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Chad Lieberman

A skilled chess player's intuition and instinct can be the saving grace in a battle over the board; but it could also mislead you occasionally. In my experience, this happens most frequently in endgames.

The latter part of a chess match requires very careful and precise calculations. While there is a common misconception that grandmasters calculate more than a dozen moves ahead in positions they are analyzing, this statement may not be so far off for endgame positions.

Strong chess players do have the ability to calculate many moves ahead in positions and to visualize stages of development within those branches of analysis. As you might imagine, this becomes easier to do near the endgame as there are fewer pieces of which to keep track.

Concrete conclusions to these analyses are also a helpful aspect of calculation in the endgame. Often the branches of the analysis end with an obvious win for one side. With this ease comes some difficulty though: endgames tend to be tricky.

Because of the alteration of the pieces' relative values in the endgame, a greater breadth of possible moves must be considered. All piece sacrifices must be considered. Any move that creates a passed pawn might be worth considering because that pawn could soon queen.

White to mate in two moves.
Link to solution at the bottom.

Brunner, L. (2415) - Serper, G. (2450)
Oakham, 1988

1.e4c5
2.Nf3d6
3.d4cxd4
4.Nxd4Nf6
5.Nc3Nc6
6.Bc4 Qb6
7.Nde2e6
8.0–0Be7
9.Bb30–0
10.Bg5 a6
11.Bxf6Bxf6
12.Qxd6Rd8
13.Qg3Be5
14.Qh3 Bd7
15.Kh1Nd4
16.f4Nxe2
17.fxe5Nxc3
18.Qxc3 Bc6
19.Rf4Qd4
20.Qxd4Rxd4
21.Raf1Rd7
22.h4 h6
23.h5a5
24.a4b5
25.axb5Bxb5
26.R1f3a4
27.Ba2 Rc8
28.Rg3Rxc2
29.Rfg4Rxb2
30.Rxg7+Kf8
31.Bxe6 Rd1+
32.Kh2Be8
33.Bd5Rbb1
34.R3g4Rh1+
35.Kg3 Rxh5
36.e6fxe6
37.Bxe6Ra1
38.Kf2Rg5
39.R4xg5 hxg5
40.Rxg5Ke7
41.Bd5a3
42.Rg7+Kd6
43.Ra7 Kc5
44.g4Kb4
45.g5Ba4
46.Rb7+Kc5
47.g6a2
48.g7 Rf1+
49.Kxf1a1Q+
50.Kg2Qe1
51.g8QQd2+
52.Kg3 Qe3+
53.Kg4Bd1+
54.Kf5Qh3+
55.Kf6Qh6+
56.Qg6 Qf4+
57.Kg7Black Resigns

 
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