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Individual Calculations January 2012 |
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| Kudrin, Sergey Total change: -6.60 | |   |
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| First Annual Fall International Chess Festival | Dearborn, Michigan | USA | 2011-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2535 | 2.50 | 4 | -0.84 | 10 | -8.40 | |
|  Virkud, Apurva | | | 2135 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Vilenchuk, Michael | | | 2216 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | |  Bartholomew, John | m | | 2440 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Pan, Shitianyu | | | 2135 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | * 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) | | | | 20th Annual Kings Island Open | Mason, Ohio | USA | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2540 | 4.00 | 5 | 0.32 | 10 | 3.20 | |
| | Justice, David A | | | 2140 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lein, Anatoly | g | | 2261 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Shahade, Greg | m | | 2459 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Perelshteyn, Eugene | g | | 2516 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Bereolos, Peter | f | | 2320 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | * 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) | | | | 42nd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2540 | 4.50 | 6 | -0.52 | 10 | -5.20 | |
| | Shahade, Michael | f | | 2249 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Yedidia, Jonathan | m | | 2368 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Adu, Oladapo Oluto | m | | 2237 | NGR | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Chandran, Kapil | | | 2140 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Minear, Peter | | | 2221 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Bonin, Jay | m | | 2314 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | * 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) | | | | 2011 Marshall December Grand Prix | New York, New York | USA | 2011-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2540 | 2.00 | 2 | 0.38 | 10 | 3.80 | |
| | Salakhutdinov, Ildar | | | 2263 | RUS | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Bonin, Jay | m | | 2314 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | |
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) | | |
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