1 Qc7 Bb3 c4 Bc2 Bxf3 a4 >=-102! (-0.80) #4861868
00:00:36 11.01 Bg4 Rd1 Qc7 Bb3 c4 Bc2 Rxf7 Ba3 Bxf3 gxf3 =-89 (-0.70) #12185819
00:02:04 12.01 Bg4 e4 Qe7 Bb3 Nxf7 Re1 Ne5 Kh1 Bxf3 h4 =-76 (-0.59) #40848442
00:04:59 13.01 Bg4 e4 Qe7 Bb3 Nxf7 Re1 Ne5 Bf4 Bxf3 gxf3 =-65 (-0.51) #97842266
00:12:55 14.01 Bg4 e4 Qe7 Re1 Bxf3 gxf3 Qd7 Rd1 Qh3 Bf4 =-55 (-0.43) #249599351
00:35:27 15.01 Bg4 e4 Nh5 Bd5 Bxf3 gxf3 Ng6 Qc4 Nhf4 Bxf4 =-32 (-0.25)
#691447290
=Ernst=
P.S.
WWW pages of "DarkThought" at http://supertech.lcs.mit.edu/~heinz/dt/.
"Scalable Search in Computer Chess" now at Amazon.de and MKP online.
http://www.amazon.de/exec/obidos/ASIN/3528057327/
http://www.mkp.com/books_catalog/3-52805-732-7.asp :-)
Visit http://supertech.lcs.mit.edu/~heinz/node1.html for more
information about the book.
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