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Individual Calculations February 2017 |
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| Lenderman, Aleksandr Total change: 4.90 | |   |
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| 43rd Annual Eastern Open | Bethesda, Maryland | USA | 2016-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2581 | 6.50 | 7 | 1.15 | 10 | 11.50 | |
|  Collier, Philip M. | | | 2181 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Huang, Andy | | | 2181 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sinha, Sahil | f | | 2277 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Shabalov, Alexander | g | | 2563 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Erenburg, Sergey | g | | 2569 | USA | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Samuelson, Andrew | | | 2265 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Enkhbat, Tegshsuren | m | | 2405 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | * 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) | | | | 49th Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2382 | 2573 | 3.00 | 5 | -0.66 | 10 | -6.60 | |
| | Jacobson, Brandon | c | | 2225 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Brodsky, David | f | | 2314 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Erenburg, Sergey | g | | 2570 | USA | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Shetty, Atulya | m | | 2423 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Ostrovskiy, Aleksandr | m | | 2377 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | |
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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