Chess Checks

Check-mate, a delightful sight on board

 

Generally the pieces combine and most often are led the queen with the help of major and minor pieces to set up an attack.

The game which follows - is a delight to go through as White here, shows plenty of pluck and ambition in cornering Black’s King with the limited remaining pieces on board, after the exchange of queens. Thecombination starts after a  beautiful bishop sacrifice on the 33rd turn.

White: Jereon Piket (2635) – Black: Boris Avrukh (2588) [D97]
GM Event Biel (9),27.07.1999
King’s Indian Defence
1.d4 Nf62.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 a6 8.Be2 b5
Nothing new so far as the players go for the tried and trusted opening moves
9.Qb3 c5
Concentrating on the queen side
10.dxc5Be6 11.Qc2 Nc6 12.0–0 Qc7
If 12...Nb413.Qb1 Qc7 14.a3 Nc6 15.b4 Ng4  13.h3 Nb414.Qb1
Ratheran odd looking square for the queen but it is the best move here
14. ..Qxc515.Be3
If 15.a3 Nc616.Be3 Qd6 17.Rd1 Qc7 18.Qc2 15...Qc816.Rc1 Qb7
The pieces appear to be placed awkwardly . If 16...Nc6  17.Ng5 Bd7 18.Nd5
17.Nd4Bc4  If 17...Bd718.Nb3
18.a3  If 18.Bxc4 bxc419.b3 cxb3 20.Nxb3
18...Nc6
If 18...Bxe219.Ncxe2 (19.axb4 Bc4 20.b3 Be6 21.Nxe6 fxe6 22.Ra2) 19...e5 20.Nb3 Andif 18...e5 19.Bxc4 exd4 20.Bxd4 bxc4 21.axb4 Qxb4 22.e5 Nd7 23.Nd5 Qb7 24.Qe4 andBlack looks uncomfortable
19.Nxc6Qxc6 20.Bf3
If 20.e5 Nd521.Nxd5 Qxd5 22.Bf3 Qxe5 23.Bxa8 Rxa8 24.b3 Be6  25.Qd3 Qd6
20...Qd6 Getting out of the diagonal quickly! If 20...e5 21.b3 Be6 22.Nd5 Qb7 23.Nc7 Rac824.Nxe6 fxe6 25.Qb2
21.Rd1  If 21.b3 Be622.e5 Qxe5 23.Bxa8 Bf5 24.Qb2 Rxa8 25.Qd2
21...Qe5 Not exactly the right move! Black could have offered more resistance with 21...Qe6 22.e5 Qxe5 23.Bxa8 Rxa8 24.Bd4
22.Bd4Qe6 23.e5 Nd5 24.Ne4
A good move!
24...Nf4 If 24...Bxe525.Bxe5 Qxe5 26.b3 f5 27.bxc4 fxe4 28.Rxd5 Qf6 29.Bxe4 Qxf2+ 30.Kh1 And if 24...b425.Nc5 Qc8 26.Qc2 Nb6 27.Bxa8 Qxa8 28.axb4
25.Nc5Qf5
If 25...Qc826.Qe4 Ne6
26.Qxf5gxf5 27.Bxa8 Ne2+ 28.Kh1 Rxa8
If 28...Nxd429.Bb7 Nb3 30.Nxb3 Bxb3 31.Rd2
29.Nd7 Be6 If 29...Rd830.Bc5 with advantage for White
30.Bc5Re8 31.g3
Black’s knight is trapped
31...Bh6 If 31...Bxd7 32.Rxd7 Bxe5 33.Re1 Bd6 34.Bb4
32.Kg2Nc1  If 32...Bb3 33.f4 Bxd1 34.Rxd1 Bxf4 35.Kf3 Bxg336.Kxe2

Diagram1

33.Bxe7 A fantastic sacrifice which is the start of a superb combination by White.
33...Rxe7
If 33...Nb334.Nf6+
34.Nf6+Kg7 35.Rd8
A very interesting situation where White is trying to force a checkmate with limited pieces
35. ..Bd2 If 35...Bg536.h4 (36.f4 Bxf6 (36...Nb3 37.Rg8+ Kh6 38.fxg5 checkmate) 37.exf6+ Kxf638.Rxc1)
36.Rxd2  If 36.f4 Nb3(36...h5 37.Rxd2 Nb3 38.Rad1 Nxd2 39.Rxd2) 37.Rg8+ Kh6 38.Rh1 Nd439.Ng4+ fxg4 40.hxg4 checkmate
36...Nb337.Rd8  White is keen on cornering the Black King. If 37.Rad1 Nxd2 38.Rxd2
37...Nxa138.Rg8+ Kh6 39.g4 fxg4 40.hxg4 Bxg4
If 40...Bd5+41.Kg3 Rxe5 42.f4
41.Nxg4+Kh5 42.Nf6+ Kh6 43.f4 Nc2 44.Ng4+ Kh5 45.Kg3  1–0

Diagram 2

White to play and checkmate
 1.d5+ cxd5 2.cxd5 checkmate

 Diagram 1  Diagram 2
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