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'''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.
=Sample=
<fentt border="double" style="font-size:24pt">8/8/pp1pp1pp/8/8/PPP2PPP/8/8</fentt>
Three black versus two white Islands
=See also=
'''[[Pawn Structure|Up one Level]]'''
[[Category:Hans Kmoch]]
