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Individual Calculations February 2013 |
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| Kahn, Aaron E Total change: -21.30 | |   |
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| 2012 Motor City Open | Auburn Hills, Michigan | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2259 | 0.50 | 2 | -1.03 | 15 | -15.45 | |
|  Chen, Michael L | | | 2019 | USA | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Bora, Safal | | | 2087 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | |
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) | | | | 5th Annual Chesapeake Open | Gaithersburg, Maryland | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2272 | 2.00 | 3 | -0.29 | 15 | -4.35 | |
| | Fischer, Robert J | | | 2130 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | |  Wlezien, Alexander | | | 2032 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Rodan, Elan Boke | | | 2029 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | 45th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2272 | 1.50 | 3 | -0.10 | 15 | -1.50 | |
| | Bodek, Michael H | f | | 2316 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Chiang, Michael | | | 2203 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Balasubramanian, Adithya | | | 2229 | IND | 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) | | |
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