1.d8N+!

Try : 1.h8Q? Ra1+ 2.Qxa1 Rxa1+ 3.Kb2 a3+ 4.Kxa1 Nc2+ 5.Ka2 Nxb4+ 6.Kxa3 Nc6+7.Kb2 Nxa7=

1...Bxd8 2.h8Q Ra1+ 3.Qxa1 Rxa1+ 4.Kb2 Bf6+

4...a3+ 5.Kxa1 Nc2+ 6.Ka2 Nxb4+ 7.Kxa3=

5.e5!

5.Bd4? a3+ 6.Kxa1 Nc2+ 7.Kb1 Nxb4 8.e5 Be7!–+ no stalemate (8...Bxe5? 9.Bb2= similar to solution)

5...Bxe5+ 6.Bd4 a3+ 7.Kxa1 Nc2+ 8.Kb1 Nxb4 9.Bb2 with

9…Bxb2= stalemate

9....axb2 = stalemate

9...a2+ 10.Ka1 Bxb2+ 11.Kxb2= positional draw

After of L. Falk - 2.hm Réti MT Pat a Mat -1989 (c1–d8)