1.e4
c5
2.Cf3
Cc6
3.d4
cxd4
4.Cxd4
g6
5.c4
Cf6
6.Cc3
d6
7.Cc2
Ag7
8.Ae2
0-0
9.0-0
Cd7
10.Ad2
Cc5
11.b4
Cd7
12.Tb1
b6
13.f4
Ab7
14.Rh1
Tc8
15.Ad3
e6
16.De1
De7
17.Df2
Cf6
18.a4
Tfd8
19.Tfe1
Dd7
20.Af1
d5
21.cxd5
exd5
22.e5
Cg4
23.Dg3
d4
24.Cb5
Ccxe5
25.fxe5
Txc2
26.Tbd1
De6
27.h3
a6
28.Ca3
Txd2
[With 28...Cf2+!
29.Dxf2
Dxh3+
30.Rg1
Dxa3-+
Black could have crowned his powerful play.]
29.Txd2
Cxe5
30.Cc4
f6
31.Dh4
Td7
32.Rg1
g5?!
Black starts to run with the wrong pawn. [No worries whatsoever he would have after 32...f5!
for instance 33.Cxe5
Axe5
34.Ad3
(34.Tde2
Ae4
) 34...Rg7
35.Tde2
Df6!
]
33.Df2
g4
34.Cxe5
g3
This intermediate move to deflect the enemy queen could have cost Black dearly - answer C) - since White can conquer the pawn anyway.
35.Dxg3
[Immediately decisive would have been 35.Dxd4!!
Txd4
36.Txd4
and Black gets grilled on the diagonal c4-g8, for instance 36...Ad5
(36...fxe5
37.Ac4
) 37.Txd5!
fxe5
38.Ac4
]
35...fxe5
Now Black's disadvantage is kept within limits.
36.Ad3
Tf7
[36...Rh8!?
]
37.Dh4
Dh6
38.Dxh6
Axh6
39.Tde2
Tg7?
[The best chance was to play the endgame with minus pawn after 39...Rg7
40.Txe5
Ae3+
41.T1xe3
dxe3
42.Txe3
]
40.Ac4+
Rf8
41.Tf2+
Af4
42.Txe5
Txg2+
43.Txg2
Axe5
44.Tf2+
and after ... Ke8 45.Re2 or ...Kg7 45.Rf7+ one of the black bishops drops. 1-0