Solution to Sudoku no 451

Here is my original version of the solution:

...and here is another version from  Kollona Missriyoon, a member of the Sudoku Puzzles Facebook group:

...and another from Govind Kalele, who is also a member:

Sudoku no 451 (Extreme)

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Solution to Sudoku no 450

Sudoku no 450 (Easy)

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Solution to Sudoku no 449

Here is my original version of the solution:

...and, here is another version from Kollona Misriyoon, a member of the Sudoku Puzzles Facebook group:

Sudoku no 449 (Extreme)

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Solution to Word Search no 1 (European Capital Cities)

Word Search no 1 (European Capital Cities)

I created this puzzle here.

Working horizontally, vertically or diagonally, find the following European capital cities in the grid below:

AMSTERDAM, ATHENS, BELGRADE, BERLIN, BRATISLAVA, BRUSSELS, BUCHAREST, BUDAPEST, COPENHAGEN, DUBLIN, HELSINKI, LISBON, LONDON, MADRID, OSLO, PARIS, PRAGUE, REYKJAVIK, RIGA, ROME, SARAJEVO, STOCKHOLM, VILNIUS, WARSAW.

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Solution to Sudoku no 448

Sudoku no 448 (Diabolical)

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Solution to Sudoku no 447

Sudoku no 447 (Tough)

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Solution to Sudoku no 446

Sudoku no 446 (Easy)

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Solution to Sudoku no 445

Here is my original version of the solution:

...and here is another one from Adelina Zaballero, a member of the Sudoku Puzzles Facebook group:

Sudoku no 445 (Extreme)

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Solution to Sudoku no 444

Sudoku no 444 (Tough)

This puzzle has a similar level of difficulty to the ones in my book. Click on the blue image of the cover, which you can see on this page, if you would like to buy a copy from Amazon.

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Solution to Sudoku no 443

Sudoku no 443 (Extreme)

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Solution to Sudoku no 442

Sudoku no 442 (Tough)

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Solution to Sudoku no 441

Sudoku no 441 (Diabolical)

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Killer Sudoku Solution no 6

Killer Sudoku Puzzle no 6

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

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