zetamath sudoku stream

Come chat with us as zetamath solves puzzles and talks about setting!
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For a list of puzzles we've done on this channel, and list of puzzles zeta has created, see zetamath.link/...
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Stream rules:
1. Be respectful to me and to everyone else, whether they are present in chat or not.
2. Help with the puzzles is welcome!
3. If I mispronounce your screen name, please tell me and I will do my best to pronounce it how you like.
4. This stream supports trans rights. There will be no debate about this in chat. I endeavor to get people's pronouns right, and if I do not know someone's preferred pronouns I will default to they/them.
Puzzles done this stream:
"Chackstones" by dumediat
Logic Masters Germany: logic-masters....
SudokuPad: tinyurl.com/4w...
- Normal sudoku rules apply.
- XVXV: Cells connected by a V must sum to either 5 or 15, and cells connected by an X must sum to either 10 or 15. Not all possible Vs and Xs are given.
- Kropki pairs: Numbers separated by a white dot are consecutive, and numbers separated by a black dot have a 1:2 ratio. Not all dots are given.
- X-sums: Clues outside the grid (gray cells) give the sum of the first N digits in their respective row or column, where N is the digit nearest the clue.
"Address Book" by zetamath
Logic Masters Germany: logic-masters....
SudokuPad: tinyurl.com/ye...
Normal sudoku rules apply. Normal killer rules apply.
Additionally, if a cage contains the digits XYZ in that order (left to right or top to bottom), then Row X Column Y is Z.
"Ocean Spray" by Florian Wortmann
Logic Masters Germany: logic-masters....
SudokuPad: tinyurl.com/5x...
Normal sudoku rules apply.
Box borders divide each blue line into segments with the same sum.
"Psöcho" by Palfly Kampling
SudokuPad: tinyurl.com/y4...
Place the digits 0-6 into every row, column, box and the extra region (black cage) exactly once each. To accomplish this there are 6 cells in the grid that contain 2 digits, called schrödinger cells.
Psycho killer: A digit in a red cage N points to a digit in box N that is in the same relative position in the box. For example, a 4 in r6c3 would point to the same position in box 4, so r4c6.
For the purpose of this the extra region will count as box 0.
The number in the top left of a cage gives the sum of digits in all the cells being pointed to.
"Rent Band" by Pallando
SudokuPad: tinyurl.com/c6...
Standard 6x6 sudoku rules apply.
Standard renban: Digits on a line come from a consequtive sequence, in any order.
Standard kropki: black dots indicate a pair of cells where the digit in one of them is twice the digit in the other. Not all dots necessarily given.

[@douglasreay1648]

Thank you for the solve. Different path than I expected, which is always fun. (The renbans in box 1 and box 2 force there to be exactly a 3 different between the value of r1c2 and r2c2.)