Bishop stifling

I played the following game with the White pieces against WFM Anna Levina. The middlegame shows the thematic idea of playing with a good knight against a bad bishop. The finale shows off a beautiful twist on the same idea.

[Event "Grand Prix"]
[Site "Rochester, NY"]
[Date "2011.02.10"]
[Round "3"]
[White "Aaron Demby Jones"]
[Black "Anna Levina"]
[Result "1-0"]
[WhiteElo "2106"]
[BlackElo "2111"]
[ECO "D31"]
[PlyCount "85"]
[Variant "Standard"]
[Opening "Semi-Slav Defense: Accelerated Move Order"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 Bd6 5.Nf3 Nd7 6.e4
{Since Black isn't playing her knight out to f6, why not?}
6...dxe4 7.Nxe4 Bb4+ 8.Bd2 Bxd2+ 9.Qxd2
{The trade of these bishops seems to help White, since Black's
remaining bishop is worse than White's.}
9...Ndf6 10.Nc3
{Trying to make Black suffer from redundant knights.}
10...Ne7 11.Be2
( 11.Bd3 {looks more aggressive.} )
11...O-O 12.O-O Qc7 13.Rad1 Ng6 14.Rfe1 b6
{Black plans to slowly unroll with Bc8-b6, c6-c5, etc.}
15.b3 $6
{White drifts here for a few moves.}
15...Bb7 16.Qb2 $6 Nf4 17.c5 $1
{White wakes up and plays with a plan. Black's bishop shall not free
itself so easily after all.}
17...Nxe2+ $6
{This trade doesn't seem to help Black much. White can easily end up
with a favorable knight vs. bishop scenario.}
18.Qxe2 bxc5 19.dxc5 Qa5 20.Qe3 Nd5 21.Nxd5 exd5 22.b4 $1
{A rather deep pawn sacrifice.}
22...Qxa2 23.Nd4 Rab8
{If Black passes, say, with}
( 23...h6 {, White wins material via} 24.Ra1 Qc4 25.Rec1 Qxb4 26.Rab1
)
24.Nf5
{The knight, having feinted to the queenside, now goes for the throat
on the kingside.}
24...Qb2 25.Rd4
{Blocking the line and threatening Qe3-e5.}
25...Bc8 26.Nxg7 $6
{A tactical solution, but simpler was}
( 26.Ne7+ Kh8 27.Nxc6 {and Black's position collapses.} )
26...Kxg7 27.Qg5+ Kh8 28.Qf6+ Kg8 29.Rg4+ Bxg4 30.Qxb2
{After the dust clears, White has a queen against rook and bishop. As
usual, the queen manages to prove superior by exploiting the color
complex opposite the bishop.}
30...a5 31.Qf6 Rxb4 32.h3
{Getting some luft with tempo.}
32...Be6 33.Re3 Rfb8 34.Qh6
{Trying to keep the king cornered by cutting off f8.}
34...Bf5
{Intending Bf5-g6, plugging up the g-line.}
35.h4
{Trying to cross her plans with h4-h5.}
35...Rb3 36.Rxb3 Rxb3 37.Qg5+ Bg6 38.h5
{The bishop is caught. But all of a sudden, Black is whipping up some
counterplay with a passed a-pawn.}
38...a4 39.h6 $1
{The 'drive-by' in action! White doesn't need to capture the bishop.
The pawn is actually more valuable in this position since it
coordinates in deadly fashion with the queen on the dark squares.}
39...f6 40.Qxf6 Rb7 41.Qxc6 Rb1+ 42.Kh2 Ra1 $2
{Losing on the spot, but otherwise White wins easily by pushing the
c-pawn.}
43.Qf6
{Black resigns. Qf6-g7 mate can't be stopped. A thematic finish!}
1-0



My chessvideos.tv analysis can be found here.

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