Ivan Cheparinov - Bulgarian GM (1986-) Cheparinov's Page

Black mates in 6.

David Recuero Guerra vs Ivan Cheparinov

Mondariz, 2000

Decoy

Solution (in reverse)

Rb8 3.Rd2 Bxc3 2.Kxa1 1...Ra1+

Black mates in 4.

Mihai Suba vs Ivan Cheparinov

Dos Hermanas, 2002

Deflection

Solution (in reverse)

Qxb2+ 3.Kb3 Qd2+ 2.Kxc2 1...Bc2+

Notice the similarity between the decoy and deflection.
In the first example idea is to put the queen into a pin.  
The second example takes the queen to an ineffectual square.