36:09

Tutorial 58. Hard sudoku puzzle with lots of techniques.

35:35

Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.

6:24

Sudoku, Tutorial #34 Managaing small numbers to solve very hard puzzles.

50:47

Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.

16:14

M. Kirilin (1588) vs Pinkamena (1696). Chess Fight Night. CFN. Rapid

31:15

Sudoku Tutorial #98 The power of triplets and matching pairs.

8:07

Magnus Carlsen vs Gukesh Dommaraju 89

22:27

Sudoku tutorial #90 Part 2 You try it / I'll try it Part 2