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Individual Calculations September 2011 |
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| Markzon, Gregory Total change: 20.70 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2249 | 2.00 | 4 | 0.21 | 15 | 3.15 | |
|  Rodriguez, Eric O | f | | 2321 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |  Adamson, Robby | f | | 2328 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Balasubramanian, Adithuya | | | 2175 | IND | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Nikolayev, Igor | f | | 2318 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | 41st Annual Continental Open | Sturbridge, Massachusetts | USA | 2011-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2241 | 1.00 | 3 | -0.48 | 15 | -7.20 | |
| | Sarkar, Justin | m | | 2376 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Moorthy, Srinivas | | | 1947 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Yedidia, Jonathan | m | | 2384 | USA | 0.00 | 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) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2385 | 2241 | 4.50 | 9 | 1.65 | 15 | 24.75 | |
| | Milman, Lev | m | | 2462 | USA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Jiang, Louie | f | | 2348 | CAN | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Kopec, Danny | m | | 2334 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Zlotnikov, Mikhail | m | | 2305 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Kleiman, Jake | m | | 2375 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Dean-Kawamura, Ben | f | | 2397 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Safarli, Eltaj | g | | 2622 | AZE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Santarius, Erik | | | 2311 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Getz, Alec | f | | 2313 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | |
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