![I can do hard rated puzzles in under 4 minutes but when I go up 1 level to expert I get stuck with these combinations, any names of techniques I can research I can do hard rated puzzles in under 4 minutes but when I go up 1 level to expert I get stuck with these combinations, any names of techniques I can research](https://i.redd.it/rnjk2ma1s4891.jpg)
I can do hard rated puzzles in under 4 minutes but when I go up 1 level to expert I get stuck with these combinations, any names of techniques I can research
![logical deduction - After here should I guess or is there a logic solution on Sudoku? - Puzzling Stack Exchange logical deduction - After here should I guess or is there a logic solution on Sudoku? - Puzzling Stack Exchange](https://i.stack.imgur.com/UAiyPm.png)
logical deduction - After here should I guess or is there a logic solution on Sudoku? - Puzzling Stack Exchange
![As far as I can get with Snyder unless I've missed something. Still trying to learn the advanced stuff but I need fresh eyes. : r/sudoku As far as I can get with Snyder unless I've missed something. Still trying to learn the advanced stuff but I need fresh eyes. : r/sudoku](https://preview.redd.it/as-far-as-i-can-get-with-snyder-unless-ive-missed-something-v0-j91b503ffm5a1.jpeg?width=1239&format=pjpg&auto=webp&s=46d9cc02f331030630a0fa772d3e3af39b86f946)