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| − | ==The rule==
| + | #REDIRECT [[Swap rule]] |
| − | After [[Red]] played the first move [[Blue]] player is asked wether she wants to swap or not, that is to invert the colors or to keep on this way.
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| − | [[Swap_rule|Detailled article]].
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| − | ==Where to swap==
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| − | The use of the swap rule is to force the first player to play not too good moves. Therefore it is intersting to find out what are the moves that should be swapped (the best moves), what are moves that should not be swapped (the worse moves), what are the moves for which no answer is known yet.
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| − | On every size [[a1_opening|a1]], b1 and symmetrical moves are known losing moves (except 2 x 2, where b1 wins, see [[small boards]]).
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| − | *The red marked hexes are to be swapped.
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| − | *The blue marked hexes are not to be swapped.
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| − | *The star marked hexes are average moves, so the game should be balanced with or without swap.
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| − | Hex is not strongly solved on big sizes, therefor the result of [[optimal play]] is not known for every cells.
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| − | === Small Sizes ===
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| − | See [[Small boards]] to know which cells lead to victory with optimal play. You might however assume that you and your opponent do not play optimally, and decide to play tricky losing moves in order to trap your opponent !
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| − | === Bigger Sizes ===
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| − | The [[Theory|theoretical]] outcome is known for a few cells (for instance a1). For the other cells, stronger players' advice can give a hint on whether a move should be swapped or not. One could also try to recognize a pattern in the winning cells for small boards and extrapolate to bigger sizes.
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| − | ====Size 10====
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| − | <hex>R10 C10 Ha1 Hb1 Hc1 Hd1 He1 Hf1 Hg1 Hh1 Hi1 Vj1
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| − | Sa2 Sb2 Sc2 Vd2 Ve2 Vf2 Vg2 Vh2 Vi2 Vj2
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| − | Sa3 Vb3 Vc3 Vd3 Ve3 Vf3 Vg3 Vh3 Vi3 Vj3
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| − | Va4 Vb4 Vc4 Vd4 Ve4 Vf4 Vg4 Vh4 Vi4 Vj4
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| − | Va5 Vb5 Vc5 Vd5 Ve5 Vf5 Vg5 Vh5 Vi5 Vj5
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| − | Va6 Vb6 Vc6 Vd6 Ve6 Vf6 Vg6 Vh6 Vi6 Vj6
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| − | Va7 Vb7 Vc7 Vd7 Ve7 Vf7 Vg7 Vh7 Vi7 Vj7
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| − | Va8 Vb8 Vc8 Vd8 Ve8 Vf8 Vg8 Vh8 Vi8 Sj8
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| − | Va9 Vb9 Vc9 Vd9 Ve9 Vf9 Vg9 Sh9 Si9 Sj9
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| − | Va10 Hb10 Hc10 Hd10 He10 Hf10 Hg10 Hh10 Hi10 Hj10</hex>
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| − | ==== Size 14 ====
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| − | TODO
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| − | ==== Size 19 ====
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| − | TODO
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| − | ==See also==
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| − | [[Basic (strategy guide)#10_.C3.97_10_swap_rules|Guideline for the 10x10]], in the basic strategy guide.
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| − | ==External links==
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| − | [http://www.cs.cmu.edu/People/hde/hex/hexfaq/ A faq about Hex]
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| − | [http://www.cs.ualberta.ca/~queenbee/openings.html A more complete site] with solution to sizes 7. Beware, the colors are inverted, vertical is blue there.
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| − | [[category:opening]]
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| − | [[category:Basic Strategy]]
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