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Individual Calculations January 2011 |
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| Paragua, Mark C Total change: 11.70 | |   |
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| 2010 Marshall Chess Club Championship | New York, New York | USA | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2325 | 2496 | 7.50 | 9 | 1.18 | 10 | 11.80 | |
|  Hulse, Brian | f | | 2202 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Treger, Yefim | | | 2194 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Ostrovskiy, Aleksandr | c | | 2243 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Kudrin, Sergey | g | | 2546 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Lenderman, Aleksander | g | | 2559 | USA | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Esserman, Marc R | m | | 2400 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Sarkar, Justin | m | | 2389 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Salakhutdinov, Ildar | | | 2279 | RUS | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Pressman, Leif A | | | 2116 | USA | 0.50 | 1 | -0.41 | 10 | -4.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 19th Annual Kings Island Open | Mason, Ohio | USA | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2509 | 2.00 | 3 | -0.18 | 10 | -1.80 | |
| | Magness, Trevor S | | | 2124 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Boor, Carl B | f | | 2265 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Ivanov, Alexander | g | | 2534 | USA | 0.00 | 1 | -0.47 | 10 | -4.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2010 Marshall November Grand Prix | New York, New York | USA | 2010-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2509 | 2.00 | 2 | 0.16 | 10 | 1.60 | |
| | Robinson, Darrian | | | 2109 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Barsky, Sam Alex | | | 2109 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 46th Annual American Open | Los Angeles, California | USA | 2010-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2347 | 2509 | 5.50 | 8 | -0.11 | 10 | -1.10 | |
| | Hermansen, Ron | | | 2217 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Bruno, Ronald A | | | 2204 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Amanov, Zhanibek | m | | 2394 | KAZ | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Adamson, Robby | f | | 2334 | USA | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Bryant, John Daniel | f | | 2414 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Gupta, Ankit | | | 2235 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Zierk, Steven C | m | | 2403 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Ramirez, Alejandro | g | | 2577 | CRC | 0.50 | 1 | 0.09 | 10 | 0.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Atlantic City International | Atlantic City, New Jersey | USA | 2010-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2542 | 2509 | 1.50 | 3 | 0.12 | 10 | 1.20 | |
| | Mandizha, Farai | f | | 2406 | ZIM | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Kamsky, Gata | g | | 2726 | USA | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Krush, Irina | m | wg | 2495 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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