Problems and Exercises
There are more than two thousand go problems on Sensei's Library, often with annotated solutions. Here is a non-exhaustive^{[1]} list of indexes to such Go problems and a few isolated pages.
Before you add a problem to SL, kindly check about posting problems.
Table of contents |
Classical Problem collections
(From easy to difficult)
- Gokyo Shumyo Tsumego Series (500+ problems, Classified by type) (碁経衆妙 19c. Japan)
- Gokyo Seimyo Tsumego Series (143, Mixed, including 44 Tesuji inside territories) (碁経精妙 19c. Japan)
- Xuanxuan Qijing Problems (350, Mixed) (玄玄棋經 14c. China)
- Xian Ji Wu Ku Problems (148, mostly Life & Death) (仙機武庫 17c. China)
- Shikatsu Myoki Tsumego Series (168, Life & Death and Capturing race) (死活妙機 Early 20c. Japan)
- Igo Hatsuyo-ron Problems (183, Life & Death and tesuji) (囲碁発陽論 18c. Japan)
Indexes by difficulty level
- Beginner Exercises (300+ problems)
- Beginner move function problems (5)
- Kyu Exercises (200+)
- Dan Exercises (~100)
- Have a go at them Unsolved problems
Indexes per game stage
Indexes per specific tactics
- Spot the Atari
- Bent four in the corner exercises
- Snapback Workshop
- Under The Stones Problems
- Ladder problems and exercises
- Capturing Race Exercises
- Stone Escape Problems
- Hane connect exercises
- Door group exercises
- Six die exercises
Indexes per essential concepts
- Joseki Related Life And Death
- Joseki exercises
- Shape Problems
- Miai Exercises
- Thickness Exercises
- Haengma exercises
- Don't help your opponent exercises
- Shortage of liberties exercises
- Positional Judgment Questions
Problem sets from real games
- Tsumego from games (170+)
- Tesuji from games (18)
- Big Question Mark
Other indexes
- Random Tsumego
- One Day 1 Problem
- Hikaru no go Problems
- fusojigen / problems
- Symmetric Problems
- Blind spot
- Reading problems
- Isolated problems
- Tim Hunt's problems
- Hitachi Go Problems (outside link to Internet archive; only a part of the original 2,000+ problems are archived)
- Ko Threat Exercises
Challenges, Puzzles and Oddities
- Worst Move Problems: Play the worst possible move
- Oddities: singular puzzles
- Rules Disputes: a collection of disputed outcomes of a game
- 3x4 Problems: small boards set surprising challenges
- Retrograde Analysis: Reconstruct the problem from the solution
- Retractor Problems: Take back a move
- Three Liberties Go Problems: Exercises on this go variant
- Construction Problems: Problems where you must construct a certain shape or position, which departs from the game's nature.
Elsewhere (not on SL)
See Go Problems on the Internet
Conventions
- About posting problems
- Tsumego conventions
- Shitsudai - problem with more than one solution or no solutions
- Assumptions of yose problems
- Board geography
Discussion
[1]
You can also do an advanced findpage, with pagetype "none", setting the desired difficulty and keyword "problem" plus others like "opening", "tesuji", ... . If looking for a topic exercise you can add the topic to the name field.