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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 not to be swapped.
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| − | *The blue marked hexes are 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 you
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| − | r opponent !
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| − | === Bigger Sizes ===
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| − | [[Theory|Theoritical]] outcome is known for a few cells (for instance a1). For the other cells, stronger players advice can give a hint on wether 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 Va1 Vb1 Vc1 Vd1 Ve1 Vf1 Vg1 Vh1 Vi1 Hj1
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| − | Sa2 Sb2 Sc2 Hd2 He2 Hf2 Hg2 Hh2 Hi2 Hj2
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| − | Sa3 Hb3 Hc3 Hd3 He3 Hf3 Hg3 Hh3 Hi3 Hj3
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| − | Ha4 Hb4 Hc4 Hd4 He4 Hf4 Hg4 Hh4 Hi4 Hj4
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| − | Ha5 Hb5 Hc5 Hd5 He5 Hf5 Hg5 Hh5 Hi5 Hj5
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| − | Ha6 Hb6 Hc6 Hd6 He6 Hf6 Hg6 Hh6 Hi6 Hj6
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| − | Ha7 Hb7 Hc7 Hd7 He7 Hf7 Hg7 Hh7 Hi7 Hj7
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| − | Ha8 Hb8 Hc8 Hd8 He8 Hf8 Hg8 Hh8 Hi8 Sj8
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| − | Ha9 Hb9 Hc9 Hd9 He9 Hf9 Hg9 Sh9 Si9 Sj9
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| − | Ha10 Vb10 Vc10 Vd10 Ve10 Vf10 Vg10 Vh10 Vi10 Vj10 </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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