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Individual Calculations January 2012 |
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| Sarkar, Justin Total change: -23.60 | |   |
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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 |
| 2159 | 2377 | 3.50 | 5 | -0.16 | 10 | -1.60 | |
|  Smith, Michael | | | 1977 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Bowersock, Michael | | | 2018 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Shulman, Yury | g | | 2608 | USA | 0.50 | 1 | 0.29 | 10 | 2.90 | | | Vilenchuk, Michael | | | 2216 | USA | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Song, Edward | | | 1977 * | CAN | 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) | | | | 2011 Marshall November Grand Prix | New York, New York | USA | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2394 | 0.50 | 1 | -0.36 | 10 | -3.60 | |
| | West, James R | | | 2087 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | |
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 |
| 2262 | 2394 | 2.00 | 4 | -0.65 | 10 | -6.50 | |
| | Hua, David | | | 2137 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Most, Eric M | | | 2170 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Kacheishvili, Giorgi | g | | 2590 | GEO | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Katz, Alexander R | | | 2149 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | |
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 |
| 2103 | 2394 | 0.50 | 2 | -1.19 | 10 | -11.90 | |
| | Black Jr, James A | | | 2132 | USA | 0.00 | 1 | -0.82 | 10 | -8.20 | | | Polyakin, Vladimir | | | 2073 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | |
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) | | |
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