Werner Schmoll, Schach-Aktiv 2006
Position: Q7/2npn1N1/2pk4/3P2p1/b2P4/b4PK1/B2B4/1R6 w - - 0 1
 
mate in 3

Black: Nc7, d7, Ne7, c6, Kd6, g5, Ba4, Ba3
White: Qa8, Ng7, d5, d4, f3, Kg3, Ba2, Bd2, Rb1

1. Df8?/Dh8? cxd5! 1. Tb6? Lc5!
1. Te1?/Th1? cxd5! 1. Lxg5? Lc1!

1. Tb5!! Zugzwang!

1. - Lc5
2. dxc5+ Ke5 3. Lc3#

1. - La3~
2. L(x)b4+ c5 3. Lxc5#

1. - La4~
2. Dxa3+ c5 3. Dxc5#

1. - cxb5, c5
2. Da6+! Sc6/Sxa6 3. Sf5#/Se8#

1. - cxd5
2. Tb6+ Lc6/Sc6 3. Dxa3#/Df8#

1. - Scxd5
2. Db8+ Sc7 3. Se8#

1. - Sexd5
2. Df8+ Se7 3. Sf5#

One of my best problems (W. Schmoll)

"Zugzwang bei vollem Brett, 7 echte Varianten, bewundernswert!" (Manfred Seidel +)