Chess/Puzzles/Endgame/Puzzle 2/Solution

From Wikibooks, open books for an open world
Jump to: navigation, search

1.Nd4+ Ke1

2.Qh2! Kd1!

3.Qh7! Ke1!

4.Qh4+

4.Qe4? leads to 4... Kf2 5.Qf3+ Kg1 6.Ne2+ Kh2 7.Qxf1 (stalemate!!)

a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h

The problem now branches into two main possibilities

a)4...Kd1

5.Qe4! Qe1+

6.Kb3 Qf2

6...Qd2 leads to 7.Qh1+ Qe1 8.Qh5+ e2 9.Nf3

7.Qb1+ Kd2

8.Qc2+ Ke1

9.Qc1#

a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h

b)4...Qf2

5.Nc2+ Ke2

6.Qh5+ Kf1

7.Qh1+ Qg1

8.Qf3+ Qf2

9.Nxe3+ Kg1

10.Qd1+ Kh2

11.Ng4+, and white has a queen and king v. king situation.

a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h