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Individual Calculations January 2019 |
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| Jacobs, Robert Total change: 125.60 | |   |
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| 10th CSC London Chess Classic: 5-Day Under 2050 | London | ENG | 2018-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1819 | 4.50 | 5 | 3.14 | 40 | 125.60 | |
|  Heppell, Ian N | | | 2028 | ENG | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Xaxiris, Evangelos | | | 1995 | GRE | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Iyengar, Ilya | | | 2001 | ENG | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Rogers, Tim L | | | 2003 | ENG | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Bird, Joel | | | 1938 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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