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Individual Calculations September 2017 |
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| Petkov, Anton Total change: 10.80 | |   |
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| 104th British Championships Under 14 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1481 | 2.50 | 5 | -0.25 | 40 | -10.00 | |
|  Ye, Kevin | | | 1471 | ENG | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Remus Elliot, Tai | | | 1388 | ENG | 0.00 | 1 | -0.63 | 40 | -25.20 | |  Barlov, Alex | | | 1510 | ENG | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Vanjare, Aditya | | | 1510 | JCI | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Gray, Edward | | | 1343 | ENG | 0.50 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1555 | 1481 | 2.50 | 5 | 0.52 | 40 | 20.80 | |
| | McLaren, Thomas | | | 1562 | ENG | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Srivastava, Arnav | | | 1530 | ENG | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Livermore, Richard Ea | | | 1565 | WLS | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Verma, Shlok | | | 1553 | ENG | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Bullock, Lee | | | 1566 | ENG | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | |
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