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(1) Kotanjian,Tigran (2522) - Petrosian,David (2487) [E97]
Third Annual Memorial of Karen Asrian (7), 10.10.2010
[Tigran Kotanjian]
1.d4
Nf6
2.c4
g6
3.Nc3
Bg7
4.e4
d6
5.Nf3
0-0
6.Be2
e5
7.0-0
Nc6
8.d5
David again chose a variation played by us five years ago, still believing in the resources of his position. However, I had prepared a poisonous novelty. 8...Ne7
9.b4
a5
10.Ba3
axb4
11.Bxb4
b6
12.a4
Re8
13.Qd3
Nf5
David's novelty in 2005 14.a5
bxa5
15.Rxa5
[15.Bxa5
was possible too: 15...Ba6
(15...Bd7!?
) 16.Nxe5!
Rxe5
17.exf5+/=
] 15...Rb8
16.Nb5
Nd4
17.Nfxd4
[17.Ra7?!
Nxd5!
] 17...exd4
18.f3
Nh5
[18...Nd7!?
is a more interesting move, leading to vivid game] 19.Bd2!
My novelty! Five years ago I played 19.g3 in this position. According to computer 19.g3 gives some advantage to White; however deep analysis shows that Black can get counterplay. 19...Qh4
With the idea Be5 20.f4!
[20.Nxc7
Be5
unclear.] 20...f5
21.Nxd4!
Rb2
This move was unexpected for me. There were three more possibilities for Black; however they lead to a worse position. [21...Rxe4
22.Nc6
Rb2
23.Bxh5
gxh5
24.Ra8+-
Re8
25.g3
Qf6
26.Re1
Black has no defence against Rc8 and Ne7.; 21...Bxd4+
22.Qxd4
Rxe4
23.Qa7!
Rb7
24.Qa8
Re8
25.Bxh5
White's attack on black squares is decisive.; 21...fxe4
22.Qe3
White has a big positional advantage.] 22.Bxh5!
Qxh5
23.Bc3
Rb7
[23...fxe4
is not good because of 24.Qe3
Bxd4
25.Qxd4
Rxg2+
26.Kxg2
Bh3+
27.Kh1+-
; 23...Rb8
24.Ra7
Rb7
25.Ra8
] 24.Ra8!
pointing out the weakness of the c8 square. [24.exf5
Bxf5
with good chances of salvation] 24...fxe4
25.Qe3
Qh4
26.f5?!
[26.Ne6!
Bxc3
27.Qxc3
Qe7
28.f5
gxf5
29.Rxf5
(29.Qg3+?
Kh8
30.Rxf5
Rb1+
31.Kf2
e3+!=
) 29...Rb1+
30.Kf2
Qh4+
31.Ke2
Qg4+
32.Ke3!+-
] 26...Be5?
[26...Bh6!
27.Qe2
Bf4
28.Nf3
Qh6!
I didn't consider this move, after which White's advantage diminishes. (28...Qg4
29.h3
Qg3
30.Be1
; 28...Qd8
29.fxg6!
hxg6
30.Nd4
Qh4
31.g3
Bxg3
32.hxg3
Qxg3+
33.Qg2
Qxc3
34.Qxg6++-
) ] 27.g3+-
Qf6
28.fxg6
Qxf1+
[28...Qxg6
29.Nc6
Black has no defence against White's threats Rc8, Ne7 and Be5] 29.Kxf1
Bh3+
30.Ke2
Bg4+
31.Kd2
Rxa8
32.gxh7+
Kh8
33.Qg5
[33.Qxe4!?
could win easier] 33...c5
34.Nb5
Bxc3+
35.Nxc3
[35.Kxc3
] 35...Rg7
36.Qf6
Bf3
37.g4
e3+
38.Kxe3
Bxg4
39.Ne4
Ra3+
40.Kd2
Ra2+
41.Kc3
Ra3+
42.Kb2
Rf3
43.Qd8+
Kxh7
44.Qh4+
Kg8
45.Nf6+
Kf8
46.Qh8+
Kf7
47.Nxg4
Rf4
1-0
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