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Individual Calculations February 2017 |
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| Jacobson, Aaron Total change: -37.20 | |   |
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| 2016 Pan-American Intercollegiate Team Chess Championship | Kenner, Louisiana | USA | 2016-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2136 | 1.50 | 4 | 0.00 | 40 | 0.00 | |
|  Kaliyur, Rohith | | | 1736 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Raznikov, Dani | g | | 2512 | ISR | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Mai, Lloyd | | | 2201 | CAN | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Rambaldi, Francesco | g | | 2536 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 2017 January Marshall Weekend FIDE | New York, New York | USA | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2174 | 2.50 | 3 | 0.69 | 40 | 27.60 | |
| | Aregbeyen, Aigboje | | | 1774 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Shtivelband, Richard | | | 2170 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Bonin, Jay R | m | | 2260 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | * 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 |
| 1976 | 2174 | 2.00 | 5 | -1.62 | 40 | -64.80 | |
| | Li, Ruifeng | m | | 2564 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Samadashvili, Martha | | wf | 1877 | USA | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Chin, Angelica | | | 1774 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ni, Winston | | | 1801 | USA | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Li, Jimmy | | | 1863 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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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