I cannot see here a BUG on my Core 2 Duo 2.66 GHz, and with my own Settings (e2) under the Shredder 10.1 GUI:
[ENGINE]
Name=Toga II 1.4.1SE T2e2
Author=Thomas Gaksch and Fabien Letouzey
Filename=C:\Programme\ShredderChess\Shredder 10 UCI\Engines\TogaIIv1.4.1SE\toga141se-2cpu.exe
[OPTIONS]
Verification Reduction=4
Toga Lazy Eval Margin=225
Toga King Safety Margin=1300
[d]5r1k/3r1p1p/p1p2R2/1q2p3/p3P1Q1/2P4P/1P4P1/5R1K b - -
Engine: Toga II 1.4.1SE T2e2 (256 MB)
von Thomas Gaksch and Fabien Letouzey
1/04 0:00 +4.19 1...Dxb2 2.Dxd7 (46)
1/08 0:00 +3.10 1...a3 2.Dxd7 axb2 (66)
1/09 0:00 +0.33 1...Dd3 (90)
1/09 0:00 -0.35 1...Td2 (191)
2/15 0:00 -0.86 1...Td2 2.T1f2 Dxb2 3.Txd2 Dxd2
4.Txc6 (1.063)
3/15 0:00 -0.81 1...Td2 2.Tb1 Tg8 (1.638)
4/23 0:00 -0.86 1...Td2 2.T1f2 Dxb2 3.Txd2 Dxd2
4.Txc6 (8.092)
5/23 0:00 -0.87 1...Td2 2.T1f2 Dxb2 3.Txd2 Dxd2
4.Txc6 De1+ 5.Kh2 Tg8 (10.792)
6/23 0:00 -0.27 1...Td2 2.Dh5 Txb2 3.Dh6 Dc5 4.Txc6 De7
5.Txa6 (20.360)
7/23 0:00 +0.11 1...Td2 2.Dg5 Txb2 3.Dh6 Dc5 4.Tg6 Tg8
5.Txf7 (34.922)
7/20 0:00 0.00 1...Td2 2.Dg5 Txb2 3.Dh6 Kg8 4.Dg5+ Kh8 (26.832)
8/30 0:00 +0.07 1...Td2 2.Dg5 Td7 3.Dh6 Tdd8 4.Tb1 (57.402)
9/30 0:00 +0.54 1...Td2 2.Dg5 Txb2 3.Dh6 Dc5 4.Txc6 De7
5.Tc7 Dd8 6.Tfxf7 Txf7 7.Txf7 (107.759)
10/43 0:00 +0.56 1...Td2 2.Dh4 a3 3.Dh6 Tdd8 4.bxa3 Dc4
5.Dg5 Dxe4 6.Txf7 Txf7 7.Txf7 (362.006)
10/42 0:00 +0.51 1...Tb7 2.Dh5 Dxb2 3.Dxe5 Tb5 4.De7 Tg8
5.T6f2 Dxc3 6.Txf7 (420.071)
11/42 0:00 +0.57 1...Tb7 2.Dh5 Dxb2 3.Dxe5 Tb5 4.De7 Tg8
5.T6f2 Dxc3 6.Txf7 Th5 7.h4 a3 8.Td1 (570.641)
11/43 0:00 +0.52 1...Td2 2.Dh4 Dc4 3.Dh6 Tdd8 4.Kh2 a3
5.bxa3 Tb8 6.Tb1 (709.565)
12/43 0:00 +0.65 1...Td2 2.Dh4 Dc4 3.Dh6 Tdd8 4.Te1 Dc5
5.Kh2 De7 6.Txc6 Tg8 7.Df6+ Dxf6
8.Txf6 (1.012.757)
13/43 0:02 +1.62 1...Td2 2.Df5 De2 3.Tg1 Td1 4.Txd1 Dxd1+
5.Kh2 Dd2 6.Dxe5 Kg8 7.c4 Td8 8.Txc6 (2.300.822) 2200
13/42 0:02 +1.61 1...Td2 2.Df5 De2 3.Tg1 Td1 4.Txd1 Dxd1+
5.Kh2 Dd2 6.Dxe5 Kg8 7.c4 Tc8 8.De7 (2.194.880) 2200
13/42 0:02 +0.73 1...Tb7 2.Dh5 Dxb2 3.Dxe5 Tb5 4.Dd4 Kg8
5.T6f2 Db3 6.Tf3 Tg5 7.Tf6 (2.761.066) 2200
14/43 0:04 +0.91 1...Db7 2.Df5 Tg8 3.g4 Dc7 4.Txf7 Txf7
5.Dxf7 Dxf7 6.Txf7 Tb8 7.Tf2 Kg7
8.Kg2 Td8 9.Kg3 (5.001.186) 2171
14/43 0:05 +0.86 1...Tb7 2.Dh5 a3 3.bxa3 Tg8 4.Kh2 Db2
5.Df3 Tc7 6.Td6 f5 7.exf5 Tcg7 (6.070.799) 2168
15/47 0:07 +0.93 1...Db7 2.Df5 Tg8 3.g4 Dc7 4.Txf7 Txf7
5.Dxf7 Dxf7 6.Txf7 Tb8 7.Tf2 Kg7
8.Kg2 Td8 9.c4 Kg6 (8.494.679) 2171
15/47 0:09 +0.89 1...Dd3 2.Df5 Tg8 3.Tg1 Tg6 4.Dxe5 Kg8
5.De8+ Kg7 6.Tf2 Dd6 7.Te1 De6 8.Db8 Dd6
9.Dc8 (10.844.910) 2171
16/51 0:19 +0.77 1...Dd3 2.Dh4 Dc4 3.T1f5 Tg8 4.Th5 Tg7
5.Txe5 Td8 6.Tf2 Tdg8 7.Kh2 a3
8.bxa3 Dxc3 9.Te7 Tf8 10.Tf6 (20.989.866) 2181
17/51 0:26 +0.84 1...Dd3 2.Dh4 Dc4 3.T1f5 Tg8 4.Th5 Tg7
5.Txe5 Td8 6.Tf2 Tdg8 7.Kh2 a3
8.bxa3 Dxc3 9.Te7 Dxa3 10.Texf7 Dd6+
11.Kh1 Txf7 12.Txf7 (28.750.283) 2190
18/53 0:43 +0.99 1...Dd3 2.Df5 Tg8 3.Tf2 Db1+ 4.Kh2 Td1
5.g4 Th1+ 6.Kg3 De1 7.Txf7 De3+
8.Df3 Dxf3+ 9.T2xf3 Tb1 10.Tf2 Tb8
11.Tf8+ Txf8 12.Txf8+ Kg7 13.Tf2 Td1
14.g5 (48.202.215) 2208
18/65 1:06 +0.80 1...Db7 2.Df5 Tg8 3.g4 Dc7 4.Txf7 Txf7
5.Dxf7 Dxf7 6.Txf7 Tb8 7.Tf2 Td8
8.Kg2 Kg7 9.h4 Kg6 10.Kf1 c5 11.g5 (73.085.395) 2204
18/61 1:06 +0.67 1...Db7 2.Df5 Tg8 3.g4 Dc7 4.Txf7 Txf7
5.Dxf7 Dxf7 6.Txf7 Tb8 7.Tf2 Tb3
8.Kg2 Kg7 9.Td2 a3 10.bxa3 Txc3
11.Td7+ Kf6 12.a4 h6 (72.569.687) 2204
19/61 1:45 +0.95 1...Db7 2.Dh4 Tg8 3.T6f5 Tg7 4.Df6 Db8
5.Tg5 Df8 6.Dxe5 Td2 7.c4 Kg8 8.h4 h6
9.Txg7+ Dxg7 10.De8+ Df8 11.Dxc6 Txb2
12.Dxa4 De7 13.Tf4 (115.883.545) 2210
20/65 2:50 +0.96 1...Db7 2.Dh4 Tg8 3.T6f5 Tg7 4.Df6 Db8
5.Tg5 Df8 6.Dxe5 Td2 7.c4 Kg8
8.Txg7+ Dxg7 9.De8+ Df8 10.Dxc6 Txb2
11.Dxa4 De7 12.Dc6 De6 13.Da8+ Kg7 (188.492.977) 2211
No Qxb2.