Next 9 dan
53. Three step Ko, advantageous for black （黒有利な２手ヨセ劫）. CAUTION: Please consider to avoid real Ko. Difficulty level 3 at mimura15.jp
Research (Beta) Add / View flags
Author Onishi T
Difficulty 9 dan (history)
AVG solve time 86 sec
User attempts 1 / 49
Genre life and death ⓢ
Similar problems
Created 2020-11-11
Source Original （オリジナル）
Stars N/A
Collections
Your attempts N/A
This feature allows you to explore how other users have tried to solve this problem. The number appearing in an intersection shows how many people went down that particular path. As well as being nice for curiosity's sake, this feature also shows problem creators where they might need to add more explanations of why certain moves don't work.
User Attempts
Name User Rating When Result Path
— 28 kyu 2023-11-24 06:08:42 Failed D2 C2 D3 B2 A2 C1 D1 A1
— 13 kyu 2023-08-03 10:51:11 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 A4 C5 B4 D4
— 13 kyu 2023-08-02 13:58:13 Failed D2 C2 D3 B2 A2 C1 A4 B4
— 13 kyu 2023-08-01 07:59:38 Failed D2 C2 D3 B2 A2 C1 D1 A1
— 13 kyu 2023-07-31 15:59:53 Failed D3 A2 E2
— 16 kyu 2023-05-19 11:06:43 Failed D2 C2 D3 B2 B5 B4 C4 C1 A2 D1 E1 A1 C3
— 16 kyu 2023-05-18 13:20:37 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 A4 C5 A2 A1
— 16 kyu 2023-05-18 10:29:57 Failed D2 C2 D3 B2 A2 C1 D1 A1
— 16 kyu 2023-05-13 07:40:51 Failed D2 C2 E3
— 16 kyu 2023-05-12 08:50:27 Failed D2 C2 D4
— 16 kyu 2023-05-09 10:39:26 Failed D4
— 16 kyu 2023-05-08 11:43:52 Failed A2
:go 1 dan 2021-12-19 23:49:35 Failed E2 C2
— 14 kyu 2020-11-25 09:46:57 Failed A2
— 1 dan 2020-11-23 21:03:00 Failed E2 C2
— 25 kyu 2020-11-22 04:35:06 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 C3 A1 A4 C5 A2 A3 B4 E3
— 9 dan 2020-11-18 13:28:55 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 C3 A1 A4 C5 A2 A3 B4 E3
Count Result Path
3 Failed D2 C2 D3 B2 A2 C1 D1 A1
2 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 C3 A1 A4 C5 A2 A3 B4 E3
2 Failed E2 C2
2 Failed A2
1 Failed D4
1 Failed D2 C2 D4
1 Failed D2 C2 E3
1 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 A4 C5 A2 A1
1 Failed D2 C2 D3 B2 B5 B4 C4 C1 A2 D1 E1 A1 C3
1 Failed D3 A2 E2
1 Failed D2 C2 D3 B2 A2 C1 A4 B4
1 Got It D2 C2 D3 B2 B5 B4 C4 C1 D1 A5 A4 C5 B4 D4