In chess, a double check is a check delivered by two pieces at the same time. In chess notation, it is sometimes symbolized by "++" (but "++" is also used to denote checkmate).
Read more about Double Check: Discussion, Variants and Triple Check
Famous quotes containing the words double and/or check:
“Societys double behavioral standard for women and for men is, in fact, a more effective deterrent than economic discrimination because it is more insidious, less tangible. Economic disadvantages involve ascertainable amounts, but the very nature of societal value judgments makes them harder to define, their effects harder to relate.”
—Anne Tucker (b. 1945)
“If he had been sent to check out Bluebeards castle, he would have come back with a glowing report about the admirable condition of the cutlery.”
—Mary McGrory (b. 1918)