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Individual Calculations July 2011 |
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| Cao, Kevin Y Total change: 20.55 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2110 | 3.50 | 7 | 0.33 | 15 | 4.95 | |
|  Roy, Myriam | | | 1924 | CAN | 0.50 | 1 | -0.24 | 15 | -3.60 | |  Moorthy, Srinivas | | | 1890 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Arnold, Marc T | m | | 2432 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Abrahamyan, Tatev | | wf | 2335 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Morrow, Hans M | | | 1953 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Bady, Glenn | | | 2221 | USA | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Arjun, Vishnuvardh | m | | 2309 | IND | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | 53rd Gem City Open | Dayton, Ohio | USA | 2011-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2110 | 0.50 | 2 | -0.52 | 15 | -7.80 | |
| | Whorton, Les | | | 2101 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Mikesell, Cory | | | 2100 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2110 | 3.50 | 7 | 1.56 | 15 | 23.40 | |
| | Coleman, Teddy | f | | 2262 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Piasetski, Leon D | m | | 2301 | CAN | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Salakhutdinov, Ildar | | | 2274 | RUS | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Gerzhoy, Leonid | m | | 2496 | CAN | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Cherniack, Alex | | | 2249 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Machin Rivera, Mark | c | | 2255 | PUR | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Wang, Kevin | | | 2186 | 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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