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Individual Calculations December 2012 |
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| Gelashvili, Tamaz Total change: 2.40 | |   |
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| 3rd Annual Boardwalk Open | Asbury Park, New Jersey | USA | 2012-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2415 | 2564 | 2.50 | 3 | 0.46 | 10 | 4.60 | |
|  Erenburg, Sergey | g | | 2629 | ISR | 1.00 | 1 | 0.59 | 10 | 5.90 | |  Kahn, Aaron E | | | 2259 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Van Kooten, Luuk | f | | 2356 | NED | 0.50 | 1 | -0.27 | 10 | -2.70 | |
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) | | | | 43rd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2489 | 2564 | 1.50 | 3 | -0.22 | 10 | -2.20 | |
| | Balasubramanian, Adithya | | | 2223 | IND | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Erenburg, Sergey | g | | 2629 | ISR | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Lenderman, Aleksandr | g | | 2614 | USA | 0.00 | 1 | -0.43 | 10 | -4.30 | |
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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