Carlos A. Grassano & Mario G. García (Argentina)
 
#2 4+2

Try: 1. Rd2?+
1. ... Kc5 [a]  2. R2xd5 [A] #      But 1. ... Ke4! 
Try: 1. Ree6 or moves? waiting
1. ... Kd3 2. Rxd5 [A] # But 1. ... Kc5 [a] ! 
 

1. Re5! [2. Rdxd5#]
1. ... Kd3  2. Rdxd5#
1. ... Kc5 [a]  2. Rexd5 [B] #

Thematic :  Miniatures Two different w-units mate on the same square