![]() StartingPoints Referenced by
|
Capturing Race Exercise 7 Solution
Keywords: Problem
This isn't interesting I guess...
White 1 is the tesuji to delay Black's approach move at a. After White 3, having a shortage of liberties, Black is unable to play at a.
If Black captures with 4, White 5 wins the capturing race by one move.
Bonus question: How many liberties (approach moves) does White have? If Black plays first, White has 1 liberty left. If White plays first, she threatens to capture 2 stones and live, gaining an infinite number of liberties, so Black must reply. Now White has 3 liberties. As a combinatorial game?, White's liberties look like this: { -1 || -3 | -infinity } (As with scores, we use negative numbers for White values.) This is not a number, it is a game. White has a 2 liberty sente, with a liberty count of -3. Black's reverse sente gains 2 liberties instead of the usual 1. This is a copy of the living page "Capturing Race Exercise 7 Solution" at Sensei's Library. ![]() |