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Expert Advice

Evaluating the value of each kind of end play

In
, when white play 1 , white will increase his territory by the 3 marked space because if you compare with

, which is when black play 1 , white will have to lose his territory by the 3 points and black increase his territory by 3 marked space . Hence , a move like white 1 will be 6 points (3 from gain in territory + 3 from destroying opponent's territory . )

Notice that when black play at a , white will have to respond at b in


In the above diagram, if black does not respond to white 3 , then white will play as follow in



The value of white 1 in the last diagram is 14 because if it were black turn , black can play at 1 in

and subsequently in

and would have reduce white territory by 7 points and increase own territory by 7 points . Therefore , the general formula for evaluating the value of a move is to add how much points this move can bring with how much points from opponent, this move can destroy .
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