8 2 6 2
3
7 1
4
1
7 3
2
8
3 1
7
5
6 5
6th Czech sudoku championship Brno, 10. a 11. 9. 2011
2
Booklet
Puzzles with a given example Needlework
Bags with gold
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Nine horizontal and nine vertical strips are given to be ordered and interlocked (one cell up, one cell down) to form a valid sudoku grid.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. There are six bags with gold in the grid. One- or two-digit number on each bag shows the total of gold. A thief is sitting in each cell that is sharing an edge with the bag. Digits in these cells show portions for individual thieves.
1 2 2 4 6 5
3
1 2 4 3 2 5
2
1 3 3 1 4 4 2 6 1 2 3 1 4 4 6 4 5 6 5 6 3 2 5 1 6 1 5 4 3 2
2 5 3 1 6 4
3 4 2 6 5 1
4 6 1 3 2 5
1 2 6 5 4 3
5 3 4 2 1 6 6th Czech sudoku championship
6
4
5 6 1
3
4 6 1 5 2 3
6 6 5 1 3 6
1 2 6 3 4 5
5 5 2 1 5 4
5 3 4 2 1 6
4 6 3 3 3 5
3 4 2 6 5 1
3 3 2 4 5 4
2 5 3 1 6 4
1 3 1 2 6 6
6 1 5 4 3 2
1 2 6 2 4 5
Brno, 10. a 11. 9. 2011
Diagonal square
Odd sum pairs
Fill in the grid with digits 1 to 5 (7), so that each digit occur exactly once in each row, column and on both main diagonals.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Sum of digits in marked pairs of cells is always odd.
4
5 1 6 2 3 4
2
4 3 1 5 6 2
1 3 4 5
2 6 4 3 5 1
6
3 2 5 1 4 6
2 6
5
6th Czech sudoku championship
5 6 5 2 4 1 3
2 4 1 5 3
1
3 1 5 2 4
1
5 3 4 1 2
4
5
4 5 2 3 1
2
4
1 2 3 4 5
3
1
1 4 3 6 2 5
3
Brno, 10. a 11. 9. 2011
Wordsearch
Cubic building
Fill in the grid with appropriate letters, so that each letter occurs exactly once in each row, column and outlined box. In a solved grid one can read following non-overlapping words in some of eight directions: ÈESKO, SLOVENSKO, POLSKO, LOVE.
Fill in the grid with digits 1 to 8, so that each digit occurs exactly once in each marked region and in 12 lines of three directions (each line consists of 8 quadrilaterals sharing opposite sides).
!
2
S ! S U D K O
O D S K ! U
6th Czech sudoku championship
U K ! O S D
keyword: SUDOKU
K O D ! U S
D
D U K S O !
!
S ! O U D K
U
4
1
3
4 3 4 1 1 2 3 3 2 1 42
K
Brno, 10. a 11. 9. 2011
All diagonals
Zebra counting
Fill in the grid with digits 1 to 7, so that each digit occur exactly once in each row and column. No digit can be repeated on any diagonal.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Number given in a cell shows the total of digits reachable from that cell with one zebra jump. Two steps in one direction and three steps in the other compound together give a zebra jump.
6
5
6
12
8
5
5
6
6 6
6
12
7 5 8
x
8
x
4 3 2 6 1 5
x
6
x
6
6 5 1 3 4 2
4
4
12
2 1 4 5 3 6
8
5 4 3 2 6 1
5
12
8
3 2 6 1 5 4
4 1 5 3 2
5 3 2 4 1
2 4 1 5 3
1 5 3 2 4
3 2 4 1 5
4
7
1 6 5 4 2 3
3
8
2
Z x
x x
6th Czech sudoku championship
x
Brno, 10. a 11. 9. 2011
Puzzles with an example appointed Clock-faces
Diagonal sudoku
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Four digits around white clock-face are in increasing order clockwise. Four digits around black clock-face are in increasing order counterclockwise. All possible clock-faces are marked.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column, outlined box and both main diagonals.
An example can be found in Alternatives on www.fed-sudoku.eu
Disjoint groups An example can be found in Sudokucup 2.
Quadruples Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Each set of four small digits in the intersection of two lines indicate the digits that are in the four adjacent cells.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Moreover digits are not repeated on same position within the box.
An example can be found in Alternatives on www.fed-sudoku.eu
Diagonal pairs An example can be found in Sudokucup, round 1.
Deficit sudoku Fill in the grid with digits 1 to 8, so that each digit occurs at most once in each row, column and outlined area.
An example can be found in Krtek's Cup archives. 6th Czech sudoku championship
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. There are pairs of cells diagonally connected and their diagonal distance corresponds to their values (see example). It stands for each pair that one digit is stated in a grey cell and the other one is in a white cell. Every yellow cell is exactly in one of the pairs. The other digits don't have the same feature. Every digit (except 9) is in one of the pairs at least.
An example can be found in Sudokucup, round 1. Brno, 10. a 11. 9. 2011
Extraregions
Kropki
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Moreover digits 1 to 9 occur exactly once in marked extraregions.
Fill in the grid with digits 1 to 5 (6, 7), so that each digit occur exactly once in each row and column. All pairs of adjacent cells containing consecutive digits are marked with white circle, all pairs of adjacent cells where one digit is a half of the other are marked with black circle. There can be both circles between 1 and 2.
An example can be found in GP Prostìjov 2011.
Isosudoku Fill in the grid with digits 1 to 9, so that same digits are not repeated in each line of cells sharing edge (in three directions) and in each marked rhombus.
An example can be found in Sudokucup, round 3.
Killer sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Sums of the digits in marked cages are given. Digits are not repeated in one cage.
An example can be found in Alternatives on www.fed-sudoku.eu
Carousels Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Place the wheels with numbers on the spots and rotate them appropriately.
An example can be found in Sudokucup, round 6/1. 6th Czech sudoku championship
An example can be found in GP Prostìjov 2011.
Mathdoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Moreover in each of nine nonets (3x3 squares) there are subsidiary numbers between two cells. These numbers are the results of binary operations (addition, subtraction, multiplication, or division) between the two cells. In each nonet there must be used all the four binary operations.
An example can be found in Sudokucup, round 1.
Skyscrapers Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Each digit represents a building of that height. Numbers around the grid show the number of visible buildings from correspondind direction.
An example can be found in Sudokucup, round 1. Brno, 10. a 11. 9. 2011
Untouchable sudoku
Nonconsecutive sudoku
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Cells containing same digit do not touch, even diagonally.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Adjacent cells do not contain consecutive digits.
An example can be found in GP Mariánské Láznì 2008.
An example can be found daily on www.fed-sudoku.eu
German sums
Odd-even view
Fill in the grid with digits 1 to 5 (6, 7), so that each digit occur exactly once in each row and column. Sums of digits in marked cages are given. Be careful, same digits can occur in one cage.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. First odd and first even digit in each direction is given.
An example can be found in GP Prostìjov 2011.
Irregular sudoku
An example can be found in GP Prostìjov 2011.
Palindroms
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined area.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Number sequences along grey lines are same when read from both directions. (For example: 1-2-3-2-1)
An example can be found in Alternatives on www.fed-sudoku.eu
pøíklad mùžete najít v archivu Krtkova poháru
Irregular cross
Concetration game
The puzzle is built from four grids of irregular sudoku. Fill in each cell with a digit from 1 to 6, so that each digit occurs exactly once in each row, column and outlined area of each grid.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Moreover there are 12 unique pairs of Concentration game cards placed in the grids. One card is in one sudoku grid and the other card is in the other sudoku grid.
An example can be found in GP Prostìjov 2011. 6th Czech sudoku championship
An example can be found in Sudokucup, round 1. Brno, 10. a 11. 9. 2011
Quadro sudoku
Puzzle
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. There is no square of 2 times 2 cells in the grid containing even digits only or odd digits only.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Place the blocks with numbers without rotation to appropriate spots.
An example can be found in Alternatives on www.fed-sudoku.eu
Number list Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. There are thirty two-digit numbers marked in the grid. Small number in the corner shows their position in ordered list, from minimum to maximum.
An example can be found in GP Praha 2010.
Chainlets Fill in the grid with digits 1 to 5 (7), so that each digit occur exactly once in each row, column and on 5 (7) chainlets.
An example can be found in GP Pardubice 2011.
S as in sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. There is one letter from verbal expression of particular digit in Czech language given in each cell. (JEDNA, DVA, TØI, ÈTYØI, PÌT, ŠEST, SEDM, OSM, DEVÌT)
An example can be found in GP Plzeò 2007. 6th Czech sudoku championship
An example can be found in Sudokucup, round 6/2.
Consecutive sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. All pairs of adjacent cells containing consecutive digits are marked with circle.
An example can be found in Alternatives on www.fed-sudoku.eu
Greather than sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. The digits must fulfill given inequality signs.
An example can be found in Alternatives on www.fed-sudoku.eu
Cubic sudoku Fill in the grid with digits 1 to 8, so that each digit occurs exactly once in each marked region and in 12 lines of three directions (each line consists of 8 quadrilaterals sharing opposite sides).
An example can be found in Sudokucup, round 3. Brno, 10. a 11. 9. 2011
Sudokuro
Dots
Fill in the grid with digits 1 to 9. The digits can't be repeated in rows, columns, or 11 marked shapes. The numbers outside and inside the grid set the sums in horizontal or vertical directions.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. In row N all pairs of adjacent cells with difference N are marked with white dot and all pairs of adjacent cells with sum N are marked with black dot. Dots in columns work in the same way.
An example can be found in Sudokucup, round 1.
Chessboard killer Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Sums of the digits in marked cages are given, while digits in grey cells are added and digits in white cells subtracted. Digits can be repeated in one cage.
An example can be found in GP Praha 2010.
Dance floor Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box.
An example can be found in GP Prostìjov 2011.
Thermometers Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. In seven marked thermometers the digits must be in strictly increasing order from the mercury container to the other end.
An example can be found in Sudokucup, round 3.
Multidiagonal sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column, outlined box and six marked diagonals diagonals.
An example can be found in GP Plzeò 2007.
Toroidal sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined area. Be careful, some areas overlap sides of the grid.
An example can be found in actual Krtek's Cup round.
An example can be found in Krtek's Cup archives.
Outiside sums Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Numbers around the grid show sums of three nearest digits in corresponding direction.
An example can be found in GP Most 2006. 6th Czech sudoku championship
Brno, 10. a 11. 9. 2011
Outside sudoku
Windoku
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Digits given outside the grid must be used in one of three nearest cells in corresponding direction.
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and 13 outlined boxes.
An example can be found in Sudokucup, round 3.
An example can be found in Alternatives on www.fed-sudoku.eu
Little killer Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column, outlined box and both main diagonals. Numbers around the grid show sums of digits on corresponding diagonals.
An example can be found in Sudokucup, round 6.
6th Czech sudoku championship
Brno, 10. a 11. 9. 2011
Puzzles with no example needed Ten
Letter sudoku
Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. The sum of digits in each marked cage is ten.
Fill in the grid with appropriate letters, so that each letter occurs exactly once in each row, column and outlined box.
Flower sudoku The puzzle is built from five overlaping grids of Classic sudoku with classic rules: Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box.
Classic sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box.
Even sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Marked cells contain even digits.
ClasSix Fill in the grid with digits 1 to 6, so that each digit occurs exactly once in each row, column and outlined rectangle.
Odd sudoku Fill in the grid with digits 1 to 9, so that each digit occurs exactly once in each row, column and outlined box. Marked cells contain odd digits.
6th Czech sudoku championship
Brno, 10. a 11. 9. 2011
Puzzles left for surprice There will be few puzzles with the rules left as a surprice. For example Diagonal odd sudoku, Star sudoku, Irish Cross, Rose sudoku, No repetition, Shifted squares, Surpulus sudoku, Sum first two, Counting in sudoku, Ordered antiknight, Ordered diagonal sudoku, Even-odd sudoku, Triangles, and few more.
6th Czech sudoku championship
Brno, 10. a 11. 9. 2011
