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Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

Description

Need a challenge, but solved all the hard katas? Here is a collection of the hardest beta katas I could find.

All are (or should be) high quality, and range roughly from 3kyu-1kyu.

(Note: I havent solved them all, so its possible the ratings on some are misleading)

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Beta
Four Color Theorem for Cylindrical Projection
13doooom
Status:Waiting for issues to be resolved
Estimated Rank:
2 kyu
Algorithms
Graph Theory
2 kyu
Generator Functions
22phantamanta44
Iterators
Functional Programming
Fundamentals
Beta
Tragic: the Maddening
9kurokikaze
Status:Testing & feedback needed
Estimated Rank:
2 kyu
Algorithms
Graph Theory
Beta
Draw the borders III - Fancy borders
4mauro-1
Status:Testing & feedback needed
Estimated Rank:
2 kyu
Geometry
Strings
ASCII Art
Algorithms
Beta
Increment a variable ...
4mauro-1
Status:Testing & feedback needed
Estimated Rank:
2 kyu
Esoteric Languages
Algorithms
Fundamentals
Beta
Fibonacci String Search
8aewhite
Status:Waiting for issues to be resolved
Estimated Rank:
2 kyu
Algorithms
Mathematics
Beta
Verified cartesian tree
4dramforever
Status:Testing & feedback needed
Estimated Rank:
3 kyu
Theorem Proving
Algorithms
Beta
Assembling a Circular Genome (Shortest Common Superstring)
8ALowVerus
Status:Awaiting approval
Estimated Rank:
1 kyu
Puzzles
Beta
Folding Tiles Solver
10docgunthrop
Status:Waiting for issues to be resolved
Algorithms
Performance
Game Solvers
Puzzles
Beta
The Church-Rosser Theorem
8donaldsebleung
Status:Ranking feedback needed
Estimated Rank:
3 kyu
Theorem Proving
Puzzles
Beta
Pentomino SOLVER
6eurydice5717
Status:Awaiting approval
Estimated Rank:
2 kyu
Game Solvers
Puzzles