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Individual Calculations September 2018 |
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| Rayner, Hugo Total change: -6.00 | |   |
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| 105th British Championships Under 14 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1587 | 1391 | 1.00 | 5 | -0.26 | 40 | -10.40 | |
|  Ratnesan, Rajeiv | | | 1648 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Brightley-Davies, Ciaran | | | 1547 | ENG | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Balouka-Myers, Toby | | | 1447 | ENG | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Cowan, Xavier | | | 1619 | ENG | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Ramaiya, Arushi | | | 1676 | ENG | 0.00 | 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) | | | | 105th British Championships Under 1750 | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1391 | 1.00 | 3 | 0.12 | 40 | 4.80 | |
| | Bullock, Lee | | | 1556 | ENG | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Gogna, Avi | | | 1512 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Hewitt, Gary J | | | 1575 | ENG | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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 |
| 1464 | 1391 | 2.50 | 6 | -0.01 | 40 | -0.40 | |
| | Howell, Oliver W | | | 1791 * | ENG | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Atara, Omeet J | | | 1704 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Cox, Ben | | | 1466 | ENG | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Harbinson, Alec Ryan | | | 1043 | ENG | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Dhanwani, Aryan | | | 1169 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Weersing, Sarah | | | 1608 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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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