Pion (skaak): Verskil tussen weergawes

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Laurens (besprekings | bydraes)
Laurens (besprekings | bydraes)
Lyn 135:
1 |__|__|__|__|kl|__|__|__|=
a b c d e f g h
|Wit se a4 pion word verbygesteek.
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'n Pion wat nie meer geblokkeer of gebuit kan word deur die teenstander se pionne nie word 'n ''vryepion'' genoem. In die digram na links het Wit 'n vryepion op a4. Swart se pion op g7 is nie 'n vryepion nie aangesien dit verby Wit se h2-pion moet gaan voor dit gepromoveer kan word. Omdat einspelle byna altyd gewen word deur die speler wat sy pion eerste kan laat promoveer kan 'n vryepion in die einspel beslissend wees. In dieslefde trant is 'n ''pionnemeerderheid'', 'n groter aantal pionne aan een kant van die bord, strategies belangrik omdat dit tot 'n vryepion omskep kan word.
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A pawn which cannot be blocked or captured by enemy pawns in its advance to promotion is a ''[[passed pawn]]''. In the diagram at left, White has a passed pawn on a4. Black's pawn on g7 is not a passed pawn, because it has to get by White's h2 pawn before it can be promoted. Because endgames are almost always won by the player who can promote a pawn first, having a passed pawn in an endgame can be decisive. In this vein, a ''pawn majority'', a greater number of pawns belonging to one player on one side of the chessboard, is strategically important because it can be converted into a passed pawn.
 
The diagrammed position might appear roughly equal, because each side has a king and five pawns, and the positions of the kings are about equal. In truth, White should win this endgame on the strength of the passed pawn, no matter who makes the first move. {{fact|date=June 2008}}
 
Lyn 155:
a b c d e f g h
|Black has doubled c-pawns.}}
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After a capture with a pawn, a player may end up with two pawns on the same file, called ''[[doubled pawns]]''. Doubled pawns are substantially weaker than pawns which are side by side, because they cannot defend each other, and the front pawn blocks the advance of the back one. In the diagram at right, Black is playing at a strategic disadvantage due to the doubled c-pawns.