Portilla, Vincente Maria Norberto
Dubuque Chess Journal, 1871
#3
5 + 1
3498 | Chess Problems by V. M. N. Portilla | 1873 |
15 | British Chess Magazine | 1895 |
58 | Tijdschrift vd NSB | 1895 |
3238 | 777 Chess Miniatures in Three | 1908 |
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