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Individual Calculations September 2010 |
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| Chen, Howard J Total change: -12.00 | |   |
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| 4th Annual Philadelphia International | King of Prussia, Pennsylvania | USA | 2010-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2303 | 2276 | 4.50 | 9 | 0.32 | 15 | 4.80 | |
|  Smarty, Sylvester | | | 2057 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Mackinnon, Keith | | | 2140 | CAN | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Rosen, Eric S | | | 2182 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Smith, Bryan G | m | | 2468 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Bellaiche, Anthony | m | | 2442 | FRA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Battaglini, Gabriel | m | | 2420 | FRA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Bercys, Salvijus | m | | 2427 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Zierk, Steven C | f | | 2377 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Perez, Robert M | | | 2212 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | 38th Annual World Open - Open Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 2276 | 4.00 | 8 | -0.59 | 15 | -8.85 | |
| | Kudrin, Sergey | g | | 2571 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Shen, Arthur | f | | 2107 | USA | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Ulrich, Tommy | | | 2025 | USA | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Ryba, Nicholas | | | 2109 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Leve, Nitai D | | | 2117 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Mabe, Chris J | | | 2209 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Arnold, Marc Tyler | m | | 2433 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Pertlova, Sona | | wm | 2201 | CZE | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2257 | 2.00 | 4 | -0.53 | 15 | -7.95 | |
| | Mandelkern, Jeremy | | | 2142 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Naroditsky, Daniel | f | | 2403 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Zhang, Eric | | | 1924 | USA | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Faber, Craig Allen | | | 2113 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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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