Almost knightship
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| Almost knightship | |||||||||
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| Pattern type | Miscellaneous | ||||||||
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| Number of cells | 67 | ||||||||
| Bounding box | 13×19 | ||||||||
| Discovered by | Eugene Langvagen | ||||||||
| Year of discovery | 2004 | ||||||||
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Almost knightship is a partial spaceship discovered by Eugene Langvagen on March 23, 2004.[citation needed] It would have been an elementary knightship if two cells at the back end were not incorrect after the 6th generation, which provided evidence that small elementary knightships may exist within a considerably small bounding box.
Several more small almost knightships were found by Tomas Rokicki in February 2018, using a SAT solver,[1] of velocities (2,1)c/6 and (2,1)c/7. Further searching by Adam P. Goucher based on these partials led to the finding of a true elementary knightship, Sir Robin.
Image gallery
 generation 0 (left) and generation 6 (right) show that the pattern is different by only two cells |
See also
References
- ↑ Tomas Rokicki (February 14, 2018). Four new almost-knightships CGOL (discussion thread) at the ConwayLife.com forums
External links
- Almost knightship at the Life Lexicon
