The original chess webserver
Bonus Games
Try a Chess Training Game
Classic Sudoku
About this Game
How to Play
Trivial
Good intro for beginners
Basic
Technique Difficulty:
1
Clue Difficulty:
1
SDKCB
Intermediate
Technique Difficulty:
3
Clue Difficulty:
2
SDKCI
Advanced
Technique Difficulty:
5
Clue Difficulty:
3
SDKCA
Custom
Technique Difficulty:
1
2
3
4
5
6
Clue Difficulty:
1
2
3
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