Campbell, Joseph Graham
The Chess Player's Chronicle (Staunton), 1861
#2
3 + 2
3360 | Simple Two-move Themes | 1924 |
934 | Social Chess Quarterly (The) | 1934 |
3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
15 | British Chess Magazine | 1993 |
3310 | 2345 Chess Problems | 1997 |
3713 | Snap | 2004 |
5626 | European Junior Chess Solving Championship | 2005 |
5454 | Near Snap | 2008 |
Anticipated by 1940(1856)
This anticipates 52607(1875), 230682(1898), 198315(1920), 81326(1972), 172337(1996)
This is a version
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