SudoKanard

 Slow Thermo Overlapping Sudoku Apply classic Sudoku rules on each of the two overlapping 3×3 grids. Along each thermometer, digits do not decrease: starting from the bulb end, each digit is higher than or equal to the previous one. Solve on Penpa: https://tinyurl.com/27s73xk9

 Classic Sudoku Standard Sudoku rules apply. Solve this online on Penpa: https://tinyurl.com/2e29m5wu

  Irregular Little Killer Sudoku Place a digit from 1 to 9 into each cell so that each row, column and outlined region contains every digit exactly once. Each number outside the grid is the sum of the digits along the mini-diagonal pointed by the arrow. Solve this puzzle on Penpa: https://tinyurl.com/2c5h7jpt

 Festival de La Bresse 2021 En juillet 2021, dans le cadre du Festival de Lorraine de Scrabble, j'ai proposé un Tournoi Découverte de Sudoku. Il s'agissait d'une épreuve de 75 minutes avec principalement des variantes en 6×6. In July of 2021, in the context of a French Scrabble Festival, I organized a Beginner Sudoku Contest. It lasted for 75 minutes and included mainly variants on 6×6 grids. Livret d'instructions/Instruction Booklet Livret de l'épreuve/Puzzle Booklet Livret de solutions/Solution Booklet Le livret d'instructions contient des liens vers des vidéos d'explications des variantes avec résolution. Le livret de solutions contient aussi des liens vers des vidéos de résolution des problèmes de l'épreuve. Le livret d'instructions et le livret de l'épreuve contiennent des liens Penpa pour résoudre les problèmes en ligne. The Instruction Booklet and the Solution Booklet include links to solving videos with French commentary. The Instruction

 Full Rank Sudoku Apply classic Sudoku rules. Full rows/columns (read left-right, right-left, top-bottom, bottom-top) form 36 distinct 9-digit numbers. Their ranks from the lowest are given. Solve on Penpa: https://tinyurl.com/2laz99vw

 Battenburg Little Killer Sudoku Apply classic Sudoku rules. Whenever two odd and two even digits form a 2×2 chessboard pattern, a Battenburg marking is given. If there is no marking, the above pattern is not allowed. Each clue outside the grid indicates the sum of the digits contained in the cells in the direction of the corresponding arrow. Solve on Penpa: https://tinyurl.com/2ld3ktjp