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Individual Calculations September 2009 |
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| Esserman, Marc R Total change: 14.55 | |   |
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| 2nd New York International | New York, NY | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2424 | 2391 | 3.50 | 7 | 0.29 | 15 | 4.35 | |
|  Erdei, Andras A | | | 2159 | HUN | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Hracek, Zbyneil | g | | 2604 | CZE | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Gerzhoy, Leonid | m | | 2420 | CAN | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Stripunsky, Alexander | g | | 2556 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kaufman, Raymond | m | | 2276 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sorkin, Igor | | | 2345 | ISR | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | | | 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2403 | 2391 | 3.50 | 8 | -0.37 | 15 | -5.55 | |
| | Benjamin, Joel | g | | 2583 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Becerra, Julio J | g | | 2609 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Zhao, Parker B | | | 2301 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Ramirez, Alejandro | g | | 2563 | CRC | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Korley, Kassa | | | 2120 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Thavandiran, Shiyam | f | | 2291 | CAN | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Lee, Michael | f | | 2358 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Hungaski, Robert A | m | | 2401 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | 39th Annual Continental Open | Sturbridge, Massachusetts | USA | 2009-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2402 | 2394 | 4.00 | 6 | 1.05 | 15 | 15.75 | |
| | Corke, Anya S | | wg | 2289 | ENG | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Pismennyy, Avraam | | | 2262 | RUS | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Paschall, William | m | | 2385 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Ibragimov, Ildar | g | | 2583 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Kudrin, Sergey | g | | 2578 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Uesugi, Shinsaku | f | | 2314 | JPN | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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