Nº22 Jarl Henning Ulrichsen


Section B.2.

Jarl Henning Ulrichsen (Norway)


White a- and b-pawn draw versus black knight and a-pawn. This draw is not mentioned in books on endgames.

1.Kf6 f3 2.Bc4 f2 3.Ke5 Nf3+ 4.Kd5
4.Ke4? Nd2–+

4…Nd2 5.Bxa6 f1Q 6.Bxf1 Nxf1 7.b3!! Festina lente.
The try (and natural move) 7.b4? loses to 7…Ng3 8.b5 (8.Kc5 Ne4+ 9.Kb5 Kc7 10.Ka6 Kb8 11.b5 Nc5#) 8…Nf5 9.Kc5 Ne7 (Now White to move loses; (9…Nd6? 10.b6 a6 11.b7=) 10.b6 a6 11.b7 Nc6 12.Kb6 Nb8 13.Ka7 Kc7 14.Ka8 Nc6–+

7…Ng3 8.b4 Nf5 9.b5 Nd6
After 9… RNe7+ 10.Kc5 we have the same position as in the try after Black s 9th move, but now it is Black to move!

10.Kc5 Nb7+ 11.Kb4 Kc8 12.Ka4!
Not 12.a6? Nd6 13.Kc5 Kc7–+

12…Nd6 Black can make no progress. 13.Kb4 Kd8 14.Kc5 Kd7 15.b6
Not 15.Kb4? Ne4 16.Kc4 Kd6–+

15…a6 16.b7 Nxb7+ 17.Kb6=