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Individual Calculations September 2009 |
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| Wright, William B Total change: -21.60 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 2186 | 2.50 | 6 | -1.19 | 15 | -17.85 | |
|  Shetty, Atulya A | | | 1972 | USA | 0.00 | 1 | -0.77 | 15 | -11.55 | |  Chan, Julian M | | | 2080 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Parry, Matt J | | | 2229 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Ng, Gary K W | | | 2085 | CAN | 0.00 | 1 | -0.64 | 15 | -9.60 | | | De Fotis, Gary C | | | 2128 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Weser, Adam | | | 2098 | 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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2188 | 2.00 | 5 | -0.25 | 15 | -3.75 | |
| | Kleist, Frederick | | | 2122 | CAN | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Patchell, Erik | | | 2169 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Andrews, Todd D | f | | 2337 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Antal, Gergely | m | | 2479 | HUN | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Hughes, Devin L | | | 2052 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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