A Rare Delicacy Indeed
49:59
After A Year, A Sudoku Titan Returns!
2:45:04
"One Of The Best Puzzles I Ever Solved": WARNING: VERY Hard!
20:30
DeepSeek Tried Chess... HUGE Mistake.
54:48
Just How GORGEOUS Is This Sudoku?
17:01
The rarest move in chess
57:15
The Trick That Almost Fooled The Sudoku 'Expert'
24:43
The Lever Paradox
39:56