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Individual Calculations September 2017 |
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| Clegg, Robert Total change: 51.00 | |   |
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| 104th British Championships Weekend Under 1825 | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1734 | 3.00 | 4 | 0.42 | 20 | 8.40 | |
|  Ramaiya, Arushi | | | 1614 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Woods, Timothy J | | | 1662 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Hosdurga, Chirag | | | 1411 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Clanchy, Nicholas | | | 1770 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | 104th British Championships Under 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1734 | 1.00 | 1 | 0.66 | 20 | 13.20 | |
| | Taylor, Robert P | | | 1854 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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) | | | | 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1734 | 4.00 | 5 | 0.41 | 20 | 8.20 | |
| | Bullock, Lee | | | 1566 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Gunn, Michael J | | | 1563 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Fernando, Manel | | | 1611 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Rowles, Sarah | | | 1623 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Crouch, Timothy J | | | 1471 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | 2017 Midland Championship Major | West Bromwich | ENG | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1769 | 4.00 | 5 | 1.06 | 20 | 21.20 | |
| | Paul, Nathanael | | | 1871 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Gogia, Armaan | | | 1369 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Chung, Ethan | | | 1421 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Lewis, Christopher D | | | 1819 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Hardy, Roger | | | 1884 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | * 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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