## by: Klaus |
26-Mar-2023, 09:10 | |

after basic and careful elimination the situation seems a bit desperate. but some assumptions in row C give rather short contraditions to Setti on 8. and thats enough, beautiful puzzle. |

## by: Cosmanita |
26-Mar-2023, 22:01 | ||

Nice one, and as Klaus said, a close look on C and setti 8 is a good start, I also needed to include column B and a X-Wing on 6. |

## by: ralph maier |
27-Mar-2023, 20:36 | ||

After basics etc mysolution was based on high low in column2 w3as my way tothe solution . Low inthee lcolumn ghj column2 leads to a contradiction after it it was carefull eliminations |

## by: pax |
28-Mar-2023, 09:00 | ||

Used a HC to decide hi/low in D. |

## by: ralph maier |
29-Mar-2023, 06:56 | Add to this thread | |

sorry i meant column5 not2 | |||

## by: Martinus |
26-Mar-2023, 08:41 | ||

Very nice excercise, needed settis and b settis. Thanks a lot! |

## by: pax |
26-Mar-2023, 11:02 | ||

Since the B-explanations last week I know, what b setties are... helps a lot :) . Thanks, kst! |

## by: AR |
26-Mar-2023, 17:07 | ||

Could you please share the information? Thank you! |

## by: Mikele |
26-Mar-2023, 22:48 | ||

please anybody explain b-setti again |

## by: Aubinger |
27-Mar-2023, 16:21 | ||

In the archive box above select the puzzle from last week and press 'show puzzle'. Then you will get discussion from last week. |

## by: AR |
27-Mar-2023, 18:10 | ||

Thank you so much, Aubinger. |

## by: Mikele |
27-Mar-2023, 21:25 | ||

Thank You, Aubinger |

## by: Aubinger |
28-Mar-2023, 22:04 | ||

@AR, @Mikele: You're welcome. |

## by: kmr |
29-Mar-2023, 08:25 | ||

Very difficult for me. Key was that there are only two numbers possible for J2, one leads to a missing number in column 7 or 8. Then very CE and still not easy to spot all the x-wings. |

## by: BP |
30-Mar-2023, 05:44 | ||

Another fine example for the power of B settis, which for example helps clear J2 immediately. B setti on 8: After initial CE (NQ12345 in Box9, NQ5789 in Box1) it's clear that 8 is not in col 1 and not in A. Since 8 in Box1 this means that 8 must be missing from Box 2 or 3 AND from Box 4 or 7. Therefore 8 is missing from another row and another col, which can only be col 9 and J. setti 2: J2=2 B setti on 8,9: 8 and 9 are the only digits missing from rows A,B,C. Since 8 is missing from Box3, 9 must be missing from Box2, which implies BC5=68. By the same argument 9 is missing from Box6, which implies 9 not in E. Thank you, kst, for this enjoyable exercise. |

## by: ralph maier |
30-Mar-2023, 06:03 | Add to this thread | |

quite a hard1 one after many years of absence from my side/ looking at the posts idid BPs reasoning not being aware of it . Iussed 1 guess in A23 about the ositions of the 5and7 THE REST WAS SEELIMINATIONS AND LOGIC. | |||

## by: Martinus |
26-Mar-2023, 09:32 | ||

Also a nice difficulty level, b settis and settis. Thanks! |

## by: BP |
29-Mar-2023, 13:05 | Add to this thread | |

What a beauty, tough but chainfree. VCE (especially in J and boxes 1 and 9) and B settis did it. Many thanks, kst! BTW: This puzzle contains another nice example how to use B settis. After initial CE it's clear that 2 in cols 1,2,3,4,5,6 and therefore in boxes 4,5. Since 2 is in box 6 from the beginning this implies that 2 must be in D,E,F, which is very helpful. | |||

## by: proteus |
26-Mar-2023, 20:18 | ||

thanks kst for this tricky puzzle. needed all the x-tools and some careful considerations in A123 in the end. |

## by: BP |
27-Mar-2023, 19:37 | ||

Very nice. Standard tools plus one almost fish to solve A1. |

## by: MavenKC |
28-Mar-2023, 12:39 | Add to this thread | |

Took me exactly 1hr. Great challenge! | |||

## by: Martinus |
26-Mar-2023, 18:56 | Add to this thread | |

One very interesting UR/wing-combination, plus normal UR and settis. Very enjoyable. Thanks! | |||

## by: Fred |
26-Mar-2023, 07:35 | |

Heftig. Falls nicht noch irgendein Hint daherkommt, für mich völlig uninteressant. |

## by: Rübennase |
26-Mar-2023, 12:36 | Add to this thread | |

Tricky! I started over twice, having jumped conclusions. CE on F1 and rows CD. Two Setti-assisted HCs to trim compartment ranges in col 1. Enter an Xwing (that I wish I had seen much earlier!) and the puzzle collapses. | |||