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Individual Calculations July 2009 |
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| Barsky, Sam Total change: 21.15 | |   |
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| 31st Annual Marchand Open | Rochester, NY | USA | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2074 | 0.00 | 2 | -0.51 | 15 | -7.65 | |
|  Nikolayev, Igor | f | | 2300 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Parry, Matt J | | | 2225 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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 |
| 2169 | 2066 | 3.00 | 3 | 1.92 | 15 | 28.80 | |
|  Szpisjak, Steven J | | | 2213 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Iwu, Okechukwu N | | | 2198 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Murthy, Pappu | | | 2095 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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