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Individual Calculations March 2010 |
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| Barsky, Sam Total change: -5.55 | |   |
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| 2010 Happy New Year Open | New york, New York | USA | 2010-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2073 | 1.50 | 4 | -0.17 | 15 | -2.55 | |
|  Korley, Kassa | | | 2281 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Frumkin, Edward A | | | 2017 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Guevara, Robert N | | | 2085 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | West, James R | | | 2157 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | Portsmouth Open | Porthsmouth, New Hampshire | USA | 2010-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2411 | 2073 | 0.00 | 1 | -0.12 | 15 | -1.80 | |
| | Vigorito, David | m | | 2411 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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 Marchand Open - 32nd Annual | Rochester, New York | USA | 2010-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2473 | 2073 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
| | Ivanov, Alexander | g | | 2473 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | |
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