| Name | ELO | Title | Federation | Games |
| Knicknie, Patrick | 1863 |
 Germany
|
6 | |
| Knies, Jonas | 1873 |
Germany
|
31 | |
| Kniest, Oliver | 2257 | FM |
Germany
|
440 |
| Knight, David | 1846 |
 Netherlands
|
18 | |
| Knight, Mark R | 1914 |
 United States
|
1 | |
| Knight, Simon | 2091 |
 United Kingdom
|
22 | |
| Knight, Timothy | 1857 |
 Guernsey
|
107 | |
| Knightson, John | 1902 |
 Ireland
|
4 | |
| Knipping, Paul | 1989 |
Germany
|
2 | |
| Knisch, Gabor | 2032 |
 Hungary
|
19 | |
| Knispel Roth, Martin | 2115 |
Germany
|
39 | |
| Knitl, Anton | 2082 |
Germany
|
105 | |
| Knize, Vaclav | 1880 |
 Czech Republic
|
18 | |
| Knizek, Jan | 2142 |
Czech Republic
|
88 | |
| Knobel, Hannah Bettina | 1740 |
Germany
|
51 | |
| Knobel, Mathias | 2053 |
 Switzerland
|
19 | |
| Knobel, Rolf | 2260 |
Switzerland
|
12 | |
| Knoblauch, Leonhard | 2113 |
Germany
|
4 | |
| Knoblauch, Peter | 2178 |
Germany
|
38 | |
| Knoblauch, Walter Lucas | 1927 |
 Brazil
|
33 | |
| Knobling, Rolf | 1687 |
Germany
|
37 | |
| Knodt, Peter | 1958 |
Germany
|
2 | |
| Knoedler, Dieter | 2335 | FM |
Germany
|
229 |
| Knoedler, Michael | 1754 |
Germany
|
1 | |
| Knoefel, Michael | 1988 |
Germany
|
7 | |
| Knoefel, Stefan | 1958 |
Germany
|
1 | |
| Knoepfle, Andreas | 1862 |
Germany
|
1 | |
| Knoeringer, Klaus | 1947 |
Germany
|
7 | |
| Knoerzer, Michael | 2076 |
Germany
|
50 | |
| Knof, Henrike | 1734 |
Germany
|
59 | |
| Knoflicek, Ctibor | 2205 |
 Austria
|
110 | |
| Knol, Geon | 2054 |
Netherlands
|
120 | |
| Knol, Wout | 1984 |
Netherlands
|
4 | |
| Knoll, Georg | 1952 |
Germany
|
7 | |
| Knoll, Hermann | 2253 | IM |
Austria
|
427 |
| Knoll, Martin | 2000 |
Austria
|
6 | |
| Knollmann, Benjamin | 1949 |
Germany
|
21 | |
| Knollmueller, Peter | 1919 |
Germany
|
56 | |
| Knoop, Wouter | 2023 |
Netherlands
|
2 | |
| Knop, Hauke | 1969 |
Germany
|
106 | |
| Knop, Jan | 2145 |
Germany
|
14 | |
| Knop, Jim | 1819 |
Germany
|
9 | |
| Knop, Karin | 1718 |
Germany
|
2 | |
| Knopf, Felix | 1968 |
Germany
|
22 | |
| Knopf, Roland | 1937 |
Germany
|
95 | |
| Knopik, Krzysztof | 2012 |
 Poland
|
21 | |
| Knopp, Ingmar | 2061 |
Germany
|
105 | |
| Knoppel, Bjorn | 1721 |
 Sweden
|
45 | |
| Knops, Peter | 1952 |
Germany
|
55 | |
| Knorpp, Rainer | 2090 |
Germany
|
18 | |
| Knorr Jarillo, Jose | 2168 |
 Spain
|
52 | |
| Knors, Rudy | 2094 |
 Belgium
|
100 | |
| Knosowski, Hans Josef | 1917 |
Germany
|
7 | |
| Knotek, Anton | 1850 |
 Slovakia
|
31 | |
| Knotek, Josef | 1940 |
Czech Republic
|
41 | |
| Knoth, Eugen | 1947 |
Germany
|
68 | |
| Knoth, Mikkel Berth | 1936 |
 Denmark
|
6 | |
| Knott, Richard | 1839 |
Germany
|
1 | |
| Knottnerus, Ivo | 2133 |
Netherlands
|
9 | |
| Knowles, Kendrick | 1874 | CM |
 Bahamas
|
29 |
| Knox, Alec | 1591 |
 Australia
|
1 | |
| Knox, Angela | 2005 |
Ireland
|
19 | |
| Knox, Christopher | 2187 |
 Canada
|
9 | |
| Knudde, Francis | 1781 |
Belgium
|
2 | |
| Knudsen, Jes West | 1899 |
Denmark
|
100 | |
| Knudsen, Jesper | 2046 |
Denmark
|
1 | |
| Knudsen, Martin | 1985 |
Denmark
|
6 | |
| Knudsen, Ole Scott | 2230 |
 Norway
|
92 | |
| Knudsen, Per | 2191 | FM |
Denmark
|
116 |
| Knudsen, Ragnar | 1998 |
Norway
|
50 | |
| Knudsen, Simon | 2231 |
Germany
|
22 | |
| Knudten Wessel, Annegret | 1821 |
Germany
|
38 | |
| Knuedel, Torben | 2321 | FM |
Germany
|
24 |
| Knuetter, Helmut | 1966 |
Germany
|
77 | |
| Knuth, Hannes | 2212 |
Germany
|
258 | |
| Knutsen, Oystein | 1885 |
Norway
|
11 | |
| Knutsen, Tom Greger | 1785 |
Norway
|
15 | |
| Knutsson, Hakan | 1848 |
Sweden
|
13 | |
| Knutsson, Larus | 1997 |
 Iceland
|
38 | |
| Knyazev, Alexey | 2243 |
 Ukraine
|
26 | |
| Knyazev, Viktor | 2219 |
 Russian Federation
|
23 | |
| Ko Ko Hlaing | 1943 |
 Myanmar (formerly Burma)
|
9 | |
| Ko Ko Ohn | 2107 | FM |
Myanmar (formerly Burma)
|
1 |
| Koba, Igor | 2190 |
Russian Federation
|
27 | |
| Koba, Yuriy | 1908 |
Ukraine
|
11 | |
| Kobaidze, Tsiuri | 2092 |
 Georgia
|
61 | |
| Kobak, Weronika | 1921 |
Poland
|
52 | |
| Kobakhidze, Irakli | 1645 |
Georgia
|
6 | |
| Kobal, Sasa | 2036 |
 Italy
|
4 | |
| Kobal, Vladimir | 2177 |
Ukraine
|
42 | |
| Kobalia, Mikhail | 2542 | GM |
 Fide
|
1337 |
| Koban, Balint | 2186 | FM |
Hungary
|
21 |
| Koban, Markus | 1923 |
Austria
|
7 | |
| Koban, Viktor | 1930 |
Austria
|
19 | |
| Kobas, Adnan | 2208 | FM |
 Bosnia And Herzegovina
|
92 |
| Kobas, Mihael | 1990 |
 Croatia
|
11 | |
| Kobayashi, Atsuhiko | 2129 | CM |
 Japan
|
31 |
| Kobe, Uros | 2058 |
 Slovenia
|
64 | |
| Kober, David | 2175 |
Germany
|
18 | |
| Kober, Henning | 2194 |
Germany
|
53 | |
| Kober, Mikhail | 1940 |
Russian Federation
|
9 | |
| Kober, Mladen | 2237 | FM |
Croatia
|
31 |
| Kober, Thorsten | 2202 |
Germany
|
37 | |
| Kobernat, Alan | 2029 |
United States
|
57 | |
| Kobese, Watu | 2263 | IM |
 South Africa
|
504 |
| Kobeshavidze, Lika | 1959 |
Georgia
|
21 | |
| Kobler, Mario | 2072 | CM |
 Liechtenstein
|
90 |
| Koblizek, Antonin | 1999 |
Czech Republic
|
12 | |
| Kobo, Ori | 2530 | GM |
 Israel
|
511 |
| Kobold, Andrej | 1975 |
Slovenia
|
9 | |
| Kobrin, Michael | 2280 |
Israel
|
53 | |
| Kobs, Gerald | 1980 |
Germany
|
12 | |
| Kobs, Stephan | 1885 |
Germany
|
62 | |
| Kobus, Sebastian | 2094 |
Poland
|
27 | |
| Kobylecki, Grzegorz | 2102 |
Poland
|
20 | |
| Kobyliansky, Igor | 2397 | FM |
Ukraine
|
25 |
| Kobylin, Artem | 2140 |
Russian Federation
|
9 | |
| Kobylkin, Evgeni | 2313 | FM |
Ukraine
|
346 |
| Kobzar, Alexandr | 2092 |
Ukraine
|
55 | |
| Kobzev, Dmitri | 2105 |
Russian Federation
|
59 | |
| Koc, Fatma | 1885 |
 Turkey
|
18 | |
| Koc, Ilkay | 1963 |
Turkey
|
2 | |
| Koc, Przemyslaw | 2346 |
Poland
|
105 | |
| Koc, Serkan | 1691 |
Turkey
|
12 | |
| Koc, Suleyman Sarp | 2002 |
Turkey
|
20 | |
| Koca, Cisem | 1753 |
Turkey
|
1 | |
| Kocab, Jan | 1933 |
Czech Republic
|
12 | |
| Kocabalkan, Tayfun | 1728 |
Turkey
|
1 | |
| Kocak, Branislav | 1933 |
Slovakia
|
7 | |
| Kocak, Can | 2088 |
Turkey
|
7 | |
| Kocevar, Leopold | 1735 |
Slovenia
|
4 | |
| Koch, Alain | 1904 |
 France
|
2 | |
| Koch, Alexander | 1797 |
Germany
|
77 | |
| Koch, Arno | 1849 |
Germany
|
21 | |
| Koch, Burkhard | 1815 |
Germany
|
16 | |
| Koch, Christian | 1982 |
Germany
|
7 | |
| Koch, Dennis | 1739 |
Germany
|
7 | |
| Koch, Enrico | 1981 |
Germany
|
54 | |
| Koch, Ernst | 1723 |
Germany
|
9 | |
| Koch, Ewald | 1959 |
Austria
|
1 | |
| Koch, Frank | 1940 |
Germany
|
84 | |
| Koch, Friedrich | 2048 |
Germany
|
61 | |
| Koch, Hans Juergen | 2265 |
Germany
|
194 | |
| Koch, Harald | 1962 |
Germany
|
23 | |
| Koch, Heiner | 1810 |
Switzerland
|
9 | |
| Koch, Helmut | 2017 |
Germany
|
19 | |
| Koch, Herbert | 1917 |
Germany
|
89 | |
| Koch, Hermann | 1960 |
Switzerland
|
17 | |
| Koch, Horst | 1847 |
Germany
|
69 | |
| Koch, Jean Rene | 2428 | IM |
France
|
718 |
| Name | ELO | Title | Federation | Games |
| Koch, Josef | 1993 |
Switzerland
|
8 | |
| Koch, Jost | 1824 |
Switzerland
|
26 | |
| Koch, Juan | 1987 |
 Argentina
|
163 | |
| Koch, Marion | 1786 |
France
|
5 | |
| Koch, Markus | 2056 |
Germany
|
4 | |
| Koch, Martin | 1981 |
Austria
|
52 | |
| Koch, Michael | 2016 |
Germany
|
85 | |
| Koch, Moritz | 2256 |
Germany
|
139 | |
| Koch, Norbert | 1825 |
Germany
|
1 | |
| Koch, Paul | 1659 |
 Luxembourg
|
7 | |
| Koch, Robert | 1437 |
Germany
|
30 | |
| Koch, Robin | 1891 |
Germany
|
21 | |
| Koch, Soeren | 1938 |
Germany
|
124 | |
| Koch, Stefan | 1942 |
Germany
|
4 | |
| Koch, Thomas | 1583 | IM |
Germany
|
415 |
| Koch, Ulrich | 1971 |
Germany
|
7 | |
| Koch, Werner | 1755 |
Switzerland
|
31 | |
| Koch, Wolfgang Max | 2319 | FM |
Germany
|
275 |
| Kochan, Orest | 2157 |
Ukraine
|
9 | |
| Kochanska, Bogumila | 1753 |
Poland
|
11 | |
| Kocharin, Timur | 2250 |
Germany
|
51 | |
| Kocharyan, Grant | 2047 |
 Armenia
|
9 | |
| Kocharyan, Hovik | 2003 |
Armenia
|
13 | |
| Kocharyan, Robert | 1911 |
Ukraine
|
4 | |
| Kocharyan Baghdasaryan, Arman | 1980 |
Spain
|
1 | |
| Kochavi, Dana | 2084 | WFM |
Israel
|
17 |
| Kochavi, Ori | 2406 | IM |
Israel
|
135 |
| Kocheev, Aleksandr | 2315 | FM |
 Belarus
|
100 |
| Kochendoerfer, Juergen | 1850 |
Germany
|
5 | |
| Kochert, Bedrich | 1655 |
Czech Republic
|
83 | |
| Kochet, Anastasia | 1975 |
Ukraine
|
38 | |
| Kochetkov, German | 2277 | IM |
Belarus
|
303 |
| Kochetkov, Iliya | 2057 |
Russian Federation
|
15 | |
| Kochetkov, Maksim | 2102 |
Belarus
|
14 | |
| Kochetkov, Victor N | 1940 |
Russian Federation
|
11 | |
| Kochetkov, Vitali | 2266 |
Belarus
|
68 | |
| Kochetov, Dmitri A | 1972 |
Russian Federation
|
38 | |
| Kochetov, Evgeny | 1938 |
Russian Federation
|
9 | |
| Kochiev, Ivan | 2064 | CM |
 Bulgaria
|
5 |
| Kochmanska, Joanna | 1493 |
Poland
|
11 | |
| Kochrekar, Vishwesh | 1764 |
 India
|
2 | |
| Kochseder, Georg | 1959 |
Germany
|
39 | |
| Kochukova, Anna | 2097 | WFM |
Russian Federation
|
72 |
| Kochyev, Alexander | 2370 | GM |
Russian Federation
|
1052 |
| Koci, Karel | 1897 |
Czech Republic
|
3 | |
| Koci, Ladislav | 1865 |
Czech Republic
|
35 | |
| Koci, Vaclav | 1947 |
Czech Republic
|
7 | |
| Koci, Vladimir | 1774 |
Czech Republic
|
2 | |
| Kocian, Karel | 2119 |
Czech Republic
|
10 | |
| Kocian, Miroslav | 2086 |
Czech Republic
|
21 | |
| Kocic, Milorad | 1920 |
 Serbia
|
9 | |
| Kocic, Sasa | 2195 | FM |
Serbia
|
45 |
| Kocijan, Andrej | 2137 |
Germany
|
1 | |
| Kocik, Genowefa | 1472 |
Poland
|
25 | |
| Kociscak, Jiri | 2479 | IM |
Czech Republic
|
360 |
| Kocjan, Miroslaw | 2003 |
Poland
|
11 | |
| Kock, Hans Uwe | 1959 | FM |
Liechtenstein
|
562 |
| Kock, Peter | 1837 |
Denmark
|
7 | |
| Kock, Rudolf | 1657 |
Germany
|
34 | |
| Kock, Stefan | 2048 |
Germany
|
49 | |
| Kock, Wolfgang | 1807 |
Germany
|
109 | |
| Kockan, Burce Serra | 1855 |
Turkey
|
32 | |
| Kockum, Anton Frisk | 2337 | FM |
Sweden
|
58 |
| Kocmal, Jaroslav | 1925 |
Slovakia
|
28 | |
| Kocour, Zdenek | 1798 |
Czech Republic
|
1 | |
| Kocourkova, Zuzana | 1777 |
Czech Republic
|
22 | |
| Kocovic, Miodrag | 2177 |
Serbia
|
6 | |
| Kocovski, Ivan | 2271 | FM |
 Macedonia
|
140 |
| Kocsis, Attila | 1904 |
Hungary
|
4 | |
| Kocsis, Gergely | 1437 |
Hungary
|
6 | |
| Kocsis, Gyorgy | 2293 | FM |
Hungary
|
117 |
| Kocsis, Istvan | 1489 |
Hungary
|
21 | |
| Kocsis, Janos | 2268 |
Hungary
|
82 | |
| Kocsis, Laszlo | 1923 |
Hungary
|
108 | |
| Kocsis, Levente | 2380 | FM |
 Romania
|
77 |
| Kocsis, Mihaly | 1904 |
Romania
|
20 | |
| Kocsis, Soma | 1721 |
Hungary
|
3 | |
| Kocsisek, Marcus | 2181 |
Austria
|
37 | |
| Kocsmar, Akos | 2047 |
Hungary
|
4 | |
| Kocsor, Robert | 2011 |
Hungary
|
25 | |
| Kocur, Alois | 2242 | FM |
Germany
|
87 |
| Kocur, Beata | 1933 |
Germany
|
54 | |
| Kocur, Gustav | 1800 |
Czech Republic
|
3 | |
| Kocur, Johan | 1961 |
Belgium
|
29 | |
| Kocur, Marc | 1823 |
Belgium
|
84 | |
| Kocur, Walter | 2082 |
Czech Republic
|
24 | |
| Kocwin, Bartosz | 2118 | FM |
Poland
|
50 |
| Kocyigit, Buse Naz | 2018 | WFM |
Turkey
|
75 |
| Koczka, Benjamin | 1866 |
Hungary
|
7 | |
| Koczka, Zsolt | 2143 | FM |
Hungary
|
146 |
| Koczo, Kristof | 2038 | FM |
Hungary
|
367 |
| Kodarapu, Ishaan | 2035 |
United States
|
1 | |
| Kodela, Marko | 1972 |
Slovenia
|
69 | |
| Kodela, Matjaz | 1950 |
Slovenia
|
15 | |
| Kodentsov, Grigori | 2270 | FM |
Netherlands
|
10 |
| Kodinets, Konstantin L | 2409 |
Russian Federation
|
109 | |
| Kodirov, Saidjon | 1873 |
 Uzbekistan
|
1 | |
| Kodjabachian, Ervand | 1744 |
France
|
1 | |
| Kodjabachian, Julien | 1866 |
France
|
9 | |
| Kodric, Gasper | 2012 |
Slovenia
|
11 | |
| Kodric, Martin | 2274 |
Slovenia
|
147 | |
| Kodric, Tilen | 2092 |
Slovenia
|
1 | |
| Kodric, Vladimir | 1955 |
Slovenia
|
44 | |
| Kodua, Davit | 2277 |
Georgia
|
14 | |
| Koebele, Winfried | 1767 |
Germany
|
37 | |
| Koeckeritz, Dieter | 1804 |
Germany
|
1 | |
| Koeditz, Katja | 1956 |
Germany
|
90 | |
| Koefeler, Christian | 1965 |
Austria
|
27 | |
| Koefoed, Peter | 1866 |
Denmark
|
18 | |
| Koegler, Dominique | 1789 |
France
|
4 | |
| Koehl, Franz Xaver | 1979 |
Germany
|
18 | |
| Koehler, Adalbert | 1932 |
Germany
|
18 | |
| Koehler, Christian | 1746 |
Switzerland
|
16 | |
| Koehler, Christian Friedrich | 2195 |
Germany
|
13 | |
| Koehler, Cyril | 1681 |
France
|
8 | |
| Koehler, Eckart | 2075 |
Germany
|
9 | |
| Koehler, Gerhard | 1742 |
Germany
|
58 | |
| Koehler, Hans Christian | 1836 |
Germany
|
7 | |
| Koehler, Inken | 2014 |
Germany
|
1 | |
| Koehler, Jerome | 1933 |
France
|
5 | |
| Koehler, Marianne | 1765 |
Germany
|
12 | |
| Koehler, Markus | 2067 |
Germany
|
78 | |
| Koehler, Martin | 1807 |
Germany
|
7 | |
| Koehler, Patrick | 2111 |
Germany
|
120 | |
| Koehler, Ronald | 2074 |
Germany
|
218 | |
| Koehler, Wesley | 2023 |
United States
|
1 | |
| Koehn, Dagmar | 1823 |
Germany
|
58 | |
| Koehn, Lennart | 2156 |
 Scotland
|
3 | |
| Koehn, Peter | 2212 |
Germany
|
109 | |
| Koehne, Arno | 1988 |
Germany
|
59 | |
| Koehnke, Martin | 1958 |
Germany
|
32 | |
| Koelbel, Wolfgang | 1821 |
Germany
|
1 | |
| Koelber, Daniel | 2191 |
Austria
|
23 | |
| Koelbl, Ines | 1863 |
Germany
|
9 | |
| Koelbl, Wolfgang | 1876 |
Germany
|
10 | |
| Koell, Hannes | 2050 |
Austria
|
5 | |
| Koelldorfer, Franz | 2009 |
Austria
|
86 | |
| Koelle, Arthur | 2187 |
Australia
|
56 | |
| Koelle, Dietfried | 1743 |
Germany
|
27 | |
| Koelle, Tobias | 2467 | IM |
Germany
|
231 |
| Koeller, Horst | 1831 |
Germany
|
11 | |
| Koeller, Oliver | 2232 | FM |
Germany
|
290 |
| Koellmer, Hans | 1742 |
Germany
|
118 | |
| Koelln, Rasmus | 2024 |
Germany
|
113 | |
| Koellner, Aaron Noah | 2104 | CM |
Germany
|
45 |
| Koellner, Christoph | 2011 |
Germany
|
58 | |
| Koellner, Ruben Gideon | 2441 | IM |
Germany
|
203 |
| Koellner, Ulrich | 1869 |
Germany
|
101 | |
| Koelmans, Jan Willem | 1869 |
Netherlands
|
21 | |
| Koelmel, Bernd | 1710 |
Germany
|
17 |
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