MESON Chess Problem Database
Years League
| YEAR | NUMBER |
|---|---|
| 0000 | 6,763 |
| 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 | 23 |
| 1842 | 160 |
| 1843 | 34 |
| 1844 | 94 |
| 1845 | 50 |
| 1846 | 76 |
| 1847 | 189 |
| 1848 | 129 |
| 1849 | 161 |
| 1850 | 119 |
| 1851 | 85 |
| 1852 | 120 |
| 1853 | 119 |
| 1854 | 107 |
| 1855 | 113 |
| 1856 | 208 |
| 1857 | 294 |
| 1858 | 411 |
| 1859 | 459 |
| 1860 | 356 |
| 1861 | 290 |
| 1862 | 183 |
| 1863 | 110 |
| 1864 | 121 |
| 1865 | 142 |
| 1866 | 190 |
| 1867 | 203 |
| 1868 | 437 |
| 1869 | 213 |
| 1870 | 243 |
| 1871 | 331 |
| 1872 | 440 |
| 1873 | 689 |
| 1874 | 612 |
| 1875 | 540 |
| 1876 | 581 |
| 1877 | 573 |
| 1878 | 531 |
| 1879 | 410 |
| 1880 | 584 |
| 1881 | 692 |
| 1882 | 582 |
| 1883 | 501 |
| 1884 | 444 |
| 1885 | 455 |
| 1886 | 561 |
| 1887 | 456 |
| 1888 | 560 |
| 1889 | 442 |
| 1890 | 557 |
| 1891 | 433 |
| 1892 | 513 |
| 1893 | 547 |
| 1894 | 620 |
| 1895 | 607 |
| 1896 | 676 |
| 1897 | 762 |
| 1898 | 813 |
| 1899 | 675 |
| 1900 | 794 |
| 1901 | 913 |
| 1902 | 933 |
| 1903 | 636 |
| 1904 | 1,076 |
| 1905 | 1,131 |
| 1906 | 1,229 |
| 1907 | 1,240 |
| 1908 | 1,395 |
| 1909 | 1,435 |
| 1910 | 1,255 |
| 1911 | 1,762 |
| 1912 | 1,588 |
| 1913 | 1,776 |
| 1914 | 1,166 |
| 1915 | 1,499 |
| 1916 | 1,643 |
| 1917 | 1,795 |
| 1918 | 1,997 |
| 1919 | 2,046 |
| 1920 | 1,759 |
| 1921 | 1,816 |
| 1922 | 1,673 |
| 1923 | 1,595 |
| 1924 | 1,782 |
| 1925 | 2,640 |
| 1926 | 1,860 |
| 1927 | 1,516 |
| 1928 | 1,813 |
| 1929 | 1,451 |
| 1930 | 1,483 |
| 1931 | 1,257 |
| 1932 | 1,374 |
| 1933 | 1,423 |
| 1934 | 1,362 |
| 1935 | 1,402 |
| 1936 | 1,605 |
| 1937 | 1,272 |
| 1938 | 1,287 |
| 1939 | 873 |
| 1940 | 889 |
| 1941 | 884 |
| 1942 | 1,020 |
| 1943 | 1,033 |
| 1944 | 1,021 |
| 1945 | 1,205 |
| 1946 | 1,392 |
| 1947 | 1,748 |
| 1948 | 1,658 |
| 1949 | 1,548 |
| 1950 | 1,524 |
| 1951 | 1,460 |
| 1952 | 1,493 |
| 1953 | 1,383 |
| 1954 | 1,451 |
| 1955 | 1,569 |
| 1956 | 1,314 |
| 1957 | 1,272 |
| 1958 | 1,200 |
| 1959 | 1,188 |
| 1960 | 1,268 |
| 1961 | 1,127 |
| 1962 | 1,284 |
| 1963 | 1,195 |
| 1964 | 1,248 |
| 1965 | 1,199 |
| 1966 | 1,214 |
| 1967 | 1,166 |
| 1968 | 1,108 |
| 1969 | 1,257 |
| 1970 | 1,127 |
| 1971 | 1,036 |
| 1972 | 1,246 |
| 1973 | 1,236 |
| 1974 | 1,448 |
| 1975 | 1,380 |
| 1976 | 1,361 |
| 1977 | 1,213 |
| 1978 | 1,288 |
| 1979 | 1,340 |
| 1980 | 1,705 |
| 1981 | 1,477 |
| 1982 | 1,511 |
| 1983 | 1,538 |
| 1984 | 1,540 |
| 1985 | 1,324 |
| 1986 | 1,432 |
| 1987 | 1,535 |
| 1988 | 1,405 |
| 1989 | 1,504 |
| 1990 | 1,493 |
| 1991 | 1,488 |
| 1992 | 1,872 |
| 1993 | 1,912 |
| 1994 | 1,717 |
| 1995 | 1,739 |
| 1996 | 2,065 |
| 1997 | 1,743 |
| 1998 | 1,831 |
| 1999 | 2,131 |
| 2000 | 2,429 |
| 2001 | 1,884 |
| 2002 | 1,601 |
| 2003 | 1,371 |
| 2004 | 1,611 |
| 2005 | 1,313 |
| 2006 | 1,241 |
| 2007 | 1,192 |
| 2008 | 1,319 |
| 2009 | 1,155 |
| 2010 | 1,201 |
| 2011 | 920 |
| 2012 | 1,049 |
| 2013 | 924 |
| 2014 | 1,148 |
| 2015 | 1,017 |
| 2016 | 1,130 |
| 2017 | 1,150 |
| 2018 | 903 |
| 2019 | 758 |
| 2020 | 113 |
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).