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'''[[Main Page|Home]] * [[Board Representation]] * [[Bitboards]] * [[Pawn Pattern and Properties]] * Pawn Islands'''
[[FILE:Drowned.jpg|border|right|thumb|link=http://chgs.elevator.umn.edu/asset/viewAsset/57f3b6787d58ae5f74bf8ba9#57f3b6d77d58ae5574bf8bbd|[[:Category:Samuel Bak|Samuel Bak]] - Drowned <ref>[http://chgs.elevator.umn.edu/asset/viewAsset/57f3b6787d58ae5f74bf8ba9#57f3b6d77d58ae5574bf8bbd Chess in the Art of Samuel Bak], [http://www.chgs.umn.edu/ Center for Holocaust & Genocide Studies], [https://en.wikipedia.org/wiki/University_of_Minnesota [University of Minnesota]]</ref> ]]
'''Pawn Islands''' of either side are groups of pawns (at least one), separated by files without own pawns. Those files are therefore either [[Pawns and Files (Bitboards)#HalfopenFiles|halfopen]] or [[Pawns and Files (Bitboards)#OpenFiles|open]]. All other things being equal, the side with fewer pawn islands has an advantage, because the individual pawns are easier to defend against enemy attacks. Each island has a west- or east border file. Rook-files may be the most outer borders.
