In all diagrams the first 4 moves always are made. The other moves are alternatives for the 5th move. Theoretically the alternatives gives the following situations:
5,7 = Black has a sure win 9,11 = Black has a (little) advantage 13,15,17 = The chances to win is about fifty-fifty 19 = White has a (litle) advantage 21,23,25,27 = White has a sure win
Indirect 10 - Myojo
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Indirect 11 - Shagetsu
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Indirect 12 - Meigetsu
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Indirect 13
White has a sure win.