In general connected pawns are stronger than separated pawns, but there are some exceptions. An opposing King cannot stop the promotion of two pawns when they are separated by one or more files once they have reached the 6th rank, while he is able to stop the connected pawns.
In the next diagram White will be [...]
You can find a lot of Chess lessons at this Chess Teaching site, but maybe you are looking for more. One of the sites you may be interested in is Chess Strategy. Especially when you look within the lessons category you may find some very usefull articles. To mention two recent ones: Learning from [...]
In the previous lessons we have discussed some pawn endgames and have introduced chess concepts like the King on the sixt rank and key squares. Another very usefull concept is the opposition.
We can distinguish the vertical and the horizontal opposition.
The vertical opposition occurs when two kings face each other on a file with only one square in between. This is the normal opposition and we have seen something from this opposition in the lesson about the King on the sixth rank.
The horizonal opposition occurs when two kings are on the same rank with only one square in between. This is something we have seen before in the lesson about the rook pawn.
One way of making it easier to play the endgame is by using the concept of key squares. Key squares are squares that you have to occupy with your King. If you succeed in doing so you will win the game, regardless who’s turn it is to move.
A pawn who has not reached the fifth [...]
In the Pawn’s square rule lesson you have learned that one pawn more may be enough to win the game. But if the pawn in itself can’t make it to the other side the king has to assist.
In this lesson you will see that if the assisting King is able to reach the sixth rank [...]