March 2017
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Winning Devon Game (01.08.2015.)

This was Devon’s top win in their recent National U-180 Final, and was the last game to finish in a tense finale. Mark was the only player to win all three of his games in the National Stages, a fine performance.

White: M. V. Abbott (171). Black: C. Mackenzie (175).

Nimzo-Indian Defence [E49]

1.d4 e6 2.c4 Nf6 3.Nc3 Bb4 4.e3 c5 5.a3 Bxc3+ 6.bxc3 d5 7.cxd5 exd5 8.Bd3 0–0 9.Ne2 b6 10.0–0 Ba6 11.f3 Bxd3 12.Qxd3 Re8 13.Ng3 Nc6 14.Bb2 c4 15.Qd2 Qd7 16.Rae1 Re6 17.Bc1? Better might be 17.e4 threatening the knight. 17…Ne8 (17…dxe4 18.fxe4). 17…Rae8 18.Qc2 b5? 19.e4 a5 20.e5 Qa7 21.Qf2 Nd7 22.f4 b4 23.f5 R6e7 24.f6 Re6 25.fxg7 White could bring pressure to bear after 25.Nh5 bxc3 26.Be3 g6 27.Qf4 Kh8 28.Ng7 Nd8 29.Rf3 Rg8 30.Rh3 Nf8 31.Nxe6 Ndxe6 32.Qf3 etc. 25…Ndxe5 Black sacrifices a piece in order to (a) get some activity for his pieces, and (b) create a 4-2 queenside pawn majority. 26.dxe5 Qxf2+ 27.Rxf2 Nxe5 28.Ref1 bxc3 29.Nh5 R8e7 If 29…d4 30.Nf6+ Rxf6 31.Rxf6 d3 32.Bg5 d2 30.Nf6+ Kxg7 31.Nxd5 Rb7 32.Nf4 Rd6 33.Nh5+ Kf8 34.Nf6 Nd3 35.Bh6+ Ke7 36.Re2+ Kd8 37.Re8+ Kc7 38.Re7+ Kc6 39.Rxb7? 39.Re4 Nb2 40.Bg5. 39…Kxb7 40.Be3 Re6 41.Rb1+ Kc8 42.Nd5 c2 43.Rf1 Kd7 43…Rxe3 44.Nxe3 c1Q 45.Rxc1 Nxc1 46.Nxc4 Nb3 44.Bc1 Kc6 45.Nc3 Kc5 46.Rf5+? Kc6? Better is 46…Kd4 as White’s king needs to be up in support of his dangerous pawns. 47.Rf1 Can Black now start to exploit his passed pawns, or will White’s extra piece be enough to prevent this? It’s a close call. 47…Kc5 48.Bd2 Kd4 49.Nb5+ Kc5 50.Nc3 Kd4 51.Na2 Re2? 52.Bxa5 Re7 53.Bb6+ Ke4 54.a4 Rb7 55.a5 f5 56.g3 h5 57.Kg2 h4 58.Nc3+ Ke5 59.Ne2 hxg3 60.hxg3 Ke4 61.Nc3+ Ke5 62.Ne2 Ke4 63.Nc1 Nxc1 64.Rxc1 Kd3 65.Kf3 Kc3 If 65.Kd2 in support of the forward pawn, there follows 66.Be3+ Kc3 67.a6 and Black has lost time. 66.Be3 Rd7 67.a6 Kb2 68.Ke2 Re7 69.Rf1 c3 70.Kd3 Rd7+ 71.Ke2 Re7 72.a7 Re8 73.Kd3 Rd8+ 74.Kc4 Rc8+ 75.Kb5 Re8 76.Bc1+ Kb3 77.Bf4 Kb2 78.Bb8 c1=Q 79.Rxc1 Kxc1 80.a8=Q The 4th queen of the game – will there be the chance of a 5th? Re2 81.Qh1+ Kb2 82.Bf4 c2 So near and yet so far. 83.Qc1+ Kb3 84.Bd6 Re6 85.Qa3 mate.

The British Championships started at Warwick University on Monday and finish next Friday. Games may be followed live on the event website, as well as updates results in all sections. There are 74 entrants in the top section, with local interest focussing on K. Arkell (Paignton – 4th seed); J. Rudd (Bideford – 18th); J. Menadue (Truro – 52nd ); T. Slade (Marhamchurch – 64th) and M. Ashworth (Gloucester – 69th).

In last week’s position, White may have allowed his queen to be taken because he could see the combination 1.Nf6+ forcing gxf6 and then 2.Bf7 mate.

Here is a conventional 2-mover by Arthur Ford Mackenzie (1861 – 1905). This is one for serious solvers.

White to mate in 2

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