MESON Chess Problem Database
Search Results
| PID | YEARS | KINGS | GBR | STIP | AWARD | SOURCE | COMPOSER(S) |
|---|---|---|---|---|---|---|---|
| 52578 | 0000 | h5a8 | 1410.10 | #2 | None | Source? | Sonnenfeld, Felix Alexander |
| 52605 | 0000 | h7e4 | 4855.63 | #2 | None | BCF | Sonnenfeld, Felix Alexander |
| 52583 | 1930 | a6a8 | 1560.00 | #2 | None | O Globo | Sonnenfeld, Felix Alexander |
| 52588 | 1933 | a4d4 | 1022.21 | #2 | None | Deca | Sonnenfeld, Felix Alexander |
| 54615 | 1934 | b8c4 | 4352.24 | #2 | None | Diario Popular | Sonnenfeld, Felix Alexander |
| 109924 | 1935 | d8d4 | 1178.13 | #2 | None | Deca | Sonnenfeld, Felix Alexander |
| 118710 | 1937-1938 | a2e4 | 1857.31 | #2 | None | Brazilian Solving Championship | Sonnenfeld, Felix Alexander |
| 109922 | 1939 | g8f4 | 4288.31 | #2 | None | Revista DECA | Sonnenfeld, Felix Alexander |
| 54611 | 1940 | d4d6 | 1648.55 | #2 | None | Jornal do Brasil | Santiago, Joao Baptista & Sonnenfeld, Felix Alexander |
| 52580 | 1943 | c3a5 | 0240.01 | #2 | None | Xadrez Brasileiro | Sonnenfeld, Felix Alexander |
| 107134 | 1943 | f3d5 | 1123.43 | #2 | None | Xadrez Brasileiro | Sonnenfeld, Felix Alexander |
| 52584 | 1943 | f4d8 | 4102.12 | #2 | None | Xadrez Brasileiro | Sonnenfeld, Felix Alexander |
| 54610 | 1943 | g8e5 | 4588.17 | #2 | None | Xadrez Brasileiro | Sonnenfeld, Felix Alexander |
| 107135 | 1943-1944 | a1d4 | 4848.41 | #2 | 3rd HM. | BCPS 052. Ty. | Sonnenfeld, Felix Alexander |
| 52586 | 1955 | c2f5 | 1411.31 | #2 | None | To Mat | Cozzo, Humberto & Sonnenfeld, Felix Alexander |
| 52589 | 1955 | g8d7 | 0243.22 | #2 | None | To Mat | Mendes de Moraes Filho, Feliciano & Sonnenfeld, Felix Alexander |
| 246168 | 1955 | h3h1 | 1062.00 | #4 | None | Oberosterreichische Nachrichten | Sonnenfeld, Felix Alexander |
| 18332 | 1955-1956 | b1d3 | 1718.03 | #2 | 1st HM. | BCF | Sonnenfeld, Felix Alexander |
| 246873 | 1956 | a5c6 | 0141.10 | #4 | None | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 276806 | 1956 | b1e4 | 1542.02 | #2 | None | To Mat | Sonnenfeld, Felix Alexander |
| 177262 | 1956 | b8a1 | 1324.23 | #4 | 2nd Prize | Schach-Echo | Sonnenfeld, Felix Alexander |
| 136987 | 1957 | a6e4 | 1655.32 | #2 | None | Tijdschrift vd KNSB | Sonnenfeld, Felix Alexander |
| 54475 | 1957 | b1c6 | 0875.12 | #2 | None | Il Due Mosse | Sonnenfeld, Felix Alexander |
| 177187 | 1957 | b5a2 | 0213.01 | #4 | None | Schach-Echo | Sonnenfeld, Felix Alexander |
| 272751 | 1957 | b6d5 | 1434.01 | #2 | None | The Problemist | Sonnenfeld, Felix Alexander |
| 177148 | 1957 | b7a4 | 0105.01 | #4 | None | Schach-Echo | Sonnenfeld, Felix Alexander |
| 250861 | 1957 | b7d3 | 1555.14 | #2 | None | Jerusalem Post | Sonnenfeld, Felix Alexander |
| 52603 | 1957 | c8e4 | 1225.52 | #2 | None | Sao Paulo Chess Club | Sonnenfeld, Felix Alexander |
| 272681 | 1957 | c8f5 | 1721.23 | #2 | None | The Problemist | Sonnenfeld, Felix Alexander |
| 177185 | 1957 | f2h2 | 0231.01 | #4 | None | Schach-Echo | Sonnenfeld, Felix Alexander |
| 92213 | 1957 | f6e4 | 1442.13 | #2 | None | Schach Ecke | Sonnenfeld, Felix Alexander |
| 246932 | 1957 | g6h2 | 1413.16 | #4 | 2nd Prize | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 52582 | 1957 | h4e6 | 1414.13 | #2 | 1st HM. | Il Due Mosse | Sonnenfeld, Felix Alexander |
| 54472 | 1958 | a6d5 | 4588.52 | #2 | None | Vida Rotaria-Brasil | Massov, AG & Sonnenfeld, Felix Alexander |
| 177264 | 1958 | c3h5 | 1453.15 | #4 | 3rd Comm. | Schach-Echo | Sonnenfeld, Felix Alexander |
| 54473 | 1958 | e4c6 | 1544.14 | #2 | None | Problem (Zagreb) | Sonnenfeld, Felix Alexander |
| 52600 | 1958-1959 | e7e4 | 1248.03 | #2 | 2nd Prize | Nanning MT (Probleemblad) | Sonnenfeld, Felix Alexander |
| 177374 | 1959 | d8a5 | 1813.05 | #5 | 2nd Prize | Schach-Echo | Sonnenfeld, Felix Alexander |
| 41622 | 1960 | c8e5 | 4851.42 | #2 | 1st Prize | Postsjakk | Sonnenfeld, Felix Alexander |
| 54470 | 1960 | e2e4 | 4888.02 | #2 | 1st HM. | To Mat | Sonnenfeld, Felix Alexander |
| 52598 | 1960 | h3f3 | 1311.02 | #2 | None | O Globo | Sonnenfeld, Felix Alexander |
| 54476 | 1960-1961 | b5d5 | 1885.16 | #2 | 15th Place | Match: Brazil - Italy | Sonnenfeld, Felix Alexander |
| 54474 | 1960-1961 | f7e5 | 1585.33 | #2 | 3rd Prize | Caixa Economica 04. TT | Sonnenfeld, Felix Alexander |
| 217158 | 1961 | c7h2 | 1471.18 | #5 | 2nd HM. | Problem (Zagreb) | Sonnenfeld, Felix Alexander |
| 118702 | 1962 | a2e4 | 1745.23 | #2 | None | Il Due Mosse | Sonnenfeld, Felix Alexander |
| 118703 | 1962 | c1e4 | 4458.53 | #2 | None | Boletim da UBP | Sonnenfeld, Felix Alexander |
| 217310 | 1962 | c8h1 | 1431.07 | #5 | None | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 217333 | 1962 | e6h8 | 1601.06 | #5 | 1st Prize | Main-Post | Sonnenfeld, Felix Alexander |
| 217389 | 1962 | h5d2 | 1638.16 | #5 | None | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 54616 | 1963 | b1d4 | 4773.23 | #2 | 4th HM. | Guaratinqueta Chess Club | Sonnenfeld, Felix Alexander |
| 52604 | 1963 | b3d3 | 1877.24 | #2 | None | Match: Brazil - Italy | Figueiredo, Jose Miguel Dias & Sonnenfeld, Felix Alexander |
| 54609 | 1963 | b7d5 | 4785.54 | #2 | 4th HM. | Arguelles JT | Figueiredo, Jose Miguel Dias & Sonnenfeld, Felix Alexander |
| 177272 | 1963 | d3h8 | 1413.05 | #4 | HM. | Schach-Echo | Sonnenfeld, Felix Alexander |
| 174335 | 1964 | a3c4 | 3481.32 | #2 | 6th Comm. | Monreal-Longwy | Figueiredo, Jose Miguel Dias & Sonnenfeld, Felix Alexander |
| 177273 | 1964 | d7h8 | 1650.18 | #4 | 2nd Prize | Schach-Echo | Sonnenfeld, Felix Alexander |
| 52596 | 1964 | e2d4 | 1243.22 | #2 | None | Boletim da UBP | Sonnenfeld, Felix Alexander |
| 52585 | 1964 | g8f6 | 1735.11 | #2 | 8th HM. | Monreal-Longwy | Figueiredo, Jose Miguel Dias & Sonnenfeld, Felix Alexander |
| 54471 | 1965 | e1d3 | 1848.00 | #2 | None | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 54614 | 1965 | f7f5 | 1785.34 | #2 | None | The Problemist | Sonnenfeld, Felix Alexander |
| 253641 | 1965 | h7e5 | 1888.12 | #2 | None | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 54613 | 1965-1966 | h5e3 | 4825.45 | #2 | HM. | Boletim da UBP | Sonnenfeld, Felix Alexander |
| 52631 | 1966 | a6e4 | 1288.32 | #2 | Comm. | Magyar Sakkelet | Figueiredo, Jose Miguel Dias & Sonnenfeld, Felix Alexander |
| 217565 | 1966 | b7a5 | 3781.07 | #5 | None | Main-Post | Sonnenfeld, Felix Alexander |
| 38161 | 1966 | e1a1 | 0125.45 | #2 | 1st Prize | O Globo | Sonnenfeld, Felix Alexander |
| 52581 | 1966 | g6e6 | 4142.12 | #2 | 3rd HM. | Boletim da UBP | Sonnenfeld, Felix Alexander |
| 177290 | 1966 | g8a2 | 1714.06 | #4 | 4th Prize | Schach-Echo | Sonnenfeld, Felix Alexander |
| 54468 | 1966 | h7c5 | 4885.23 | #2 | 2nd Comm. | Arbejder-Skak | Figueiredo, Jose Miguel Dias & Sonnenfeld, Felix Alexander |
| 253591 | 1969 | c8c1 | 1733.05 | #4 | None | Schach-Echo | Sonnenfeld, Felix Alexander |
| 52633 | 1969-1971 | g8d5 | 1855.23 | #2 | 11th Comm. | Match: Brazil - Israel | Sonnenfeld, Felix Alexander |
| 54620 | 1970 | c2d4 | 1214.32 | #2 | Comm. | Valadao Monteiro Ty. | Sonnenfeld, Felix Alexander |
| 52601 | 1971 | h1e4 | 1888.24 | #2 | 2nd Prize | Sredba na Solidarnosta | Sonnenfeld, Felix Alexander |
| 177265 | 1972 | c5a7 | 1130.08 | #4 | None | Schach-Echo | Sonnenfeld, Felix Alexander |
| 52606 | 1973 | a7d6 | 4878.23 | #2 | 2nd HM. | Schach-Echo | Sonnenfeld, Felix Alexander |
| 54618 | 1974 | a8c3 | 4758.35 | #2 | 3rd Comm. | Goldschmidt MT | Sonnenfeld, Felix Alexander |
| 163832 | 1974 | b7e5 | 4475.14 | #2 | None | Novi Temi | Sonnenfeld, Felix Alexander |
| 54619 | 1975 | a6f4 | 4548.15 | #2 | None | Sinfonie Scacchistiche | Santiago, Joao Baptista & Sonnenfeld, Felix Alexander |
| 102478 | 1975 | b3d3 | 1311.02 | #2 | None | Europe Echecs | Sonnenfeld, Felix Alexander |
| 99713 | 1975 | f1c4 | 1884.26 | #2 | None | Magyar Sakkelet | Sonnenfeld, Felix Alexander |
| 52587 | 1975 | g2d3 | 1145.02 | #2 | None | Themes-64 | Sonnenfeld, Felix Alexander |
| 54608 | 1976 | h2d4 | 4758.25 | #2 | None | British Chess Magazine | Sonnenfeld, Felix Alexander |
| 176896 | 1977 | f8d5 | 1012.01 | #3 | None | Schach-Echo | Sonnenfeld, Felix Alexander |
| 54467 | 1977-1979 | b3e4 | 4278.23 | #2 | 4th HM. | Guanabara Chess Club | Sonnenfeld, Felix Alexander |
| 52632 | 1978 | c6e4 | 4528.01 | #2 | 6th HM. | Magyar Sakkelet | Sonnenfeld, Felix Alexander |
| 99767 | 1978 | c6e4 | 4528.02 | #2 | None | Magyar Sakkelet | Sonnenfeld, Felix Alexander |
| 54612 | 1980 | b8e5 | 4248.14 | #2 | None | Boletim da UBP | Sonnenfeld, Felix Alexander |
| 125931 | 1980 | h1f4 | 1825.52 | #3 | None | Canadian Chess Chat | Sonnenfeld, Felix Alexander |
| 118704 | 1980 | h2d4 | 1755.02 | #2 | Comm. | Canadian Chess Chat | Sonnenfeld, Felix Alexander |
| 54617 | 1980 | h6d3 | 4845.05 | #2 | None | Boletim da UBP | Sonnenfeld, Felix Alexander |
| 178051 | 1980-1983 | c7d4 | 4555.42 | #2 | 29th Place | 02. WCCT | Sonnenfeld, Felix Alexander |
| 123651 | 1982 | h6h8 | 0230.00 | #3 | None | Canadian Chess Chat | Berlingozzo, Engelberto & Sonnenfeld, Felix Alexander |
| 203037 | 1983 | b2e5 | 4482.27 | #2 | None | The Problemist | Sonnenfeld, Felix Alexander |
| 52629 | 1983 | b5d5 | 1588.26 | #2 | None | Die Schwalbe | Giebel, Gerd & Sonnenfeld, Felix Alexander |
| 125934 | 1983 | d3d7 | 1002.00 | #3 | None | Club de Fortaleza | Sonnenfeld, Felix Alexander |
| 80754 | 1983 | e3d8 | 1002.00 | #4 | None | Boletim da UBP | Auhagen, Ulrich Otto Ferdinand & Sonnenfeld, Felix Alexander |
| 254520 | 1983 | g4d6 | 1455.08 | #2 | None | Probleemblad | Berlingozzo, Engelberto & Sonnenfeld, Felix Alexander |
| 174326 | 1986 | d7f5 | 1011.13 | #2 | None | Boletim da UBP | Milward de Azevedo, Sergio & Sonnenfeld, Felix Alexander |
| 174330 | 1986-1987 | h7b3 | 1814.34 | #2 | 3rd Comm. | Boletim da UBP | Sonnenfeld, Felix Alexander & Zarur, Almiro Elias |
| 174336 | 1987 | a3d6 | 1815.10 | #2 | None | Boletim da UBP | Belliboni, Caetano & Sonnenfeld, Felix Alexander |
| 174353 | 1987 | a6d5 | 4588.53 | #2 | None | Boletim da UBP | Berlingozzo, Engelberto & Sonnenfeld, Felix Alexander |
| 174340 | 1987 | b7f5 | 4475.15 | #2 | None | Boletim da UBP | Loepert, Fritz & Sonnenfeld, Felix Alexander |
| 54469 | 1987 | g3e5 | 1448.23 | #2 | None | Die Schwalbe | Sonnenfeld, Felix Alexander |
| 171033 | 1990 | f8d5 | 1458.03 | #2 | None | Variantim | Faria, Oswaldo & Sonnenfeld, Felix Alexander |
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).