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Name ELO Title Federation Games
O'Brien, Kieran 1773 Ireland 11
O'Brien, Richard 2080 Ireland 1
O'Cinneide, Mel 2193 Ireland 9
O'Connell, Gerard 2048 Ireland 24
O'Connell, Kevin J 2328 FM Ireland 9
O'Connor, Jonathan 2129 Ireland 9
O'Connor, Joseph 2065 United Kingdom 7
O'Donnell, Robert 1879 United States 6
O'Donnell, Tom 2332 IM Canada 18
O'Donovan, Richard 2052 Ireland 13
O'Driscoll, Kieran 2079 Ireland 46
O'Grady, Gary 1932 Ireland 7
O'Leary, Matt 2053 Ireland 9
O'Reilly, Edward 2240 Ireland 8
O'Rourke, Ray 1866 Ireland 9
O'Shaughnessy, Conor 2209 Ireland 8
O'Shea, Kevin 2035 Ireland 10
Oancea, Nicolae 2052 Romania 11
Oates, David 2166 Wales 21
Oatlhotse, Providence 2190 IM Botswana 100
Obad, Andrija 2221 FM Bosnia And Herzegovina 20
Obad, Damir 1961 Croatia 6
Obando, Arnoldo 2230 Colombia 13
Obando, Carlos 1974 Peru 12
Obando, Richard 2102 Peru 9
Obarcanin, Nijaz 2008 Bosnia And Herzegovina 23
Obdrzalkova, Anita 1963 Slovakia 60
Obels, Jiri 2042 Netherlands 59
Obels, Pepijn 1744 Netherlands 35
Obenaus, Thomas 1760 Austria 15
Obeng, Kingsley 1745 Germany 35
Oberbarnscheidt, Ludger 2264 Germany 52
Oberberger, Guenther 1784 Austria 14
Oberbichler, Robert 1852 Austria 8
Oberdorfer, Christof 1781 Austria 9
Obere, Roman Franz 1988 Germany 7
Oberfrank, Istvan 2091 Hungary 37
Oberg, Mikael 2087 Sweden 5
Oberhofer, Andre 2283 Germany 73
Oberhofer, Cedric 2293 Germany 24
Oberhofer, Max 2131 Germany 108
Oberhofer, Peter 1869 Germany 7
Oberholzer, Francois 2056 FM South Africa 1
Oberholzer, Rex 1941 Namibia 38
Oberlin, Cecile 1656 France 1
Obermair, Walter 1873 Austria 22
Oberman, Hotimir 1874 Croatia 12
Obermayr, Hermann 2098 Austria 157
Obermeier, Edi 2067 Germany 31
Oberndoerfer, Frank 1965 Germany 60
Oberngruber, Thomas 2097 Austria 13
Obernoeder, Thomas 1748 Germany 15
Oberoi, Shelev 2144 United States 60
Oberpriller, Josef 1987 Germany 27
Oberrauch, Martin 2185 Italy 26
Obers, Frits 2119 Netherlands 138
Obersnel, Jan 1721 Slovenia 9
Oberst, Janosch 1856 Germany 7
Oberst, Thomas 2253 FM Germany 154
Oberste, Norbert 1751 Germany 83
Obert, Julien 1915 France 1
Oberweis, Paul 1943 Luxembourg 32
Obgolts, Erik 2430 FM Russian Federation 80
Obiamiwe, Paul 1908 Nigeria 91
Obiedzinski, Pawel 1812 Poland 9
Obiedzinski, Piotr 1843 Poland 5
Obierak, Wladyslaw 2089 Poland 40
Obili, Abhishek 2031 United States 5
Objois, Pierre Henri 1720 France 4
Oblak, Marko 1636 Italy 9
Oblamski, Vladimir 2065 Belarus 23
Oblin, Pierre 1775 France 1
Oblitas, Carlomagno 2394 IM Peru 333
Obodchuk, Andrei 2306 IM Russian Federation 399
Oboladze, Luka 2405 IM Georgia 82
Obolenskikh, Dmitry 2543 IM Russian Federation 91
Obolentseva, Alexandra 2305 WGM Russian Federation 104
Obolonin, Filipp 1865 Estonia 3
Obon Temprano, Sergi 2252 FM Spain 65
Obon Zuniga, Francisco 1785 Spain 19
Obona, Jan 2161 Slovakia 72
Oborina, Elena 2030 Russian Federation 11
Oborny, Lubor 1918 Czech Republic 3
Oboron, Georges 2005 Poland 13
Oborski, Artur 1903 Poland 8
Obradovic, Alexandar 2225 Serbia 1
Obradovic, Blazimir 2139 FM Serbia 4
Obradovic, Dragan 1947 Serbia 36
Obradovic, Milan 1479 Switzerland 5
Obradovic, Momcilo 1869 Serbia 3
Obradovic, Vasilije 1987 Serbia 12
Obralic, Esad 2331 FM Bosnia And Herzegovina 13
Obran, Harald 2016 Austria 80
Obregon, Andres Carlos 2503 GM Argentina 251
Obregon Garcia, Roxangel 2168 WIM Cuba 40
Obregon Rivero, Juan 2391 FM Cuba 179
Obreht, Slobodan 1966 Germany 23
Obreja, Mihai 1816 Romania 13
Obrezchikov, Mikhail 1871 Russian Federation 10
Obrien, Matthew 2188 United States 5
Obringer, Jean Marc 2077 France 24
Obrochta, Bogdan 2073 Poland 19
Obrovac, Zvonko 2153 Canada 7
Obrsal, Josef 1501 Czech Republic 41
Obrusnik, Dawid 1748 Poland 9
Obrusnik, Michal 2259 FM Poland 48
Obrusnik, Pawel 1599 Poland 8
Obsivac, Josef 2260 FM Czech Republic 451
Obst, James 2097 Australia 92
Obst, Martin 2021 Germany 28
Obuca, Bajro 2008 CM Bosnia And Herzegovina 26
Obukhov, Alexander 2330 GM Russian Federation 533
Obukhov, Sergeij 2078 Ukraine 11
Oburka, Vladislav 1759 Czech Republic 8
Ocabo Vera, Pedro Aristides 1632 Spain 9
Ocakacan, Deniz 1833 Turkey 9
Ocampo, Fermin 1953 Argentina 1
Ocampo, Gisel 1475 Argentina 5
Ocampo, Raul 2315 Argentina 63
Ocampo Vargas, Raul 2080 IM Mexico 124
Ocampos, Ian 2161 Argentina 23
Ocampos, Martin 1703 Paraguay 2
Ocana Lameiro, Oliver 1989 Spain 2
Ocana Roca, Juan Jesus 2145 Spain 33
Ocantos, Manuel 2225 Luxembourg 113
Ocariz Gallego, Jesus 1957 Spain 25
Occari, Maurizio 2018 Italy 22
Occhipinti, Giuseppe 1923 Italy 1
Occhipinti, Massimo 1928 Italy 22
Ocejo, Leyla 2061 Cuba 8
Ocelak, Jakub 2182 CM Czech Republic 9
Ocelik, Vaclav 1823 Netherlands 9
Ocepek, Martin 2108 Slovenia 16
Ochedzan, Tymon 2350 FM Poland 63
Ochelli, Francisco 1753 Paraguay 24
Ochirbat, Lkhagvajamts 2119 CM Mongolia 8
Ochirova, Irina 1487 Russian Federation 10
Ochkoos, Jura 2203 FM Canada 235
Ochkov, Radoslav 1929 Bulgaria 32
Ochman, Tomas 1780 Czech Republic 21
Ochmann, Denis 1485 Germany 7
Ochmann, Reimund 1932 Germany 49
Ochneva, Inga 2114 WFM Russian Federation 8
Ochoa, Carl Victor 2276 Philippines 35
Ochoa, Ismael 1861 Honduras 5
Ochoa, Jason 1786 United States 5
Ochoa, Matias 1961 Argentina 25
Ochoa de la Rosa, Manuel Dario 2409 FM Cuba 48
Ochodek, Mariusz 1985 Poland 9
Ochonski, Piotr 2160 Poland 36
Ochrana, Ladislav 1882 Slovakia 46
Ochs, Daniel Elias 2040 Germany 3
Ochs, Holger 2225 Germany 63
Ochsner, Bjorn Moller 2490 IM Denmark 273
Ochsner, Henrik 1880 Denmark 2
Ochsner, Thomas 2271 Denmark 347
Ochtman, Henk 2093 Netherlands 27
Ociepka, Dominika 1409 Poland 1
Ockay, Tomas 2104 Czech Republic 57
Ockenfels, Karsten 1636 Germany 7
Ocnarescu, Victor 2164 Romania 81
Ocokoljic, Zoran 1987 Serbia 19
Ocon Galilea, Francisco Jose 1949 Spain 23
Oconnor, Derek 2280 United States 13
Ocwieja, Piotr 1703 Poland 4
Ocytko, Andrzej 1992 Poland 95
Ocytko, Anna 1967 Poland 19
Ocytko, Michal 1124 Poland 9
Odachowski, Arthur 2205 Canada 64
Odadzic, Zoran 1705 Serbia 4
Odde, Eilif 1961 Norway 40
Odden, Jan Ove 1551 Norway 27
Oddone, Cristhian 2268 Uruguay 28
Odeev, Handszar 2305 GM Turkmenistan 510
Odeeva, Larisa 2198 WFM Turkmenistan 14
Odegaard, Per Chr 1736 Norway 2
Odegov, Artem 2286 FM Russian Federation 55
Odeh, Kenneth 1932 FM Nigeria 50
Odehnal, Jaroslav 1918 Czech Republic 13
Odehnal, Miroslav 2226 Czech Republic 22
Oden, Edgar 2008 Germany 22
Odendaal, Frederick 2003 South Africa 35
Odendahl, Reiner 2349 FM Germany 336
Odendahl, Steven M 2420 IM United States 95
Odermatt, Klaus 1781 Switzerland 14
Odermatt, Stefan 2132 Switzerland 6
Odesskij, Ilia 2429 IM Russian Federation 125
Odinaev, Timur 2302 FM Russian Federation 9
Odinaeva, Saodat 1893 Tajikistan 20
Odink, Karel 2116 Netherlands 10
Odinokov, Nikolai 2312 FM Russian Federation 82
Odisharia, Teona 2178 Georgia 78
Odler, Daniel 2034 Slovakia 84
Odnorozhenko, Evgenyi 2159 IM Ukraine 132
Odnorozhenko, Kateryna 2110 WIM Ukraine 148
Odor, Istvan 2140 Hungary 1
Odunaiya, Victor 1780 United Kingdom 4
Odzak, Senad 1834 Bosnia And Herzegovina 2
Oe, Oluf 1832 Denmark 24
Oechler, Hans Erich 2121 Germany 24
Name ELO Title Federation Games
Oechslein, Rainer 2190 Germany 228
Oehler, Markus 2063 Germany 35
Oehlerich, Per 1906 Denmark 22
Oehlmann, Dieter 2041 Germany 48
Oehmichen, Jan 1863 Denmark 24
Oehne, Ingo 1804 Germany 7
Oehne, Timo 2087 Germany 11
Oehrlein, Alexander 2144 Germany 29
Oehrlein, Thomas 2232 Germany 91
Oei, Hway Ik 2071 Netherlands 195
Oelert, Ralf 1981 Germany 50
Oellrich, Torben 1665 Germany 15
Oelrichs, Manfred 1667 Germany 155
Oelze, Joern 1971 Germany 48
Oendy, Oscar 2081 Australia 30
Oepen, Lothar 2064 Germany 79
Oergel, Ullrich 1954 Germany 14
Oertel, David 1979 Germany 27
Oertel, Thomas 1999 Germany 29
Oesch, Harry 1905 Switzerland 5
Oest, Thorsten 2111 Germany 36
Oesterle, Peter 2385 Germany 79
Oesterreicher, Moritz 1803 Austria 6
Oettel, Andreas 2244 Germany 32
Oettel, Lothar 1912 Germany 25
Oettinger, Hagen 2111 Germany 72
Oetzel, Roland 2270 Germany 23
Oez, Edda 1517 Germany 60
Oezen, Alf 1887 Germany 13
Ofak, Marko 2029 Slovenia 11
Ofek, Ram 2129 Israel 43
Offergeld, Martin 1473 Germany 10
Offermann, Fernando 2170 Germany 39
Officer, Amy 1825 WFM Scotland 71
Offinger, Robert 2181 Germany 96
Offringa, Joost 2292 Netherlands 51
Offringa, Tjaart Jan 2070 Netherlands 57
Ofir, Eran 2112 Israel 2
Ofitserian, Boris 2362 IM Russian Federation 129
Ofner, Maximilian 2192 Austria 16
Ofstad, Per 2010 Norway 369
Ofstad, Sigurd 2012 Norway 2
Ogaard, Leif 2356 GM Norway 594
Ogada Osir, Ibrahim 2123 Australia 18
Ogando Gonzalez, Francisco J 1942 Spain 4
Oganessian, Gaguik 2002 FM Armenia 2
Oganessiats, Ernest 2260 Armenia 11
Oganezova, Tamila 2057 Russian Federation 46
Oganian, Arsen 2228 Russian Federation 11
Oganian, Miran 2437 IM Russian Federation 362
Oganian, Roman 2215 Russian Federation 12
Oganisjn, Roman 2275 Russian Federation 107
Oganyan, Arsen 2213 Russian Federation 24
Ogbiyoyo, Perpetual Eloho 1892 WFM Nigeria 7
Ogden, Marcus W 1710 Australia 3
Ogdon, Ricardo 1612 Paraguay 25
Oger, Claude 1939 France 85
Oger, Daniel 1823 Belgium 21
Oger, Philippe 1830 France 1
Oges, Helene 1699 France 28
Oggier, Cesar 2225 Argentina 13
Ogiewka, Rafal 2065 Poland 11
Oginski, Ulrich 1823 Germany 9
Oglaza, Oskar 2304 FM Poland 95
Ogleznev, Alexandr 2360 FM Moldova 134
Oglobilia, Alexander 2242 Ukraine 65
Ogloblin, Nikolay 2346 IM Russian Federation 151
Ogloblina, Lidiya 2146 Russian Federation 9
Ognean, Mihnea-Ionut 2239 FM Romania 60
Ognerubova, Anastasia 2052 WFM Russian Federation 17
Ognibene, Piero 1770 Italy 2
Ognjacevic, Alen 1957 Croatia 20
Ognjan, Renato 1989 Croatia 8
Ogonowska, Katarzyna 1835 Poland 77
Ogorodov, Petr 1816 Russian Federation 15
Ograbek, Grzegorz 2087 CM Poland 19
Ogradi, Gregor 1958 Slovenia 16
Ogunmefun, Adekunle 2041 United States 32
Ogunremi, Adenike 1542 Nigeria 10
Ogunshola, Ben 2148 Nigeria 39
Ogunwobi, Tolulope 2108 Nigeria 6
Oguz, Huseyin 1754 Turkey 6
Oguzov, Shamil 2178 Russian Federation 9
Ohanyan, Emin 2373 FM Armenia 81
Oharek, Vlastimil 1701 Czech Republic 2
Ohat, Imre 1940 Hungary 1
Ohayv, Nikolaj 1915 Denmark 8
Ohl, Christophe 2107 France 15
Ohler, Julius 2027 Germany 12
Ohlund, Nicolas 1972 France 8
Ohlzon, Nils Johan 2158 Sweden 84
Ohman, Anders 2046 Sweden 28
Ohme, Kerstin 1753 Germany 18
Ohnesorg, Felix 1837 Germany 11
Ohnmacht, Rolf 1818 Germany 13
Ohnmacht, Simon 1994 Germany 52
Ohresser, Olivier 1862 France 4
Ohrn, Stellan 1981 Sweden 9
Ohst, Holger 1924 Germany 36
Ohunov, Bobur 2151 Uzbekistan 9
Oillic, Goulven 1721 France 1
Oitzl, Danijel 1816 Austria 12
Ojagverdiyev, Zaur 2043 Azerbaijan 15
Ojala, Hannu 1773 Finland 19
Ojanen, Jyrki 2072 Finland 40
Ojanen, Pekka 2225 Finland 32
Ojaos Penalver, Abel 1909 Spain 18
Ojas Kulkarni 2219 India 110
Ojeda, Hector 2117 Chile 12
Ojeda, Hernan 2173 Argentina 92
Ojeda, Javier 2197 Paraguay 22
Ojeda, Jesus David 2064 Colombia 9
Ojeda Ruiz, Jose Luis 1517 Spain 37
Ojer Lora, Iker 2067 Spain 30
Ojo, Damilola 2041 Nigeria 0
Ojrzynski, Blazej 2120 Poland 12
Ojstosek, Mirko 1667 Germany 31
Oka, Hikaru 2421 Japan 18
Okamura, Milton Kasuo 1912 Brazil 81
Okanli, Muratcan 1635 Turkey 1
Okanovic, Jasmina 1523 Croatia 21
Okara, Andrey 2340 IM Russian Federation 123
Okas, Walter 2209 Uganda 10
Okay, Arda Efe 1885 Turkey 6
Okay, Koray 2076 Turkey 7
Okcular, Ayhan 2145 Turkey 31
Oker, Bertil 1589 Germany 7
Okhotnik, Vladimir 2333 GM France 1168
Okhrimenko, Sergei 2209 Ukraine 9
Okicic, Nermin 2203 Bosnia And Herzegovina 14
Okike, David 2167 CM Nigeria 82
Okilj, Nevenko 2035 Serbia 7
Okilj, Tigran 2131 Serbia 2
Okkes, Menno 2334 FM Netherlands 196
Okladnikov, Gennady 2067 Russian Federation 59
Okon, Dariusz 2165 Poland 2
Okoniewski, Pawel 1775 Poland 9
Okorn, Jan 1768 Slovenia 9
Okorn, Nejc 1847 Slovenia 19
Okos, Alexander 1997 Slovakia 77
Okosieme, Iozeph 1980 United Kingdom 36
Okoth, Joachim 2171 Uganda 56
Okpu, Robert 1808 Sweden 7
Okrajek, Alexander 2120 Germany 137
Okrosa, Marijan 2070 Croatia 58
Okrouhlik, Zdenek 1789 Czech Republic 9
Okruashvili, Georgy 2118 Russian Federation 10
Okruch, Jaroslaw 1428 Poland 9
Okrucinski, Tadeusz 2182 FM Poland 40
Okrugic, Tomislav 1963 Croatia 14
Okrugin, Alexander 2018 Russian Federation 8
Okrugin, Sergey 2319 IM Russian Federation 202
Oksa, Jaakko 2046 Finland 17
Oksanen, Timo 1908 Finland 66
Oksnevad, Arild 1816 Norway 3
Oksuz, Akin 2161 Turkey 8
Okulov, Andrey 2251 Russian Federation 9
Okuma, Yutaka 1499 Brazil 3
Okumus, Gorkem Deniz 1875 Turkey 21
Okun, Evgeny 2153 Russian Federation 78
Okun, Leonid 2266 FM Russian Federation 52
Okunev, Lev 2214 Russian Federation 38
Okunev, Taras 2097 Russian Federation 21
Okuniewski, Boguslaw 2217 Poland 33
Okur, Kadir 1786 Turkey 1
Okus, Melih 2039 Turkey 14
Okuyaz, Duru 2094 WFM Turkey 35
Olabe Odriozola, Eduardo 1939 Spain 19
Olaciregui, Eduardo 1999 Argentina 19
Olafsson, Arni 1397 Iceland 5
Olafsson, David 2267 FM Iceland 126
Olafsson, Fridrik 2355 GM Iceland 1042
Olafsson, Helgi 2511 GM Iceland 1343
Olafsson, Smari 1914 Iceland 2
Olah, Janos 1951 Hungary 27
Olah, Jozsef 1880 Hungary 15
Olah, Peter 2201 Hungary 7
Olah, Sandor 1989 Hungary 165
Olah, Zsigmond 2039 Hungary 59
Olaizola Ortega, Luis 2094 Spain 165
Olander, Aleksi 2110 Finland 15
Olape, Bunmi 2235 IM Nigeria 94
Olar, Adrian 1729 Romania 5
Olarasu, Gabriela 2256 WGM Romania 689
Olarasu, Ioana 1769 Romania 12
Olarasu, Iuliana 2014 Romania 5
Olariu, Luca-Stefan 2113 Romania 8
Olaru, Daniel 2081 France 4
Olatunji, Oluwatobiloba 1918 WFM Nigeria 11
Olausson, Claes Goran 2274 Sweden 87
Olave Parra, Hugo 1795 Chile 17
Olay, Edgar Reggie 2195 Philippines 40
Olay Valdes, Rodrigo 1834 Spain 94
Olaya, Noemi 1550 Ecuador 8
Olaya, Sandra 1669 Ecuador 7
Olazarri, Marcelo 2208 Uruguay 86
Olbrich, Jakob 1946 Germany 7
Olbrich, Joachim 2150 FM Germany 114
Olbrich, Marina 2330 WIM Germany 305
Olbrich, Peter 1797 Germany 15
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