Isaev, Leonid Antonovich
2nd Prize, L'Echiquier, 1929
#2
11 + 9
887 | Mate in Two Moves | 1931 |
934 | Social Chess Quarterly (The) | 1934 |
3098 | FIDE Album (1914-1944) (I) | 1971 |
5454 | Near Snap | 2007 |
136 | Problem Observer | 2015 |
This anticipates 51589(1966)
There are these versions: 102480
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