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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.
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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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| − | ===Size 4===
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| − | <hex>R4 C4 Va1 Vb1 Vc1 Hd1
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| − | Va2 Vb2 Hc2 Vd2
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| − | Va3 Hb3 Vc3 Vd3
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| − | Ha4 Vb4 Vc4 Vd4</hex>
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| − | ===Size 5===
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| − | <hex>R5 C5 Va1 Vb1 Vc1 Vd1 He1
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| − | Va2 Hb2 Hc2 Hd2 He2
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| − | Va3 Hb3 Hc3 Hd3 Ve3
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| − | Ha4 Hb4 Hc4 Hd4 Ve4
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| − | Ha5 Vb5 Vc5 Vd5 Ve5</hex>
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| − | ===Size 6===
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| − | <hex>R6 C6 Va1 Vb1 Vc1 Vd1 Ve1 Hf1
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| − | Va2 Hb2 Hc2 Hd2 He2 Hf2
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| − | Ha3 Hb3 Hc3 Hd3 He3 Hf3
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| − | Ha4 Hb4 Hc4 Hd4 He4 Hf4
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| − | Ha5 Hb5 Hc5 Hd5 He5 Vf5
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| − | Ha6 Vb6 Vc6 Vd6 Ve6 Vf6</hex>
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| − | ===Size 7===
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| − | <hex>R7 C7 Va1 Vb1
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| − | Vf7 Vg7</hex>
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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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