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Individual Calculations September 2015 |
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| Jacobson, Brandon Total change: 37.60 | |   |
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| CCFC 1st FIDE Invitational | Norwalk, Connecticut | USA | 2015-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2197 | 2.50 | 4 | 0.16 | 40 | 6.40 | |
|  Graif, William | | | 1876 | CAN | 0.50 | 1 | -0.37 | 40 | -14.80 | |  Lowinger, Daniel | | | 2112 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Otchiyev, Arslan | | | 2373 | TKM | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Niemann, Hans M | | | 2142 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | 4th Annual Washington International - Section A | Rockville, Maryland | USA | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2311 | 2197 | 4.00 | 8 | 1.20 | 40 | 48.00 | |
| | Bodek, Michael H | f | | 2428 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Viswanadha, Kesav | m | | 2366 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Mandizha, Farai | m | | 2344 | ZIM | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Song, Michael | f | | 2319 | CAN | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Lowinger, Daniel | | | 2112 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Getz, Shelby D | f | | 2286 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Balakrishnan, Praveen | | | 2309 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Kaufman, Larry C | g | | 2320 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | |
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) | | | | 14th Annual Manhattan Open | New York, New York | USA | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2197 | 0.00 | 1 | -0.42 | 40 | -16.80 | |
| | Rozman, Levy | | | 2257 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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