Edge template VI2a - Revision history

Hexanna: no longer a stub

2023-05-11T14:36:01Z

no longer a stub

Selinger: Re-sectioning.

2021-06-20T22:04:36Z

Re-sectioning.

Selinger: Updated some links.

2021-06-20T21:42:01Z

Updated some links.

Selinger: Converted to new hexboard diagrams

2021-03-09T02:58:55Z

Converted to new hexboard diagrams

Show changes

HappyHippo: After checking with benezene, the template was not minimal. I've replaced it with the minimal version, and updated one of the lines to use the reduced space.

2021-02-28T18:58:13Z

After checking with benezene, the template was not minimal. I've replaced it with the minimal version, and updated one of the lines to use the reduced space.

Show changes

Selinger: Selinger moved page Defending against intrusions in template VI2 to Edge template VI2a: The page should be named like other template pages.

2020-12-12T05:00:50Z

Selinger moved page Defending against intrusions in template VI2 to Edge template VI2a: The page should be named like other template pages.

HappyHippo: /* Intrusion at F4 */

2009-06-16T23:56:32Z

‎Intrusion at F4

HappyHippo: /* Block at F4 */

2009-06-16T23:55:03Z

‎Block at F4

HappyHippo: /* Intrusion at E6 */

2009-06-15T16:04:56Z

‎Intrusion at E6

HappyHippo at 16:01, 15 June 2009

2009-06-15T16:01:21Z

← Older revision		Revision as of 14:36, 11 May 2023
Line 332:		Line 332:

	[[Category:Edge templates]]		[[Category:Edge templates]]
−	~~{{stub}}~~

@@ Line 1: / Line 1: @@
-== The edge template template VI2 ==
+Edge template IV2a is a 6th row [[edge template]] with two stones.
 <hexboard size="6x9"
@@ Line 7: / Line 7: @@
    contents="R ↑:g1 h1"
 />
 Let us first see what possibilities [[Red (player)|Red]] has if he moves first.
@@ Line 35: / Line 37: @@
 />
-== Intrusion at E5 and F5 ==
+=== Intrusion at E5 and F5 ===
 If Blue blocks at E5 then Red plays F3, reducing to [[Template IVb]]
@@ Line 55: / Line 57: @@
 />
-== Intrusion at E6 ==
+=== Intrusion at E6 ===
 <hexboard size="6x9"
@@ Line 91: / Line 93: @@
 />
-== Intrusion at F4 ==
+=== Intrusion at F4 ===
 <hexboard size="6x9"
@@ Line 102: / Line 104: @@
 The Red piece at D4 is connected to the bottom. Blue has two direct attempts to block:
-=== Block at F2 ===
+==== Block at F2 ====
 <hexboard size="6x9"
@@ Line 113: / Line 115: @@
 Red is now connected to the bottom via [[ziggurat|template III-1a]]. Note that neither of Red's threats overlapped.
-=== Block at E3 ===
+==== Block at E3 ====
 <hexboard size="6x9"
@@ Line 134: / Line 136: @@
 Attempts by Blue to block the use of the D4 piece as a ladder escape can be shown to not work.
-== Intrusion at G2 ==
+=== Intrusion at G2 ===
 <hexboard size="6x9"
@@ Line 144: / Line 146: @@
 Blue has four options that don't immediately reduce to another edge template:
-=== Block at E4 ===
+==== Block at E4 ====
 <hexboard size="6x9"
@@ Line 164: / Line 166: @@
 Here Red has created a [[Ladder escape fork]]. If Blue blocks the ladder Red plays at D3.
-=== Block at D5 ===
+==== Block at D5 ====
 <hexboard size="6x9"
@@ Line 182: / Line 184: @@
 />
-=== Block at C6 ===
+==== Block at C6 ====
 <hexboard size="6x9"
@@ Line 191: / Line 193: @@
 />
-=== Block at E6 ===
+==== Block at E6 ====
 <hexboard size="6x9"
@@ Line 209: / Line 211: @@
 />
-== Intrusion at D6 or F6 ==
+=== Intrusion at D6 or F6 ===
 The D6 case is shown here, but Red's responses work symmetrically for the F6 case.
@@ Line 222: / Line 224: @@
 Red's F5 piece is connected to the bottom. To prevent its connection to the top, Blue must move in one of the marked tiles.
-=== Block at F4 ===
+==== Block at F4 ====
 <hexboard size="6x9"
@@ Line 242: / Line 244: @@
 And Red is connected. This method can be used by Red in the symmetrical case of Blue intruding at F6.
-=== Block at G2 ===
+==== Block at G2 ====
 <hexboard size="6x9"
@@ Line 262: / Line 264: @@
 And Red connects via [[ziggurat|template III-1a]].
-=== Block at H2, G3, or G4 ===
+==== Block at H2, G3, or G4 ====
 Red's responses are similar in all three cases:
@@ Line 287: / Line 289: @@
 />
-== Intrusion at C6 or G6 ==
+=== Intrusion at C6 or G6 ===
 The G6 case is shown here, but Red's responses work symmetrically for the C6 case.
@@ Line 300: / Line 302: @@
 Red's F4 piece is connected to the bottom via [[ziggurat|template III-1a]]. The only move preventing the F4 piece from connecting to the top is G2. Intrusions into the template are met by Red with parallel moves which maintain the connection to the bottom while guaranteeing a connection to the top. F5, F6 and E5 are met by E4 while E4, E6, D5, D6 and C6 are met by G4, connecting Red to both the top and the bottom.
-=== Block at G2 ===
+==== Block at G2 ====
 <hexboard size="6x9"

@@ Line 73: / Line 73: @@
 />
-The H4 piece is connected to the bottom with [[defending against intrusions in template 1-IIIa|template III-1-a]], and is connected to the top in two non-overlapping ways:
+The H4 piece is connected to the bottom with [[ziggurat|template III-1a]], and is connected to the top in two non-overlapping ways:
 <hexboard size="6x9"
@@ Line 111: / Line 111: @@
 />
-Red is now connected to the bottom via [[defending against intrusions in template 1-IIIa|template III-1-a]]. Note that neither of Red's threats overlapped.
+Red is now connected to the bottom via [[ziggurat|template III-1a]]. Note that neither of Red's threats overlapped.
 === Block at E3 ===
@@ Line 260: / Line 260: @@
 />
-And Red connects via [[defending against intrusions in template 1-IIIa|template III-1-a]].
+And Red connects via [[ziggurat|template III-1a]].
 === Block at H2, G3, or G4 ===
@@ Line 298: / Line 298: @@
 />
-Red's F4 piece is connected to the bottom via [[defending against intrusions in template 1-IIIa|template III-1-a]]. The only move preventing the F4 piece from connecting to the top is G2. Intrusions into the template are met by Red with parallel moves which maintain the connection to the bottom while guaranteeing a connection to the top. F5, F6 and E5 are met by E4 while E4, E6, D5, D6 and C6 are met by G4, connecting Red to both the top and the bottom.
+Red's F4 piece is connected to the bottom via [[ziggurat|template III-1a]]. The only move preventing the F4 piece from connecting to the top is G2. Intrusions into the template are met by Red with parallel moves which maintain the connection to the bottom while guaranteeing a connection to the top. F5, F6 and E5 are met by E4 while E4, E6, D5, D6 and C6 are met by G4, connecting Red to both the top and the bottom.
 === Block at G2 ===
@@ Line 327: / Line 327: @@
 />
-Red threatens to connect in two non-overlapping ways, while the E4 piece is connected with [[defending against intrusions in template 1-IIIa|template III-1-a]].
+Red threatens to connect in two non-overlapping ways, while the E4 piece is connected with [[ziggurat|template III-1a]].
 [[Category:Edge templates]]
 {{stub}}

@@ Line 58: / Line 58: @@
 The Red piece at H3 is connected to the top and threatening to connect to the bottom. Blue has one defense:
-<hex>R6 C10 Q1 Vg1 Vh1 Sa1 Sa2 Sa3 Sa4 Sa5 Sb1 Sb2 Sb3 Sb4 Sc1 Sc2 Sc3 Sd1 Sd2 Se1 Sj1 Sj2 Sj3 Bf4 Rd4 Be3 Rf3 Be4 Rh3 B1h4 R2g4 B3f6 R4f5 B5e6 R6e5 B7d6 R8d5 B9c6</hex>
+<hex>R6 C10 Q1 Vg1 Vh1 Sa1 Sa2 Sa3 Sa4 Sa5 Sb1 Sb2 Sb3 Sb4 Sc1 Sc2 Sc3 Sd1 Sd2 Se1 Sj1 Sj2 Sj3 Bf4 Rd4 Be3 Rf3 Be4 Rh3 B1h4 R2g4 B3f6 R4f5 B5e6 R6e5 B7d6 R8d5 B9c6 R0b5</hex>
-And now Red can connect via B5.
+And now Red has connected.
 Attempts by Blue to block the use of the D4 piece as a ladder escape can be shown to not work.

@@ Line 111: / Line 111: @@
 Or, if for move three Blue played G3:
-<hex>R6 C10 Q1 Vg1 Vh1 Sa1 Sa2 Sa3 Sa4 Sa5 Sb1 Sb2 Sb3 Sb4 Sc1 Sc2 Sc3 Sd1 Sd2 Se1 Sj1 Sj2 Sj3 Bd6 Rf5 Bf4 Rg4 B1g3 R2i2 B3h3 R4i3 B5h4 R6i4 B7h6 R8h5</hex>
+<hex>R6 C10 Q1 Vg1 Vh1 Sa1 Sa2 Sa3 Sa4 Sa5 Sb1 Sb2 Sb3 Sb4 Sc1 Sc2 Sc3 Sd1 Sd2 Se1 Sj1 Sj2 Sj3 Bd6 Rf5 Bf4 Rg4 B1g3 R2i2 B3h3 R4i3 B5h4 R6i4 B7h6 R8h5 B9g6 R0g5</hex>
-And Red cannot be stopped. Note that this method does not require the three right-most tiles. This means that this method can be used by Red in the symmetrical case of Blue intruding at F6.
+And Red is connected. Note that this method does not require the three right-most tiles. This means that this method can be used by Red in the symmetrical case of Blue intruding at F6.
 === Block at G2 ===

← Older revision	Revision as of 05:00, 12 December 2020
(No difference)

@@ Line 28: / Line 28: @@
 <hex>R6 C10 Q1 Vg1 Vh1 Sa1 Sa2 Sa3 Sa4 Sa5 Sb1 Sb2 Sb3 Sb4 Sc1 Sc2 Sc3 Sd1 Sd2 Se1 Sj1 Sj2 Sj3 B1e6 R2f3 Pe3 Pc4 Pd4 Pe4 Pb5 Pc5 Pd5 Pa6 Pb6 Pc6 Pd6</hex>
-Red threatens to connect via D4. Blue must respond in one of the marked hexs.
+Red threatens to connect via D4. Blue must respond in one of the marked hexes.
 <hex>R6 C10 Q1 Vg1 Vh1 Sa1 Sa2 Sa3 Sa4 Sa5 Sb1 Sb2 Sb3 Sb4 Sc1 Sc2 Sc3 Sd1 Sd2 Se1 Sj1 Sj2 Sj3 B1e6 R2f3 B3e4 R4h4</hex>