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Individual Calculations April 2013 |
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| Kekelidze, Mikheil Total change: 9.80 | |   |
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| 7th Annual Long Island Open | Ronkonkoma, New York | USA | 2013-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2363 | 2488 | 2.50 | 3 | 0.56 | 10 | 5.60 | |
|  Prilleltensky, Matan | | | 2169 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Lenderman, Aleksandr | g | | 2601 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Bonin, Jay Richard | m | | 2318 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | |
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) | | | | 22nd Annual Eastern Class Championship - Master Section | Sturbridge, Massachusetts | USA | 2013-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2488 | 2.00 | 3 | 0.05 | 10 | 0.50 | |
| | Bolat, Ahmet | | | 2099 | TUR | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Esserman, Marc | m | | 2448 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Fishbein, Alexander | g | | 2504 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | |
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) | | | | 35th Annual Marchand Open | Rochester, New York | USA | 2013-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2488 | 4.50 | 5 | 0.37 | 10 | 3.70 | |
| | Phelps, David B | | | 2088 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Dorsey, Philip A | | | 2136 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Aaron, Deepak | | | 2257 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Marinello, Beatriz | | wm | 2148 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Bartell, Thomas | f | | 2380 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | * 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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