Category Archives: My Inventions

Tetroscope

Rules: Place the given tetrominoes in the grid using each of them exactly once. They can be rotated but not mirrored. Digits in the grid show the amount of occupied cells in the neighboring squares.  Tetrominoes cannot touch each other, … Continue reading

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Puzzle ?84 Summon

Here is the first of Summon‘s kind (except the example):

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Puzzle ?79 Japanese Sums and Battleships

Here is a hard 1-9 Japanese Sums and Battleships: [Solution]

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Puzzle ?78 Sigma Snake

Here is the an easy Sigma Snake with Turkish numbers: [Solution]

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Puzzle ?74 Tapa Briquet

I prepared puzzle ?74 and ?75 for UKPA 2013, Tapa Variations part. But I removed the type to shorten the part. Here is a 8×8 Tapa Briquet, Mehmet Murat Sevim solved it in 3.41 minutes, Salih Alan’s solving time is … Continue reading

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Puzzle ?64 Skyscrapers Blocks

Here is a 1-8 Skyscrapers Blocks: [Solution]

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Puzzle ?62 Range

Here is a Range with 1-6, it is the unused puzzle from MAČR 2012: [Solution]

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