| Name | ELO | Title | Federation | Games |
| Kotzold, Wolfgang | 1803 |
 Germany
|
12 | |
| Kotzot, Jiri | 2056 |
 Czech Republic
|
18 | |
| Kouassi Edichy Berenice | 1528 |
 Ivory Coast
|
4 | |
| Kouatly, Bachar | 2453 | GM |
 France
|
577 |
| Kouba, Libor | 1911 |
Czech Republic
|
2 | |
| Kouba, Petr | 1741 |
Czech Republic
|
28 | |
| Kouba, Severin | 1970 |
Germany
|
11 | |
| Koubek, Vaclav Sr | 1954 |
Czech Republic
|
123 | |
| Koubkova, Alena | 2038 |
Czech Republic
|
238 | |
| Koubova, Anna Marie | 2113 |
Czech Republic
|
65 | |
| Kouchak, Jason | 1807 |
France
|
18 | |
| Koudinov, Dimitri | 2065 |
 Netherlands
|
4 | |
| Koudounis, Vasileios | 2171 |
 Greece
|
2 | |
| Kouevi, Mawuvi Koue | 1810 |
 Togo
|
27 | |
| Kouimtsidis, Georgios | 1540 |
Greece
|
1 | |
| Kouioumdjian, David | 1869 |
France
|
6 | |
| Koukas, Anastasios | 1923 |
Greece
|
8 | |
| Koukidis, Nikolaos | 1864 |
Greece
|
1 | |
| Koukolik, Alexander | 1938 |
Czech Republic
|
132 | |
| Koukos, Ilias | 2054 |
Greece
|
28 | |
| Koukoufiki, Stefania | 1739 |
Greece
|
28 | |
| Koukoufikis, Alexandros | 2188 |
Greece
|
193 | |
| Koukoufikis, Georgios | 2163 |
Greece
|
101 | |
| Koukoufikis, Ioannis | 1639 |
Greece
|
140 | |
| Koukouselis, Anastasios | 2052 |
Greece
|
10 | |
| Koulaxouzidis, Georgios | 1947 |
Greece
|
6 | |
| Kouliouras, Ioannis | 1708 |
Greece
|
4 | |
| Koulitchenko, Alexandre | 2189 |
France
|
63 | |
| Koulitchenko, Francoise | 1591 |
France
|
8 | |
| Koum, Rene | 1831 |
France
|
9 | |
| Koumanis, Georgios | 1939 |
Greece
|
3 | |
| Koumanis, Stamatis | 2074 |
Greece
|
57 | |
| Koumba, Mounguen Jose Evrard | 1954 |
 Gabon
|
11 | |
| Koumpenas, Mihail | 2004 |
Greece
|
9 | |
| Koumtzis, Sotiris | 1512 |
Greece
|
3 | |
| Kounalakis, Evryklis | 2190 | CM |
Greece
|
112 |
| Kounine, Leonid | 2201 |
 Russian Federation
|
9 | |
| Kountardas, Panagiotis | 1820 |
Greece
|
11 | |
| Kountz, Jochen | 2233 | FM |
Germany
|
314 |
| Kourakoumba, Florent | 1794 |
 Central African Republic
|
22 | |
| Kourbanhoussen, Kassim | 1933 |
France
|
35 | |
| Kourek, Josef | 2025 |
Czech Republic
|
129 | |
| Kourkoulos Arditis, Stamatis | 2572 | GM |
Greece
|
292 |
| Kourkounakis, Ilias | 2345 | IM |
Greece
|
245 |
| Kourmoulakis, Konstantinos | 1857 |
Greece
|
1 | |
| Kourousis, Epaminondas | 2387 | IM |
Czech Republic
|
312 |
| Koursaris, Nikolaos | 1837 |
Greece
|
20 | |
| Kourtesis, Georgios | 2191 |
Greece
|
56 | |
| Kourtseva, Julie | 1858 |
 United Kingdom
|
9 | |
| Kousidis, Georgios | 2014 |
Greece
|
9 | |
| Kousidis, Vergis | 1907 |
Greece
|
8 | |
| Kouskoutis, Georgios-Alexandros | 2312 | FM |
Greece
|
59 |
| Koustas, Anastasios | 2225 |
Greece
|
19 | |
| Koustav, Chatterjee | 2534 | GM |
 India
|
192 |
| Koustuv, Dash | 2135 |
India
|
1 | |
| Kout, Zdenek | 2007 |
Czech Republic
|
52 | |
| Koutecky, Vaclav | 1510 |
Czech Republic
|
121 | |
| Koutlas, Nikolaos | 2332 | FM |
Greece
|
61 |
| Koutny, Bretislav | 1745 |
 Slovakia
|
18 | |
| Koutny, Pavel | 1921 |
Slovakia
|
8 | |
| Koutny, Petr | 2156 |
Czech Republic
|
27 | |
| Koutoukidis, Panagiotis | 2381 | FM |
Greece
|
59 |
| Koutourinis, Apostolos | 1979 |
Greece
|
13 | |
| Koutrakis, Stamatios | 1896 |
Greece
|
10 | |
| Koutroukis, Andreas | 1957 |
Greece
|
5 | |
| Koutroupas, Konstantinos | 1891 |
Greece
|
2 | |
| Koutsambelas, Hristos | 2112 |
Greece
|
3 | |
| Koutsangellou, Ioannis | 2106 |
Greece
|
10 | |
| Koutsidi, Amalia | 1881 |
Greece
|
1 | |
| Koutsidi, Martha | 1625 |
Greece
|
3 | |
| Koutsidis, Mihail | 1973 |
Greece
|
33 | |
| Koutsin, Sergey | 2481 | IM |
 Ukraine
|
452 |
| Koutsogiannopoulou, Theodora | 1900 | WCM |
Greece
|
19 |
| Kouvatsos, Filippos | 2165 |
Greece
|
148 | |
| Kouvatsou, Maria | 2037 | WGM |
Greece
|
404 |
| Kouvidis, Ioannis | 2026 |
Greece
|
19 | |
| Kouwenhoven, Arjen | 2023 |
Netherlands
|
18 | |
| Kouwenhoven, Derk | 2005 |
Netherlands
|
1 | |
| Kouwenhoven, Marisca | 2065 | WFM |
Netherlands
|
147 |
| Kouya, Tyeoulou Bernardin Frankl | 1753 |
Ivory Coast
|
10 | |
| Kouyach, Abdelali | 1909 |
 Morocco
|
5 | |
| Kouznetsov, Dimitri | 1912 |
Russian Federation
|
2 | |
| Kovac, Andrej | 2192 |
Slovakia
|
45 | |
| Kovac, Boris | 2157 | FM |
 Slovenia
|
167 |
| Kovac, Darko | 1832 |
 Croatia
|
25 | |
| Kovac, Ivan | 1836 |
Slovenia
|
8 | |
| Kovac, Lubomir | 1820 |
Slovakia
|
53 | |
| Kovac, Mihael | 1876 |
Croatia
|
11 | |
| Kovac, Mitja | 2113 |
Slovenia
|
32 | |
| Kovac, Petar | 2198 |
Croatia
|
4 | |
| Kovac, Petr | 1825 |
Czech Republic
|
27 | |
| Kovac, Stefan | 1805 |
Slovakia
|
5 | |
| Kovac, Zoltan | 2037 |
 Serbia
|
40 | |
| Kovacevic, Aleksandar | 2482 | GM |
Serbia
|
1447 |
| Kovacevic, Blazimir | 2383 | GM |
Croatia
|
1285 |
| Kovacevic, Boris | 1919 |
Serbia
|
24 | |
| Kovacevic, Bozidar | 1798 |
Serbia
|
8 | |
| Kovacevic, Djordje | 2130 |
Serbia
|
18 | |
| Kovacevic, Dragan | 2202 | FM |
Serbia
|
112 |
| Kovacevic, Dragisa | 2170 |
Serbia
|
18 | |
| Kovacevic, Dragoljub | 2003 |
 Montenegro
|
11 | |
| Kovacevic, Goran | 2206 |
Serbia
|
10 | |
| Kovacevic, Krsto | 2104 |
Croatia
|
7 | |
| Kovacevic, Matija | 2019 |
Croatia
|
10 | |
| Kovacevic, Nikola | 1966 |
Montenegro
|
31 | |
| Kovacevic, Paul | 1768 |
 Australia
|
5 | |
| Kovacevic, Predrag | 2214 | IM |
Serbia
|
114 |
| Kovacevic, Radmila | 2042 | WFM |
Serbia
|
212 |
| Kovacevic, Raimund | 1876 |
 Austria
|
3 | |
| Kovacevic, Sasa | 1831 |
Montenegro
|
1 | |
| Kovacevic, Sinisa | 2219 |
Serbia
|
39 | |
| Kovacevic, Slobodan | 2225 | IM |
Serbia
|
1086 |
| Kovacevic, Srecko | 1919 |
Croatia
|
49 | |
| Kovacevic, Stevo | 1939 |
Croatia
|
5 | |
| Kovacevic, Veljko | 2109 | FM |
Croatia
|
77 |
| Kovacevic, Vladimir | 2140 |
Serbia
|
110 | |
| Kovacevic, Vlatko | 2466 | GM |
Croatia
|
1284 |
| Kovachev, Daniel Jakobsen | 2240 | FM |
 Norway
|
192 |
| Kovachev, Radoslav | 1616 |
 Bulgaria
|
14 | |
| Kovacic, Damir | 2009 |
Croatia
|
23 | |
| Kovacic, Dubravko | 1984 |
 Bosnia And Herzegovina
|
1 | |
| Kovacic, Franjo | 1800 |
Croatia
|
6 | |
| Kovacic, Mario | 1894 |
Croatia
|
61 | |
| Kovacic, Misa | 2160 |
Serbia
|
9 | |
| Kovacic, Niko | 1706 |
Slovenia
|
1 | |
| Kovacic, Peter | 2178 |
Slovenia
|
268 | |
| Kovacic, Vjekoslav | 1985 |
Croatia
|
10 | |
| Kovacic, Vlastimir | 2052 |
Serbia
|
11 | |
| Kovacik, Emil | 2073 |
Slovakia
|
225 | |
| Kovacocy, Pavol | 2299 |
Slovakia
|
125 | |
| Kovacova, Zuzana | 2021 | WFM |
 Bermuda
|
219 |
| Kovacs, Adalbert | 1855 |
 Hungary
|
11 | |
| Kovacs, Adrian | 2209 | CM |
Hungary
|
113 |
| Kovacs, Andras | 1803 |
Hungary
|
49 | |
| Kovacs, Arpad | 2009 |
Hungary
|
43 | |
| Kovacs, Arthur | 2014 |
Hungary
|
260 | |
| Kovacs, Attila | 1722 |
Hungary
|
26 | |
| Kovacs, Daniel | 1877 |
Hungary
|
3 | |
| Kovacs, David | 1616 |
Hungary
|
36 | |
| Kovacs, Dezso | 1890 |
Hungary
|
5 | |
| Kovacs, Elod | 2080 | FM |
Hungary
|
151 |
| Kovacs, Ferenc | 2001 |
Hungary
|
39 | |
| Kovacs, Gabor 2 | 2490 |
Hungary
|
626 | |
| Kovacs, Gabor M | 2232 | FM |
Hungary
|
87 |
| Kovacs, Geza | 1965 |
Hungary
|
23 | |
| Kovacs, Gyorgy | 2128 |
Hungary
|
59 | |
| Kovacs, Imre | 1825 |
Hungary
|
2 | |
| Kovacs, Istvan | 1605 |
Hungary
|
180 | |
| Kovacs, Janos | 1576 |
Hungary
|
164 | |
| Kovacs, Jozef | 1654 |
Slovakia
|
18 |
| Name | ELO | Title | Federation | Games |
| Kovacs, Jozsef | 1723 |
Hungary
|
54 | |
| Kovacs, Jozsef Robert | 1839 |
Hungary
|
6 | |
| Kovacs, Judit | 2068 |
Hungary
|
1 | |
| Kovacs, Klara | 2073 | WIM |
Hungary
|
17 |
| Kovacs, Lajos | 2138 |
Hungary
|
125 | |
| Kovacs, Lajos D | 2170 | FM |
Hungary
|
42 |
| Kovacs, Laszlo | 1714 |
Hungary
|
100 | |
| Kovacs, Marton | 2115 |
Hungary
|
104 | |
| Kovacs, Miklos | 1909 |
Hungary
|
57 | |
| Kovacs, Milan | 2038 |
Hungary
|
7 | |
| Kovacs, Ondina | 1967 |
 Romania
|
64 | |
| Kovacs, Pal | 1847 |
Hungary
|
2 | |
| Kovacs, Peter | 1717 |
Hungary
|
76 | |
| Kovacs, Robert | 1754 |
Hungary
|
100 | |
| Kovacs, Sandor | 1621 |
Hungary
|
22 | |
| Kovacs, Tamas | 1778 |
Hungary
|
372 | |
| Kovacs, Tibor | 1791 |
Hungary
|
27 | |
| Kovacs, Veronika | 1789 |
Hungary
|
3 | |
| Kovacs, Vilmos | 1832 |
Hungary
|
2 | |
| Kovacs, Zoltan | 1580 |
Hungary
|
105 | |
| Kovacs, Zsolt | 1623 |
Hungary
|
152 | |
| Kovacsy, Barnabas | 2275 | FM |
Hungary
|
39 |
| Koval, Anton | 2005 |
Slovakia
|
78 | |
| Koval, Daniel | 2003 |
Slovakia
|
128 | |
| Koval, David W | 2209 |
 United States
|
23 | |
| Koval, Maros | 2050 |
Slovakia
|
18 | |
| Koval, Michal | 1980 |
Czech Republic
|
10 | |
| Koval, V. | 2270 |
Ukraine
|
3 | |
| Kovalainen, Markus | 1812 |
 Finland
|
9 | |
| Kovalchuk, Aleksey | 1686 |
Russian Federation
|
61 | |
| Kovalchuk, Alexey | 1935 | FM |
Russian Federation
|
43 |
| Kovalchuk, Dmitry | 2120 |
Russian Federation
|
9 | |
| Kovalchuk, Igor | 2057 |
Ukraine
|
15 | |
| Kovalchuk, Vladimir | 2333 | FM |
Ukraine
|
27 |
| Kovalcsik, Zoltan | 1721 |
Hungary
|
5 | |
| Kovalenko, Alexander | 2115 | IM |
Ukraine
|
49 |
| Kovalenko, Andrey | 1978 |
Russian Federation
|
21 | |
| Kovalenko, Igor | 2674 | GM |
Ukraine
|
1253 |
| Kovalenko, Maksym | 2026 |
Ukraine
|
1 | |
| Kovalenko, Nikolai | 2273 |
Ukraine
|
59 | |
| Kovalenko, Oleg | 2137 |
Ukraine
|
101 | |
| Kovalenko, Sergei | 1745 |
Russian Federation
|
10 | |
| Kovalenko, Sergey | 2120 |
Russian Federation
|
72 | |
| Kovalenko, Sergey P | 1953 |
 Belarus
|
1 | |
| Kovalenko, Vladimir | 2252 |
Russian Federation
|
34 | |
| Kovalenko, Yulya | 1890 |
Ukraine
|
19 | |
| Kovalev, Andrei | 1762 |
Russian Federation
|
1564 | |
| Kovalev, Denis | 2487 | IM |
Ukraine
|
162 |
| Kovalev, Dmitry | 2119 |
Belarus
|
16 | |
| Kovalev, Egor | 1474 |
Russian Federation
|
67 | |
| Kovalev, Evgeny | 2034 |
Russian Federation
|
44 | |
| Kovalev, Oleg | 2143 |
Russian Federation
|
11 | |
| Kovalev, Vitaly | 2208 |
Russian Federation
|
8 | |
| Kovalev, Vladislav | 2559 | GM |
 Fide
|
1270 |
| Kovaleva, Ekaterina | 1887 |
Russian Federation
|
12 | |
| Kovaleva, Marianna | 2047 |
Ukraine
|
40 | |
| Kovaleva, Natalia | 2144 | WIM |
Ukraine
|
34 |
| Kovaleva, Olga | 1950 | WFM |
Russian Federation
|
45 |
| Kovaleva, Valeria | 1600 |
Russian Federation
|
28 | |
| Kovalevich, Leonid | 2259 |
Russian Federation
|
9 | |
| Kovalevskaya, Ekaterina | 2281 | IM |
Russian Federation
|
1356 |
| Kovalevskaya, Natalia | 2027 | WFM |
Belarus
|
46 |
| Kovalevskaya, Svetlana | 1986 |
Russian Federation
|
67 | |
| Kovalevsky, Arkady | 2156 |
 Latvia
|
1 | |
| Kovalevsky, Armen | 2230 |
Russian Federation
|
11 | |
| Kovalevsky, Sergey | 2236 |
Russian Federation
|
1 | |
| Kovalevsky, Stanislav | 2128 | FM |
Fide
|
9 |
| Kovaliova, Valeria | 2033 |
Ukraine
|
74 | |
| Kovalishin, Evgeniy | 1949 |
Russian Federation
|
9 | |
| Kovalishin, Igor | 1953 |
Russian Federation
|
7 | |
| Kovaljov, Denis | 2274 |
 Estonia
|
139 | |
| Kovalov, Sergiy | 2334 |
Ukraine
|
81 | |
| Kovalsky, Vladimir | 1993 |
Slovakia
|
23 | |
| Kovalskyi, Roman | 1987 |
Ukraine
|
13 | |
| Kovalyov, Anton | 2631 | GM |
 Canada
|
562 |
| Kovalyov, Eduard | 2301 | FM |
Ukraine
|
9 |
| Kovan, Nazli | 1747 |
 Turkey
|
9 | |
| Kovanova, Baira | 2320 | WGM |
Russian Federation
|
810 |
| Kovanova, Mariya | 2118 | WFM |
 Kazakhstan
|
1 |
| Kovar, Jan | 1857 |
Czech Republic
|
83 | |
| Kovar, Jiri | 1812 |
Czech Republic
|
40 | |
| Kovar, Josef | 1961 |
Czech Republic
|
65 | |
| Kovar, Karel | 1777 |
Czech Republic
|
43 | |
| Kovar, Ladislav | 1774 |
Czech Republic
|
14 | |
| Kovar, Petr | 1539 |
Czech Republic
|
130 | |
| Kovar, Vaclav | 1741 |
Czech Republic
|
9 | |
| Kovar, Vojtech | 2201 |
Czech Republic
|
364 | |
| Kovarcik, Gilles | 2028 |
France
|
20 | |
| Kovarcik, Guillaume | 2152 |
France
|
70 | |
| Kovarcik, Thomas | 2208 |
France
|
94 | |
| Kovari, Laszlo | 1975 |
Hungary
|
21 | |
| Kovarik, Josef | 1908 |
Czech Republic
|
99 | |
| Kovarik, Otto | 1764 |
Slovakia
|
47 | |
| Kovarikova, Maria | 1940 | WCM |
Slovakia
|
1 |
| Kovarova, Oxana | 1801 |
Czech Republic
|
28 | |
| Kovarski, Julien | 1852 |
France
|
1 | |
| Kovats, Agoston | 1664 |
Hungary
|
1 | |
| Kovchan, Alexander | 2469 | GM |
Ukraine
|
1287 |
| Kover, Mate | 1887 |
Hungary
|
1 | |
| Kovermann, Peter | 1996 |
Germany
|
51 | |
| Kovero, Pirkka Pekka | 2073 |
Finland
|
21 | |
| Koveshnikova, Daria | 2089 |
Russian Federation
|
17 | |
| Kovesi, Attila | 1834 |
Hungary
|
8 | |
| Kovin, Egor | 1889 |
Russian Federation
|
19 | |
| Kovpak, Igor | 1948 |
Russian Federation
|
1 | |
| Kovshoj, Sune | 2171 | CM |
 Denmark
|
19 |
| Kovtun, Ekaterina | 1853 |
Russian Federation
|
8 | |
| Kovtun, Igor | 2045 |
Ukraine
|
18 | |
| Kovtun, Sergei | 2273 | IM |
Ukraine
|
39 |
| Kovtunenko, Alexandr | 2042 |
Russian Federation
|
59 | |
| Kovytev, Nikolay | 2185 |
Ukraine
|
35 | |
| Kowalak, Piotr | 2009 |
 Poland
|
48 | |
| Kowalczuk, Wojciech | 1990 |
Poland
|
14 | |
| Kowalczyk, Henryk | 1882 |
Poland
|
18 | |
| Kowalczyk, Lucjan | 2046 |
Poland
|
35 | |
| Kowalczyk, Marian | 1865 |
Poland
|
17 | |
| Kowalczyk, Mariusz | 1792 |
Poland
|
4 | |
| Kowalczyk, Martin | 1921 |
 Italy
|
37 | |
| Kowalczyk, Pawel | 2283 |
Poland
|
120 | |
| Kowalczyk, Rafal | 2188 |
Poland
|
90 | |
| Kowalczyk, Sabina | 1807 |
Poland
|
20 | |
| Kowalewska, Agata | 1694 |
Poland
|
9 | |
| Kowalewski, Jaroslaw | 2060 |
Poland
|
33 | |
| Kowalewski, Wladyslaw | 1445 |
Poland
|
4 | |
| Kowalik, Pawel | 1794 |
Poland
|
12 | |
| Kowalik, Waldemar | 1825 |
Poland
|
1 | |
| Kowallik, Juergen | 2036 |
Germany
|
53 | |
| Kowalska, Elzbieta | 1747 | WFM |
Poland
|
142 |
| Kowalska, Sara | 1921 |
Poland
|
53 | |
| Kowalski, Hans Michael | 1842 |
Germany
|
45 | |
| Kowalski, Igor | 2372 | IM |
Poland
|
164 |
| Kowalski, Krzysztof | 1433 |
Poland
|
2 | |
| Kowalski, Lukasz | 1625 |
Poland
|
38 | |
| Kowalski, Maciej | 1607 |
Poland
|
9 | |
| Kowalski, Michal | 1465 |
Poland
|
16 | |
| Kowalzick, Uwe | 1838 |
Germany
|
1 | |
| Kowara, Magdalena | 1950 |
Poland
|
14 | |
| Kowarsch, Peter | 1806 |
Austria
|
17 | |
| Kowicki, Adam | 1551 |
Poland
|
1 | |
| Kowohl, Andreas | 2145 |
Germany
|
23 | |
| Kowohl, Ewald | 1612 |
Germany
|
9 | |
| Kowsarinia, Amir | 2312 | FM |
 Iran
|
41 |
| Kowzan, Piotr | 2195 |
Poland
|
67 | |
| Koyias, Konstantinos | 2085 |
Greece
|
35 | |
| Koykka, Pekka | 2348 | IM |
Finland
|
227 |
| Koymans, Peter | 2040 |
Netherlands
|
1 | |
| Koys, Milan | 2092 |
Czech Republic
|
55 | |
| Koza, Stanislaw | 1771 |
Poland
|
10 | |
| Kozaczuk, Witold | 1807 |
Poland
|
35 | |
| Kozak, Adam | 2610 | GM |
Hungary
|
794 |
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