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Individual Calculations September 2018 |
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| Ratnesan, Radha Total change: 89.60 | |   |
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| 105th British Championships Under 12 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1295 | 1.00 | 3 | 0.28 | 40 | 11.20 | |
|  Hussain, Adam | | | 1557 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Chen, Daniel Xingyu | | | 1470 | ENG | 1.00 | 1 | 0.73 | 40 | 29.20 | |  Bridgeman, Niamh | | | 1466 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | 105th British Championships Under 1750 | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1295 | 1.50 | 3 | 1.03 | 40 | 41.20 | |
| | Jackson, Paul R | | | 1574 | ENG | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Fowler, David J | | | 1650 | ENG | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Crouch, Timothy J | | | 1535 | ENG | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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) | | | | 54th Berks & Bucks Chess Congress Challengers | Maidenhead | ENG | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1295 | 2.00 | 6 | 0.93 | 40 | 37.20 | |
| | Dunkley, Michael | | | 1695 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kesterson, Kennan | | | 1639 | ENG | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Zhu, Hou Ning | | | 1389 | ENG | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Buanne, Luca | | | 1456 | ENG | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Carter, Lance G | | | 1614 | ENG | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Redmond, Michael F | | | 1691 | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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