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Referenced by Notchers FlyingSaucerShape OneSpaceNotchers ThreeSpaceNotchers
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Two-Space Notchers
Two-space notchers are groups that consist of a chain on the second line, interrupted by a notch of two empty spaces on the second line and two stones on the third.
The term was invented by James Davies.
See also Notchers, One-Space Notchers and Three-Space Notchers.
![[Diagram]](../diagrams/8/0024086ab527161e0ced8d3c77970b4c.png) | Diag.: Two-space notchers |
Marked spots: possible weaknesses
Marked stones: legs
Classification...
211
![[Diagram]](../diagrams/43/617b19144b99bc6362749f7e53896a25.png) | Diag.: 211WW |
![[Diagram]](../diagrams/29/0383e11a1797b35a62aed52d66491f19.png) | Diag.: 211WN |
![[Diagram]](../diagrams/44/037bb6a0d2d0b7e42ad70e98b8d27c96.png) | Diag.: 211WS |
![[Diagram]](../diagrams/19/c392ad3f19823567519c7fc24ffa4147.png) | Diag.: 211NN |
![[Diagram]](../diagrams/9/168bd79550b7b82dab3ec6cf2bece88a.png) | Diag.: 211NS |
![[Diagram]](../diagrams/20/1fe97684d39a251095b3c9d5c0734e3a.png) | Diag.: 211SS |
All of the 211xx are dead
212
![[Diagram]](../diagrams/50/cdec50646f855b6d6aaa5e45ab04ef1b.png) | Diag.: 212WW |
![[Diagram]](../diagrams/45/1329b2f2c0733f7c03673bfb37bc3107.png) | Diag.: 212WN |
![[Diagram]](../diagrams/28/4559ab92a901c86349adaf3cd6ca2569.png) | Diag.: 212WS |
![[Diagram]](../diagrams/17/5b5795c265faa3b43e7af013c8cecee7.png) | Diag.: 212NW |
![[Diagram]](../diagrams/19/e72b246b9f365361e1b14dab38f383ad.png) | Diag.: 212NN |
![[Diagram]](../diagrams/5/801e0b9758b9af66d46e93d4c9ffee35.png) | Diag.: 212NS |
![[Diagram]](../diagrams/52/5f58b88020b28e68054d20a4930c5b5c.png) | Diag.: 212SW |
![[Diagram]](../diagrams/33/9073bdabfaebceb2601919c15e21bd0e.png) | Diag.: 212SN |
![[Diagram]](../diagrams/49/f6a1ca957399eb5e771c615fb7ad7104.png) | Diag.: 212SS |
All of the 212 are dead
222
![[Diagram]](../diagrams/38/6e30188a48d1e3ae836a5ac14031846b.png) | Diag.: 222WW |
aka the flying saucer shape. It is dead
![[Diagram]](../diagrams/20/c10827f0330daa6675ffc48ba02ea33e.png) | Diag.: 222WN |
Black can live
![[Diagram]](../diagrams/37/3977d7b06127bccd317c4f176601e61d.png) | Diag.: 222WS |
Black can live
![[Diagram]](../diagrams/24/d9671cbf63ab58e74558adf8a1870e10.png) | Diag.: 222NN |
Black can live
![[Diagram]](../diagrams/34/681d457f9696c9bd8454a078fd756454.png) | Diag.: 222NS |
Black can live
![[Diagram]](../diagrams/12/04c349874f34a9255cb61e9392cb7fe6.png) | Diag.: 222SS |
Black can live
All 222 are "Black can live, White can kill" except 222WW, which is dead.
213
![[Diagram]](../diagrams/36/b06a4194e5ba28acb41199e4cc85eaba.png) | Diag.: 213WW |
dead
![[Diagram]](../diagrams/14/ac97751de1e4c7a31373848c0682edcd.png) | Diag.: 213WW |
Black can live
(...)
All of 213 can make life, except for 213WW which is dead
223
![[Diagram]](../diagrams/6/3c3236af5edc30e2836dfa56173830a6.png) | Diag.: 223WW |
Black can live
![[Diagram]](../diagrams/7/53a29594c4a70ee8e66e5812bc1dc107.png) | Diag.: 223WN |
Black is alive
(...)
All 223WW are alive, except for 223WW, where Black can live and White can kill.
233
![[Diagram]](../diagrams/34/d0bec732621a35a4ce669a93611532e0.png) | Diag.: 233WW |
Black is alive
(...)
All 233xx are alive
Table
See notchers for conventions.
211WW D - 212WW D - 213WW D -- 214WW ? -- 215WW ?
211WN D - 212WN D - 213WN LD - 214WN ? -- 215WN ??
211WS D - 212WS D - 213WS LD - 214WS ?? - 215WS ??
211NN D - 212NW D - 213NW LD - 214NW ? -- 215NW ??
211NS D - 212NN D - 213NN LD - 214NN ?? - 215NN ?
211SS D - 212NS D - 213NS LD - 214NS ?? - 215NS ?
xxxxx --- 212SW D - 213SW LD - 214SW ?? - 215SW ??
xxxxx --- 212SN D - 213SN LD - 214SN ?? - 215SN ?
xxxxx --- 212SS D - 213SS LD - 214SS ?? - 215SS ?
222WW D -- 223WW LD
222WN LD - 223WN L
222WS LD - 223WS L
222NN LD - 223NW L
222NS LD - 223NN L
222SS LD - 223NS L
xxxxx --- 223SW L
xxxxx --- 223SN L
xxxxx --- 223SS L
This is a copy of the living page
"Two-Space Notchers" at
Sensei's Library.
(C) the Authors, published under the OpenContent License V1.0.
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