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Name ELO Title Federation Games
O'Brien, Kieran 1773 Ireland 11
O'Brien, Richard 2080 Ireland 1
O'Cinneide, Mel 2245 Ireland 9
O'Connell, Gerard 2122 Ireland 24
O'Connell, Kevin J 2328 FM Ireland 9
O'Connor, Jonathan 2216 Ireland 8
O'Connor, Joseph 2065 United Kingdom 7
O'Donnell, Robert 1986 United States 6
O'Donnell, Tom 2332 IM Canada 18
O'Donovan, Richard 2093 Ireland 13
O'Driscoll, Kieran 2081 Ireland 46
O'Grady, Gary 1932 Ireland 7
O'Leary, Matt 2053 Ireland 9
O'Reilly, Edward 2240 Ireland 8
O'Rourke, Ray 1944 Ireland 9
O'Shaughnessy, Conor 2209 Ireland 8
O'Shea, Kevin 2035 Ireland 10
Oancea, Nicolae 2089 Romania 11
Oates, David 2166 Wales 21
Oatlhotse, Providence 2253 IM Botswana 90
Obad, Andrija 2271 Bosnia And Herzegovina 11
Obad, Damir 1976 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 1746 Austria 15
Oberbarnscheidt, Ludger 2264 Germany 52
Oberberger, Guenther 1810 Austria 14
Oberbichler, Robert 1911 Austria 8
Oberdorfer, Christof 1764 Austria 9
Obere, Roman Franz 1988 Germany 7
Oberfrank, Istvan 2091 Hungary 37
Oberhofer, Andre 2273 Germany 73
Oberhofer, Cedric 2260 Germany 16
Oberhofer, Max 2187 Germany 108
Oberhofer, Peter 1847 Germany 7
Oberholzer, Francois 2061 FM South Africa 1
Oberholzer, Rex 1982 Namibia 38
Oberlin, Cecile 1656 France 1
Obermair, Walter 1873 Austria 22
Oberman, Hotimir 1957 Croatia 12
Obermayr, Hermann 2149 Austria 153
Obermeier, Edi 2075 Germany 31
Oberndoerfer, Frank 1969 Germany 60
Oberngruber, Thomas 2109 Austria 11
Obernoeder, Thomas 1748 Germany 15
Oberoi, Shelev 1898 United States 9
Oberpriller, Josef 1987 Germany 27
Oberrauch, Martin 2185 Italy 26
Obers, Frits 2147 Netherlands 138
Obersnel, Jan 1721 Slovenia 9
Oberst, Janosch 1856 Germany 7
Oberst, Thomas 2292 FM Germany 154
Oberste, Norbert 1751 Germany 83
Oberweis, Paul 2022 Luxembourg 32
Obgolts, Erik 2334 FM Russian Federation 10
Obiamiwe, Paul 1903 Nigeria 74
Obiedzinski, Pawel 1812 Poland 9
Obiedzinski, Piotr 1843 Poland 5
Obierak, Wladyslaw 2089 Poland 40
Obili, Abhishek 2067 United States 5
Objois, Pierre Henri 1720 France 4
Oblak, Marko 1636 Italy 9
Oblamski, Vladimir 2088 Belarus 23
Oblin, Pierre 1805 France 1
Oblitas, Carlomagno 2413 IM Peru 333
Obodchuk, Andrei 2303 IM Russian Federation 390
Oboladze, Luka 2318 Georgia 45
Obolenskikh, Dmitry 2533 IM Russian Federation 82
Obolentseva, Alexandra 2353 WGM Russian Federation 53
Obolonin, Filipp 1873 Estonia 2
Obon Temprano, Sergi 2293 FM Spain 54
Obon Zuniga, Francisco 1816 Spain 19
Obona, Jan 2214 Slovakia 72
Oborina, Elena 2030 Russian Federation 11
Oborny, Lubor 1909 Czech Republic 3
Oboron, Georges 2005 Poland 13
Obradovic, Alexandar 2225 Serbia 1
Obradovic, Blazimir 2139 FM Serbia 4
Obradovic, Dragan 1998 Serbia 36
Obradovic, Milan 1523 Switzerland 5
Obradovic, Momcilo 1898 Serbia 3
Obradovic, Vasilije 2100 Serbia 12
Obralic, Esad 2331 FM Bosnia And Herzegovina 13
Obran, Harald 2049 Austria 80
Obregon, Andres Carlos 2514 GM Argentina 238
Obregon Garcia, Roxangel 2094 WFM Cuba 9
Obregon Rivero, Juan 2391 FM Cuba 126
Obreht, Slobodan 1966 Germany 23
Obreja, Mihai 1816 Romania 13
Obrezchikov, Mikhail 1895 Russian Federation 10
Obrien, Matthew J 2104 United States 4
Obringer, Jean Marc 2074 France 24
Obrochta, Bogdan 2073 Poland 19
Obrovac, Zvonko 2153 Canada 7
Obrsal, Josef 1504 Czech Republic 41
Obrusnik, Dawid 1748 Poland 9
Obrusnik, Michal 2277 FM Poland 48
Obrusnik, Pawel 1599 Poland 8
Obsivac, Josef 2271 FM Czech Republic 422
Obst, James 2097 Australia 92
Obst, Martin 2021 Germany 28
Obuca, Bajro 2047 CM Bosnia And Herzegovina 24
Obukhov, Alexander 2344 GM Russian Federation 533
Obukhov, Sergeij 2078 Ukraine 11
Oburka, Vladislav 1776 Czech Republic 8
Ocabo Vera, Pedro Aristides 1792 Spain 9
Ocakacan, Deniz 1679 Turkey 9
Ocampo, Fermin 1953 Argentina 1
Ocampo, Gisel 1475 Argentina 5
Ocampo, Raul 2315 Argentina 63
Ocampo Vargas, Raul 2072 IM Mexico 124
Ocampos, Ian 2054 Argentina 21
Ocampos, Martin 1703 Paraguay 2
Ocana Lameiro, Oliver 1995 Spain 2
Ocana Roca, Juan Jesus 2145 Spain 33
Ocantos, Manuel 2206 Luxembourg 86
Ocariz Gallego, Jesus 1953 Spain 25
Occari, Maurizio 2047 Italy 22
Occhipinti, Giuseppe 1942 Italy 1
Occhipinti, Massimo 1925 Italy 22
Ocejo, Leyla 2061 Cuba 8
Ocelik, Vaclav 1826 Netherlands 9
Ocepek, Martin 2120 Slovenia 16
Ochelli, Francisco 1753 Paraguay 24
Ochirbat, Lkhagvajamts 1892 CM Mongolia 8
Ochirova, Irina 1487 Russian Federation 10
Ochkoos, Jura 2203 FM Canada 235
Ochkov, Radoslav 1897 Bulgaria 32
Ochman, Tomas 1853 Czech Republic 21
Ochmann, Denis 1485 Germany 7
Ochmann, Reimund 1948 Germany 49
Ochneva, Inga 2114 WFM Russian Federation 8
Ochoa, Carl Victor 2276 Philippines 35
Ochoa, Ismael 1861 Honduras 5
Ochoa, Jason 1804 United States 5
Ochoa, Matias 1961 Argentina 25
Ochoa de la Rosa, Manuel Dario 2417 FM Cuba 34
Ochodek, Mariusz 1985 Poland 9
Ochonski, Piotr 2160 Poland 36
Ochrana, Ladislav 1944 Slovakia 46
Ochs, Holger 2225 Germany 63
Ochsner, Bjorn Moller 2457 IM Denmark 195
Ochsner, Thomas 2281 Denmark 337
Ochtman, Henk 2111 Netherlands 27
Ociepka, Dominika 1409 Poland 1
Ockay, Tomas 2118 Czech Republic 48
Ockenfels, Karsten 1694 Germany 7
Ocnarescu, Victor 2164 Romania 81
Ocokoljic, Zoran 2070 Serbia 19
Ocon Galilea, Francisco Jose 1949 Spain 23
Oconnor, Derek 2248 United States 4
Ocwieja, Piotr 1703 Poland 4
Ocytko, Andrzej 2100 Poland 95
Ocytko, Anna 1967 Poland 19
Ocytko, Michal 1124 Poland 9
Odachowski, Arthur 2205 Canada 64
Odadzic, Zoran 1784 Serbia 4
Odde, Eilif 1971 Norway 40
Odden, Jan Ove 1521 Norway 27
Oddone, Cristhian 2268 Uruguay 28
Odeev, Handszar 2394 GM Turkmenistan 475
Odeeva, Larisa 2198 WFM Turkmenistan 14
Odegaard, Per Chr 1754 Norway 2
Odegov, Artem 2193 Russian Federation 18
Odeh, Kenneth 1932 FM Nigeria 50
Odehnal, Jaroslav 1942 Czech Republic 13
Odehnal, Miroslav 2226 Czech Republic 22
Oden, Edgar 2008 Germany 22
Odendaal, Frederick 1992 South Africa 35
Odendahl, Reiner 2375 FM Germany 324
Odendahl, Steven M 2420 IM United States 95
Odermatt, Klaus 1835 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 Russian Federation 82
Odisharia, Teona 2178 Georgia 78
Odler, Daniel 2047 Slovakia 84
Odnorozhenko, Evgenyi 2275 IM Ukraine 101
Odnorozhenko, Kateryna 2110 WIM Ukraine 148
Odor, Istvan 2149 Hungary 1
Odunaiya, Victor 1833 United Kingdom 4
Odzak, Senad 1834 Bosnia And Herzegovina 2
Oe, Oluf 1913 Denmark 24
Oechler, Hans Erich 2121 Germany 24
Oechslein, Rainer 2216 Germany 228
Oehler, Markus 2063 Germany 35
Oehlerich, Per 1938 Denmark 22
Oehlmann, Dieter 2041 Germany 48
Oehmichen, Jan 1863 Denmark 24
Oehne, Ingo 1804 Germany 7
Oehne, Timo 2085 Germany 11
Oehrlein, Alexander 2144 Germany 29
Name ELO Title Federation Games
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 1941 Switzerland 5
Oest, Thorsten 2111 Germany 36
Oesterle, Peter 2385 Germany 79
Oesterreicher, Moritz 1803 Austria 6
Oettel, Andreas 2244 Germany 32
Oettel, Lothar 1945 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 2096 Israel 43
Offermann, Fernando 2146 Germany 39
Officer, Amy 1825 WFM Scotland 71
Offinger, Robert 2181 Germany 96
Offringa, Joost 2297 Netherlands 50
Offringa, Tjaart Jan 2070 Netherlands 57
Ofir, Eran 2112 Israel 2
Ofitserian, Boris 2395 FM Russian Federation 95
Ofner, Maximilian 2154 Austria 13
Ofstad, Per 2064 Norway 369
Ofstad, Sigurd 2012 Norway 2
Ogaard, Leif 2382 GM Norway 588
Ogada Osir, Ibrahim 2123 Australia 18
Ogando Gonzalez, Francisco J 1951 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 2423 IM Russian Federation 260
Oganian, Roman 2215 Russian Federation 12
Oganisjn, Roman 2275 Russian Federation 107
Oganyan, Arsen 2224 Russian Federation 22
Ogbiyoyo, Perpetual Eloho 1832 Nigeria 7
Ogden, Marcus W 1735 Australia 3
Ogdon, Ricardo 1612 Paraguay 25
Oger, Claude 1939 France 85
Oger, Daniel 1854 Belgium 21
Oger, Philippe 1821 France 1
Oges, Helene 1699 France 28
Oggier, Cesar 2225 Argentina 13
Ogiewka, Rafal 2065 Poland 11
Oginski, Ulrich 1798 Germany 9
Oglaza, Oskar 2320 FM Poland 65
Ogleznev, Alexandr 2333 FM Moldova 124
Oglobilia, Alexander 2242 Ukraine 65
Ogloblin, Nikolay 2346 IM Russian Federation 151
Ogloblina, Lidiya 2146 Russian Federation 9
Ognean, Mihnea-Ionut 2272 FM Romania 40
Ognerubova, Anastasia 2052 WFM Russian Federation 17
Ognibene, Piero 1770 Italy 2
Ognjacevic, Alen 1969 Croatia 18
Ognjan, Renato 2079 Croatia 7
Ogonowska, Katarzyna 1853 Poland 77
Ogorodov, Petr 1805 Russian Federation 15
Ograbek, Grzegorz 2137 Poland 19
Ogradi, Gregor 1958 Slovenia 16
Ogunshola, Ben 2172 Nigeria 30
Ogunwobi, Tolulope 2166 Nigeria 6
Oguz, Huseyin 1754 Turkey 6
Oguzov, Shamil 2196 Russian Federation 9
Oharek, Vlastimil 1764 Czech Republic 2
Ohat, Imre 1949 Hungary 1
Ohayv, Nikolaj 1905 Denmark 8
Ohl, Christophe 2107 France 15
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 1862 Germany 13
Ohnmacht, Simon 1919 Germany 52
Ohresser, Olivier 1872 France 4
Ohrn, Stellan 1981 Sweden 9
Ohst, Holger 1965 Germany 36
Ohunov, Bobur 2151 Uzbekistan 9
Oillic, Goulven 1736 France 1
Oitzl, Danijel 1816 Austria 12
Ojagverdiyev, Zaur 2043 Azerbaijan 15
Ojala, Hannu 1782 Finland 19
Ojanen, Jyrki 2059 Finland 40
Ojanen, Pekka 2225 Finland 32
Ojaos Penalver, Abel 1959 Spain 18
Ojas Kulkarni 2282 India 53
Ojeda, Hector 2117 Chile 12
Ojeda, Hernan 2173 Argentina 92
Ojeda, Javier 2197 Paraguay 22
Ojeda, Jesus David 2139 Colombia 9
Ojeda Ruiz, Jose Luis 1601 Spain 37
Ojer Lora, Iker 2074 Spain 30
Ojo, Damilola 2041 Nigeria 0
Ojrzynski, Blazej 2120 Poland 12
Ojstosek, Mirko 1711 Germany 31
Oka, Hikaru 2086 Japan 18
Okamura, Milton Kasuo 1998 Brazil 81
Okanli, Muratcan 1635 Turkey 1
Okanovic, Jasmina 1647 Croatia 21
Okara, Andrey 2340 IM Russian Federation 123
Okas, Walter 2231 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 2364 GM France 1127
Okhrimenko, Sergei 2209 Ukraine 9
Okicic, Nermin 2195 Bosnia And Herzegovina 14
Okike, David 2162 Nigeria 82
Okilj, Nevenko 2138 Serbia 7
Okilj, Tigran 2098 Serbia 2
Okkes, Menno 2321 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 1837 Slovenia 18
Okos, Alexander 2040 Slovakia 77
Okosieme, Iozeph 2020 United Kingdom 36
Okoth, Joachim 2171 Uganda 56
Okpu, Robert 1745 Sweden 7
Okrajek, Alexander 2202 Germany 137
Okrosa, Marijan 2036 Croatia 58
Okrouhlik, Zdenek 1819 Czech Republic 9
Okruashvili, Georgy 2118 Russian Federation 10
Okrucinski, Tadeusz 2164 FM Poland 40
Okrugic, Tomislav 1895 Croatia 14
Okrugin, Alexander 2018 Russian Federation 8
Okrugin, Sergey 2326 IM Russian Federation 193
Oksa, Jaakko 2046 Finland 17
Oksanen, Timo 1943 Finland 66
Oksnevad, Arild 1804 Norway 3
Oksuz, Akin 2183 Turkey 8
Okulov, Andrey 2251 Russian Federation 9
Okuma, Yutaka 1499 Brazil 3
Okumus, Gorkem Deniz 1875 Turkey 21
Okun, Evgeny 2153 Russian Federation 77
Okun, Leonid 2266 FM Russian Federation 52
Okunev, Lev 2214 Russian Federation 38
Okunev, Taras 2107 Russian Federation 21
Okuniewski, Boguslaw 2217 Poland 33
Okur, Kadir 1844 Turkey 1
Okus, Melih 2072 Turkey 14
Okuyaz, Duru 2041 WFM Turkey 35
Olabe Odriozola, Eduardo 1912 Spain 19
Olaciregui, Eduardo 1999 Argentina 19
Olafsson, Arni 1301 Iceland 5
Olafsson, David 2267 FM Iceland 126
Olafsson, Fridrik 2355 GM Iceland 1042
Olafsson, Helgi 2511 GM Iceland 1343
Olafsson, Smari 1932 Iceland 2
Olah, Janos 1951 Hungary 27
Olah, Jozsef 1874 Hungary 15
Olah, Peter 2201 Hungary 7
Olah, Sandor 1989 Hungary 165
Olah, Zsigmond 2087 Hungary 59
Olaizola Ortega, Luis 2130 Spain 165
Olander, Aleksi 2062 Finland 15
Olape, Bunmi 2256 IM Nigeria 94
Olar, Adrian 1809 Romania 5
Olarasu, Gabriela 2256 WGM Romania 689
Olarasu, Ioana 1769 Romania 12
Olarasu, Iuliana 2058 Romania 5
Olariu, Luca-Stefan 2017 Romania 8
Olaru, Daniel 2081 France 4
Olatunji, Oluwatobiloba 1918 WFM Nigeria 11
Olausson, Claes Goran 2274 Sweden 87
Olave Parra, Hugo 1783 Chile 17
Olay, Edgar Reggie 2283 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 1951 Germany 15
Olbrig, Michael 1853 Germany 18
Olbrisch, Manfred 2098 Germany 61
Olcayoz, Alper 2244 FM Turkey 227
Olcum, Ahmet 2326 FM Turkey 25
Old, Stefan 1526 Germany 5
Oldach, Ehrenfried 2021 Germany 163
Olde, Grete 1938 WCM Estonia 5
Olde, Hendrik 2325 FM Estonia 69
Olde, Henning 1788 Germany 9
Olde, Margareth 2117 WFM Estonia 22
Oldenhuis, Lance 2002 Netherlands 48
Oldernes, Lars Arne 1684 Norway 44
Oldigs, Adolf 1653 Germany 21
Olea Perez, Mario 2263 FM Spain 289
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