Checkmate 10-19-2005

Bruno's Chess Problem: 10/19/2005

A.Zidek, 6. WCCT, 2000

Mate in 4(***)
chess problem diagram

White to play

Tip:

Level : * (very easy) to ****** (very hard)

1. Qg7! ... 2. Qg2+ Rf3 3. Qxf3#
  1... Ng6 2. Qxg6 ... 3. Qxf5#
     2... exf4 3. Qc6+ ... 4. cxd3#
     2... Rxe3 3. Qg2+ Rf3 4. Qxf3#
  1... Rg3 2. Nfd5 ... 3. cxd3#
     2... Rxd5 3. Qxe5+ Rxe5 4. cxd3#
     2... Qxd5 3. cxd3+ Qxd3 4. Qxe5#
     2... Rg5+ 3. Qxg5 ... 4. Qg2#
  1... Bg3 2. Ned5 ... 3. cxd3#
     2... Rxd5 3. Qxe5+ Rxe5 4. cxd3#
     2... Bxf2 3. Qg2+ Rf3 4. cxd3#
     2... Qxd5 3. cxd3+ Qxd3 4. Qxe5#