how to find mating patterns on chess

hi today i will teach you how to find checkmate patterns on chess!

we will cover 3 checkmate patterns and work step by step!

1.

did you see? the queen moved  to 7th rank but not the 8th rank because if the queen moved to the 8th rank the rook will capture the queen and you cant take with the rook because the pawn will promote if played correctly and even if we don't take its impossible for white to win if played correctly so the only move that works for checkmate is queen to the 7th rank because now the king has to move to the right and now we sacrifice the QUEEN!! on the 8th rank now because the rook has to take and we take with rook and now its checkmate!

2.

2.The rook slammed on to the king and because of the bishop he was forced to go to the back rank and we mated him with the rook this is the famous  back- rank- mate

3.

you could checkmate from both rooks  never capture the free pice just checkmate the 2 

rook mate