EVENT WHITE Cho Chikun BLACK Kato Masao BOARDSIZE 19 KOMI 5.5 SOURCE BGJ 62. July 1984. Page 13. COM Copyright British Go Association 1984, 2001 ENDCOM B 1 R16 COM One of the more curious and whimsical positions that can arise is a triple ko. It usually occurs about once a year in professional games (less in amateur Go as the possibility goes unnoticed). Here is a good example between a youthful Kato Masao (Black) and Cho Chikun. The final semeai is both entertaining and instructive. ENDCOM W 2 D16 B 3 Q3 W 4 D3 B 5 P17 W 6 Q5 B 7 R5 W 8 Q4 B 9 R4 W 10 P3 B 11 R6 W 12 Q6 B 13 R7 W 14 Q2 B 15 R3 W 16 O4 B 17 D5 W 18 C5 B 19 C6 W 20 C4 B 21 D6 W 22 F3 B 23 C10 W 24 K17 B 25 C13 W 26 D10 B 27 C9 W 28 N17 B 29 F17 W 30 E17 B 31 F16 W 32 D14 B 33 D13 W 34 E14 B 35 B15 W 36 J14 B 37 G14 W 38 E13 B 39 H13 W 40 H17 B 41 H16 W 42 J16 B 43 H18 W 44 G17 B 45 G18 W 46 E18 B 47 G16 W 48 J17 B 49 F18 W 50 B17 B 51 H11 W 52 K12 B 53 J10 W 54 S16 B 55 S17 W 56 Q16 B 57 R17 W 58 Q14 B 59 K15 W 60 H15 B 61 J15 W 62 H14 B 63 L16 W 64 L17 B 65 M16 W 66 M17 B 67 G15 W 68 K14 B 69 L14 W 70 L13 B 71 M14 W 72 Q17 B 73 Q18 W 74 P16 B 75 M13 W 76 P18 B 77 L11 W 78 S15 B 79 K3 W 80 R11 B 81 O2 W 82 P2 B 83 N3 W 84 R9 B 85 S9 W 86 M5 B 87 S10 W 88 D12 B 89 C12 W 90 H3 B 91 H2 W 92 J3 B 93 J2 W 94 K4 B 95 L3 W 96 G2 B 97 L5 W 98 L4 B 99 M4 W 100 M6 B 101 N4 W 102 N5 B 103 M2 W 104 K7 B 105 S13 W 106 R13 B 107 R19 W 108 S18 B 109 T18 W 110 S19 B 111 R15 W 112 S14 B 113 R14 W 114 R12 B 115 Q15 W 116 P15 B 117 P14 W 118 Q13 B 119 O17 W 120 O18 B 121 O16 W 122 O15 B 123 N16 W 124 O14 B 125 P19 W 126 N18 B 127 T16 W 128 S12 B 129 J18 W 130 K18 B 131 K19 W 132 L19 B 133 M19 W 134 J19 B 135 M18 W 136 O19 B 137 R18 W 138 T13 B 139 T15 W 140 T14 B 141 H19 W 142 T17 B 143 T16 W 144 T15 B 145 K19 W 146 T17 B 147 T19 W 148 J19 B 149 T16 W 150 S18 B 151 S19 W 152 T17 B 153 K19 W 154 Q19 B 155 T16 COM [EBGJ - I have added a couple of laps of the triple ko to make it obvious what is happening here. === sgb] ENDCOM W 156 J19 VAR W 1 J19 B 2 P19 W 3 T17 B 4 K19 W 5 Q19 B 6 T16 W 7 J19 B 8 P19 W 9 T17 B 10 K19 W 11 Q19 B 12 T16 ENDVAR