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Individual Calculations March 2011 |
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| Sarkar, Justin Total change: -29.20 | |   |
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| 29th Annual Empire City Open | New York, New York | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2413 | 4.00 | 5 | 0.38 | 10 | 3.80 | |
|  Wang, Eigen | | | 2136 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | |  Fikiet, Alex M | | | 2217 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Rohde, Michael A | g | | 2459 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Kats, Alena | | | 2068 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Thaler, Michael | | | 2257 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | |
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) | | | | 43rd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2418 | 2.00 | 5 | -2.32 | 10 | -23.20 | |
| | Chiang, Michael | | | 2018 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bodek, Michael H | | | 2163 | USA | 0.00 | 1 | -0.81 | 10 | -8.10 | | | Smarty, Sylvester | | | 2119 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Williams, Justus D | | | 2154 | USA | 0.00 | 1 | -0.82 | 10 | -8.20 | | | Tom, George | | | 2018 * | 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) | | | | Tradewise Chess Festival - Masters | Gibraltar | ENG | 2011-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2392 | 2418 | 4.50 | 10 | -0.73 | 10 | -7.30 | |
| | Harikrishna, P | g | | 2667 | IND | 0.50 | 1 | 0.31 | 10 | 3.10 | | | Iordachescu, Viorel | g | | 2634 | MDA | 1.00 | 1 | 0.78 | 10 | 7.80 | | | Ikonnikov, Vyacheslav | g | | 2580 | RUS | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Berg, Emanuel | g | | 2627 | SWE | 0.50 | 1 | 0.27 | 10 | 2.70 | | | Onischuk, Alexander | g | | 2689 | USA | 0.00 | 1 | -0.17 | 10 | -1.70 | | | Valgmae, Toomas | | | 2190 | EST | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Hamer, Martyn | | | 2041 | ENG | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Urbina Perez, Juan Antonio | c | | 2189 | ESP | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Vogel, Jaap | f | | 2207 | NED | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Suez-Panama, Gilles | | | 2096 | FRA | 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) | | | | 2011 New York February Open | New York, New York | USA | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2355 | 2418 | 1.50 | 3 | -0.25 | 10 | -2.50 | |
| | Naranja, Renato C | m | | 2251 | PHI | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Ostrovskiy, Aleksandr | f | | 2294 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Paragua, Mark C | g | | 2521 | PHI | 0.50 | 1 | 0.14 | 10 | 1.40 | |
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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