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Rapid:
Individual Calculations September 2017 |
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| Usharovsky, Tom Total change: 41.80 | |   |
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| Golders Green FIDE Rapid Chess Amateur Aug 2017 | London | ENG | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1179 | 2.00 | 3 | 1.31 | 20 | 26.20 | |
|  Brett, Alex I | | | 1466 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Gordon, Marcus | | | 1367 | ENG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Kamara, Abdi | | | 1354 | ENG | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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) | | | | JESSIE GILBERT CELEBRATION INTERNATIONAL OPEN RAPID PLAY | London | ENG | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1179 | 2.50 | 6 | 0.78 | 20 | 15.60 | |
|  Sheikh, Nasarullah | | | 1579 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sheikh, Anum | | wc | 1491 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Braithwaite, Paul | | | 1047 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Fear, Logan | | | 1478 | ENG | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Zhu, Limo | | | 1126 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Usharovsky, Ron | | | 1543 | ENG | 0.50 | 1 | 0.40 | 20 | 8.00 | | | * 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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