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• Basic (strategy guide)
  ...threat]] that must be immediately answered. After the opponent answers the threat, you can then play in the other hex in the bridge breaking the connection. ...× 11, then the classic block is much less useful due to the lack of space.
  15 KB (2,693 words) - 23:24, 12 October 2022
• Cornering
  Given enough space, the attacker can sometimes get an outcome that is better than merely turni Note how Red's 9 is connected to the edge via a [[double threat]] at the cells marked "*". If Blue instead plays 6 on the second row, the p
  4 KB (799 words) - 14:57, 18 November 2023
• Parallel ladder
  ...ng pieces on the board. Tom's move only requires a certain amount of empty space. There also exist other example (besides Tom's move) of ladder escapes that ...rse than the lower ladder plus a [[Switchback#Switchback_threat|switchback threat]].
  5 KB (973 words) - 00:36, 29 December 2021
• Climbing
  '''Scenario 1:''' In this scenario, Red's space is limited. Red can climb to the 4th row, potentially [[bridge|bridging]] t '''Scenario 2:''' If Red has slightly more space, Red can climb to the 5th row, potentially bridging to a stone on the 7th r
  14 KB (2,655 words) - 12:53, 27 April 2024
• Tom's move
  Suppose Red has a 2nd-and-4th row [[parallel ladder]] and the amount of space shown here: Consider a single stone on the 4th row, with the amount of space shown:
  10 KB (1,985 words) - 21:44, 20 April 2024
• Foiling
  ...g4, making an unbreakable connection from top to bottom. Thus f6 [[double threat|threatens two different connections]]. ...suming "*" connects to the top edge), but Red needs at least the amount of space shown. If any one of the empty cells is occupied by Blue, the position is f
  6 KB (1,124 words) - 02:36, 8 January 2023
• Games from the 14th Little Golem TwixtPP Championship
  ...y played 14.i11. After that, I think I was winning. There is the white l10 threat which can either connect to p10 or to j15. That is the weakness of 14.i11. ...N19* J18* i17* N20* K16*, or 17.L18 K18 J17* M19* F18 i13 with the double threat of either M15* or H19. That last line has lots of crucial branches and I co
  23 KB (4,233 words) - 14:30, 18 April 2008
• Ladder puzzle 1/Solution
  Red's main threat is the ladder starting at c7. If Red plays out this ladder, Blue can block ...with 3.f5, to which Blue may reply 4.f6. This allows Red to play a double threat 5.g7. This stone is the ladder helper, and it also threatens to connect alo
  4 KB (732 words) - 03:43, 16 June 2021
• Mustplay region
  ...d make a connection if it were ''Red's'' turn. These are called Red's ''[[threat]]s''. Red has (at least) the following threats: ...n this case, the carrier consists of the path the ladder will take and the space required for the ladder escape: <hexboard size="7x7"
  14 KB (2,723 words) - 01:16, 4 October 2023
• Switchback
  ...th row switchback in the presence of a [[Foldback#Foldback_threat|foldback threat]]: ...k#Foldback_threat|foldback threat]]. But in cases where there isn't enough space to do either of the above, c4 may still give a (very short) 4th-to-6th row
  17 KB (3,207 words) - 22:47, 18 March 2024
• Openings on 13 x 13
  ...one in a similar manner as above. A template should exactly match into the space right of the opponent's stone. If it is at '''A3''', the typical blocking m ...t use the usual third row template for this purpose, as this is too weak a threat. For example, the response '''C4''' of '''B2''' usually ends up bad. Whethe
  15 KB (2,554 words) - 21:23, 28 December 2020
• Theory of ladder escapes
  ...left boundary of P to the left by ''n'' columns and filling the additional space with empty cells. For example: ...g the right boundary to the right by ''n'' columns, filling the additional space with empty cells. For example:
  123 KB (22,870 words) - 19:37, 2 April 2024
• Tom's move for 3rd and 5th row parallel ladders
  ...[parallel ladder]]s on the 3rd and 5th rows. It requires a large amount of space: Notice that Red's 3 is connected left by double threat at the two cells marked "*", and connected right by [[Fifth_row_edge_templa
  11 KB (2,210 words) - 00:56, 27 July 2022
• Foldback
  ...s are only possible from 4th row ladders or higher, as there is not enough space under a 3rd row ladder to fold back. == Foldback threat ==
  3 KB (667 words) - 23:25, 23 July 2022
• Flank
  ...nt or linked by [[bridge]]s in a certain way, and with a certain amount of space on one side, for example like this: ...an be facing up or down (the side it is facing is the side where the empty space is). For simplicity, the following definition refers to red flanks that are
  17 KB (3,144 words) - 05:31, 1 December 2022
• Pivoting template
  Proof: Red's main [[threat]] is to [[bridge]] to c and connect to the edge by [[ziggurat]] or [[edge t ...rom a pivoting template by placing a red stone in B, and adding sufficient space for A and B to be semi-connected. This is because, by definition, if Blue t
  9 KB (1,667 words) - 08:02, 1 March 2024
• Corner move
  ...dders, as well as for 4th row ladders given enough space or a [[foldback]] threat. If A becomes part of a [[bridge ladder]], it will connect to the red edge. ...s stone is slightly further away from the edges than A. Given enough empty space, it is connected to the red edge by [[edge template V1a]]. It helps escape
  4 KB (832 words) - 18:36, 24 February 2022
• Near ladder escape
  ...ard) does not escape a 5th row ladder, even when there is a certain amount space on the 6th row as shown here: ...e stone to the left of 13 were not occupied. Therefore, with slightly more space on the 6th row, a single stone at c4 actually does escape a 5th row ladder:
  7 KB (1,441 words) - 10:27, 25 November 2023
• Openings on 11 x 11
  ...ute corner. Even though b1 is not a strong immediate response to a3, the ''threat'' of b1 can be strong, which explains why there are many templates that hav ...space for Blue's move to fit the "corner", whereas c2 doesn't leave enough space for Blue to do that. In fact, a move like f2 is even weaker than d2, becaus
  11 KB (2,022 words) - 14:15, 22 October 2022
• Strategic advice from KataHex
  ...and, if you're a strong player with good intuition, you realize Red's main threat is e8, a very efficient move relative to Blue 2 and Red 5. You might play e .... However, when Red must play on his first 3 rows (because of very limited space), Red 1 or its mirror image at (*) is usually the best, because it prevents
  21 KB (3,605 words) - 16:08, 14 January 2024