Medium Sudoku: carry the pattern into denser space.
Medium Drift is the bridge between instant placements and a board that needs patient elimination. It begins with one fewer clue than Easy’s final board and continues to compress the information field across its 200-board course.
Medium Drift
Medium Drift is the bridge between instant placements and a board that needs patient elimination. It begins with one fewer clue than Easy’s final board and continues to compress the information field across its 200-board course.
Format checkA 9×9 classic Sudoku tier. Candidate notes become more useful as immediate placements thin out.
Start with a trustworthy process.
Use the same reliable loop at every 9×9 level: scan the crowded unit, check the crossing unit, record candidates only when needed, then place the value that survives all three constraints.
Read the first-solve walkthrough →- 01Read the givens
Find the row, column, or box where only a short list remains.
- 02Eliminate visibly
Let crossing constraints remove candidates; never promote a guess into a rule.
- 03Protect the board state
Use notes and undo as deliberate tools, not as a reason to rush the placement.