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Individual Calculations July 2009 |
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| Heung, Christopher Total change: 35.25 | |   |
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| 16th Space Coast Open | Cocoa Beach, Florida | USA | 2009-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 1985 | 1.50 | 2 | 0.72 | 15 | 10.80 | |
|  Mason, Mike W | | | 2032 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | |  Veksler, Boris | | | 2092 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 1985 | 1.50 | 4 | 0.49 | 15 | 7.35 | |
| | Langer, Michael | f | | 2260 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Swaminathan, Rahul | | | 2037 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Stamnov, Aleksandar | f | | 2226 | MKD | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Francisco, Richard T | | | 2213 | 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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 1985 | 2.00 | 4 | 1.14 | 15 | 17.10 | |
| | Finegold, Benjamin | m | | 2335 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Harmon-Vellotti, Luke | | | 2011 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Holt, Conrad | | | 2289 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Porter, Ryan W | f | | 2284 | USA | 1.00 | 1 | 0.85 | 15 | 12.75 | |
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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