THREAT
A move that threatens a piece or a position or that creates a positional weakness in the opponent camp. Nimzowitsch said: “The threat is stronger than its execution.”
Wursburg, Otto vs Mate in 3 moves 1-0 Pittsburg Gazette Times
1917
1. Rc5
threat 2. Re5 #
1… Rhe2
1… Rce2 2. Rd5 Rd2 3. Re5# 1… Nf3 2. Rf5 Ne5 3. Rf8# 1… Ke7 2. Rc6+ Ke8 3. Re6# 1… Kf8 2. Rg5+ Ke8 3. Re5#
2. Rg5 Rg2 3. Re5# 1-0