A series of simple puzzles:
(Puzzle #1)
(Puzzle #2)
Tricky pawn!
Sort:
(Puzzle #3)
(Puzzle #4)
(Puzzle #5)
You apparently made a serious attempt to create a cluster of related puzzles. There are some glitches like the move 7. Ne8 in the last puzzle is not the only one to draw. StockFish evaluations like -.47 are insufficient for a black win. The puzzle therefore really stop after 6. d7! and you could add the move 7. Ne8 as an example line in the comments but not as a requirement to solve. In another puzzle you wrote that b7! is the only way "to win" where you apparently meant "to draw". I did not check all puzzles.
Btw, you ought to state for every puzzle whether it is a win or a draw like all real puzzle makers do. Chess.com has the weird habit of not instructing you what the objective of a puzzle is which gives everybody here a bad education on making puzzles.
Yeah, I meant «to draw» for b7. Also, thanks for the feedback. These are amongst the first puzzles I posted here, and I will take this into account the next times I make puzzles 
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