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Individual Calculations September 2009 |
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| Boor, Carl B Total change: -6.00 | |   |
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| 3rd Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2291 | 2.50 | 6 | -1.06 | 15 | -15.90 | |
|  Mikhalevski, Victor | g | | 2625 | ISR | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Heung, Christopher | | | 1985 | USA | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Me, Kevin | | | 2116 | CAN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Qin, Ziyi | | | 2145 | CAN | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Szalay, Karoly | | | 2050 | CAN | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Garcia, Gildardo J | g | | 2401 | COL | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2204 | 2291 | 6.50 | 9 | 0.95 | 15 | 14.25 | |
| | Sorkin, Igor | | | 2345 | ISR | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Hortillosa, Andres | | | 2143 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Mackinnon, Keith | | | 2145 | CAN | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kudryavtsev, Vadim | | | 2165 | RUS | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Yanayt, Eugene | f | | 2207 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Nikolayev, Igor A | f | | 2300 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Barnett, Alexander | | | 2239 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Vazquez, Raul | | | 2107 | PUR | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Kis, Lorand | | | 2189 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2350 | 0.50 | 1 | -0.29 | 15 | -4.35 | |
| | Dejmek, Mark W | | | 2118 | USA | 0.50 | 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) | | |
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