PRACTICAL CHESS ENDGAME

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03/10/2004

Editor: Brian Gosling

ALL RIGHTS RESERVED

Welcome to this active site. Each week I am going to present to you an endgame position for you to solve or to workout the best continuation. Computer analysis will also be considered. Some of these positions will come from actual historical games. Others will be composed endgame studies, but all the solutions will be relevant to the practical game. The new position will occur each SUNDAY and I will always be pleased to receive POSITIVE feedback about the positions and the analysis and I will try to acknowledge these where relevant.

Thanks to Antonio Senatore, Henryk Kalafut, Gerard O'Reilly, Rainer Staudte,

Steven B. Dowd, Christos Gitsis and Valdir Uchoa Jr.
THIS WEEK

POSITION 347

BLACK to play and WIN

FORSYTH NOTATION:5B2/8/p3kb1p/3P2p1/2K3P1/5p1P/P7/8 b - - 0 1:

It is good training to try initially to solve the endings without the assistance of a chess playing programme.

> > Cumulative competition


LAST WEEK, POSITION 346

Ignace Vandecasteele, (1926-)

Belgium Endgame Composer. Composed for over 5 decades. A book in Flemish has been published which contains 64 of his best studies, ARVES, 1994.

  Vandecasteele, 1967

White to play and WIN

 

FORSYTH NOTATION:8/8/8/8/1kpBp3/1N6/1K6/1n6 w - - 0 1: 

In a practical situation White would probably be quite happy to draw this ending especially as Black has two passed pawns . But deeper analysis will reveal that White can play for a win because the dominated Black Knight can eventually be captured, plus the two Black pawns, leaving the winning KNBvK ending.

White has to deal immediately with the threat against his own Knight.

1.Nc1 Na3

The Knight tries to escape.

1...Nd2? and the Knight falls to a fork 2.Bc3+ Kc5 3.Bxd2 and White can easily win the pawns and mate with Bishop and Knight.

2.Na2+ Ka4

3.Nc3+ Kb4

4.Nd5+ Ka4

5.Nb6+! ...

5.Bc3? and Black can escape with 5...e3 6.Be1 e2! ( 6...c3+ 7.Nxc3+ Kb4 8.Nb1+ wins) 7.Bc3 e1Q 8.Bxe1 c3+!! 9.Nxc3+ Kb4 10.Nb1+ Ka4 11.Nxa3 stalemate;

5... Kb4

6.Bc3+ Kb5

With a series of checks White has improved the position of his pieces. The enemy King is hampered because it has to repeatedly return to "a4" to guard the stricken Knight which is without a move.

7.Nd7! Ka4

7...Kc6 8.Ne5+ Kd5 9.Kxa3 wins;

8.Nc5+ Kb5

9.Nxe4! ...

The dangerous e-pawn falls and White now turns his attention to winning the stranded Knight.

9... Ka4

10.Nc5+ Kb5

11.Nd7 Ka4

12.Nb6+ Kb5

13.Bd4! Kb4

13...c3+ 14.Kxa3 c2 15.Kb2 c1Q+ 16.Kxc1 and Black is soon mated.

14.Nd5+ Ka4

15.Bc3! ...

Black is in a squeeze. With 15...Kb5, 15...Nb1 or 15...Nc2 the Knight is captured next move and after the fall of the c-pawn we have the winning KNBvK ending.

But the composer decides to bring the study to a swift conclusion with the alternative move:

15... Nb5

The Knight can escape but the game is over !!

16.Nb6 MATE.

 Gens Una Sumus
> > Cumulative competition 

Steven B. Dowd and Valdir Uchoa Jr win in September.

There will be a special prize for the highest placed newcomer in 2004.


The winners of the 2003 cumulative competition:  

Antonio Senatore - Argentina,

Henryk Kalafut - USA,

Alexander Voyna- Ukraine

4th

Gerard O'Reilly - England

  COMPETITIONS for 2004

1. Cumulative 2004 This event will run from 4/1/2004 to 19/12/2004 with a recess in the Summer. Present rules apply but note the book prizes will go to those participants who climb the ladder the greatest number of times during the year. The relative position of the solver's name on the ladder will decide the allocation of prizes.
Pre 16/11/03 Archives

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Position 345

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11/01/04

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04/01/04

Position 314

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21/12/03

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14/12/03

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07/12/03

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30/11/03

Position 310

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16/11/03

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Blandford