Légal Trap

One of the methods of fast checkmate in chess game

The Légal Trap or Blackburne Trap is a chess opening trap, characterized by a queen sacrifice followed by checkmate involving three minor pieces if Black accepts the sacrifice. The trap is named after the French player Sire de Légall. Joseph Henry Blackburne, a British master and one of the world's top five players in the latter part of the 19th century, set the trap on many occasions.

This keyword could refer to multiple things. Here are some suggestions: