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Individual Calculations December 2013 |
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| Tamarkin, Lawrence Total change: -12.15 | |   |
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| 2013 Queens Chess Club Championship | New York, New York | USA | 2013-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 2079 | 1.00 | 3 | -0.81 | 15 | -12.15 | |
|  Parhami, Payam | | | 2054 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |  Muwwakkil, Mulazim | | | 1880 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Arluck, William S | | | 2063 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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) | | |
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