| Name | ELO | Title | Federation | Games |
| Komissarov, Alexey | 1969 | FM |
 Russian Federation
|
64 |
| Komissarov, I. | 2217 |
Russian Federation
|
35 | |
| Komissarov, Stanislav | 1974 |
Russian Federation
|
9 | |
| Komissarov, Vladimir | 2245 |
Russian Federation
|
9 | |
| Komissarova, Soigina | 1939 |
Russian Federation
|
8 | |
| Komlev, Peter | 2232 |
Russian Federation
|
7 | |
| Komliakov, Viktor | 2372 | GM |
 Moldova
|
861 |
| Komljenovic, Luka | 2245 |
 Germany
|
154 | |
| Komljenovic, Tihomir | 1969 |
 Croatia
|
12 | |
| Komlosi, Frantisek | 1938 |
 Slovakia
|
10 | |
| Komlosi, Tibor | 1890 |
 Hungary
|
6 | |
| Kommar, Imre | 2089 |
Hungary
|
2 | |
| Kommer, Bas | 2134 |
 Netherlands
|
106 | |
| Komnenic, Branko | 2133 | FM |
 Serbia
|
49 |
| Komninos, Nikolaos | 2208 | CM |
 Greece
|
26 |
| Komogorova, Kamilla | 1729 |
Russian Federation
|
8 | |
| Komons, Christian | 1867 |
 France
|
10 | |
| Komora, Andrej | 2328 |
Slovakia
|
403 | |
| Komorowski, Piotr | 1822 |
 Poland
|
24 | |
| Komorzycki, Jakub | 2100 |
Poland
|
18 | |
| Komov, Roman | 2220 | FM |
Russian Federation
|
15 |
| Komovec, Ivan | 2037 |
 Slovenia
|
110 | |
| Kompe, Joerg | 1734 |
Germany
|
24 | |
| Komprda, Pavel | 1979 |
 Czech Republic
|
31 | |
| Komsic, Drago | 2228 |
Germany
|
68 | |
| Komsic, Ivan | 1852 |
Croatia
|
4 | |
| Komsoulas, Asterios | 1933 |
Greece
|
1 | |
| Komut, Burak | 1990 |
 Turkey
|
14 | |
| Komut, Kaan | 1938 |
Turkey
|
13 | |
| Komysheva, Margarita | 1990 | WFM |
Russian Federation
|
34 |
| Konak, Jan | 2104 |
Slovakia
|
31 | |
| Konakanchi, Ninad | 2115 |
 India
|
27 | |
| Konaplev, Anton | 2280 | FM |
 Austria
|
100 |
| Konara, Anupama | 1846 |
 Sri Lanka (formerly Ceylon)
|
28 | |
| Konara, Harshani | 1902 |
Sri Lanka (formerly Ceylon)
|
26 | |
| Konara, Palitha | 2060 |
 United Kingdom
|
14 | |
| Konarkowska Sokolov, Henrijeta | 2040 | WGM |
Serbia
|
105 |
| Konau, Ingo | 1904 |
Germany
|
1 | |
| Konc, Vili | 2191 |
Serbia
|
13 | |
| Koncar, Aleksandra | 2045 |
Serbia
|
2 | |
| Koncar, Stevan | 2159 |
Serbia
|
2 | |
| Koncerewicz, Julio Cesar | 1949 |
 Argentina
|
3 | |
| Koncsag, Sandor | 1792 |
Hungary
|
1 | |
| Koncz, Imre | 2099 |
Hungary
|
14 | |
| Konczak, Carsten | 2062 |
Germany
|
10 | |
| Konda, Adarsh | 2115 |
 United States
|
4 | |
| Kondakov, Adrian | 2043 | CM |
United States
|
34 |
| Kondaratsev, Denis | 1972 |
Russian Federation
|
9 | |
| Kondaurov, Anton | 2156 |
Russian Federation
|
9 | |
| Kondaurov, Sergey | 2097 |
Russian Federation
|
10 | |
| Kondenko, Alexey | 2061 |
Russian Federation
|
165 | |
| Kondopoulos, Dimitrios | 1999 |
Greece
|
35 | |
| Kondou, Eva | 2022 | WIM |
Greece
|
248 |
| Kondrak, Christof | 2107 |
Austria
|
155 | |
| Kondrak, Christoph | 2011 |
Austria
|
3 | |
| Kondrashov, Igor | 2295 |
Russian Federation
|
17 | |
| Kondrashov, Kirill | 1981 |
Russian Federation
|
9 | |
| Kondratiev, Denis | 1991 |
Russian Federation
|
33 | |
| Kondroska, Vaidotas | 2075 |
 Lithuania
|
9 | |
| Konecny, Sophie | 1910 |
Austria
|
4 | |
| Konenkin, Dmitry | 2267 | FM |
Russian Federation
|
73 |
| Koneru, Chandra Hawsa | 2217 |
India
|
94 | |
| Koneru, Humpy | 2546 | GM |
India
|
1625 |
| Koneski, Zoran | 2233 |
 Macedonia
|
3 | |
| Konev, Alexander | 1953 |
Russian Federation
|
27 | |
| Konev, Anatoly | 2278 | FM |
Russian Federation
|
11 |
| Konev, Kirill | 2279 |
Russian Federation
|
3 | |
| Konev, Yury | 2192 |
Russian Federation
|
3 | |
| Kong, Adrian | 1974 |
 Australia
|
11 | |
| Kong, Dezheng | 2062 |
 Canada
|
0 | |
| Kong, Dezheng | 2164 |
Canada
|
17 | |
| Kong, Xiangrui | 2401 |
 China
|
12 | |
| Kongevold, Hans I | 2028 |
 Norway
|
19 | |
| Kongsee, Uaychai | 2206 | FM |
 Thailand
|
44 |
| Konguvel, Ponnuswamy | 2222 | IM |
India
|
793 |
| Koniahli, Malek | 2288 | FM |
 Syrian Arab Republic
|
37 |
| Konic, Zlatko | 2011 |
Croatia
|
38 | |
| Konicek, Petr | 1987 |
Czech Republic
|
72 | |
| Konidakis, Alex | 1968 |
 Belgium
|
1 | |
| Konieczka, Frank | 2240 |
Germany
|
100 | |
| Konieczny, Sebastien | 2142 |
France
|
38 | |
| Konieczynski, Piotr | 1957 |
Poland
|
19 | |
| Konietzka, Bernd | 2015 |
Germany
|
6 | |
| Konietzka, Lutz | 2090 |
Germany
|
220 | |
| Konig, Balazs | 2110 |
Hungary
|
42 | |
| Konig, Cesar | 1942 |
Argentina
|
21 | |
| Konig, Vlastislav | 1699 |
Czech Republic
|
88 | |
| Konijn, Bart | 2213 | FM |
Netherlands
|
79 |
| Konijn, Piet | 1789 |
Netherlands
|
1 | |
| Konijn, Rob | 2110 |
Netherlands
|
62 | |
| Konik, Michael | 2130 |
Germany
|
156 | |
| Konikowski, Jerzy | 2325 | FM |
Germany
|
156 |
| Konin, Alexander | 1902 |
Russian Federation
|
9 | |
| Koning, Erwin | 1918 |
Netherlands
|
5 | |
| Koning, Nico | 1894 |
Netherlands
|
15 | |
| Koning, Peter | 1790 |
Netherlands
|
3 | |
| Konings, Frans | 2127 | FM |
Netherlands
|
111 |
| Konings, Leon | 2162 | FM |
Netherlands
|
131 |
| Konios, Georgios | 1471 |
Greece
|
26 | |
| Konistis, Loukas | 1884 |
Greece
|
11 | |
| Koniuh, Sergey | 2207 |
 Belarus
|
15 | |
| Koniukhov, Vladimir | 2033 |
Russian Federation
|
18 | |
| Koniushkov, Igor | 2514 | GM |
Russian Federation
|
167 |
| Konjevic, Boris | 1846 |
Croatia
|
1 | |
| Konjevic, Djordje | 2320 | FM |
 Montenegro
|
155 |
| Konjevic, Djordjije | 2034 |
Montenegro
|
5 | |
| Konjevic, Jelenko | 2205 |
 Bosnia And Herzegovina
|
9 | |
| Konjicanin, Muris | 2197 | FM |
Bosnia And Herzegovina
|
27 |
| Konjkov, Victor | 1807 |
Russian Federation
|
9 | |
| Konjkova, Lilia | 2033 |
Russian Federation
|
10 | |
| Konjuhov, Vladislav | 2125 |
Russian Federation
|
8 | |
| Konkolova, Nikola | 1706 |
Slovakia
|
7 | |
| Konnen, Timo | 1881 |
Netherlands
|
1 | |
| Konnov, Oleg | 2226 | FM |
Russian Federation
|
85 |
| Konnyu, Janos | 2334 | IM |
Hungary
|
388 |
| Kononen, Keijo | 2243 |
 Finland
|
65 | |
| Kononenko, Alexander | 2190 | FM |
 Ukraine
|
4 |
| Kononenko, Daniil | 1944 |
Russian Federation
|
22 | |
| Kononenko, Dmitry | 2613 | GM |
Ukraine
|
299 |
| Kononenko, Dmitry1 | 2302 | FM |
Ukraine
|
285 |
| Kononenko, Maxim | 2206 |
Russian Federation
|
1 | |
| Kononenko, Tatiana | 2317 | IM |
Ukraine
|
723 |
| Kononenko, Vitaliy | 1986 |
Ukraine
|
22 | |
| Kononenko, Vladimir | 1894 |
 Bulgaria
|
1 | |
| Kononov, Alexander | 2112 |
France
|
14 | |
| Kononov, Viktor V | 1926 |
Russian Federation
|
36 | |
| Konopecky, Frantisek | 2009 |
Czech Republic
|
15 | |
| Konopka, Jeremiasz | 1936 |
France
|
20 | |
| Konopka, Lukas | 1914 |
Czech Republic
|
16 | |
| Konopka, Michal | 2322 | IM |
Czech Republic
|
1561 |
| Konopka, Tomasz | 1975 |
Poland
|
1 | |
| Konopkova, Nina | 2090 |
Slovakia
|
30 | |
| Konopleva, Natalia | 2170 | WGM |
Russian Federation
|
94 |
| Konotop, Sergei | 2310 | FM |
Russian Federation
|
41 |
| Konovalov, Alexey Y | 1992 |
Russian Federation
|
33 | |
| Konovalov, Andrey | 2043 |
Ukraine
|
7 | |
| Konovalov, Eduard | 2042 |
Russian Federation
|
22 | |
| Konovalov, Nikolay | 1968 |
Russian Federation
|
174 | |
| Konovalov, Roman | 2009 |
Russian Federation
|
17 | |
| Konovalov, Valerij | 2228 | FM |
Russian Federation
|
10 |
| Konovalov, Viatcheslav | 1933 |
Russian Federation
|
22 | |
| Konovalov, Vladimir | 2097 |
Russian Federation
|
7 | |
| Konovalov, Vladislav | 2198 |
Russian Federation
|
15 | |
| Konovalova, Olesia | 2156 |
Ukraine
|
11 | |
| Konovalova, Vera | 2101 |
Ukraine
|
7 | |
| Konrad, Christian | 1750 |
Germany
|
5 | |
| Konrad, Edmund | 2064 |
Austria
|
83 | |
| Konrad, Frantisek | 1871 |
Czech Republic
|
8 | |
| Konrad, Jakob | 2016 |
Germany
|
89 | |
| Konrad, Lutz | 2206 |
Germany
|
29 |
| Name | ELO | Title | Federation | Games |
| Konradsen, Vagn | 1496 |
 Denmark
|
13 | |
| Konradsson, Stig | 1653 |
 Sweden
|
5 | |
| Konrath, Martin | 2019 |
Germany
|
32 | |
| Konsek, Peter | 2076 |
Germany
|
134 | |
| Konsky, Dmitry | 2071 |
Russian Federation
|
9 | |
| Konson, Konstantin | 2155 |
Germany
|
96 | |
| Konstacky, Matej | 2110 |
Czech Republic
|
95 | |
| Konstandinidis, Hristos | 2026 |
Greece
|
9 | |
| Konstantakopoulos, Dimosthenis | 1825 |
Greece
|
25 | |
| Konstantelias, Konstantinos | 1942 |
Greece
|
20 | |
| Konstantinidis, Konstantinos | 2026 |
Greece
|
50 | |
| Konstantinidis, Kriton | 1693 |
Greece
|
9 | |
| Konstantinidis, Lazaros | 1864 |
Greece
|
8 | |
| Konstantinidis, Mihalis | 1905 |
Greece
|
8 | |
| Konstantinomanolakis, Stavros | 1690 |
Greece
|
6 | |
| Konstantinou, Alexandros | 2182 |
Greece
|
16 | |
| Konstantinov, Aleksandar | 1999 | FM |
Macedonia
|
53 |
| Konstantinov, Alexandr | 2290 | IM |
Russian Federation
|
17 |
| Konstantinov, Maxim | 1966 |
Denmark
|
9 | |
| Konstantinov, Mikhail | 2102 |
Belarus
|
35 | |
| Konstantinov, Sergey | 2417 | IM |
Russian Federation
|
34 |
| Konstantinov, Vasiliy | 2196 |
Russian Federation
|
16 | |
| Konstantopoulos, Dimitrios | 1916 |
Greece
|
5 | |
| Konstantopoulos, Ioannis | 1863 |
Greece
|
3 | |
| Kontaki, Maria | 1498 |
Greece
|
5 | |
| Kontarinis, Andreas | 1708 |
Greece
|
14 | |
| Kontic, Djordjije | 2224 | IM |
Montenegro
|
483 |
| Kontis, Michail | 1903 |
Greece
|
1 | |
| Kontorovich, Michael | 2385 |
Australia
|
27 | |
| Kontos, Vasilios | 1822 |
Greece
|
2 | |
| Kontra, Miroslav | 1869 |
Slovakia
|
4 | |
| Kontsevik, Georgy | 2106 |
Russian Federation
|
10 | |
| Konttinen, Timo | 1969 |
Finland
|
28 | |
| Konya, Attila | 1846 |
Hungary
|
6 | |
| Konya, Balazs | 1991 |
Hungary
|
10 | |
| Konya, Karoly | 1895 |
Hungary
|
18 | |
| Konya, Laszlo | 1930 |
Hungary
|
32 | |
| Konyshev, Artem | 2322 |
Russian Federation
|
26 | |
| Konyves, Almos | 2315 | FM |
Hungary
|
178 |
| Konyves, Karoly | 2075 |
Hungary
|
2 | |
| Konzen, Horst | 1999 |
Germany
|
25 | |
| Koo, Oliver T | 2181 |
United States
|
6 | |
| Koohi, Reza | 1986 |
 Iran
|
9 | |
| Kooijmans, Jermo | 2274 | FM |
Netherlands
|
11 |
| Kooiman, Tobi | 2069 |
Netherlands
|
18 | |
| Kool, Gerard | 2140 |
Netherlands
|
121 | |
| Koons, Nat | 2266 |
United States
|
39 | |
| Koop, Boerge | 1918 |
Germany
|
19 | |
| Koop, Michael | 1509 |
Germany
|
24 | |
| Koop, Soeren | 2123 |
Germany
|
34 | |
| Koop, Thilo | 2088 |
Germany
|
182 | |
| Koop, Thorben | 2348 | IM |
Germany
|
105 |
| Koopman, Hendrik | 2010 |
Netherlands
|
28 | |
| Koopmann, Jens Peter | 2095 |
Germany
|
55 | |
| Koopmans, Cees | 2045 |
Netherlands
|
19 | |
| Koopmeiners, Karl | 1936 |
Germany
|
77 | |
| Koops, Randolf | 2062 |
Germany
|
65 | |
| Kooshani, Mahbuboollah | 1957 | FM |
 Afghanistan
|
41 |
| Kooyman, Marcel | 1803 |
Belgium
|
2 | |
| Kopacz, Grzegorz | 1998 | FM |
Poland
|
48 |
| Kopacz, Jaroslaw | 2198 |
Poland
|
49 | |
| Kopacz, Lukasz | 1858 |
Poland
|
36 | |
| Kopacz, Sandor | 1866 |
 Romania
|
9 | |
| Kopaisov, Mikhail | 2140 |
Russian Federation
|
9 | |
| Kopal, Josef | 2257 | FM |
Czech Republic
|
154 |
| Kopaloff, Nick | 1873 |
 Israel
|
12 | |
| Kopanski, Lorenz | 1901 |
Germany
|
27 | |
| Kopasov, Alexander | 2207 |
Russian Federation
|
98 | |
| Kopasov, Evgeny | 1935 |
Russian Federation
|
195 | |
| Kopasovskaja, Varvara | 2037 |
Russian Federation
|
16 | |
| Kopasz, Janos | 1879 |
Hungary
|
5 | |
| Kopasz, Robert | 2229 | FM |
Serbia
|
137 |
| Kopcak, Stanislav | 1937 |
Slovakia
|
9 | |
| Kopczak, Ruediger | 1978 |
Germany
|
9 | |
| Kopczyk, Daniel | 2261 |
Poland
|
17 | |
| Kopczynski, Krzysztof | 2051 |
Poland
|
4 | |
| Kopczynski, Michal | 2225 | CM |
Poland
|
83 |
| Kopec, Danny | 2308 | IM |
United States
|
157 |
| Kopec, Ladislav | 1867 |
Czech Republic
|
13 | |
| Kopec, Mariusz | 2012 |
Poland
|
30 | |
| Kopecky, Jiri | 1886 |
Czech Republic
|
66 | |
| Kopecky, Pavel | 2203 |
Czech Republic
|
29 | |
| Kopelevich, Boris | 1984 |
Israel
|
1 | |
| Koper, Ireneusz | 1923 |
Poland
|
12 | |
| Koper, Stefan | 1825 |
Czech Republic
|
114 | |
| Kopera, Michal | 2077 |
Slovakia
|
121 | |
| Kopf, Rainer | 1903 |
Germany
|
59 | |
| Kopias, Ferenc | 1782 |
Hungary
|
2 | |
| Kopic, Marijan | 1865 |
Croatia
|
8 | |
| Kopic, Mirko | 1912 |
Croatia
|
5 | |
| Kopica, Paulina | 1925 |
Poland
|
8 | |
| Kopicka, Karel | 1996 |
Czech Republic
|
108 | |
| Kopiecki, Edward | 1833 |
United States
|
11 | |
| Kopinits, Silvia | 1766 |
Austria
|
106 | |
| Kopinski, Tomasz | 2014 |
Poland
|
23 | |
| Kopisch, Martin | 2083 |
Germany
|
75 | |
| Kopischke, Maik | 1883 |
Germany
|
30 | |
| Kopjonkin, Gennady | 2295 | IM |
Russian Federation
|
217 |
| Kopjonkin, Kirill | 2314 | FM |
Russian Federation
|
1 |
| Kopkan, Pavel | 1937 |
Czech Republic
|
115 | |
| Koploy, Paul | 2320 | FM |
United States
|
17 |
| Kopmann, Rene | 2285 | FM |
Germany
|
59 |
| Kopnicka, Henrieta | 1868 |
Slovakia
|
7 | |
| Kopnicky, Frantisek | 1905 |
Slovakia
|
65 | |
| Kopnicky, Vladimir | 2104 |
Slovakia
|
76 | |
| Koporcic, Branko | 1967 |
Croatia
|
4 | |
| Kopp, Andre | 2236 |
Germany
|
27 | |
| Kopp, Berthold | 2198 |
Germany
|
114 | |
| Kopp, Daniel | 1887 |
Germany
|
7 | |
| Kopp, Jan | 2042 |
Germany
|
82 | |
| Kopp, Lubomir | 1556 |
Czech Republic
|
116 | |
| Kopp, Michel | 1929 |
France
|
1 | |
| Kopp, Nico | 2115 |
Germany
|
23 | |
| Koppany, Tamas | 2043 |
Hungary
|
10 | |
| Koppen, Willem | 1696 |
 Switzerland
|
4 | |
| Koppenhoefer, Bernhard | 2141 |
Germany
|
55 | |
| Koppens, Paul | 2335 |
Netherlands
|
2 | |
| Kopras, Sandra | 1669 |
Poland
|
7 | |
| Kopriva, Martin | 2163 |
Czech Republic
|
31 | |
| Kopriva, Oldrich | 2012 |
Czech Republic
|
24 | |
| Kopriva, Petr | 2011 |
Czech Republic
|
89 | |
| Koprivica, Cedomir | 1933 |
Serbia
|
37 | |
| Koprivnjak, Stefan | 1624 |
Austria
|
7 | |
| Kops, John | 1953 |
Denmark
|
19 | |
| Kopsa, Petri | 2002 |
Finland
|
69 | |
| Kopta, Jiri | 1924 |
Czech Republic
|
9 | |
| Kopta, Pavel | 2193 | FM |
Czech Republic
|
143 |
| Koptsov, Mikhail | 2322 |
Ukraine
|
14 | |
| Kopyl, Artem | 2327 | FM |
Russian Federation
|
36 |
| Kopylov, Alexander | 2388 |
Russian Federation
|
11 | |
| Kopylov, Alexander A | 2397 | IM |
 Fide
|
190 |
| Kopylov, Andrey | 2189 |
Russian Federation
|
39 | |
| Kopylov, Artem | 1612 |
Russian Federation
|
23 | |
| Kopylov, Daniel | 2355 | FM |
Germany
|
177 |
| Kopylov, Evgeny | 2451 | IM |
Russian Federation
|
2 |
| Kopylov, Mihail | 2457 | IM |
Ukraine
|
740 |
| Kopylov, Yuriy | 2059 |
Russian Federation
|
1 | |
| Kopylova, Natalia | 1845 |
Russian Federation
|
46 | |
| Korac, Dusan | 2002 |
Montenegro
|
1 | |
| Koraka, Makrina | 1736 |
Greece
|
9 | |
| Korba, Nicky | 2150 |
United States
|
1 | |
| Korba, Roman | 2147 |
Germany
|
70 | |
| Korbal, Arkadiusz | 2073 |
Poland
|
13 | |
| Korban, Katrina | 1904 |
 Estonia
|
23 | |
| Korbela, Lubomir | 1962 |
Slovakia
|
75 | |
| Korbovljanovic, Natasa | 1917 |
Serbia
|
34 | |
| Korbut, Ekaterina | 2448 | IM |
Russian Federation
|
551 |
| Korchagin, Oleg | 1962 |
Estonia
|
59 | |
| Korchagina, Alena | 2076 | WFM |
Russian Federation
|
12 |
| Korchenkova, Irina | 2102 | WFM |
Russian Federation
|
47 |
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