8
7
6
5
4
3
2
1
a b c d e f g h

Puzzle D1: Black to move and draw

To see the hint or solution, drag your mouse accross a box below while holding down the left mouse button.

HINT:

Eliminate White's new Queen, then avoid Rook mate by underpromoting.

SOLUTION:

1...Ke4   2.b7 f5   3.b8=Q Rxb8   4.Rxb8 f4   5.Rb4+ Ke3   6.Kd5 f3   7.Rb3+ Ke2   8.Ke4 f2   9.Rb2+ Ke1   10.Ke3 f1=N+ (theoretical draw)