1.e4
c5
2.Nf3
e6
3.d3
Avoiding the open lines with 3.d4 in favor or a king's indian type approach
3...b5
A sharp reaction. Black accepts the closed character of the position, but immediately begins operations on the queenside.
4.g3
Bb7
5.Bg2
d6
Covering the e5-square in anticipation of Nf6
6.0-0
Nf6
7.Ng5
Preparing f2-f4
7...h6
8.Nh3
Nc6
Making sure that white cannot now play d4
9.f4
Be7
10.Be3
h5!
The threat is Ng4 and, in some lines h4. But the real point is to take the sting out any white kingside attack since g4 will now open the h-file for Black's Rook.
11.Nf2
Guarding g4
11...d5
Inviting e5 but threatening c4
12.e5
Nd7
13.c4
The usual positional counter against three pawns across.
13...bxc4
14.dxc4
Nb6
dxc4 weakens black's pawn structure
15.Na3
Rb8
Taking the open file and preparing the exchange of the light squared Bishops
16.Nd3
Forcing black to advance the d-pawn
16...d4
17.Bd2
g6
Solidifying he pawn structure, but what to do with the Black king?
18.b3
Kf8
Safe for the moment
19.Nc2
Nd7
20.Qe2
Qc7
21.h3
Nd8
22.Nce1
Bxg2
23.Nxg2
Ke8
Anticipating white's kingside expansion, and preparing to safeguard the Black king on the queenside and to transfer the Rb8 to g8
24.g4
hxg4
25.hxg4
Qc6
Black has gained fantastic control over the key h-file and the long diagonal
26.Rf3
Preventing Rh3
26...Qa6
Aiming at the a3 square but more importantly stopping the b3-b4 attemptt to undermine the Black pawn structure.
27.Qd1
Nc6
By taking full control over b4, Anand eliinates any counterplay
28.Qc2
Kd8
Safeguardiung the king on the queenside as a prelude to Rbg8
29.Re1
Kc7
30.f5
This only helps black, but white had no desire to wait for Black to consolidate and attack
30...gxf5
31.gxf5
Rbg8
Taking the g-file too!
32.fxe6
[32.f6
Bf8
]
32...fxe6
33.Rf7
Taking the entry square
33...Kc8
Prudently taking he king off the rank
34.Bf4
Bf8
The threat is Nd8 trapping the Rf7
35.Qf2?
[35.Bh2
]
35...Nd8
36.Rxd7
Kxd7
37.b4
Ke8
[37...Qxc4
]
38.bxc5
Diagram
38...Rh3
Taking the entry square
39.Qc2
[39.Qxd4
Qc6
]
39...Qc6
40.Re2
Bxc5
[40...Qf3
41.Rd2
Qe4-+
; 40...Bxc5
41.Nxc5
Qxc5
With the horific threat d3+] 0-1