https://bishopschessart.blogspot.com/2022/11/infinite-chess.html
BackRank Mate (Double and Single Knight helper)
Puzzles with this TechniqueA back rank Mate where 2 Knights or 1 Knight Check the king forcing a defending rook off the back rank.
https://lichess.org/training/9nFJa - 1726 Rank
https://lichess.org/training/fk9ka - 1812 Rank
https://lichess.org/training/HDBSs - 1833 Rank
https://lichess.org/training/Qm7vz - 1800 Rank
https://lichess.org/training/dOnVQ - 2347 Rank
https://lichess.org/training/eCT6p - 1840 Rank
https://lichess.org/training/P2Akz 1642 Rank
https://lichess.org/training/VMNTS - 1791 rating
https://lichess.org/training/YUcoA - 2306 Rating
https://lichess.org/training/vkEk7 - 1815 Rating
https://lichess.org/training/HDBSs - 1776 Rating
https://lichess.org/training/TO7Oq - 2121 Rated
https://lichess.org/training/O2ox1 - 2415 Rated