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Individual Calculations September 2017 |
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| Ratnesan, Rajeiv Total change: 41.42 | |   |
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| 104th British Championships Under 14 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1537 | 2.00 | 5 | -0.40 | 38 | -15.20 | |
|  Gurner, Jem | | | 1660 | JCI | 0.00 | 1 | -0.33 | 38 | -12.54 | |  Salmons, Calum | | | 1745 | ENG | 0.00 | 1 | -0.23 | 38 | -8.74 | | | Karia, Devin | | | 1399 | ENG | 0.50 | 1 | -0.19 | 38 | -7.22 | | | Dorman, Orla | | | 1406 | ENG | 0.50 | 1 | -0.18 | 38 | -6.84 | | | Harman, George | | | 1558 | ENG | 1.00 | 1 | 0.53 | 38 | 20.14 | |
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) | | | | 104th British Championships Under 2050 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1537 | 2.50 | 5 | 1.18 | 38 | 44.84 | |
| | Graff, Ben | | | 1824 | ENG | 0.00 | 1 | -0.16 | 38 | -6.08 | | | Balouka Myers, Gabriel | | | 1686 | ENG | 0.00 | 1 | -0.30 | 38 | -11.40 | | | Horlock, Peter J | | | 1622 | ENG | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Hussain, Adam | | | 1659 | ENG | 0.50 | 1 | 0.17 | 38 | 6.46 | | | Hall, Alan A | | | 1833 | ENG | 1.00 | 1 | 0.85 | 38 | 32.30 | |
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 |
| 1651 | 1537 | 2.50 | 5 | 0.72 | 38 | 27.36 | |
| | Murtaza, Faisal | | | 1782 | PAK | 0.50 | 1 | 0.30 | 38 | 11.40 | | | Khoo-Thwe, Louis | | | 1594 | NOR | 0.00 | 1 | -0.42 | 38 | -15.96 | | | Wiratunga, Jenith | | | 1488 | ENG | 1.00 | 1 | 0.43 | 38 | 16.34 | | | Nayak, Aurideep | | | 1627 | ENG | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Finnegan, Oliver | | | 1763 | ENG | 0.00 | 1 | -0.21 | 38 | -7.98 | |
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 16 | Gibraltar | ENG | 2017-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1537 | 0.00 | 3 | -0.41 | 38 | -15.58 | |
| | Forster, Matthew | | | 1937 * | ENG | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Smith, Callum | | | 1908 | SCO | 0.00 | 1 | -0.10 | 38 | -3.80 | | | Finn, Thomas | | | 1751 | ENG | 0.00 | 1 | -0.23 | 38 | -8.74 | | | * 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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