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1

I managed to find a line that seems playable for White, although Black is definitely somewhat better here: [FEN ""] 1.e4 c5 2.Nc3 e6 3.Nge2 Nc6 4.g3!? d5! 5.exd5 exd5 6.d4 Bg4! 7.Be3 Bf3 8.Rg1 c4 9.a3 Black plays 8...c4 because we are in fact threatening to capture on c5 (note that 9.dxc5 d4? would not win a piece), and we play 9.a3 to prevent ...


1

As an applied mathematician, I feel that mathematics very seldom solves any problem in a practical sense, apart from those that reduce to some form of counting. There are many problems that lead to differential equations, for example, that present points of interest in their own right, but to apply them to any real engineering situation assumptions must be ...


3

As others have pointed out, triple check is never legal in chess. It is, however, possible, even though no possible triple check is legal. One context where this is relevant is in framing the rules of the game. The rules must be written so as to enable the reader who does not yet know what is legal, to learn this. In this answer, Brian Towers details a ...


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