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Individual Calculations September 2017 |
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| Khoo-Thwe, Louis Total change: 58.80 | |   |
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| 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1506 | 1.00 | 2 | 0.39 | 40 | 15.60 | |
|  O`gorman, Brendan | | | 1702 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Fernando, Manel | | | 1611 | ENG | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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) | | | | Hampstead FIDE Congress Under 1900 Aug 17 | London | ENG | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1594 | 2.00 | 4 | 0.44 | 40 | 17.60 | |
| | Ratnesan, Rajeiv | | | 1537 | ENG | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Arnot, Bob | | | 1782 | ESP | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Cork, David J | | | 1791 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ramaiya, Arushi | | | 1614 | ENG | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | | | 7th Gibraltar Junior International Junior Chess Festival Under 12 | Gibraltar | ENG | 2017-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1457 | 1594 | 4.00 | 5 | 0.64 | 40 | 25.60 | |
| | Casado Alcoba, Alejandro | | | 1330 | ESP | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Revaliente Montoya, Ciro | | | 1994 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Alonso Vargas, David | | | 1263 | ESP | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Portero Bravo, Aitana | | | 1446 | ESP | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Weersing, Abigail Riis | | | 1253 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | * 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) | | |
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