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Subject: Bizarre moves with tablebases

Author: Pierre Bourget

Date: 16:34:37 02/22/02


In this game black was winning but it seems that the tablebases spoil everything
in the end .How do you explain that ? Is it possible to correct what is wrong ?
Thanks.

Pierre

Shredder 6 - Fritz 7 [E48]
Athlon XP, Blitz:10'+2" Athlon XP (4), 22.02.2002

W=12.1 ply; 336kN/s; 6 716 TBAs
B=14.7 ply; 757kN/s; 183 TBAs
 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 c5 6.Nge2 d5 7.cxd5 cxd4 8.exd4 Nxd5
9.0-0 Nc6 10.Qc2  0.38/11  42  h6  0.09/12  40  11.a3  0.36/11  30  Bd6 (Fe7)
-0.09/11  37  12.Be3 (Cxd5)  0.38/11  28  12...Re8 (Dc7)  -0.06/11  28  13.Bh7+
(Tac1)  0.38/10  21  13...Kh8  -0.19/12  14  14.Be4  0.38/10  21  Qh4  -0.09/11
34  15.h3 (g3)  0.11/10  18  15...Nce7 (Cf6)  -0.25/11  19  16.Qb3 (Ff3)
0.27/11  27  16...Rd8 (b6)  -0.13/10  10  17.Rac1  0.34/10  16  a6 (b6)
-0.03/11  30  18.Nxd5  0.48/11  21  Nxd5 (Dxe4)  -0.06/10  2  19.Bxd5  0.66/9  2
 exd5  0.00/11  5  20.Qb6 (Tfe1)  0.49/11  22  20...a5 (Fxh3)  0.03/12  20
21.Qb5 (Tfe1)  0.42/11  43  21...a4 (Df6)  -0.03/11  10  22.Rfe1  0.22/11  24
Bd7 (Rg8)  -0.16/12  16  23.Qxb7  0.00/12  20  Rab8  -0.59/12  13  24.Qa6 (Dxd5)
 0.34/11  18  24...Qf6  -0.75/12  19  25.Qa5 (Rf1)  -0.31/11  12  25...Rxb2
-0.84/12  20  26.Ra1  -0.78/11  1:03  Re8 (Rg8)  -0.88/11  19  27.Qxd5 (Tab1)
-0.61/10  5  27...Bc6 (Tb5)  -0.81/10  6  28.Qa5 (Dh5)  -2.78/11  59  28...Bb5
(Txe3)  -2.31/10  5  29.Rab1  -2.04/9  15  Rxb1  -2.38/11  3  30.Rxb1  -2.05/11
4  Bxe2  -2.38/11  4  31.Qxa4  -2.11/11  9  Rc8 (Te7)  -2.47/12  12  32.Rc1
-1.87/10  2  Rxc1+ (Td8)  -2.47/13  14  33.Bxc1  -1.95/10  1  Qe7 (Fd3)
-2.47/12  6  34.Qa5 (Fe3)  -1.67/9  9  34...Ba6 (Rh7)  -2.66/12  10  35.Kh1 (f3)
 -2.44/10  17  35...Bb7 (Rh7)  -2.88/12  8  36.Be3  -3.42/11  34  Bxa3  -3.19/12
 8  37.Bf4 (De5)  -3.48/10  6  37...Bb2 (De4)  -3.72/12  6  38.Qe5  -3.63/10  6
Qd7  -3.78/13  8  39.Qb8+ (Rh2)  -3.67/11  4  39...Kh7  -3.81/14  6  40.f3
-3.80/12  8  Bxd4  -3.84/13  8  41.Kh2 (Fe5)  -4.19/10  5  41...Qf5 (De7)
-4.03/12  10  42.Qd6 (Dc7)  -4.04/9  4  42...Bd5  -4.38/12  7  43.h4  -4.58/11
5  g5  -4.38/12  7  44.Bg3  -4.86/10  3  gxh4 (g4)  -4.41/12  7  45.Bf4  -4.64/9
 1  Bf6 (f6)  -5.53/12  8  46.Qb4  -6.03/10  13  h3  -5.69/11  3  47.gxh3 (Dd2)
-6.29/9  11  47...Qd3 (Fe5)  -10.72/10  1  48.Qd2  -14.44/10  17  Qxf3
-12.13/12  2  49.Qxd5  -14.81/10  2  Qxd5  -15.56/11  3  50.h4  -#26/9  3  Be5
-15.84/10  1  51.Bxe5  -#25/9  0  Qxe5+  -#25/8  0  52.Kg2  -#23/9  1  Qg3+
(Rg6)  -#24/7  0  53.Kxg3  -#23/99  0  Kg6 (f6)  -#23/1  0  54.Kf4  -#22/1  0
Kf6 (Rh5)  -#22/1  0  55.Ke4  -#21/1  0  Ke6  -#21/1  0  56.h5  -#20/1  0  f5+
-#20/1  0  57.Kf4  -#19/1  0  Kf6  -#19/1  0  58.Kf3  -#19/1  0  Kg5  -#18/1  0
59.Kg3  -#18/1  0  f4+  -#18/6  0  60.Kf3  -#18/1  0  Kf5  -#17/6  0  61.Kf2
-#17/1  0  Kg4  -#16/1  0  62.Kg2  -#16/1  0  Kh4  -#17/6  0  63.Kf3  -#17/1  0
Kg5  -#16/6  0  64.Ke2 (Rf2)  -#15/1  0  64...Kg4 (Rxh5)  -#15/6  0  65.Kf2
-#15/1  0  f3  -#14/6  0  66.Kf1 (Rg1)  -#14/1  0  66...Kh4  -#15/6  0  67.Kf2
-#15/1  0  Kg5  0.00/47  0  68.Kg3 (Rxf3)  -0.01/4  0  68...f2 (Rf5)  0.00/47  0
 69.Kxf2  -0.34/4  0  Kf4  0.00/47  0  70.Kg2 (Re2)  0.00/30  1  70...Kg4
0.00/47  1  71.Kf2  0.00/31  2  Kf5  0.00/47  1  72.Kf3 (Re3)  0.00/39  2
72...Ke5 (Rg5)  0.00/47  0  73.Kg4 (Re3)  0.00/42  4  73...Ke4  0.00/47  0
74.Kg3  0.00/44  4  Ke3 (Rf5) Nulle acceptée  0.00/47  0  ½-½




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