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Welcome to BK Academy of Chess by Tyrone Ferrara as
Black__Knight from chess.com
This is the Lucena Position.
One of the most important positions to learn
in endgame theory.
Along with the Philidor Position
This is a winning position for white.
How should black defend?
Ke7
To keep the king infront of the pawn.
How should white play?
After Rf7, how should black play?
The king maintain his position
to keep the white king locked in. And white is
unable to improve the position in this way.
The first move should be Re1+.
How should black play?
Kf6 looks good but
it is the wrost try.
Kf6 shelter white's king from checks.
So now the pawn can easily promote.
Kd6 is better than Kf6.
How should white play in this position?
The king can still excape
with Kf8.
What is black's best move?
Ke8
How should white defend the pawn?
Re7 protects the pawn and
shelters the king from checks.
Now the bridge can be built from the side.
The king supports the pawn,
the rook shelters the king,
and now the pawn can cross over to be promoted.
Black's best move is Kd7.
White is unable to improve the position
because white must make one more move before
moving the king out.
how does white successfully
move the king out from infront of the pawn
to promote the pawn.
Arom Nimzovitch calls this building a bridge.
A bridge needs to be built so that
the pawn can cross over to be promoted.
Whites best move is Re4
Re5 can also be played but Re4 is better.
How should white continue playing?
Kg5, now the rook is in position to cover the king.
Many misunderstand the concept of the bridge.
A bridge is not built to cover,
it is built to cross over.
The bridge is between g7 and g8
Now the pawn can cross over to be promoted.
Re4 shows you that white knows
how to play the Lucena but
you do not resign yet
because black can set a trap.
What is black's best try to draw this position?
Now how should white play in this positon?
Black wants white to play Re5
What is black's critical move to get the draw.
Rxg7 followed by Rxe5, and that's a draw.
Rd4 is white's best move.
Now what is black's best defense? 96 00:06:20,00 --> 00:06:24,00
Kc5 make the win easy for white.
Now what should white playu?
Rd5 to provide the king shelter.
what is black's best defense from this positon?
Kd6, attacking the rook.