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Individual Calculations November 2010 |
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| Ostrovskiy, Aleksandr Total change: 66.30 | |   |
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| 42nd Annual Atlantic Open | Washington DC | USA | 2010-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2257 | 3.00 | 4 | 0.37 | 15 | 5.55 | |
|  Smarty, Sylvester | | | 2080 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | |  Krause, Benjamin W | | | 2241 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Most, Eric M | | | 2132 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Tuhrim, Richard J | | | 2101 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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) | | | | 132nd Annual NY State Championship | Albany, New York | USA | 2010-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 2243 | 3.50 | 5 | 1.21 | 15 | 18.15 | |
| | Henner, Peter | | | 1843 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Benjamin, Joel | g | | 2561 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Leve, Nitai D | | | 2153 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Paragua, Mark C | g | | 2496 | PHI | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Getz, Alec | f | | 2291 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | * 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) | | | | Continental Class Championships | Arlington, Virginia | USA | 2010-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2371 | 2243 | 6.00 | 9 | 2.84 | 15 | 42.60 | |
| | Strenzwilk, Denis | | | 2020 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Mandizha, Farai | f | | 2420 | ZIM | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Paragua, Mark C | g | | 2496 | PHI | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Kaidanov, Gregory | g | | 2575 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Wang, Kevin | | | 2152 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Shabalov, Alexander | g | | 2589 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Savage, Allan G | f | | 2145 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Enkhbat, Tegshsuren | m | | 2384 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Lenderman, Aleksandr | g | | 2559 | USA | 1.00 | 1 | 0.87 | 15 | 13.05 | |
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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