Rauf Aliovsadzade (USA)  
#3 10+11

1.Sf3? (2.Rxe5+ Kd6 3.Qc5#),1...c6!!

1.Sc2! (2. Rc6+ Kd5 3. Sb4#,2... Sd6 3. Sd4#),

1...Sc3 2. Rxe5+ Kd6 3. Qc5#,2... Qxe5 3. Qxe5#,
1...Sd4 2. Sxd4+ Kd6 3. Rd5#,-black &white line openings;

1...Qf4 2. Sxf4+  K~ 3. Qxe5#,
1...Qxg7+ 2. Sxg7+ Kf6 3.Qh6#,-bQ&wS duel.
Theme:Adabashev system.

Side variation:1...Kd6 2. Ra6+ c6 3. Raxc6#.