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Individual Calculations April 2009 |
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| Molner, Mackenzie Total change: -9.90 | |   |
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| 2008 Pan American Intercollegiate Chess Tournament | Fort Worth, Texas | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2382 | 3.00 | 5 | -0.23 | 15 | -3.45 | |
|  Vazirova, Karina | | wm | 2202 | RUS | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Kuljasevic, Davorin | m | | 2520 | CRO | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Ortiz, Nadya | | wm | 2230 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Galofre, Charles | f | | 2284 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Estrada, Nelly | | wc | 2085 | MEX | 1.00 | 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) | | | | 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2394 | 4.00 | 6 | -0.14 | 15 | -2.10 | |
| | Samimi, Sohrab | | | 2139 | USA | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Lima, Louis | | | 2044 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Hilton, Jonathan L | | | 2194 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Melekhina, Alisa | | wm | 2280 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Kis, Lorand B | | | 2181 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Kacheishvili, Giorgi | g | | 2590 | GEO | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2394 | 3.50 | 5 | -0.29 | 15 | -4.35 | |
| | Ryba, Nicholas | | | 2101 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Harris, Ian | | | 2050 | USA | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Bartell, Thomas | f | | 2375 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Parry, Matt J | | | 2225 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Pattard, Thomas | | | 2143 | GER | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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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