Once clamped, the pins should leave a slight impression in the cpu.
You could clamp the cpu and check it, making sure all pins are making an indent.
If that looks correct you could try with power.http://www.weissmann.us/hardforum/1366.jpg
-Clamping a damaged pin could destroy it.
-You may miss something and the pin could not make contact.
-Complications arise from a non contact pin or pins touching each other. this can result in a simple non function to a blown cpu and mobo.
So really, possible outcomes include a fully working system, a non working system and a destroyed cpu and mobo, maybe worse. I was lucky enough to have no damaged components when testing the faulty board.