13:17:29 OCT 23, 1983 Awit Advance ROUND 2. WORLD CCC, NEW YORK. REAL mins: 34 97 CPU secs: 1598 1 Amdahl 5860/2 EXPERIMENTAL AMS 2900 bit-s1ice c4 0B*E ( 1) E5 0B*E 24 Nb1-c3 0B*E ( 2) D6 0B*E 1B Ng1-f3 0B*E ( 3) NC6 0B*E337 d4 .39=E 32 ( 4) PXD4 .19=E256 Nf3xd4 .19=E 25 ( 5) NXD4 169=E298 Qxd4 .19=E 2B ( 6) NF6 .19=E131 Bf4 ? .69=E 42 ( 7) BE6 69-E239 O-O-O .19=E 3B ( B) BE7 .59-E121 Nd5 ? .6B=0 43 ( 9) BXD5 69-0195 c4xd5 .19=0 24 (10) QD7 .19-M189 e4 .19=0 35 (11) C5 199-M151 Qe3 29=0 51 (12) QA4 .19-M271 e5 .29=0 64 (13) PXE5 39-M 65 Qxe5 .19+0125 (14) NG4 #09 M300 Qc7 .13=0124 (15) NXF2 19=M216 Rd1-e1 .10=0137 (16) O-O 19=M 18 Rh1-g1 .18-M124 (17) BD8 .19+M185 Qd6 .23-M124 (18) BA5 .29=M 54 Be2 .13M286 Kxd2 12*M 42 (21) NE4+ .10$M 99 Kc1 13*M 38 (22) NXD6 .16$M551 Bxd6 .19*M 54 (23) QXA2 .19$M 80 Bf3 .19*M 37 (24) QA1+ .19$M206 Kd2 12*M 5 (25) QXB2+ 19$M214 Kd3 12*E 14 (26) C4+ .99>M223 Kxc4 1F*M (27) RA8-C8 F M109 Bc5 RESIGN 13*M 21 (28) QC2+ .18$M245 Kb4 RESIGN 13*E 11 (29) RE3 #97 M194 Re1xe3 .29*E 64 (30) QXC5+ 19$E 47 Ka4 RESIGN 12*E 17 (31) QD4+ .18$E279 Ka3 RESIGN 14*E 21 (32) :: Rb :: :: Kb :: Pb Pb :: :: Pb Pb Pb :: :: :: :: :: :: Pw :: :: :: Qb :: :: KW :: Rw Bw :: :: :: :: Pw Pw :: :: :: Rw OCT 23. OC2.4 BLACK'S MOVE 32. NODES 16304 TERMINAL 8109 DYNAMIC 1656 CAPTURE 6251 SALVAGE 2196 QUPLIC 354 RECLAIM 459 BRANCH 452506 DUP_TREE 915 REC_TREE 1548 BRAN_SCORED 335718 Commentary, 29 November 2009. The above listing was produced using ReadIris 7.0 on a scanned image (a TIFF file) from research notebook #31 (2004-58-33) period May 1983 - October 1983 There were many errors in the extracted text file and these were corrected by hand by comparison with the scanned image (the *.tif file). From the above listing we assume that EXPERIMENTAL mode means maxtree = 600 (workspace of 600 positions per move), search width (MAX_WIDTH) of 19 moves and search depth of up to 7-ply. In the above game Awit was never ahead. At move 14 it thought it had a slight advantage after playing Qxe5, since the statistics of ".19+O125". Two more moves, spcifically 19 and 29, by Black were not considered by Awit. Also, White's 27th move of Kxc4 is Forced (1F*M) and so no search of Black's moves were made ("F M109"). From move 28 onwards, Awit was offering to resign. Outcome Awit 0 Advance 1, in Round 2 of the 4th World Computer Chess Championship, New York 22-25 October 1983. mean slightly ahead (+) in Late Opening (O) after searching for 125 seconds. The move found was in position 1 of a 19-move width search (.19). But Black's reply of NG4 had not been examined (#) in the statistics "#09 M300", where Black searched for 300 seconds in a Middlegame (M) position.