## Sudoku Variants Series (062) - Rossini Sudoku

(Published on 3. February 2015, 00:00 by Richard)

For this Sudoku Variants Project I have planned to publish a different Sudoku variant every Tuesday. I will see how long it takes before I am running out of ideas.

Rossini
Place the digits from 1 tot 9 in every row, column and 3x3-block. The arrows outside the grid indicate that the first three digits are in ascending or descending order (the highest digit is at the sharp end of the arrow). If there is no arrow outside the first three digits cannot be in either ascending or descending order.

Solve online in Penpa+ (thx Nick Smirnov!)

Solution code: Row five, followed by column 5.

Last changed on on 14. July 2022, 10:27

Solved by tuace, KlausRG, zhenxiao, EMREdersin, marcmees, r45, zorant, zuzanina, mango, flaemmchen, Luigi, MaM, 111chrisi, Krokofant, Statistica, Uhu, AnnaTh, Senior, lutzreimer, saskia-daniela, ibag, ... AstralSky, CGeom, Sherlang, Nylimb, mjozska1985, losingreallybadly, Hydalin, Jordan Timm, creo, kaysis, maeffchen, mluciano98, tompko, martin1456, fuxia, tamz29, sinchai4547, k2u5as, Terrapin
Full list

on 14. July 2022, 10:27 by Richard

on 14. December 2020, 09:02 by Nick Smirnov
Penpa:
https://git.io/JLUIo

on 4. November 2016, 05:57 by Richard
@ohm0123: so far 36 players have rated this puzzle at 'very nice'. If you understand the logic of this type, it is not very hard; in this case it is very helpful to look at places without an arrow outside the grid to proceed.

on 4. November 2016, 02:50 by ohm0123
It's very hard. It's not nice at all.

on 30. October 2016, 04:49 by Richard
@Sunhokim8: In your solution there are multiple places where the first three cells are in- or decreasing while there is no Arrow outside the grid. This is not allowed.

on 4. February 2015, 05:19 by RALehrer
Cool - thanks!

Last changed on 3. February 2015, 22:10

on 3. February 2015, 22:10 by pin7guin