Changes

'''[[Main Page|Home]] * [[Evaluation]] * [[Pawn Structure]] * [[Passed Pawn]] * Connected Passed Pawns'''

two or more passed pawns on adjacent files, either as [[Duo Trio Quart (Bitboards)|duo]] mutually protecting their [[Stop Square|stop squares]], or as [[Protected Passed Pawn|protected passed pawn]] defended by the second passer, may advance in tandem and are more difficult to [[Blockade of Stop|blockade]] than isolated passers. In a [[Pawn Chain|chain]] they may be best countered by a bishop blocking or controlling their stop squares. The opponent king can also hold the chain on both [[Stop Square|stop squares]], but is often obligated to stay inside the [[Rule of the Square#TheSquareofthePawn|square]] of the more advanced peak. Connected passers are in particularly strong in [[Rook Endgame|rook endgames]], but may be worse than two distant isolated passers in [[Pawn Endgame|pawn endgames]] <ref>[https://www.stmintz.com/ccc/index.php?id=341873 Re: passed pawn evaluation] by [[Robert Hyatt]], [[CCC]], January 12, 2004</ref>.