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Individual Calculations July 2012 |
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| Kostovetsky, Danie Total change: 0.90 | |   |
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| 2nd Annual New Yorker Open - U2300 Section | New York, New York | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1877 | 1.00 | 2 | 0.17 | 30 | 5.10 | |
|  Poteat, Lilia | | | 1804 | USA | 1.00 | 1 | 0.40 | 30 | 12.00 | |  Berg, George P | | | 2088 | USA | 0.00 | 1 | -0.23 | 30 | -6.90 | |
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) | | | | 5th New York International - U2200 Section | New York, New York | USA | 2012-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1877 | 1.00 | 3 | -0.14 | 30 | -4.20 | |
| | Burke, John M | | | 1944 | USA | 0.50 | 1 | 0.09 | 30 | 2.70 | | | Robinson, Darrian | | | 1947 | USA | 0.50 | 1 | 0.10 | 30 | 3.00 | | | Matlin, Anna R | | wc | 2000 | USA | 0.00 | 1 | -0.33 | 30 | -9.90 | |
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) | | |
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