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• Rules
  ...having the same color. The board is empty at the start of the game. On the left you can see an empty Hex board. <hexboard size="5x5" float="left" />
  2 KB (313 words) - 14:01, 20 January 2023
• Basic (strategy guide)
  ...while the [[second player]] tries to form an unbroken chain connecting the left and right sides. ...idging to the lower right (h7) is met by h8 and bridging towards the lower-left (e7) is met by d8. By blocking at a distance, you have a move or two befor
  15 KB (2,693 words) - 23:24, 12 October 2022
• Forcing move
  ...ude playing in one of the empty hexes of a [[bridge]], intruding into an [[edge template]], or threatening to complete an immediate [[strong connection]] o ...stops this piece from immediately [[connection|connecting]] to the bottom edge is f9. But after f9, Red completes the win by playing at f8.
  6 KB (1,139 words) - 15:33, 7 October 2023
• Cornering
  ...maneuver lets Red move towards the center, rather than parallel to Blue's edge: Note how Red's 9 is connected to the edge via a [[double threat]] at the cells marked "*". If Blue instead plays 6 on
  4 KB (799 words) - 14:57, 18 November 2023
• Parallel ladder
  ...her and proceed in the same direction (both left to right or both right to left). Here is a typical example: ...llowing, with Red to move. The two red stones must be connected to the top edge (although the connection is not shown here). Red has the option of pushing
  5 KB (973 words) - 00:36, 29 December 2021
• Intermediate (strategy guide)
  == Minimal edge templates == ...Just as the bridge is a useful connection pattern to know, so are minimal edge templates &mdash; the ones of the smallest size. (The templates are numbere
  26 KB (4,694 words) - 01:56, 18 May 2022
• Sixth row template problem
  ...erg and wccanard in the LG forum, whether there is a one stone sixth row [[edge template]] that uses no stones higher than the sixth row. The answer is "yes", and [[edge template VI1a]] is such a template.
  2 KB (369 words) - 21:45, 28 December 2020
• Tom's move
  ...e stone on the 4th row, or to connect a single stone on the 4th row to the edge. Its name originates from Tom Ace (player [[User:Tom239|Tom239]]), who devi ...es are forced; if Blue plays differently, Red connects outright. This is [[edge template IV1d]].
  10 KB (1,985 words) - 21:44, 20 April 2024
• Outpost
  An '''outpost''' is an isolated [[stone]] sitting somewhere close to an [[edge]] or [[board|corner]]. Outputs are useful assets. They can often be used as ...is very common for a [[player]] to have a [[piece]] along the opponent's [[edge]], near the acute corner. Such pieces can work as [[ladder escape]]s or [[s
  3 KB (465 words) - 02:51, 8 January 2023
• Foiling
  ..., and also [[Intrusion|intrudes]] on the outpost's [[connection]] to the [[edge]]. ...e prevents the use of f6 as a ladder escape, and he also intrudes on its [[edge template]] to the bottom. In fact in this position Blue [[win]]s.
  6 KB (1,124 words) - 02:36, 8 January 2023
• Advanced (strategy guide)
  == Advanced edge templates == ...f it. If Blue intrudes anywhere but a or b, Red can just [[bridge]] to the edge. So the only possible intrusions are at a or b.
  31 KB (5,861 words) - 00:58, 9 February 2022
• V vs. H game 1
  |2.||h4||&nbsp;|| V presses the attack on the north edge. ...south, choosing to fight for the link in the middle rather than along the edge.
  5 KB (985 words) - 00:28, 9 February 2022
• Solutions to puzzles
  ...a double threat at b3 and d3; each of these would connect to the northern edge via [[Template IIIa]]. The two templates overlap at d1, but blue d1 is defe ...nnects to the top edge via [[Template IIIa]], and to the bottom edge via [[Edge template J5|Template J5]]. The two templates overlap at one point d3, but i
  34 KB (6,464 words) - 23:41, 14 February 2024
• Solutions to Claude Berge's puzzles
  Blue plays at b3. This piece is connected to the left border by [[miai|a3/a4]] and to the long blue chain by c2/b4. The long blu ...nnecting l7 to the large red group that is already connected to the bottom edge. However, Red cannot achieve both of these goals simultaneously. If Red pla
  5 KB (1,174 words) - 14:35, 11 May 2023
• Equivalent patterns
  == Edge equivalence== Edges are equivalent to edge-connected rows of pieces on a larger board.
  13 KB (2,546 words) - 02:17, 9 May 2023
• Draw
  ...he blue stones along the boundary of ''T'' form a [[chain]] connecting the left and right edges, so the position is winning for Blue.
  3 KB (508 words) - 04:09, 30 May 2023
• Variants using the same equipment
  ...e other connecting left, right and bottom. Blue wins are symmetrical, with left and right swapping roles with top and bottom. Like Hex, there are no draws ...pleting either a chain of red pieces or a chain of blue pieces between the left and right board edges.
  7 KB (1,237 words) - 17:18, 7 May 2023
• Games from the 13th Little Golem TwixtPP Championship
  ...n't seem to be a good reply to that; it would have been a quick win up the left side for Klaus. So I played 12.i12 instead, which was weak on the right sid ...for both sides on the right, but vertical (white) could have played on the left side at any point, and can still play there. For example 11.F11 looks hopef
  21 KB (3,875 words) - 14:30, 18 April 2008
• Smart Game Format
  * left parenthesis '(' * left square bracket '['
  16 KB (2,720 words) - 14:16, 8 January 2023
• Games from the 14th Little Golem TwixtPP Championship
  ...quired a lot of computation, and that fight could have spread to the upper left part indeed.<BR><BR> ...w. The key point is 17.n15 here, which allows a connection to the group at left. The game was probably over at that point.<BR><BR>
  23 KB (4,233 words) - 14:30, 18 April 2008
• Size 6 e3 loses (Y)
  On the left, 2 is connected to the edge. On the right, Blue now has the following 3 threats:
  2 KB (381 words) - 00:18, 15 July 2021
• Strong connection
  ...t]], [[bridge]], and [[trapezoid]], and finally F is connected to the left edge by another [[ziggurat]]. Therefore, Blue has a virtual connection between t
  3 KB (517 words) - 15:25, 1 October 2023
• Bridg-It
  Bridg-It is a special case of the Shannon (edge) switching game, for which an optimal move can be found in polynomial time We first re-formulate Bridg-It as an edge Shannon game. When seen in this way, the game is played on the following gr
  6 KB (1,060 words) - 04:11, 30 May 2023
• Solutions to Piet Hein's puzzles
  ...y guide|Strategy guide]] for details). The stone at d8 is connected to the left because of the ladder breaker at c2. Using twice [[Edge templates with two adjacent pieces|edge template III 2b]]
  3 KB (640 words) - 14:34, 11 May 2023
• Edge template VI1a
  Template VI1-a is a 6th row [[edge template]] with one stone. This template is the first one stone 6th row [[edge template|template]] for which a proof of validity has been written out. The
  8 KB (1,556 words) - 01:22, 19 November 2023
• Template VI1/Intrusion on the 3rd row
  This article deals with a special case in the defense of [[edge template VI1a]], namely the intrusion on the 3rd that is not eliminated by ...sis, we first note that Red can escape all 2nd row ladders coming from the left, as follows:
  3 KB (549 words) - 04:40, 20 September 2023
• Mustplay region
  ...connection|connected]] by two templates, namely [[edge template II]] and [[edge template IV2d]]. The [[carrier]] of Red's connection is the set of all cell * If Red plays at e5, then Red is connected via two copies of [[edge template II]] and two [[bridge]]s, as shown: <hexboard size="7x7"
  14 KB (2,723 words) - 01:16, 4 October 2023
• Switchback
  Now the ladder continues from right to the left on the 4th row: ...t isn't, the switchback can be used to create a long line connected to the edge and several rows back from it, a distinct advantage.
  17 KB (3,207 words) - 22:47, 18 March 2024
• James A. Cook vs. Niall, December 2010
  ** (I11 - red mistake) - now blue comes along the top and joins to the left through E11 later Seems like red (L8) is very powerful, blue may have to use the red top left weaknesses somehow as red seems to have bashed either (E6) or (G4) [blues c
  13 KB (2,704 words) - 02:27, 11 May 2023
• NiallVsWojtex 1252454
  - F4 [connected to the left edge] (G5) K3 (H3) I2 (G2 - ladders to F2, then jumps to D2) - red wins - E4 [connects to left edge, and H1] **(J5) K6 (G5) K3**
  3 KB (721 words) - 15:10, 17 November 2012
• Openings on 13 x 13
  ...to make the first really important move. We now assume you connecting from left to right. Typically your opponent has a stone in either '''A2''', '''A3''' ...ght half triangle of the board. It can be used as a ladder escape from the left and is dangerous upwards.
  15 KB (2,554 words) - 21:23, 28 December 2020
• Quick Questions
  # Is Blue's stone 1 already connected to the right edge before I played 2? ...' Blue 1 is not already connected to the right edge, and is not part of an edge template. Since we don't know what is going on on the rest of the board, pe
  2 KB (338 words) - 03:10, 1 October 2023
• Open problems about edge templates
  edges="bottom left" ...by playing on the third row, because of the Ziggurat 3rd row single-stone edge template (marked with plus signs).
  7 KB (1,215 words) - 02:29, 9 November 2023
• Edge template IV1c
  Template IV1-c is a 4th row [[edge template]] with one stone. It uses some space on the 5th row. The shaded he Red 2 threatens to connect to the bottom on the left side and forces a Blue move like 3. Likewise Red 4 forces 5 or similar move
  2 KB (495 words) - 05:42, 9 December 2020
• Edge template IV2c
  Template IV2-c is a 4th row [[edge template]] with 2 stones. Red has a [[ziggurat]] threat on the left and another on the right. They only overlap in one hex, so Blue has to play
  733 B (130 words) - 18:38, 11 December 2020
• Edge template IV2j
  Template IV2-j is a 4th row [[edge template]] with 2 stones. Red can connect the stone marked "↑" to the edge. Red cannot guarantee to connect the other stone.
  2 KB (304 words) - 02:05, 22 September 2021
• Piece
  ...onto vacant [[hex]]es, with the goal of trying to create a link from one [[edge]] of the board to the other. ...f their six pieces are making a connection from the bottom edge to the top edge.
  911 B (183 words) - 21:31, 28 December 2020
• Theory of ladder escapes
  ...4th row ladder escape, we must check that the attacker can connect to the edge from an ''infinite set'' of positions. This raises the issue of how one can ...late seems to be known which will connect an ignored 7th row ladder to the edge. This presents a theoretical obstruction which is currently unresolved. It
  123 KB (22,870 words) - 19:37, 2 April 2024
• David Boll Hex FAQ
  connecting the left side and the right. To make subsequent diagrams Red is connected from the north edge to hexes C6 and G6 (if you don't see
  15 KB (2,732 words) - 19:08, 28 December 2020
• Conventions
  ...reflection) of the board, the colors of the players, who goes first, which edge belongs to which player, and whether and how the cells on the board are num ...ould not change in an essential way if the white square were in the bottom left corner instead of the bottom right one, if black went first instead of whit
  11 KB (1,867 words) - 17:44, 4 February 2024
• Domination
  ..." would [[captured cell|capture]] the cells marked "+". The cells that are left white can be any color. ...fillin-dominate Y. To see why, consider X=red. Then with Blue to move, the left position is winning for Blue, and the right position is winning for Red. Th
  21 KB (3,995 words) - 22:37, 18 November 2023
• Edge template IV2n
  Note: [[edge template IV2l]] also has the property that Red can simultaneously connect b Here, with Blue to move first, Red can choose to connect either the left or the right stone, but cannot connect both. In fact, the following move by
  1 KB (222 words) - 19:10, 28 December 2020
• Board
  ...an acute corner is at 10 o'clock, the top and bottom edges are red and the left and right edges are blue. ...row''' of the board is a line of hexes parallel to a red (or first player) edge. Ranks are numbered 1,2,3,...
  4 KB (749 words) - 20:53, 28 December 2020
• Ladder creation template
  ...e that guarantees that the owner of the template can either connect to the edge or, failing that, get a specified ladder or ladders. ...emplates generate more than one ladder, for example a 4th row ladder going left or a 3rd row ladder going right. In an attempt to avoid confusion, we say "
  7 KB (1,144 words) - 14:19, 5 September 2022
• Tidiness
  ...situation, where Red has just played 1 to connect her group to the bottom edge. ...er, this would leave Red with a 2nd row [[ladder escape]] along the bottom edge. While this ladder escape may not look immediately threatening to Blue, it
  3 KB (510 words) - 03:21, 16 June 2021
• Tom's move for 3rd and 5th row parallel ladders
  By playing at "1", Red can connect to the edge. Verifying this requires a lot of steps, but here is the basic idea: ...cells marked "*", and connected right by [[Fifth_row_edge_templates#V-2-m|edge template V2m]]. The latter template is itself based on Tom's move at "x". I
  11 KB (2,210 words) - 00:56, 27 July 2022
• Foldback
  ..., in which the ladder changes direction and continues ''further'' from the edge. However, Red can now get a foldback, namely a 2nd row ladder from right to left:
  3 KB (667 words) - 23:25, 23 July 2022
• Flank
  ...], and they can be used to form large [[interior template|interior]] and [[edge template]]s. ...implicity, the following definition refers to red flanks that are oriented left-to-right and facing upward.
  17 KB (3,144 words) - 05:31, 1 December 2022
• Blocking
  Suppose Blue wants to prevent Red from connecting her stone to the edge: ...d plays on the 4th row rather than the 3rd row, and can now connect to the edge via either of the cells marked "*" and a [[ziggurat]].
  3 KB (582 words) - 01:53, 9 September 2021
• Bridge ladder
  ...ttacker's edge at a 30 degree angle, with the defender being closer to the edge than the attacker. Bridge ladders sometimes happen when the defender repeat ...Red connects to the edge). However, if the ladder starts closer to a blue edge, the outcome can be different:
  7 KB (1,253 words) - 03:30, 11 September 2021