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Individual Calculations September 2009 |
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| Arnold, Marc T Total change: 9.50 | |   |
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| 2nd New York International | New York, NY | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2490 | 2408 | 3.50 | 7 | 0.78 | 10 | 7.80 | |
|  Lenderman, Alex | m | | 2434 | USA | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Shankland, Samuel | m | | 2446 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | |  Kraai, Jesse | g | | 2488 | USA | 1.00 | 1 | 0.61 | 10 | 6.10 | | | Barbosa, Oliver A | m | | 2426 | PHI | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Stopa, Jacek | m | | 2471 | POL | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Stripunsky, Alexander | g | | 2556 | USA | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | |
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 |
| 2371 | 2408 | 5.00 | 9 | 0.17 | 10 | 1.70 | |
| | Tuhrim, Richard J | | | 2058 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Korley, Kassa | | | 2120 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | De Firmian, Nick E | g | | 2552 | USA | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Benjamin, Joel | g | | 2583 | USA | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Bonin, Jay | m | | 2369 | USA | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Becerra, Julio J | g | | 2609 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Homa, Seth | | | 2266 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Zhao, Parker B | | | 2301 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Hess, Robert L | m | | 2485 | USA | 0.50 | 1 | 0.11 | 10 | 1.10 | |
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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