Skewer, Pin and X-Ray Attack
Por um escritor misterioso
Descrição
What is the difference between a pin and a skewer in chess? - Quora
Winning Chess Tactics (revised edition)
An “X-Ray Attack”? : r/chessbeginners
Chess Tactics Guide - Chess Game Strategies
X-ray - Chessprogramming wiki
Forks, Pins, and Skewers
An “X-Ray Attack”? : r/chessbeginners
fightMINDFIT
The Discovered Attack in Chess
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