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Individual Calculations February 2013 |
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| Kudrin, Sergey Total change: -9.30 | |   |
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| 31st Annual Empire City Open | New York, New York | USA | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2531 | 4.00 | 5 | -0.37 | 10 | -3.70 | |
|  Kumar, Aravind | c | | 2131 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ding, Andrew | | | 2131 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Katz, Alexander Ross | | | 2250 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Castillo, Josue N | | | 2131 * | DOM | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bonin, Jay R | m | | 2322 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | * 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) | | | | 45th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2531 | 4.00 | 6 | -0.56 | 10 | -5.60 | |
| | Zenyuk, Iryna | c | wm | 2250 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Balasubramanian, Adithya | | | 2229 | IND | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Katz, Alexander Ross | | | 2250 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Van Kooten, Luuk | f | | 2365 | NED | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Gorman, Dov | f | | 2227 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Gelashvili, Tamaz | g | | 2566 | GEO | 0.00 | 1 | -0.45 | 10 | -4.50 | |
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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