The first 13 moves of P1109636 (Graefrath) tested by Jacobi in about 18 hours: Done. Compute time = 64072.550 s…
On Solving fairy proof games: “Jacobi” by François Labelle
The funny idea is not new, it even has a name: Raindrops Theme. You can see the (black) raindrops falling…
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Very nice indeed ! One info : All the problems of JF from july to dec 2017 are registered for…
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Sheer magic!
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Nice a) better than b) but it does not really matter here . Can be shown in a less conventional…
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(If you read between the lines, you can see that I too find the problem excellent!)
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I love subtle twinning, and this is more subtle than most: not a change from one fairy condition to another,…
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Superb !
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In the solving process, for me, to find the mate net was rather difficult. Then to find the solutions was…
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Oh wait, the black king isn't back on c8 yet.
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