Difference between revisions of "Puzzles"
(added reference to C. Browne book. acknowledged Bert Enderton for a puzzle) |
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Solving puzzles is a very good way of becoming a stronger player. Solve as many as possible! And feel free to post your own puzzles here. | Solving puzzles is a very good way of becoming a stronger player. Solve as many as possible! And feel free to post your own puzzles here. | ||
| − | == Piet Hein's puzzles == | + | == [[Piet Hein]]'s puzzles == |
=== Puzzle 1 === | === Puzzle 1 === | ||
| − | |||
| − | |||
Blue to play and win. | Blue to play and win. | ||
| Line 13: | Line 11: | ||
=== Puzzle 2 === | === Puzzle 2 === | ||
| − | |||
| − | |||
Blue to play and win. | Blue to play and win. | ||
| Line 22: | Line 18: | ||
=== Puzzle 3 === | === Puzzle 3 === | ||
| − | |||
| − | |||
Blue to play and win. | Blue to play and win. | ||
| Line 31: | Line 25: | ||
=== Puzzle 4 === | === Puzzle 4 === | ||
| − | |||
| − | |||
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[[Image:Piethein4.png]] | [[Image:Piethein4.png]] | ||
| Line 40: | Line 30: | ||
=== Puzzle 5 === | === Puzzle 5 === | ||
| − | |||
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Blue to play and win. | Blue to play and win. | ||
| Line 64: | Line 52: | ||
Ba5 </hex> | Ba5 </hex> | ||
| − | == | + | == Bert Enderton == |
=== Puzzle 1 === | === Puzzle 1 === | ||
| − | |||
| − | Red (Vertical) to play and win | + | Red to play and win. |
| + | |||
| + | <hex>R7 C7 Q1 | ||
| + | Hc3 Hf3 | ||
| + | Vc4 Hd4 | ||
| + | Hc5 Ve5 | ||
| + | Va6</hex> | ||
| + | |||
| + | === Puzzle 2 === | ||
| + | |||
| + | Red to play and win. | ||
| + | |||
| + | <hex>R7 C7 Q1 | ||
| + | Hc3 | ||
| + | Hf5 | ||
| + | Vb6</hex> | ||
| + | |||
| + | === Puzzle 3 === | ||
| + | |||
| + | Red (Vertical) to play and win. | ||
This is a very difficult puzzle whose complete solution is extremely complex. | This is a very difficult puzzle whose complete solution is extremely complex. | ||
| Line 76: | Line 82: | ||
<!-- <hex>R6 C6 Q1 Vf4 Hc2</hex> --> | <!-- <hex>R6 C6 Q1 Vf4 Hc2</hex> --> | ||
| + | |||
| + | == Other authors == | ||
| + | |||
| + | === Puzzle 1 === | ||
| + | By [[Claude Berge]] | ||
| + | |||
| + | Red to move and win | ||
| + | <hex>R14 C14 Q1 | ||
| + | Hh1 Hk1 | ||
| + | Vf2 Vg2 Hh2 Hj2 Vl2 | ||
| + | Vg3 Hh3 Hk3 Vl3 | ||
| + | Vg4 Hi4 Vl4 | ||
| + | Vg5 Hj5 Vl5 | ||
| + | Vg6 Hh6 Hk6 Vl6 | ||
| + | Vg7 Hi7 Vl7 | ||
| + | Vg8 Hj8 Vl8 | ||
| + | Vg9 Hh9 Hk9 Vl9 | ||
| + | Vg10 Hi10 Vl10 | ||
| + | Hj11 Vm11 | ||
| + | Hg12 Hh12 Vi12 Hk12 Vn12 | ||
| + | He13 Hi13 Hl13 | ||
| + | Ha14 Hb14 Hc14 Hd14 Hg14 Hi14 Hl14 Hm14 Hn14</hex> | ||
=== Puzzle 2 === | === Puzzle 2 === | ||
| Line 84: | Line 112: | ||
<hex> R10 C10 | <hex> R10 C10 | ||
| − | + | Ri1 | |
| + | Bg4 Rh4 | ||
| + | Bf5 Rg5 | ||
| + | Be6 Rf6 | ||
| + | Bd7 | ||
| + | Rc8 | ||
| + | Rd9 </hex> | ||
== See also == | == See also == | ||
Revision as of 00:45, 1 February 2008
Solving puzzles is a very good way of becoming a stronger player. Solve as many as possible! And feel free to post your own puzzles here.
Contents
Piet Hein's puzzles
Puzzle 1
Blue to play and win.
Puzzle 2
Blue to play and win.
Puzzle 3
Blue to play and win.
Puzzle 4
Puzzle 5
Blue to play and win.
Puzzle 6
By Piet Hein
On the board of size 3 there are precisely two opening moves such that, with optimal play from both players, the board will be completely filled before the game is over. Which are the two opening moves?
Puzzle 7
By Piet Hein.
Blue to play and win.
Bert Enderton
Puzzle 1
Red to play and win.
Puzzle 2
Red to play and win.
Puzzle 3
Red (Vertical) to play and win.
This is a very difficult puzzle whose complete solution is extremely complex.
Other authors
Puzzle 1
By Claude Berge
Red to move and win
Puzzle 2
By John Tromp
Blue to play and win.
See also
Cameron Browne offers a lot of Original puzzles in his book Hex Strategy Making the Right Connections
