highest rating |
player name |
Years |
# of Games |
| 2371 |
 | O'DONNELL, Tom |
1980-2007 |
49 |
| 2230 |
| O'DONOVAN, Richard |
1985-2005 |
20 |
| |
 | O'HANLON, John |
1896-1950 |
32 |
| |
| O'KELLY, Rory |
1970-1975 |
21 |
| |
| O'RIORDAN, Kenneth |
1965-1971 |
17 |
| 1960 |
| O'TOOLE, George |
2004-2008 |
22 |
| 2461 |
 | OBLITAS, Carlomagno |
2001 |
19 |
| 2438 |
| OBODCHUK, Andrei |
1993-2007 |
82 |
| 2361 |
| OBSIVAC, J |
1992-2001 |
20 |
| 2528 |
| OBUKHOV, Alexander |
1990-2008 |
83 |
| 2319 |
 | OCHKOOS, Jura |
1992-2006 |
46 |
| 2502 |
 | ODEEV, Handszar |
1987-2006 |
16 |
| 2488 |
 | ODEEV, Handzsar |
1988-2006 |
60 |
| |
 | ODENDAHL, Steven M |
1977-1992 |
40 |
| 2419 |
| ODENDAHL, Reiner |
1987-2005 |
24 |
| 2429 |
| ODESSKIJ, Ilia |
1994-2001 |
19 |
| 2242 |
| OEI, Hway Ik |
1990-2005 |
21 |
| 2225 |
  | OFSTAD, Per |
1958-2007 |
77 |
| 2425 |
  | OGAARD, Leif |
1969-2007 |
93 |
| 2278 |
  | OHME, Melanie |
2007-2008 |
37 |
| |
  | OIM, Tonu |
1961-2003 |
62 |
| 2300 |
 | OJANEN, Kaarle-Sakari |
1937-1982 |
85 |
| 2486 |
| OKHOTNIK, Vladimir |
1978-2007 |
74 |
| 2570 |
  | OLAFSSON, Fridrik |
1947-2008 |
525 |
| 2595 |
  | OLAFSSON, Helgi |
1976-2008 |
389 |
| 2304 |
| OLAPE, Bunmi |
2002-2006 |
25 |
| 2373 |
| OLARASU, G |
1994-2006 |
84 |
| 2339 |
| OLCAYOZ, Alper |
1998-2004 |
41 |
| 2591 |
 | OLEKSIENKO, Mikhailo |
2004-2008 |
54 |
| 2386 |
 | OLENIN, N |
2000-2001 |
20 |
| 2332 |
| OLESEN, Martin |
1989-2001 |
41 |
| |
| OLEXA, Vilem |
1935-1963 |
24 |
| |
| OLIVEIRA, Paulo |
1958 |
16 |
| 2029 |
| OLIVERA, Alfredo |
1938-2001 |
35 |
| 2403 |
| OLIVIER, Jean Christophe |
1989-2007 |
34 |
| 2645 |
  | OLL, Lembit |
1981-1999 |
382 |
| |
  | OLLAND, Adolf Georg |
1901-1933 |
125 |
| |
| OLOFSON, Dan |
1999-2004 |
51 |
| 2340 |
 | OLSAR, Jaroslav |
1994-2007 |
24 |
| 2003 |
| OLSEN, Miriam F |
2000-2004 |
18 |
| 2373 |
| OLSEN, Heini |
1974-2007 |
20 |
| 2255 |
| OLSSON, Ake |
1962-1972 |
36 |
| 2419 |
| OLSSON, Anders |
2000-2005 |
52 |
| |
| OLSSON, Anton |
1920 |
15 |
| 2378 |
| OLSSON, Linus |
2001-2007 |
45 |
| 2456 |
 | OLSZEWSKI, Michal |
2001-2006 |
43 |
| 2364 |
| OMAR, Ak Hirawan Pg Mohd |
2001-2007 |
40 |
| 2274 |
| OMEARAT, Adel |
2001-2006 |
22 |
| 2251 |
| ONEY, Feridun |
1973-2003 |
18 |
| 2371 |
 | ONG, Kezli |
2005 |
11 |
| 2674 |
  | ONISCHUK, Alexander |
1991-2008 |
527 |
| 2506 |
 | ONISCHUK, Vladimir |
2001-2007 |
40 |
| 2315 |
| ONKOUD, Abdelaziz |
2000-2006 |
20 |
| 2369 |
| ONODA, Hirokaz |
1998-2001 |
25 |
| 2354 |
| ONOPRIENKO, Vladimir |
1993-2007 |
29 |
| 2358 |
 | ONYEKWERE, Chikwere |
2002-2007 |
15 |
| 2508 |
 | OO, Zaw |
1998-2001 |
11 |
|
| |
highest rating |
player name |
Years |
# of Games |
| 2280 |
| OORTWIJN, Ron A |
1995-1999 |
17 |
| 2205 |
 | OOSTEROM, Erik |
1993-2007 |
12 |
| 2345 |
| OPL, Klaus |
1985-2002 |
29 |
| |
  | OPOCENSKY, Karel |
1913-1972 |
254 |
| |
 | OPSAHL, Haakon |
1936-1950 |
11 |
| 2340 |
| ORAK, Ljubomir |
1976-2007 |
29 |
| 2555 |
 | ORAL, Tomas |
1989-2007 |
895 |
| 2520 |
| ORATOVSKY, M |
1993-2004 |
45 |
| |
| ORBAAN, Constant |
1950-1967 |
36 |
| |
| ORBACH, Wilhelm |
1924-1940 |
20 |
| 2332 |
| OREL, Oskar |
1993-2005 |
48 |
| 2249 |
| OREV, Petar |
1958-2006 |
24 |
| 2340 |
| ORGANDZIEV, Oliver |
1991-2004 |
26 |
| 2497 |
| ORLOV, Andrey |
1995-2007 |
32 |
| 2512 |
 | ORLOV, Georgy |
1968-2006 |
189 |
| 2378 |
 | ORLOV, Pavle |
1980-2005 |
29 |
| 2465 |
| ORLOV, Vassily |
1991-2005 |
18 |
| 2480 |
  | ORNSTEIN, Axel Otto |
1972-2003 |
135 |
| 2315 |
  | ORR, Mark |
1976-2005 |
52 |
| 2431 |
 | ORSAG, Milan |
1990-2005 |
37 |
| 2401 |
| ORSO, Miklos |
1977-2001 |
44 |
| 2487 |
| ORTEGA, Lexy |
1966-2005 |
59 |
| |
  | ORTEGA, Rogelio |
1952-1968 |
79 |
| 2409 |
| ORTIZ, Eduardo |
1999-2005 |
16 |
| |
| OSBUN, Eric D |
1964-1999 |
16 |
| |
| OSKAM, Gerard |
1900-1951 |
40 |
| 2180 |
| OSMAN, Mihai |
1993-2006 |
24 |
| 2395 |
| OSMANOVIC, Kemal |
1978-1983 |
24 |
| 2384 |
 | OSNOS, Viacheslav |
1956-2003 |
482 |
| 2297 |
| OSSIPOV, Victor |
2000-2005 |
25 |
| 2416 |
| OST-HANSEN, Jacob |
1972-1983 |
18 |
| 2497 |
  | OSTENSTAD, Berge |
1983-2006 |
105 |
| |
| OSTERMAN, Rudolf |
1973-1999 |
25 |
| 2460 |
 | OSTERMEYER, Peter |
1974-1991 |
63 |
| 2289 |
| OSTL, Andreas |
1985-2000 |
16 |
| 2451 |
 | OSTOJIC, Nikola |
1989-2005 |
51 |
| 2495 |
  | OSTOJIC, Predrag |
1963-1996 |
155 |
| 2335 |
| OSTOS, Julio |
1978-2006 |
24 |
| 2381 |
| OSTROWSKI, Leszek |
1986-2001 |
31 |
| 2195 |
| OSWALD, Graeme |
2001-2007 |
22 |
| 2473 |
| OTERO, Diasmany |
1996-2005 |
29 |
| 2352 |
| OTHMAN, A |
2004-2008 |
19 |
| 2076 |
| OTTEN, Colleen |
2000-2007 |
23 |
| 2195 |
 | OVALLE, Ramon |
2004-2006 |
15 |
| 2560 |
| OVETCHKIN, Roman |
1995-2008 |
155 |
| 2322 |
| OVEZOV, Artek |
1993-2002 |
16 |
| 2200 |
| OVEZOVA, Maisa |
1991-2006 |
25 |
| 2437 |
 | OVOD, Evgenija |
1997-2008 |
130 |
| 2581 |
| OVSEJEVITSCH, Sergei |
1992-2007 |
84 |
| 2389 |
| OWCZARZAK, Jerzy |
2000-2007 |
44 |
| |
  | OWEN, John |
1856-1898 |
85 |
| 2305 |
| OZANIC, Marijan |
1970-2001 |
16 |
| 2067 |
| OZANNE, Mark |
1989-2006 |
18 |
| 2406 |
| OZOLIN, Maxim |
1999-2005 |
17 |
| |
  | OZOLS, Karlis Alexander |
1937-1985 |
49 |
| 2193 |
 | OZSVATH, Andras |
1953-1992 |
22 |
| 2179 |
 | OZTURK, Kubra |
2001-2008 |
86 |
|
|