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Individual Calculations September 2009 |
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| Dougherty, Michael Total change: -34.65 | |   |
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| 2009 Chesapeake Open | Baltimore, Maryland | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2384 | 2203 | 0.00 | 2 | -0.55 | 15 | -8.25 | |
|  Smith, Bryan G | m | | 2474 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Adu, Oladapo Oluto | m | | 2294 | NGR | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 3rd Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2203 | 3.00 | 8 | -1.32 | 15 | -19.80 | |
| | Lenderman, Alex | m | | 2434 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Mulyar, Michael A | m | | 2390 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Odeh, Kenneth | | | 1999 | NGR | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Saperstein, Craig | | | 1870 | USA | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Heung, Christopher | | | 1985 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Mikhalevski, Victor | g | | 2553 | ISR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tuhrim, Richard J | | | 2022 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Mac Kinnon, Keith | | | 2145 | CAN | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2309 | 2203 | 2.50 | 8 | -0.44 | 15 | -6.60 | |
| | Ivanov, Alexander | g | | 2516 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Panjwani, Raja | f | | 2364 | CAN | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Liu, Elliott J | f | | 2353 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Enkhbat, Tegshsuren | m | | 2377 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Bhat, Vinay S | g | | 2475 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Campiz, Leonardo | | | 2082 | PUR | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Tayar, Jonathan | f | | 2334 | CAN | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Freix, Andrew J | | | 1972 | 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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