Igo Hatsuyôron 120 (2015)


(.1) @	725	++	Takes the guzumi point
@	727	++	Closes the upper right corner towards the centre
@	725		Closes the upper right corner to the left
(.2) @	728	++	Gives atari in the top left corner
@	716		Secures life for her group on the lower edge
(.1) @	730a	Jigo	Plays atari in the corner
@	730b	+ 1	Occupies the guzumi point
@	730a		Continues with the "usual" endgame sequence
@	730c	+ 1	Occupies the guzumi point
@	730a		Continues with the "usual" endgame sequence
@	730ca	Jigo	Plays the hasami-tsuke
@	730caa	Jigo	Occupies a liberty
@	730cab	+ 3	Dispenses with playing "her" kikashi in the bamboo joint
(.1) @	730cac	+ 3	Plays her "kikashi" after having captured the hanezeki's tail
(.2) @	730cac	+ 4	Plays the oki in the lower right "very late"
@	730cab		Occupies a liberty in the Main Semeai
@	730caa		Plays her own kikashi in the bamboo joint
@	730ca	+ 1	Michael Redmond's kikashi
@	730a		Plays the "classical" push
(.2) @	730d	+ 2	Plays the tsuke of Yamada Shinji
@	730e	+ 2	Continues with the "usual" endgame sequence
@	730f	+ 3	Continues with the "usual" endgame sequence
@	730g	Jigo	Continues with the "usual" endgame sequence
@	730f		Plays the guzumi
@	730e		Occupies the guzumi point
@	730d		Plays the guzumi
@	717		Takes Black's nakade off the board
@	730a	Jigo	Plays atari in the corner
@	717		Gives atari in the nakade

@	731	+ 4	Plays a "late" guzumi
@	732	+ 4	Starts the ko on the left edge
@	735	+ 1	Finishes the ko inside the nakade on the left side
@	732		Plays the tsuke of Yamada Shinji
@	736	++ (Ko)	Re-captures the ko
@	732		Continues with the endgame in the upper left corner
@	731	+ 3	Answers the guzumi locally
@	718		Connects his single stone in atari
@	730a	Jigo	Plays atari in the corner
@	718		Occupies the guzumi-point
@	737a	+ 5	Retreats
@	718		Blocks Black's push

@	738	Jigo	Plays the hasami-tsuke in the upper right corner
@	738a	+ 3	Michael Redmond's kikashi
(B) @	738b	+ 2	Connects solidly
(C) @	738c	+ 3	Plays the tsuke of Yamada Shinji
(D) @	738d	+ 3	Plays the "classical" atari
@	738h	+ 2	Captures White's two stones
@	738d		Blocks the corner
@	738g	+ 1	Plays atari at top right
@	738d		Plays hane at the top left
@	738f	+ 1	Connects at the top left
@	738f	+ 1	Continues occupying liberties, connects 2nd hasami-tsuke stone later
@	738f		Defends the lower left corner
@	738d		Captures White's two stones
@	738e	+ 2	Lives in the upper right
@	738d		Connects
@	738a		Gives atari
@	738		Further occupies liberties
@	739	+ 4	Gives atari on the hasami-tsuke stone
@	738		Plays nozoki on the upper edge
@	740	++	Pre-empts White's endgame in the upper left corner
@	738		Answers the nozoki locally
@	741	++	Connects the hasami-tsuke stone
@	738		Continues with occupying liberties
@	718		Pushes into the upper right corner from the left
@	742	++	Pushes further into the upper right corner from the left
@	744	++	Captures White's single stone in the upper right
@	742		Continues with occupying liberties
@	719		Takes a liberty on the left side
(A) @	745	+ 4	Gives atari on Black's single stone at top (Semeai Variation)
@	747	Jigo	Takes the hanezeki's tail off the board
@	745		Closes her territory on the upper edge
(B) @	749	Jigo	Plays the tsuke of Yamada Shinji (demonstrative continuation)
@	720		Takes the hanezeki's tail off the board (Capture Variation)
@	751	+ 2	Plays the tsuke of Yamada Shinji
@	720		Gives atari on Black's single stone on the upper edge
@	752	+ 3	Connects the stone in atari
@	721	Jigo	Closes his territory in the top left corner

:: Igo Hatsuyôron 120 (2015)

Variations of the Professional Solution

Variation Tree