Black has the corner and White has commenced to envelop his stones. The following continuation might occur:

WhiteBlack
5. F 18.6. D 18.
7. E 17.8. C 15.

Black’s last move in this continuation is interesting, because [[141]]it will make “Kake tsugu” no matter which way White tries to break through. If he should play at D 17, White could get through at E 16.

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XXII

Handicap

WhiteBlack
1. N 16.2. O 17. This is an alternative defense.
3. N 17.4. O 16.
5. O 15.6. N 18. This is Black’s best move. If he plays at P 15, White replies at O 18 with agood attack.
7. M 18.8. O 18.
9. M 15.10. N 14. This stone will be sacrificed, but while White is killing it Black gets advantageelsewhere.
11. N 15. White must connect.12. Q 14.

Black has the better of it.

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XXIII