Cho Chikun’sencyclopedia of life and death part third – advanced problems... “It is a matter of life and death, a road either to safety or to ruin.. Hence it is a subject of inquiry whic
Trang 1Cho Chikun’s
encyclopedia of life and death
part third – advanced problems
Trang 2“It is a matter of life and death, a road either to safety or to ruin Hence it is a subject of inquiry which can on no account
I think we can learn more by actually solving the problem, trying all the pos- sible variations; and second, the so- lutions are copyrighted It is always
black to move , so I only show pictures without any distracting text around.
Trang 3should spend on avarage a few utes on one problem – there are some rather easy problems, but on the other hand some quite hard –, so he is likely
min-to spend about three whole days (day and night) solving the problems.
I wish you enjoyment and ing in the wonderful game of go, weiqi, baduk, or whatever you like to call it.
improv-tasuki 27.11.2004 addendum:
I have reformatted the original files for both iPhone viewing and creating A6-booklets
rberenguel 15.11.2011
Trang 4problem 1
<(((((((((((((((((>[!!!!!@+++++++++++][@!@@@@+++++++++++][+@*+++++*+++++*++][+@+++++++++++++++][+++++++++++++++++]
problem 2
<(((((((((((((((((>[!+++!@@++++++++++][!@@+!!@++++++++++]
@!!@+++@+*+++++*++]
!!!@++!+++++++++++]
@@@@+!++++++++++++][+++++++++++++++++]
Trang 5!@@@@@@!!+++++++++][!@!!!!+++++++++++][!@*+++!+*+++++*++][!@!++++++++++++++][@!+++++++++++++++][+!+++++++++++++++][++!++++++++++++++][+++++++++++++++++]
problem 4
<((!!((@((((((((((>
!@@@@@@!!+++++++++][!@!!!!+++++++++++][!@*+++!+*+++++*++]
@!@!++++++++++++++][@!+++++++++++++++][!!+++++++++++++++][++!++++++++++++++][+++++++++++++++++]
problem 5
Trang 6problem 6
<!(@((((((((((((((>
@+@!@@+@++++++++++][!@!!!@+++++++++++][!!!+!@++*+++++*++][!@@!+@+++++++++++][@++@@++++++++++++][+@+++++++++++++++][+++++++++++++++++]
problem 7
Trang 7!+!+!@++++++++++++]
!+!+@+@+++++++++++]
@@@@+++++*+++++*++][+++++++++++++++++]
problem 9
<!((((((((((((((((>[!+!++++++++++++++][!+@@+@+++++++++++][@@*+++++*+++++*++][++@++++++++++++++][+++++++++++++++++]
problem 10
Trang 8problem 11
<((!((((((((((((((>[!!+++@+++++++++++][@!+!!@+++++++++++][@@!+@@++*+++++*++][+@!@+++++++++++++][++@@+++++++++++++][+@+++++++++++++++][+++++++++++++++++]
problem 12
Trang 9!!!@!+++++++++++++][++@!@+!@@++++++++][@+@@!!+@*+++++*++][++++++@++++++++++][+++@+@+++++++++++][+++++++++++++++++]
problem 13
<!(((!@(((((((((((>[!!!+!@+++++++++++][@+++!@+++++++++++][+@@@@@++*+++++*++][+++++++++++++++++]
problem 14
<!((((((((((((((((>[!!!@+++++++++++++][+++@++@++++++++++][++!@++++*+++++*++][++!@+++++++++++++][@@@++++++++++++++][+++++++++++++++++]
problem 15
Trang 10!!+++@++++++++++++][!+!!@+@++++++++++][!+@!++++*+++++*++][@+@++@+++++++++++][+@+@+++++++++++++][+++++++++++++++++]
problem 16
<!((!(((((((((((((>
@!!!+++!++@+++++++][@@@++!!@@+@++++++]
@!+@@@!++*+++++*++][!+@!!@@+@++++++++]
@@@@++++++++++++++][+++!+!+++++++++++][!+!++++++++++++++][+++++++++++++++++]
problem 17
Trang 11problem 18
<(((((((((((((((((>
@@@@!!!@++++++++++]
!!!!!@+@++++++++++][@@@@@+++*+++++*++][+++++++++++++++++]
problem 20
Trang 12problem 21
<(((!!((((((((((((>
!@@@!@!+++++++++++][!!!@@+@++++++++++][++*+++++*+++++*++][+++@+++++++++++++][+++++++++++++++++]
problem 22
Trang 13!@@@!!+@++++++++++][@+!@@@++*+++++*++][@+!++++++++++++++][+@+!+++++++++++++][+++++++++++++++++]
problem 23
<!((((((((((((((((>[@!!!@++++++++++++][@@@@!!!++++++++++][+@@!++++*+++++*++]
@@@!!+++++++++++++]
!!!+++++++++++++++][+++++++++++++++++]
problem 24
Trang 14problem 25
<(((!!((((((((((((>[!!!@!@+@++!++++++]
!!@@@!@+@+!+++++++]
!@@*+@!++!+++++*++]
@+!@+@!+!+++++++++][+!@+@!+++++++++++][+!+++++++++++++++][+++++++++++++++++]
problem 26
Trang 15!@@@+@++!+++++++++][!!@+!!+++++++++++][!@@@@@!!*+++++*++][!!!!!!+++++++++++][+++++++++++++++++]
problem 27
<(((((((((((((((((>[@+!+++!++++++++++][@!+!!@+++++++++++][@@@@@!!!*+++++*++][!++!!++++++++++++][!+!++++++++++++++][+++++++++++++++++]
problem 28
<(((((((((((((((((>
!@@@@+!+++++++++++][!!!@!+@@!!+++++++][++*!@@@!*+++++*++][++!+!!!+!++++++++][+++++++++++++++++]
problem 29
Trang 16!@@@@!++!@!+++++++][!!!@++!!@!+++++++][+!@@@@@@@!++++*++][++!+++++!!+++++++][++!+!+!++++++++++][+++++++++++++++++]
problem 30
<!(@!(((((((((((((>
@@@@@!+!++++++++++]
!!!!@!++++++++++++][++*@!+++*+++++*++][!!@@!++++++++++++][@@++!++++++++++++][!!!!+++++++++++++][+++++++++++++++++]
problem 31
Trang 17problem 32
<(((@(((((((((((((>[++@!@+@!+++++++++][++!!@+@!+++++++++][++!+!@@!*+++++*++][++!+!!!++++++++++][+++++++++++++++++]
problem 33
Trang 18problem 34
<@!!((((((((((((((>
@@@@!+!!++++++++++][@+@!+++++++++++++]
!@!@@@!++*+++++*++][!!!!!!+++++++++++][+++++++++++++++++]
problem 35
Trang 19!@@@!+++++++++++++]
!+@!!+!@@+++++++++]
@@@@@+!++*+++++*++][+++++!+@+++++++++][!!+!+!+++++++++++][+++++++++++++++++]
problem 37
Trang 20problem 38
<@!((@(!((((((((((>[@@!!++++@++++++++][+@@@!!!@+@+++++++][++*+@@!!@@++++*++][+++@++!+!@+++++++][+++++@!!!@+++++++][+++++@@@@@+++++++][+++++++++++++++++]
problem 39
Trang 21@@@!+!@!+!++++++++][!@@!++!++++++++++][!+@!@@++*+++++*++][+!!@+++++++++++++][+++@+@+++++++++++][+!+++++++++++++++][+++++++++++++++++]
problem 40
<@!!((((((((((((((>[@+@!!@+++++++++++][@@+!@+@++++++++++][!@!+@+++*+++++*++]
!+!@!!@@++++++++++][!!+++++++++++++++][+++!+++++++++++++][+++++++++++++++++]
problem 41
Trang 22!@!!++!@++++++++++][@@!!!@+++++++++++]
@!!!+@@++*+++++*++]
@++@++++++++++++++][@+@+@++++++++++++][+++++++++++++++++]
problem 42
<@!(((((((((((((((>
!@+!!+++++++++++++][@@@!@+@++++++++++]
@!!!@@+++*+++++*++][+++!+++++++++++++][!++++++++++++++++][+++++++++++++++++]
problem 43
<@!((!(@((((((((((>
!@!!!!+@++++++++++][@++++@+++++++++++]
Trang 23!@!+!@!++!@+++++++][@@!!@+!+!@+++++++]
@!!!+@@@@@@++++*++][@@!++++++++++++++][@!!+@++++++++++++][!@+@+++++++++++++][@@+++++++++++++++][+++++++++++++++++]
problem 45
<!@(@(((((((((((((>[++@@!!+++++++++++][!!@+@!+++++++++++]
!@@@+@!++*+++++*++]
!!!@+!!+++++++++++][++!!+++++++++++++][+!+++++++++++++++][+++++++++++++++++]
problem 46
Trang 24!@!*!!@++*+++++*++][@@+@@@+++++++++++][@++++++++++++++++][+++++++++++++++++]
problem 47
<(((@!((((((((((((>[@!!@!++++++++++++][@++@!!!+@@@@+++++][@!!!@@@@*+++++*++][+@@@+++++++++++++][++++@++++++++++++][+++++++++++++++++]
problem 48
<(((((((((((((((((>
@@@+!@!!++++++++++][!@+!@++++++++++++]
Trang 25problem 50
<((((@((((((((((((>[!+!+!@@++++++++++][!!!+!!@++++++++++]
!@@@@++@+*+++++*++][@++++@+++++++++++][+++@+++++++++++++][+++++++++++++++++]
problem 51
<(((((!(((((((((((>[+@+@@!+++++++++++][@!@@!++++++++++++][!!!!+!++*+++++*++][+++++++++++++++++]
Trang 26!!!*+++++*+++++*++][+++++++++++++++++]
problem 53
<(((((!(((((((((((>
@@+@+@!+++++++++++][+@!!@!+++++++++++][!@!+!!++*+++++*++][!!!++++++++++++++][+++++++++++++++++]
problem 54
<(((((((((((((((((>
!!+!+!@+@+++++++++][@!+!+@+++++++++++][@@@@@+++*+++++*++][+++++++++++++++++]
Trang 27problem 56
<(((((((((((((((((>[!+!!+++++++++++++]
!@!+@@+@++++++++++][@+@+++++*+++++*++][+@+++++++++++++++][+++++++++++++++++]
problem 57
<((!!(((((((((((((>[+@!@!+!@!++++++++][+@!@!@!++!+++++++][+@!@@!!@*+++++*++][!@@!@@@++++++++++][+!!!+++++++++++++][!++++++++++++++++][+++++++++++++++++]
Trang 28@!!!@@+@++++++++++][@!@+@+++*+++++*++][@!!!@++++++++++++][@@@@+++++++++++++][+++++++++++++++++]
problem 59
!(((!(((((((((((((>
@!+!@@+@++++++++++][+!!!+@+++++++++++]
@@!*!++++*+++++*++][+@!!@++++++++++++][@+@@@++++++++++++][+++++++++++++++++]
problem 60
Trang 29problem 61
!(((((((((((((((((>[!@+@!++++++++++++]
!!@!!+!!++++++++++]
@!!@@!!++*+++++*++]
@@@+@@++++++++++++][+@+++++++++++++++][+++++++++++++++++]
problem 62
!(((((((((((((((((>[!@@@!+!++++++++++]
!!!@!!!@!!!+++++++]
@!!!@@@@@@+++++*++]
@@@@++++++++++++++][+++++++++++++++++]
problem 63
Trang 30problem 64
<(((@@((((((((((((>
!++!!@++++++++++++]
@+!+!@++++++++++++][+!!!@+++*+++++*++][@!@@@++++++++++++][@@+++++++++++++++][+++++++++++++++++]
problem 65
<(@@!@@(((((((((((>[++!!!@+++++++++++][!+!+!@+++++++++++]
Trang 31!@@@@@@!++++++++++][!+*+++!+*+++++*++][+!+!+!+++++++++++][+++++++++++++++++]
problem 67
<@(@@@@!@(((((((((>[+!!!!+!@+++++++++][@@++@!+@+++++++++]
@!!!!@@@+*+++++*++][@@@@+++++++++++++][+++++++++++++++++]
problem 68
Trang 32!@@!!!!@!!++++++++][!@@@@@@+*+++++*++][!@+++++!+++++++++][+!@@+!+!+++++++++][!+!!!++++++++++++][+++++++++++++++++]
problem 69
<(((((((((((((((((>[!@++++!+!++++++++][+@!!!!@+!++++++++][!@@!@@@+*+++++*++][!!@@++++!++++++++][++++@@+@+!+++++++][+!!!++++!++++++++][++++!+!++++++++++][+++++++++++++++++]
problem 70
Trang 33!@@!!!!@+!++++++++][!@@!@@@+*+++++*++][!!@@++++!++++++++][++++@@+@+!+++++++][+!!!++++!++++++++][++++!+!++++++++++][+++++++++++++++++]
problem 71
<(!(((!(((((((((((>[!@@+!@+@+++++++++]
!@!!!!@+++++++++++]
!@@*@+@++*+++++*++][@++@+@+++++++++++][+@+++++++++++++++][+++++++++++++++++]
problem 72
Trang 34problem 73
<((!((((((((((((((>[!@@@!!+++++++++++][+!@+@!+++++++++++][+!@+@+!+*+++++*++][+!+@@++++++++++++][+!+!!!+++++++++++][+++++++++++++++++]
problem 74
Trang 35@!++@++@++++++++++]
!!+@+++++*+++++*++][+++++++++++++++++][@+@++++++++++++++][+++++++++++++++++]
problem 75
<((@((((((((((((((>[!!@!+!@++++++++++]
!@@@@!++@+++++++++][!@@!!@@+*+++++*++][!!!@@++++++++++++][+++++++++++++++++]
problem 76
<((@@@((((((((((((>[!!@!@++++++++++++]
!++!!@++++++++++++]
!@@*+@+@+*+++++*++]
@!!!!+++++++++++++]
@@@@@@++++++++++++][+++++++++++++++++]
Trang 36!!@!!!@!+!@+++++++]
@!@@@@!!+*@++++*++]
@@++++@@@+@+++++++][+@+++++++++++++++][+++++++++++++++++]
problem 78
<((!!(((((((((((((>[+!@!@@!++++++++++][@+@!@+!++++++++++][++@@!!++*+++++*++][+++++++++++++++++][++@++++++++++++++][+++++++++++++++++]
problem 79
Trang 37!@!@!!+!+*+++++*++][@@@++++++++++++++][@++++++++++++++++][+++++++++++++++++]
problem 80
<(((((((((((((((((>[+@!!!@+++++++++++]
!@@!@@@+++++++++++][!@@!++++*+++++*++]
!+!!!+++++++++++++][!++++++++++++++++][+++++++++++++++++]
problem 81
Trang 38problem 82
<@@@(!((((((((((((>
!@!!@@!+++++++++++][!+!!@!+++++++++++][+!@@+!++*+++++*++][++!+!++++++++++++][!+!++++++++++++++][+++++++++++++++++]
problem 83
<(!(((((((((((((((>[+!++!@+++++++++++]
!!!++!@+++++++++++]
Trang 39problem 85
<((((((@((((((((((>[+@!!@@!@+++++++++][@!+!@!+!+++++++++][++!@!!+!*+++++*++][+@@@!+!++++++++++][++!!+++++++++++++][+!+++++++++++++++][+++++++++++++++++]
problem 86
Trang 40!+@+!+@+++++++++++]
@@+@!@++++++++++++]
!!@@!@+++*+++++*++][+!!@@++++++++++++][!++!+++++++++++++][+++++++++++++++++]
problem 88
Trang 41problem 89
<((!@@((((((((((((>[+!+!@++++++++++++][!++!@++++++++++++][++*!@+++*+++++*++]
@@@@@+++++++++++++][+++++++++++++++++]
problem 90
Trang 42@@!!!@+++*+++++*++][+@@@+++++++++++++][@++++++++++++++++][+++++++++++++++++]
problem 91
<(((((((((((((((((>[+!!++++++++++++++][!@@@+@+++++++++++][!+*+++++*+++++*++][@@+++++++++++++++][+++++++++++++++++]
problem 92
<((((((!((((((((((>[!@@@@@@!!!+++++++][@!!!!!!++++++++++][@!*++++!*+++++*++]
Trang 43!!@@@@@@++++++++++]
!!+*+++++*+++++*++]
@@@+++++++++++++++][++@++++++++++++++][+++++++++++++++++]
problem 94
<(((((@(((((((((((>[+!+!!@+++++++++++][!@!++@+++++++++++][!@@@@+++*+++++*++][@++++++++++++++++][+@+++++++++++++++][+++++++++++++++++]
problem 95
Trang 44problem 96
<(((((((((((((((((>[+!!@+@+++++++++++][!@@++++++++++++++][++*@++++*+++++*++]
!!!!@+++++++++++++]
@@@@@+++++++++++++][+++++++++++++++++]
problem 97
Trang 45problem 98
<@!(((((((((((((((>[@!+!++@++++++++++][+@!++!!@+@@++++++][@+@!!+@@*+++++*++][++@@@++++++++++++][++++++@++++++++++][+++++++++++++++++]
problem 99
Trang 46problem 100
<(((((((((((((((((>[+@+!+++++++++++++][@+@+!+!!+++++++++][@!@@@@++*+++++*++][!+!+++!++++++++++][+!!+!++++++++++++][+++++++++++++++++]
problem 101
Trang 47problem 102
<((@(@((((((((((((>[+!@@!@+++++++++++][!@!!!@+++++++++++][!@*!@+++*+++++*++][@!!!@++++++++++++][@+++@++++++++++++][+@+@+++++++++++++][+++++++++++++++++]
problem 103
Trang 48problem 104
<(((((((((((((((((>[!@+++!+++++++++++][@!@@@!+!+!+++++++][!!*++@!+*+++++*++][+++@@@!++++++++++][+!!+!+!++++++++++][++++!++++++++++++][+++++++++++++++++]
problem 105
Trang 49problem 106
<(((((((((((((((((>[!@++++!++++++++++][@!@@@@+!+++++++++][@!!!!!!+*+++++*++][!++++++++++++++++][+++++++++++++++++]
problem 107
Trang 50!@!+++++++++++++++][!@!!!@+!+!+++++++][!@*@@@++*+++++*++][@@+++++!+++++++++][!++@@+!++++++++++][+!+!!!+++++++++++][+++++++++++++++++]
problem 108
<(((@(!(((((((((((>[+!!@+!+++++++++++]
!!@@@@!+++++++++++][+@!!!+++*+++++*++]
@+@!++++++++++++++][!!+++++++++++++++][++!++++++++++++++][+++++++++++++++++]
problem 109
Trang 51problem 110
<(((((((((((((((((>
!+!@+++++!++++++++][!+@++@+!+!+++++++]
!!@*!!+++*+++++*++]
@@+++++!++++++++++][+@!++++++++++++++][@+!++++++++++++++][!!+++++++++++++++][+++++++++++++++++]
problem 111
Trang 52problem 112
<@!(((((((((((((((>
!@!++!@+++++++++++][!@@+!@!++++++++++][!@*@@!++*+++++*++][!@@++!+++++++++++][+!!!+++++++++++++][+++++++++++++++++]
problem 113
Trang 53!!@@!!@+++++++++++][@!+!@+@++++++++++][++!+@+++*+++++*++][!!@@+++++++++++++][!@++@++++++++++++][+!+++++++++++++++][+++++++++++++++++]
problem 114
<(((((((((((((((((>[+!@++++++++++++++]
!!+@!+!+++++++++++]
@!!@!++++*+++++*++]
@@@!!+++++++++++++][+++++++++++++++++][+@+@+++++++++++++][+++++++++++++++++]
problem 115
Trang 54problem 116
<(((((((((((((((((>[++@+!++++++++++++][@++@+!+++++++++++][@!*+++!+*+++++*++][!!+!+!+++++++++++][+++++++++++++++++][!++++++++++++++++][+++++++++++++++++]
problem 117
Trang 55problem 118
<(((((((((((((((((>[+@@+!++++++++++++][+!@@!++++++++++++][++!@++++*+++++*++][++!++!+++++++++++][++!+!++++++++++++][+!+++++++++++++++][+++++++++++++++++]
problem 119
Trang 56problem 120
<((((((@((((((((((>[+!!@@@!+!++++++++][++@!!+!++++++++++][++@+++++*+++++*++][++@!+++++++++++++][++@!+++++++++++++][+++!+++++++++++++][+@+++++++++++++++][+++++++++++++++++]
problem 121
Trang 57problem 122
<(((((((((((((((((>[@@++!++!+++++++++]
@+@!++!!@+++++++++][@!!@@@@+*+++++*++][!++!!!@++++++++++][!!!!@!@++++++++++][@@@@@@@++++++++++][+++++++++++++++++]
problem 123
Trang 58!+++++++++++++++++][!!@@@++++++++++++]
@@@!!++++*+++++*++][+++++++++++++++++][!+!++++++++++++++][+++++++++++++++++]
problem 124
<(((((((((((((((((>
!++!++++++++++++++][!!@@@+!++++++++++][@@*+++++*+++++*++][+++++++++++++++++]
Trang 59@@@!+++++*+++++*++][++@++++++++++++++][+++++++++++++++++]
problem 127
<(!(((((((((((((((>[++@++++++++++++++][@@!!+!+++++++++++][+!*+++++*+++++*++][+!+++++++++++++++][+++++++++++++++++]
problem 129
Trang 60problem 130
<(((((((((((((((((>[+!+++++++++++++++][+!@@+@+++++++++++][!@*+++++*+++++*++][!@+++++++++++++++][@@+++++++++++++++][+++++++++++++++++]
problem 131
<(((((((((((((((((>[+!+++++++++++++++]
@!!@@+@+++++++++++][!@*+++++*+++++*++][!@+++++++++++++++]
Trang 61problem 133
<(((((((((((((((((>[!+!!@@+++++++++++]
@!!@@!!+@+++++++++][@@@+++++*+++++*++][++@+!++++++++++++][@@!!+++++++++++++][+++++++++++++++++][!+!++++++++++++++][+++++++++++++++++]
problem 134
Trang 62@!+!+++++*+++++*++][!++++++++++++++++][++!++++++++++++++][+++++++++++++++++]
problem 135
<(((((((((((((((((>[+++++++++++++++++][@@!+++!++++++++++]
@!!@@+!++*+++++*++][++!!!++++++++++++][!++++++++++++++++][+++++++++++++++++]
problem 136
<!@(!@((((((((((((>[++!+@++++++++++++]
!!!@@+++++++++++++]
Trang 63problem 138
<((!(!((((((((((((>[+@!@!++++++++++++][!!@!!++++++++++++]
@@@@@!+++*+++++*++][!+!!+++++++++++++][!++++++++++++++++][+++++++++++++++++]
problem 139
Trang 64problem 140
<(((((((((((((((((>[@@!!+++++++++++++][!!@+@@+++++++++++][++@+++++*+++++*++][+!!++++++++++++++][+++++++++++++++++]
problem 141
<((@((((((((((((((>[@@!!!++++++++++++][!!@@!!@++++++++++]