104-Problem Solution.

Solution: 1. Kc3! waiting
 1. ... Kxa3 2. Rh2 waiting
    2. ... Ka4 3. Ra2#
 In this miniature, White gives a fly square and a pawn.

103- Problem Solution

Solution: 1. Ba2! [2. Kc1 waiting
    2. ... Kc3 3. Be5#]
 1. ... c1=Q+ 2. Kxc1 waiting
    2. ... Kc3 3. Be5#
 1. ... c1=R 2. Kxc1 waiting
    2. ... Kc3 3. Be5#
 1. ... c1=B+ 2. Kxc1 waiting
    2. ... Kc3 3. Be5#
 1. ... c1=S 2. Kxc1 waiting
    2. ... Kc3 3. Be5#