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Individual Calculations September 2017 |
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| Lovell, William Pm Total change: 15.60 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1678 | 0.00 | 3 | -0.60 | 40 | -24.00 | |
|  Staniland, Philip | | | 1948 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Ramage, Colin R | | | 1836 | ENG | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Jamroz, Krzysztof | | | 1989 | POL | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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 2050 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1678 | 1.50 | 4 | 0.21 | 40 | 8.40 | |
| | Paul, Nathanael | | | 1871 | ENG | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Beedle, Jonathan E | | | 2038 | ENG | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Guha, Chirag | | | 1776 | WLS | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Saravanan, Aadarsh | | | 1630 | ENG | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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 16 | Gibraltar | ENG | 2017-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1619 | 1.50 | 4 | 0.78 | 40 | 31.20 | |
| | Petersson, Baldur Teodor | | | 2019 * | SWE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gillis Onieva, Celia | | | 2019 * | ESP | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Kadambadi, Nikhil | | | 1655 | ENG | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Forster, Matthew | | | 1971 | ENG | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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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