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Individual Calculations August 2012 |
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| Perez, Robert Total change: 21.00 | |   |
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| 9th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2314 | 5.50 | 9 | 0.30 | 15 | 4.50 | |
|  Liang, Adream | | | 1914 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Chakkravarthy, Deepan | g | | 2461 | IND | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Chan, James | | | 2021 | CAN | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Panjwani, Raja | m | | 2416 | CAN | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Prieto, Ernesto | | | 2100 | COL | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Nilsson, Martin | | | 2197 | SWE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Kelley, Dereque D | | | 2242 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Sarkar, Justin | m | | 2411 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Battaglini, Gabriel | m | | 2412 | FRA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 40th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2356 | 2334 | 5.00 | 9 | 0.73 | 15 | 10.95 | |
| | Azarov, Sergei | g | | 2658 | BLR | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Kacheishvili, Giorgi | g | | 2605 | GEO | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Chiang, Jonathan | | | 1935 | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Smirin, Ilya | g | | 2647 | ISR | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Coraretti, Benjamin | | | 2091 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Benjamin, Joel | g | | 2559 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | King, Alexander B | | | 2237 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Fikiet, Alex M | | | 2243 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Ortiz, Nadya | | wg | 2230 | COL | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | 2012 US Junior Closed - Group B | St Louis, Missouri | USA | 2012-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2334 | 4.00 | 7 | 0.37 | 15 | 5.55 | |
| | Williams, Justus D | | | 2216 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sturt, Raven M | | | 2248 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Arnold, Marc Tyler | m | | 2529 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Rosen, Eric S | f | | 2328 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Troff, Kayden W | f | | 2271 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Cao, Kevin Y | | | 2184 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Naroditsky, Daniel | m | | 2486 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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) | | |
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