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Individual Calculations July 2013 |
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| Preotu, Razvan Total change: 28.95 | |   |
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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 |
| 2332 | 2221 | 3.50 | 9 | 0.21 | 15 | 3.15 | |
|  Amanov, Mesgen | g | | 2510 | TKM | 1.00 | 1 | 0.84 | 15 | 12.60 | |  Friedel, Joshua E | g | | 2485 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Krush, Irina | m | wg | 2470 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Shmelov, Denys Konstantin | | | 2431 | UKR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Tang, Andrew | | | 2152 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Fernandez, Daniel | m | | 2396 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Sevian, Samuel | f | | 2371 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Chiang, Jonathan | f | | 2079 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Song, Edward | | | 2093 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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 Guelph pre-Summer ProAm | Guelph, Ontario | CAN | 2013-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2284 | 2248 | 3.50 | 4 | 1.72 | 15 | 25.80 | |
| | Zhao, Yuetong | | | 1902 | CAN | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Bailey, Doug | f | | 2248 | CAN | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Sambuev, Bator | g | | 2519 | CAN | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Noritsyn, Nikolay | m | | 2466 | CAN | 1.00 | 1 | 0.78 | 15 | 11.70 | |
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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