MESON Chess Problem Database
Years League
| YEAR | NUMBER |
|---|---|
| 0000 | 6,585 |
| 1283 | 1 |
| 1300 | 6 |
| 1350 | 6 |
| 1497 | 8 |
| 1512 | 1 |
| 1600 | 5 |
| 1604 | 1 |
| 1737 | 8 |
| 1750 | 3 |
| 1763 | 3 |
| 1766 | 1 |
| 1769 | 4 |
| 1787 | 1 |
| 1800 | 1 |
| 1802 | 1 |
| 1806 | 20 |
| 1813 | 3 |
| 1814 | 5 |
| 1817 | 3 |
| 1820 | 1 |
| 1821 | 1 |
| 1822 | 2 |
| 1823 | 4 |
| 1826 | 10 |
| 1827 | 6 |
| 1829 | 3 |
| 1830 | 4 |
| 1832 | 9 |
| 1833 | 1 |
| 1835 | 2 |
| 1836 | 9 |
| 1837 | 25 |
| 1838 | 6 |
| 1839 | 3 |
| 1841 | 24 |
| 1842 | 162 |
| 1843 | 35 |
| 1844 | 96 |
| 1845 | 52 |
| 1846 | 76 |
| 1847 | 189 |
| 1848 | 129 |
| 1849 | 161 |
| 1850 | 120 |
| 1851 | 85 |
| 1852 | 121 |
| 1853 | 118 |
| 1854 | 107 |
| 1855 | 115 |
| 1856 | 210 |
| 1857 | 299 |
| 1858 | 413 |
| 1859 | 465 |
| 1860 | 354 |
| 1861 | 383 |
| 1862 | 236 |
| 1863 | 140 |
| 1864 | 174 |
| 1865 | 204 |
| 1866 | 251 |
| 1867 | 273 |
| 1868 | 537 |
| 1869 | 374 |
| 1870 | 342 |
| 1871 | 426 |
| 1872 | 572 |
| 1873 | 876 |
| 1874 | 841 |
| 1875 | 790 |
| 1876 | 847 |
| 1877 | 835 |
| 1878 | 757 |
| 1879 | 661 |
| 1880 | 854 |
| 1881 | 901 |
| 1882 | 777 |
| 1883 | 774 |
| 1884 | 718 |
| 1885 | 723 |
| 1886 | 837 |
| 1887 | 756 |
| 1888 | 844 |
| 1889 | 548 |
| 1890 | 647 |
| 1891 | 489 |
| 1892 | 562 |
| 1893 | 612 |
| 1894 | 724 |
| 1895 | 638 |
| 1896 | 718 |
| 1897 | 807 |
| 1898 | 862 |
| 1899 | 730 |
| 1900 | 837 |
| 1901 | 960 |
| 1902 | 958 |
| 1903 | 672 |
| 1904 | 1,104 |
| 1905 | 1,157 |
| 1906 | 1,257 |
| 1907 | 1,258 |
| 1908 | 1,420 |
| 1909 | 1,489 |
| 1910 | 1,432 |
| 1911 | 1,893 |
| 1912 | 1,620 |
| 1913 | 1,849 |
| 1914 | 1,174 |
| 1915 | 1,551 |
| 1916 | 1,705 |
| 1917 | 1,832 |
| 1918 | 2,010 |
| 1919 | 2,045 |
| 1920 | 1,774 |
| 1921 | 1,845 |
| 1922 | 1,696 |
| 1923 | 1,643 |
| 1924 | 1,839 |
| 1925 | 2,686 |
| 1926 | 2,934 |
| 1927 | 2,430 |
| 1928 | 2,070 |
| 1929 | 1,751 |
| 1930 | 1,777 |
| 1931 | 1,537 |
| 1932 | 1,687 |
| 1933 | 1,750 |
| 1934 | 1,518 |
| 1935 | 1,550 |
| 1936 | 1,862 |
| 1937 | 1,491 |
| 1938 | 1,450 |
| 1939 | 1,035 |
| 1940 | 993 |
| 1941 | 956 |
| 1942 | 1,138 |
| 1943 | 1,143 |
| 1944 | 1,242 |
| 1945 | 1,293 |
| 1946 | 1,532 |
| 1947 | 2,002 |
| 1948 | 1,965 |
| 1949 | 1,768 |
| 1950 | 1,759 |
| 1951 | 1,700 |
| 1952 | 1,804 |
| 1953 | 1,605 |
| 1954 | 1,717 |
| 1955 | 1,764 |
| 1956 | 1,549 |
| 1957 | 1,528 |
| 1958 | 1,443 |
| 1959 | 1,418 |
| 1960 | 1,462 |
| 1961 | 1,324 |
| 1962 | 1,505 |
| 1963 | 1,347 |
| 1964 | 1,458 |
| 1965 | 1,474 |
| 1966 | 1,429 |
| 1967 | 1,494 |
| 1968 | 1,475 |
| 1969 | 1,675 |
| 1970 | 1,335 |
| 1971 | 1,308 |
| 1972 | 1,441 |
| 1973 | 1,473 |
| 1974 | 1,685 |
| 1975 | 1,703 |
| 1976 | 1,654 |
| 1977 | 1,567 |
| 1978 | 1,582 |
| 1979 | 1,647 |
| 1980 | 2,004 |
| 1981 | 1,818 |
| 1982 | 1,887 |
| 1983 | 1,825 |
| 1984 | 1,803 |
| 1985 | 1,660 |
| 1986 | 1,786 |
| 1987 | 1,887 |
| 1988 | 1,802 |
| 1989 | 1,926 |
| 1990 | 1,894 |
| 1991 | 1,795 |
| 1992 | 2,169 |
| 1993 | 2,151 |
| 1994 | 1,913 |
| 1995 | 1,967 |
| 1996 | 2,348 |
| 1997 | 2,059 |
| 1998 | 2,247 |
| 1999 | 2,402 |
| 2000 | 2,784 |
| 2001 | 2,119 |
| 2002 | 1,950 |
| 2003 | 1,696 |
| 2004 | 1,958 |
| 2005 | 1,652 |
| 2006 | 1,544 |
| 2007 | 1,482 |
| 2008 | 1,567 |
| 2009 | 1,437 |
| 2010 | 1,465 |
| 2011 | 1,225 |
| 2012 | 1,332 |
| 2013 | 1,223 |
| 2014 | 1,305 |
| 2015 | 1,215 |
| 2016 | 1,235 |
| 2017 | 1,322 |
| 2018 | 1,078 |
| 2019 | 986 |
| 2020 | 760 |
| 2021 | 559 |
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).