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Individual Calculations September 2018 |
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| Cox, Toby Total change: 14.00 | |   |
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| 105th British Championships Under 14 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1479 | 2.50 | 6 | 0.39 | 40 | 15.60 | |
|  Rathbone-Jones, Ifan | | | 1703 | WLS | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Cowan, Xavier | | | 1619 | ENG | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Modhura, Urbi | | | 1490 | ENG | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Balouka-Myers, Toby | | | 1447 | ENG | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Ratnesan, Rajeiv | | | 1648 | ENG | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Fleri, Matthew | | | 1643 | MLT | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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) | | | | 64th Hampstead Weekend Congress Under 1900 | London | ENG | 2018-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1479 | 2.00 | 4 | 0.56 | 40 | 22.40 | |
| | Chancay Rodriguez, Isaac | | | 1652 | ENG | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Pepe, Salvatore | | | 1584 | ENG | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Lim, Yu-Chin (peter) | | | 1630 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Fava, Achille | | | 1472 | ITA | 1.00 | 1 | 0.49 | 40 | 19.60 | |
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) | | | | Gibraltar Junior Chess Festival 2018 U16 | Gibraltar | ENG | 2018-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1479 | 1.50 | 5 | -0.60 | 40 | -24.00 | |
| | Perez Beltran, Salvador | | | 1879 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jain, Anushree | | | 1079 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ye, Kevin | | | 1653 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Greco, Joseph | | | 1626 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Bansal, Saahil | | | 1454 | ENG | 0.50 | 1 | -0.03 | 40 | -1.20 | | | * 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) | | |
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