MESON Chess Problem Database
Years League
| YEAR | NUMBER |
|---|---|
| 0000 | 6,727 |
| 1283 | 1 |
| 1300 | 6 |
| 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 | 95 |
| 1845 | 52 |
| 1846 | 76 |
| 1847 | 189 |
| 1848 | 129 |
| 1849 | 161 |
| 1850 | 118 |
| 1851 | 85 |
| 1852 | 121 |
| 1853 | 118 |
| 1854 | 107 |
| 1855 | 114 |
| 1856 | 210 |
| 1857 | 299 |
| 1858 | 413 |
| 1859 | 462 |
| 1860 | 354 |
| 1861 | 383 |
| 1862 | 236 |
| 1863 | 140 |
| 1864 | 170 |
| 1865 | 202 |
| 1866 | 251 |
| 1867 | 271 |
| 1868 | 536 |
| 1869 | 374 |
| 1870 | 342 |
| 1871 | 426 |
| 1872 | 571 |
| 1873 | 850 |
| 1874 | 839 |
| 1875 | 787 |
| 1876 | 845 |
| 1877 | 834 |
| 1878 | 591 |
| 1879 | 478 |
| 1880 | 717 |
| 1881 | 876 |
| 1882 | 740 |
| 1883 | 752 |
| 1884 | 696 |
| 1885 | 694 |
| 1886 | 810 |
| 1887 | 722 |
| 1888 | 807 |
| 1889 | 506 |
| 1890 | 588 |
| 1891 | 472 |
| 1892 | 552 |
| 1893 | 602 |
| 1894 | 670 |
| 1895 | 636 |
| 1896 | 706 |
| 1897 | 800 |
| 1898 | 846 |
| 1899 | 716 |
| 1900 | 830 |
| 1901 | 941 |
| 1902 | 952 |
| 1903 | 662 |
| 1904 | 1,084 |
| 1905 | 1,136 |
| 1906 | 1,239 |
| 1907 | 1,248 |
| 1908 | 1,401 |
| 1909 | 1,475 |
| 1910 | 1,413 |
| 1911 | 1,869 |
| 1912 | 1,602 |
| 1913 | 1,847 |
| 1914 | 1,172 |
| 1915 | 1,548 |
| 1916 | 1,666 |
| 1917 | 1,798 |
| 1918 | 2,007 |
| 1919 | 2,044 |
| 1920 | 1,774 |
| 1921 | 1,825 |
| 1922 | 1,692 |
| 1923 | 1,621 |
| 1924 | 1,826 |
| 1925 | 2,674 |
| 1926 | 2,908 |
| 1927 | 2,178 |
| 1928 | 2,061 |
| 1929 | 1,608 |
| 1930 | 1,619 |
| 1931 | 1,479 |
| 1932 | 1,528 |
| 1933 | 1,659 |
| 1934 | 1,494 |
| 1935 | 1,523 |
| 1936 | 1,842 |
| 1937 | 1,456 |
| 1938 | 1,426 |
| 1939 | 1,009 |
| 1940 | 969 |
| 1941 | 945 |
| 1942 | 1,116 |
| 1943 | 1,133 |
| 1944 | 1,199 |
| 1945 | 1,287 |
| 1946 | 1,503 |
| 1947 | 1,940 |
| 1948 | 1,921 |
| 1949 | 1,715 |
| 1950 | 1,691 |
| 1951 | 1,635 |
| 1952 | 1,704 |
| 1953 | 1,576 |
| 1954 | 1,595 |
| 1955 | 1,669 |
| 1956 | 1,448 |
| 1957 | 1,433 |
| 1958 | 1,375 |
| 1959 | 1,313 |
| 1960 | 1,384 |
| 1961 | 1,198 |
| 1962 | 1,380 |
| 1963 | 1,245 |
| 1964 | 1,354 |
| 1965 | 1,343 |
| 1966 | 1,328 |
| 1967 | 1,361 |
| 1968 | 1,301 |
| 1969 | 1,406 |
| 1970 | 1,298 |
| 1971 | 1,232 |
| 1972 | 1,396 |
| 1973 | 1,441 |
| 1974 | 1,662 |
| 1975 | 1,641 |
| 1976 | 1,621 |
| 1977 | 1,514 |
| 1978 | 1,543 |
| 1979 | 1,583 |
| 1980 | 1,958 |
| 1981 | 1,695 |
| 1982 | 1,727 |
| 1983 | 1,716 |
| 1984 | 1,731 |
| 1985 | 1,585 |
| 1986 | 1,690 |
| 1987 | 1,816 |
| 1988 | 1,740 |
| 1989 | 1,799 |
| 1990 | 1,729 |
| 1991 | 1,721 |
| 1992 | 2,078 |
| 1993 | 2,005 |
| 1994 | 1,836 |
| 1995 | 1,895 |
| 1996 | 2,278 |
| 1997 | 1,964 |
| 1998 | 2,147 |
| 1999 | 2,310 |
| 2000 | 2,648 |
| 2001 | 2,074 |
| 2002 | 1,851 |
| 2003 | 1,552 |
| 2004 | 1,806 |
| 2005 | 1,547 |
| 2006 | 1,425 |
| 2007 | 1,370 |
| 2008 | 1,453 |
| 2009 | 1,323 |
| 2010 | 1,324 |
| 2011 | 1,110 |
| 2012 | 1,216 |
| 2013 | 1,113 |
| 2014 | 1,293 |
| 2015 | 1,167 |
| 2016 | 1,218 |
| 2017 | 1,274 |
| 2018 | 1,022 |
| 2019 | 930 |
| 2020 | 707 |
| 2021 | 77 |
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).