1.d4
Nf6
2.c4
g6
3.Nc3
Bg7
4.e4
d6
5.Bg5
0-0
6.Be2
c5
7.d5
a6
8.a4
h6
9.Be3
e6
10.Nf3
exd5
11.cxd5
Bg4N
A new move here, but the position with Black's pawn still on h7 has occurred quite a few times.
12.Nd2
Bxe2
13.Qxe2
Re8
14.0-0
Nbd7
15.h3
Nh5N
The joy of transpositions allow us to have a second novelty in this game. Anyway, from this point White is engaged in two typical elements of anti-Benoni play. The first is to slowly restrain Black's play and all the tricks characteristic of that opening. The second is to prepare the thematic breakthrough with e5. And he succeeds!
16.a5
Rb8
17.Ra4
Ne5
18.Kh2
Qe7
19.g3
Nd7
20.Kg2
Kh7
21.Qd1
Kg8
22.Qc2
Rbc8
23.Re1
Kh7
24.f4
Qd8
25.Nf3
Rb8
26.g4
Nhf6
27.Bf2
Ng8
28.g5
b5
Black has to do something, and this standard idea gets the Rb8 and the Bg7 active while giving his pieces more usable space on the queenside.
29.axb6
Rxb6
30.Re2
h5
31.e5!
The break occurs.
31...Ne7!
[31...dxe5
32.f5!+/-
]
32.Rae4
[32.e6
fxe6
33.dxe6
Nf8
34.Nh4
Kg8
is unclear. (But not 34...d5?
35.Bxc5
Rxe6
36.Rxe6
Nxe6
37.Bxe7+-
(Svidler)) ]
32...dxe5
[32...Nf5
33.e6
Nf8
(33...fxe6
34.Rxe6
Rxe6
35.dxe6
(35.Rxe6
Nf8
36.Rxg6?
Nxg6
37.Qxf5
Qf8-+
) 35...Nf8
36.Nh4+/-
) 34.exf7
Rxe4
35.Qxe4
Qd7
36.Qe8
Rb7
37.Ne4
Qxf7
38.Qxf7
Rxf7
39.Nfd2+/-
followed by Nc4]
33.fxe5
Nf5
34.Na4
[34.--
Nxe5
35.Nxe5
Qxg5+
; 34.Qd2
covers g5 and prepares 34...--
35.e6
; 34.e6
fxe6
35.Na4
Rb4
36.dxe6
Nf8
37.Rxb4
cxb4
38.Qc4+/=
]
34...Rb4
[Trying to make the counterattack work at all costs with 34...Nxe5?
fails: 35.Nxb6
Nxf3
36.Rxe8
Qxg5+
37.Kxf3
(Svidler)]
35.e6
fxe6
36.dxe6
Nf8
[36...Ne5
37.Rxe5!
Bxe5
38.Rxe5+-
; 36...Rxe4
37.Rxe4+/=
(37.Qxe4
Ne5!
38.Nxe5
Rxe6=
(38...Qxg5+?
39.Kh2
Rxe6
40.Nf3!+-
) ) ]
37.Nxc5
[37.Rxb4
cxb4
38.Qc6
Qd3!=
(38...Ne7
39.Qxa6
Nd5
40.Bg3+/=
) ]
37...Rxb2
38.Qc4
Rxe2
[38...Nd6
39.Qd5
Nxe4
40.Qxd8
Rxd8
41.e7
(41.Rxe4
Re8
42.e7+/=
a5
43.h4!
(43.exf8Q?
Bxf8!
44.Rxe8
Bxc5-/+
) ) 41...Rxe2
42.exd8Q
Nxc5
(42...Rxf2+?
43.Kg1
Rxf3
44.Nxe4+/-
; 42...Nxf2
43.Kf1
Rc2
44.Qd6+/=
) 43.Kf1
Nce6
with a fairly easy draw (Svidler).]
39.Rxe2
a5
40.Qb5
Qc8
41.Qxa5
By now White's advantage was gone, but this makes it "official". White has no (realistic) winning chances after the mass exchanges; indeed, it's Black who enjoys the nominal edge.
41...Nxe6
42.Nxe6
Rxe6
43.Rxe6
Qxe6
The players could agree to a draw here, but he preferred to enjoy the position for a while after suffering the previous two hours. It's surprising but apparent psychological fact that the way we feel an event often depends on how we feel about the end of that event. So although the first 40 moves were enjoyable for Topalov, now it's Radjabov who gets to end on a strong note. (Or so it would seem.)
44.Qc7
Ne7
45.Qb6
Qf5
46.Bg3
Qe4
47.Qa7
Qc2+
48.Qf2
Qc6
49.Qe2
Nf5
50.Bf2
Qd5
51.Qd2
Qb7
52.Qd3
Be5
53.Qd2
Bd6
54.Qc1
Be7
55.Qd2
Qc6
56.Qf4
Qd5
57.Qc7
Qe4
58.Qd7
Nd6
59.Qa7
Nf5
60.Qd7
Qe2
Black is trying hard to avoid the draw, but giving up the long diagonal is a little dangerous.
61.Qa7
Kg7?!
[61...Qe4
]
62.Qa1+
Kg8
63.Qa8+
Kf7?!
[63...Kg7
]
64.Qd5+!
Kg7
65.Kg1!
Hey, what's this? Suddenly White's position looks good. His queen is majestically placed on d5, radiating power all over the board, and if the knight can join her in the center with Ne5, Black can even be in trouble. Fortunately for Radjabov, who did not move immediately here, there are several adequate defenses.
65...Bd6!
[65...Qb2
66.Ne5?
(66.h4
maintains equality and renews the threat of Ne5. Black's best is to prevent this by repeating moves. 66...Qc1+
67.Kg2
Qc2
(Threatening 68...Ne3+, so there's no chance for Ne5.) 68.Kg1=
) 66...Qc1+
67.Kh2
Qxg5
68.Qf7+
Kh6-/+
]
66.Bd4+
Nxd4
[66...Kf8
looks a little scary, but it's fine too. 67.Bc5
Bxc5+
68.Qxc5+=
]
67.Qxd4+
Kh7
68.Qxd6
Qxf3
69.Qe7+
Kg8
70.Qe8+
Kg7
71.Qe7+
Kg8
72.Qe8+
Kg7
73.Qe7+
1/2-1/2