MESON Chess Problem Database
Years League
| YEAR | NUMBER |
|---|---|
| 0000 | 6,739 |
| 1283 | 1 |
| 1300 | 5 |
| 1350 | 6 |
| 1497 | 8 |
| 1512 | 1 |
| 1600 | 5 |
| 1604 | 1 |
| 1737 | 6 |
| 1750 | 3 |
| 1763 | 3 |
| 1766 | 1 |
| 1769 | 4 |
| 1787 | 1 |
| 1800 | 1 |
| 1802 | 1 |
| 1806 | 17 |
| 1813 | 3 |
| 1814 | 5 |
| 1817 | 3 |
| 1820 | 1 |
| 1821 | 1 |
| 1822 | 2 |
| 1823 | 4 |
| 1826 | 9 |
| 1827 | 6 |
| 1829 | 3 |
| 1830 | 4 |
| 1832 | 9 |
| 1833 | 1 |
| 1835 | 2 |
| 1836 | 9 |
| 1837 | 25 |
| 1838 | 6 |
| 1839 | 3 |
| 1841 | 24 |
| 1842 | 161 |
| 1843 | 34 |
| 1844 | 94 |
| 1845 | 51 |
| 1846 | 76 |
| 1847 | 189 |
| 1848 | 129 |
| 1849 | 161 |
| 1850 | 119 |
| 1851 | 85 |
| 1852 | 121 |
| 1853 | 119 |
| 1854 | 107 |
| 1855 | 112 |
| 1856 | 208 |
| 1857 | 298 |
| 1858 | 413 |
| 1859 | 460 |
| 1860 | 354 |
| 1861 | 382 |
| 1862 | 234 |
| 1863 | 139 |
| 1864 | 170 |
| 1865 | 201 |
| 1866 | 251 |
| 1867 | 271 |
| 1868 | 534 |
| 1869 | 374 |
| 1870 | 244 |
| 1871 | 332 |
| 1872 | 447 |
| 1873 | 697 |
| 1874 | 689 |
| 1875 | 606 |
| 1876 | 613 |
| 1877 | 632 |
| 1878 | 567 |
| 1879 | 414 |
| 1880 | 638 |
| 1881 | 785 |
| 1882 | 704 |
| 1883 | 721 |
| 1884 | 694 |
| 1885 | 689 |
| 1886 | 807 |
| 1887 | 721 |
| 1888 | 790 |
| 1889 | 454 |
| 1890 | 582 |
| 1891 | 471 |
| 1892 | 549 |
| 1893 | 587 |
| 1894 | 667 |
| 1895 | 630 |
| 1896 | 697 |
| 1897 | 764 |
| 1898 | 815 |
| 1899 | 678 |
| 1900 | 803 |
| 1901 | 918 |
| 1902 | 938 |
| 1903 | 645 |
| 1904 | 1,080 |
| 1905 | 1,133 |
| 1906 | 1,232 |
| 1907 | 1,245 |
| 1908 | 1,399 |
| 1909 | 1,469 |
| 1910 | 1,407 |
| 1911 | 1,761 |
| 1912 | 1,599 |
| 1913 | 1,788 |
| 1914 | 1,168 |
| 1915 | 1,502 |
| 1916 | 1,647 |
| 1917 | 1,797 |
| 1918 | 2,002 |
| 1919 | 2,045 |
| 1920 | 1,769 |
| 1921 | 1,822 |
| 1922 | 1,685 |
| 1923 | 1,618 |
| 1924 | 1,819 |
| 1925 | 2,671 |
| 1926 | 2,438 |
| 1927 | 1,564 |
| 1928 | 1,968 |
| 1929 | 1,496 |
| 1930 | 1,552 |
| 1931 | 1,311 |
| 1932 | 1,384 |
| 1933 | 1,433 |
| 1934 | 1,371 |
| 1935 | 1,415 |
| 1936 | 1,617 |
| 1937 | 1,287 |
| 1938 | 1,295 |
| 1939 | 883 |
| 1940 | 903 |
| 1941 | 892 |
| 1942 | 1,032 |
| 1943 | 1,093 |
| 1944 | 1,106 |
| 1945 | 1,269 |
| 1946 | 1,474 |
| 1947 | 1,793 |
| 1948 | 1,709 |
| 1949 | 1,567 |
| 1950 | 1,551 |
| 1951 | 1,483 |
| 1952 | 1,529 |
| 1953 | 1,429 |
| 1954 | 1,512 |
| 1955 | 1,601 |
| 1956 | 1,377 |
| 1957 | 1,363 |
| 1958 | 1,295 |
| 1959 | 1,247 |
| 1960 | 1,299 |
| 1961 | 1,142 |
| 1962 | 1,300 |
| 1963 | 1,205 |
| 1964 | 1,304 |
| 1965 | 1,274 |
| 1966 | 1,255 |
| 1967 | 1,262 |
| 1968 | 1,136 |
| 1969 | 1,297 |
| 1970 | 1,164 |
| 1971 | 1,078 |
| 1972 | 1,290 |
| 1973 | 1,301 |
| 1974 | 1,527 |
| 1975 | 1,486 |
| 1976 | 1,471 |
| 1977 | 1,378 |
| 1978 | 1,398 |
| 1979 | 1,435 |
| 1980 | 1,785 |
| 1981 | 1,574 |
| 1982 | 1,598 |
| 1983 | 1,596 |
| 1984 | 1,624 |
| 1985 | 1,465 |
| 1986 | 1,510 |
| 1987 | 1,638 |
| 1988 | 1,467 |
| 1989 | 1,583 |
| 1990 | 1,559 |
| 1991 | 1,569 |
| 1992 | 1,953 |
| 1993 | 1,969 |
| 1994 | 1,780 |
| 1995 | 1,807 |
| 1996 | 2,172 |
| 1997 | 1,872 |
| 1998 | 1,953 |
| 1999 | 2,227 |
| 2000 | 2,491 |
| 2001 | 1,941 |
| 2002 | 1,633 |
| 2003 | 1,444 |
| 2004 | 1,673 |
| 2005 | 1,395 |
| 2006 | 1,248 |
| 2007 | 1,202 |
| 2008 | 1,330 |
| 2009 | 1,157 |
| 2010 | 1,204 |
| 2011 | 924 |
| 2012 | 1,054 |
| 2013 | 930 |
| 2014 | 1,153 |
| 2015 | 1,026 |
| 2016 | 1,131 |
| 2017 | 1,155 |
| 2018 | 919 |
| 2019 | 804 |
| 2020 | 305 |
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).