1.e4
e5
2.Nf3
Nc6
3.Bb5
a6
4.Ba4
Nf6
5.0-0
Be7
6.Re1
b5
7.Bb3
d6
8.c3
0-0
9.h3
Nb8
10.d4
Nbd7
11.Nbd2
Bb7
12.Bc2
Re8
13.a4
Bf8
14.Bd3
c6
15.b4
Nb6
16.axb5
cxb5
Nice to see Magnus playing the same line again!
17.d5
Rc8
18.Ra3N
[18.Bb2
was Shirov's move in round three.]
18...Nh5
19.Nf1
g6!
20.N1h2
Probably the first imprecise move.
20...Bg7
21.Bg5?!
Qd7
22.Be3?!
Somehow, White's last 2-3 moves were just bad.
22...Nc4?!
[Both 22...Nxd5
23.exd5
e4
and; 22...Na4
followed by ...f5 are given as nearly winning for Black by the engine!]
23.Bxc4
Rxc4
24.Nd2
Rc7
25.Nhf1
Nf4
Also here, Black is doing very fine.
26.Bb6
Rcc8
27.Ne3
f5
28.f3
Rf8
29.Kh2
29...Rf7?
[29...Nd3
30.Rf1
Bh6
would make White's task much harder, for instance: 31.Qb1
Nf4
32.c4!?
Ne2!
(32...bxc4?!
33.Nexc4
Ne2
34.Be3
is OK for White.) 33.c5
Bf4+
34.Kh1
Ng3+
35.Kg1
Nxf1
36.Ndxf1
and White keeps some chances.]
30.c4!
Now White escapes. I think or Carlsen underestimated his position and didn't believe he should try something too rough, or he overestimated and thought he has enough time to prepare his attack with moves like 29...Rh7.
30...bxc4
31.Nexc4
fxe4
32.fxe4
Rcf8
33.Be3
Bh6
34.Rf1
Bg7
35.Qa4
Qe7
36.b5
axb5
37.Qxb5
Bc8
38.Qb6
Qg5
39.Rf2
Qh4
40.Bxf4
[The defensive 40.Nf3!?
Qh5
41.Ng1
could be a much better try, as Black has huge problems with the d6-pawn, but just leads to a weird draw by force: 41...Qh4[]
42.Nxd6
(42.g3
Nxd5
holds.) 42...Bxh3[]
43.gxh3
Nxd5[]
44.Qb3
Rxf2+
45.Bxf2
Rxf2+
46.Kh1
Qf4[]
47.Qxd5+
Kh8
48.Ra8+
Bf8
49.Rxf8+
Qxf8
50.Qxe5+
Qg7[]
51.Qe8+
Qg8
52.Qa4
Qa2[]
and draw.]
40...Rxf4
[40...exf4!?
holds thanks to the trick 41.Nxd6
Qg3+!!
42.Rxg3
fxg3+
43.Kxg3
Be5+
44.Kh4
Rxf2
45.Nxc8
Bf6+
46.Kg3
Be5+
and draw!]
41.Rxf4
Qxf4+
42.Kg1
Bh6
43.Rf3
Qg5
44.Qc6
Rxf3
45.Nxf3
Qc1+
46.Kf2
Bd7
47.Qxd7
Qxc4
48.Qe6+
Kg7
49.Qe7+
Kg8
50.Qe6+
Kg7
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