Showing posts with label Magnus Carlsen extends lead. Show all posts
Showing posts with label Magnus Carlsen extends lead. Show all posts

28.1.16

Crushing the Berlin

Round nine of Tata Steel saw Magnus Carlsen firmly occupying the first place after a win against his second Michael Adams. The other big news were Wei Yi's first win in the event. And what a win that was:
A game that I liked (ChessBase 13)

[Event "Tata Steel Chess - Masters"]
[Site "?"]
[Date "2016.01.26"]
[Round "9.3"]
[White "Wei, Yi"]
[Black "Navara, David"]
[Result "1-0"]
[WhiteElo "2706"]
[BlackElo "2730"]
[Annotator "Bojkov, Dejan"]
[PlyCount "55"]
[EventDate "2016.??.??"]
[WhiteClock "0:38:08"]
[BlackClock "0:01:40"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 {The Anti-Berlin is getting more and more
popular of lately. It seems as White has not much there as well, but at least
the queens are still on the board!} Bc5 5. Bxc6 dxc6 6. Nbd2 O-O {Diagram [#]}
({Another plan is} 6... Qe7 7. h3 O-O 8. Nc4 Nd7 9. Qe2 b5 10. Ne3 Nb6 {
as in Caruana,F (2787)-Nakamura,H (2793) London 2015}) 7. Nc4 Nd7 8. Qe2 Re8 9.
Bd2 Bd6 10. h4 $146 {[%csl Yg6][%cal Gh4h5,Gg2g4,Gg4g5] Diagram [#]} ({So far
all the games saw} 10. g4 {One fresh example goes} Nf8 11. Ne3 Ne6 12. Nf5 a5
$1 13. h4 a4 14. Ng5 a3 {when the Dutch GM managed to create serious
counter play in Anand,V (2803)-Giri,A (2798) Bilbao 2015}) 10... c5 {Navara
wants to occupy the d4 outpost with comfort.} ({The knight can come back to}
10... Nf6 {but it will hardly stop the white pawns there.}) ({On the other hand
} 10... Nf8 {can be met with} 11. h5 {attacking and depriving the black knight
of the g6 square and this might be the critical test for Wei's novelty after}
Ne6) 11. h5 h6 {[%csl Rh6] Diagram [#] This is dubious to say at least. In now
way should have Black allowed a hook on the kingside. Both} ({the immediate}
11... Nb8) ({Or} 11... Nf8 12. h6 g6 {were better.}) 12. O-O-O {The immediate}
(12. g4 {was also good for White, for example} Nf8 13. g5 hxg5 14. Bxg5 f6 15.
Bd2 b5 16. Nxd6 cxd6 17. Rg1 {with attack.}) 12... Nb8 13. Rdg1 {Wei is not in
a hurry.} ({Once again} 13. g4 {is possible as Black is not willing to capture
the pawn} Bxg4 $2 (13... f6 14. Nh4) 14. Rdg1 Bxf3 (14... Qd7 15. Rh4 Bxf3 16.
Qxf3) 15. Qxf3 {[%csl Yf7,Rh6][%cal Rf3f7,Rd2h6] Diagram [#] This is not even
winning a pawn as the h6 and f7 spots cannot be defended simultaneously.})
13... Nc6 14. g4 f6 {Navara was obviously counting on this move to seal the
kingside. However...} ({Or else the kingside will be badly opened.} 14... Nd4
15. Nxd4 cxd4 16. g5) 15. g5 $1 {[%csl Yf6,Yg7,Rg8,Yh6][%cal Gg1g8,Gh1h8]
Diagram [#] Wei blows the barricades at once!} (15. Nh4 {will be the
traditional way to play.}) 15... fxg5 16. Nxg5 Nd4 ({In case of the immediate}
16... hxg5 17. Bxg5 {White's attack is also very strong. For example} Be7 (
17... Qd7 18. Bf6 Bf8 19. h6 $18) ({There is no need to transpose into the
game after} 17... Nd4 18. Qe3) 18. Bxe7 (18. Be3 $5) 18... Qxe7 19. h6 g5 20.
Qh5 g4 (20... Kh8 21. Rxg5) 21. Ne3 Kh8 22. Nxg4 Bxg4 23. Rxg4 Rg8 24. Rg7 Qf6
{Diagram [#] with two pawns for the piece and strong threats.}) 17. Qd1 hxg5
18. Bxg5 Be7 {It seems as the attack will soon peter out, but Wei had foreseen
the amazing} ({The other move loses quickly} 18... Qd7 19. Bf6) 19. Be3 $3 {
[%csl Yg7,Yg8][%cal Gg5e3,Rg1g8] Diagram [#] Human beings have difficulties in
seeing backward moves when attacking, but not the Chinese GM. The threat h5-h6
forces Black to go} Bf6 (19... Bd6 20. h6 $18) {But} 20. h6 {is played anyway
and it becomes obvious that the two rooks will have a great party on the open
files.} Re7 ({Black cannot hide behind the pawns as the lines prove} 20... g5
21. Bxg5 $1 {Diagram [#]} (21. Qh5 g4 22. f4) 21... Bxg5+ 22. f4 exf4 23. Qh5
Ne2+ 24. Kd1 Nxg1 25. Qg6+ Kh8 26. Qg7#) (20... g6 21. Qh5 $1 $18) 21. hxg7
Rxg7 22. Qh5 {Now that the black king is opened everything finishes in just a
few moves. The black queenside pieces never took part in the battle.} Be6 23.
Bh6 {Diagram [#] The simplest win.} ({There was a dual} 23. Qh8+ Kf7 24. Rxg7+
Bxg7 25. Nxe5+ Bxe5 26. Rh7+ Kg6 27. Rh6+ Kf7 28. Qxe5 $18) 23... Bf7 24. Bxg7
Bxh5 25. Bxf6+ Kf8 26. Bxd8 Ne2+ 27. Kb1 Nxg1 28. Bxc7 {Diagram [#]} 1-0



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