Double checkmate - Chess Forums

Double check - Wikipedia

Tactic - The Double Attack - Chess Forums

Consecutive double-check records in problems

Tactics 101: Meet the Double Check » Chess Intellect

This cheater took my rook with his queen, which is illegal because

I see your double check, and raise you the double double double

The game Reti vs. Tartakower 1910 has one of the most powerful double checks ever! Have you ever used a double check to win a game of chess?, By ChessKid.com

Double Check - Learn to Play Chess, Chess Lessons for Beginners

List of Chess Tactics That All Chess Players Should Know

In order to win you should always double check chess design