jlt wrote:
The previous move was indeed approach on the bottom left. Instead of that move, LZ157's main line is the following, but I don't understand the purpose of the exchange
.
- Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . 1 . . . |
$$ | . . . . . . . . . . . . . . a O 2 . . |
$$ | . . . . 9 . . . . . . . . . . X O O . |
$$ | . . . O 7 6 . . . , . . . X . X X O . |
$$ | . . . . 8 3 . 4 . 5 . . . . . X O O . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
It's a case of get it while you can. If Black waits until White plays at
a, White will not respond at
to
. In fact, Black will not play at
1 in that case.
The exchange,
-
is also why White does not play
at
a. It does not accomplish so much, now.
I would be happy to find
in this position.