Changes

Here, in the left diagram, White to move wins a piece with 1.Bxd3, since the black d7 rook is overloaded defending d3 and b7.However , in the right position it does not work as intended <ref>[http://www.chesscorner.com/tutorial/tactics/overloading/overload.htm Chess Corner - Chess Tutorial - Overloading]</ref>, since Black has the [[Zwischenzug]] 1... Bxf3, which also demonstrates the difficulty to evaluate chess tactics statically. White can exchange rook versus two minors with 1.Rxb7, but that seems not that simple winning either.