EV 11000000 PART MATCH (14...Ne7), delta2 = 0.01 (match in 19-ply round). EV 11111111 FULL MATCH (15...Be6), delta = 0.25 EV 00000001 MAIN MATCH (16...h5), delta = -0.03 EV 01111111 MAIN MATCH (17...Bc4+), delta = 0.21 EV 11111111 FULL MATCH (18...Bg1), delta = 0.08 EV 11110101 MAIN MATCH (19...Bb6), delta = 0.21 EV 00000010 PART MATCH (20...Bf7), delta2 = +0.01 EV 00000000 NON-MATCH (21...Be3), delta2 = -0.04 EV 11110000 PART MATCH (22...Bc5), delta2 = +0.06 EV 11111111 FULL MATCH (23...Bd6), delta = 0.33 EV 00000101 MAIN MATCH (24...f5), delta = 0.09 EV 11111111 FULL MATCH (25...Nxf5), delta = 0.52 EV 00000000 NON-MATCH (26...Ne7), delta2 = -0.09 EV 00000111 MAIN MATCH (27...Rde8), delta = 0.19 EV 00001111 MAIN MATCH (28...Rhf8), delta = 0.00 EV 11101010 PART MATCH (29...Bg6), delta2 = -0.14 EV 11111111 FULL MATCH (30...Nc6), delta = 0.37 EV 11111111 FULL MATCH (31...Be7), delta = 0.19 EV 11110110 PART MATCH (32...Bf7), delta2 = -0.14 EV 00000000 NON-MATCH (33...Rg8), delta2 = -0.36 EV 11111111 FULL MATCH (34...Bd8), delta = 0.37 EV 11111111 FULL MATCH (35...g5), delta = 0.30 EV 11111111 FULL MATCH (36...Bxg5, clear), delta = 1.53 EV 11111111 FULL MATCH (37...Bh6), delta = 0.22 EV 11111111 FULL MATCH (38...Bg6), delta = -0.05 EV 11111111 FULL MATCH (39...Ne5), delta = 0.62 EV 11111111 FULL MATCH (40...Nd3, "obvious"), delta = 0.56 EV 11111111 FULL MATCH (41...Bxe8), delta = 0.21 EV 11111111 FULL MATCH (42...Bf8), delta = 1.25 EV 11111111 FULL MATCH (43...Nxb2, fairly obvious), delta = 0.46 EV 11111111 FULL MATCH (44...Bg6), delta = 0.33 EV 11111111 FULL MATCH (45...Bxe7, forced), delta = 6.44 EV 11111111 FULL MATCH (46...Re8), delta = 0.31 EV 11111111 FULL MATCH (47...Bb1), delta = 0.16 EV 11111111 FULL MATCH (48...Re1+), delta = 0.19 EV 11111111 FULL MATCH (49...b6), delta = 0.32 EV 11111111 FULL MATCH (50...c5, basically forced), delta = 0.88 EV 11111111 FULL MATCH (51...Nc4), delta = 0.57 EV 11111111 FULL MATCH (52...Nxe5, clear), delta = 1.45 EV 11111111 FULL MATCH (53...Rxe5), delta = 1.31 EV 00000000 NON-MATCH (54...Kb7), delta2 = 0.00 EV 11111111 FULL MATCH (55...Bxa2), delta = -0.03 EV 00100000 PART MATCH (56...Kc6, tie!), delta2 = 0.00 EV 11111111 FULL MATCH (57...Re7), delta = 0.30 EV 11111111 FULL MATCH (58...Rc7, clear), delta = 2.29 EV 11111111 FULL MATCH (59...Kb5, forced!), delta = 6.86 EV 11111111 FULL MATCH (60...Bb1), delta = 0.00 EV 11111111 FULL MATCH (61...Ka5), delta = 2.64 48 moves 32 full matches, including 20 in a row for moves 34--53. 6 main matches, i.e. matches at higher ply depth in the tested range 6 part matches, i.e. only at lower ply depths (2 at 17 ply, though) 4 non-matches 37/48 matches at 11 ply 38 at 12 ply 38 at 13 ply 36 at 14 ply 35 at 15 ply 38 at 16 ply 38 at 17 ply 39 at 18 ply (i.e., at 19/19) Results sorted by delta/delta2 and grouped by significance: EV 11111111 FULL MATCH (59...Kb5, forced!), delta = 6.86 EV 11111111 FULL MATCH (45...Bxe7, forced), delta = 6.44 EV 11111111 FULL MATCH (61...Ka5), delta = 2.64 EV 11111111 FULL MATCH (58...Rc7, clear), delta = 2.29 EV 11111111 FULL MATCH (36...Bxg5, clear), delta = 1.53 EV 11111111 FULL MATCH (52...Nxe5, clear), delta = 1.45 EV 11111111 FULL MATCH (53...Rxe5), delta = 1.31 EV 11111111 FULL MATCH (42...Bf8), delta = 1.25 EV 11111111 FULL MATCH (50...c5, basically forced), delta = 0.88 EV 11111111 FULL MATCH (39...Ne5), delta = 0.62 EV 11111111 FULL MATCH (51...Nc4), delta = 0.57 EV 11111111 FULL MATCH (40...Nd3, "obvious"), delta = 0.56 EV 11111111 FULL MATCH (25...Nxf5), delta = 0.52 EV 11111111 FULL MATCH (43...Nxb2, fairly obvious), delta = 0.46 EV 11111111 FULL MATCH (34...Bd8), delta = 0.37 EV 11111111 FULL MATCH (30...Nc6), delta = 0.37 EV 11111111 FULL MATCH (44...Bg6), delta = 0.33 EV 11111111 FULL MATCH (23...Bd6), delta = 0.33 EV 11111111 FULL MATCH (49...b6), delta = 0.32 EV 11111111 FULL MATCH (46...Re8), delta = 0.31 EV 11111111 FULL MATCH (57...Re7), delta = 0.30 EV 11111111 FULL MATCH (35...g5), delta = 0.30 EV 11111111 FULL MATCH (15...Be6), delta = 0.25 EV 11111111 FULL MATCH (37...Bh6), delta = 0.22 EV 11111111 FULL MATCH (41...Bxe8), delta = 0.21 EV 11110101 MAIN MATCH (19...Bb6), delta = 0.21 EV 01111111 MAIN MATCH (17...Bc4+), delta = 0.21 EV 11111111 FULL MATCH (48...Re1+), delta = 0.19 EV 11111111 FULL MATCH (31...Be7), delta = 0.19 EV 00000111 MAIN MATCH (27...Rde8), delta = 0.19 EV 11111111 FULL MATCH (47...Bb1), delta = 0.16 EV 00000101 MAIN MATCH (24...f5), delta = 0.09 EV 11111111 FULL MATCH (18...Bg1), delta = 0.08 EV 11111111 FULL MATCH (60...Bb1), delta = 0.00 EV 00001111 MAIN MATCH (28...Rhf8), delta = 0.00 EV 11111111 FULL MATCH (55...Bxa2), delta = -0.03 EV 11111111 FULL MATCH (38...Bg6), delta = -0.05 EV 00000010 PART MATCH (20...Bf7), delta2 = +0.01 EV 00100000 PART MATCH (56...Kc6, tie!), delta2 = 0.00 EV 11000000 PART MATCH (14...Ne7), delta2 = 0.01 (match in 19-ply round). EV 11110000 PART MATCH (22...Bc5), delta2 = +0.06 EV 00000001 MAIN MATCH (16...h5), delta = -0.03 EV 11110110 PART MATCH (32...Bf7), delta2 = -0.14 EV 11101010 PART MATCH (29...Bg6), delta2 = -0.14 EV 00000000 NON-MATCH (54...Kb7), delta2 = 0.00 EV 00000000 NON-MATCH (21...Be3), delta2 = -0.04 EV 00000000 NON-MATCH (26...Ne7), delta2 = -0.09 EV 00000000 NON-MATCH (33...Rg8), delta2 = -0.36 Discounting 9-from-48 obviously forced moves, we have: 28/39 significant full or main matches 35/39 moves that could well have been matches, considering depth 17-19. Only 4 clear non-matches, even one of those a tie. This again looks like a significant information gain. KWR, tabulation done 5/24/07