Popeye Windows-32Bit v4.63 (512 MB)

a)

1.Ba1*c3 ! threat:

2.Bc3-e1 threat:

3.Rh3-c3 #

1...f5-f4

2.Bh5-g6 +

2...Kc2-c1

3.Rh3-h1 #

2...Kc2-d1

3.Bg6-d3 threat:

4.Rh3-h1 #

b) bPf5-->g4

1.Bh5*g4 ! threat:

2.Ba1*c3 threat:

3.Bc3-e1 threat:

4.Rh3-c3 #

solution finished. Time = 1.203 s