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Individual Calculations July 2013 |
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| Robson, Ray Total change: 8.30 | |   |
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| 22nd Annual Chicago Open - Master Section | Wheeling, Illinois | USA | 2013-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2443 | 2621 | 7.00 | 9 | 0.55 | 10 | 5.50 | |
|  Shivaji, Shivkumar | f | | 2272 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Betaneli, Alex | f | | 2245 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Sevian, Samuel | f | | 2371 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Holt, Conrad | g | | 2513 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Diamant, Andre | g | | 2479 | BRA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Akobian, Varuzhan | g | | 2616 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Lenderman, Aleksandr | g | | 2585 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Porper, Edward | m | | 2423 | CAN | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Friedel, Joshua E | g | | 2485 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | |
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) | | | | 2013 National Open - Open Section | Las Vegas, Nevada | USA | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2449 | 2620 | 4.50 | 6 | 0.28 | 10 | 2.80 | |
| | Chiang, Jonathan | f | | 2220 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Matamoros, Carlos | g | | 2537 | ECU | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Landaw, Julian W | f | | 2314 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Mikhalevski, Victor | g | | 2551 | ISR | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Kekelidze, Mikheil | g | | 2503 | GEO | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Hoyos, Manuel Leon | g | | 2568 | MEX | 0.50 | 1 | -0.07 | 10 | -0.70 | | | * 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) | | |
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