New Chess Term...

Stampede = When knights trample the opposing defense.

RainCheck = A series of checks that leads to losing later.

Ring around the mulberry bishop:

1.Qe5+ Kc4 2.Qc5+ Kd3 3.Qc3+ Ke4 4.Qe3+ Kd5 5.Qe5+ etc.

Bill Smythe

those would be Bounced Checks