The 0-1000 rated puzzles on chess.com have been training me for

Leads on these Polish or Russian pieces? - Chess Forums

Puzzles for chess players and enthusiasts

2332 rated puzzle on chess.com. 55.6% pass rate : r/chess

Chess Position Worth Sharing 135 – Daily Chess Musings

Boardle

Game of the Day!, Game of the Day!, By Chess ON

Two Systems You Need To Solve Chess Tactics Puzzles

The highest rated lichess pawn endgame puzzle [2809] : r/chess

Month and a half after starting training tactics, I hit 2300 puzzle rating on Lichess! To celebrate, here's a nice puzzle that got me over that landmark - black to move. : r/chess

2100 PuzzleHow Quickly Did You Solve It? : r/chess