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Individual Calculations September 2017 |
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| Akeya-Price, Robert A Total change: -30.03 | |   |
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| 104th British Championships Major Open | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1746 | 3.00 | 8 | -0.59 | 33 | -19.47 | |
|  Hubbard, Michael | | | 1922 | ENG | 0.00 | 1 | -0.27 | 33 | -8.91 | |  Ruane, Brendan J | | | 1857 | ENG | 0.00 | 1 | -0.35 | 33 | -11.55 | | | Wilson, Matthew R | | | 1829 | ENG | 1.00 | 1 | 0.61 | 33 | 20.13 | | | Davison, Colin Fs | | | 1926 | ENG | 0.50 | 1 | 0.24 | 33 | 7.92 | | | Stoyanov, Viktor | | | 1919 | ENG | 0.00 | 1 | -0.27 | 33 | -8.91 | | | Neale, George | | | 1635 | ENG | 1.00 | 1 | 0.35 | 33 | 11.55 | | | Raghavendra, Mahima G | | | 1562 | ENG | 0.00 | 1 | -0.74 | 33 | -24.42 | | | Nayak, Aurideep | | | 1627 | ENG | 0.50 | 1 | -0.16 | 33 | -5.28 | |
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 12 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1746 | 1.50 | 3 | -0.59 | 33 | -19.47 | |
| | Tombolis, Christopher | | | 1807 | ENG | 0.00 | 1 | -0.42 | 33 | -13.86 | | | Kesterson, Kennan | | | 1392 | ENG | 1.00 | 1 | 0.11 | 33 | 3.63 | | | Ray, Hiya | | | 1523 | WLS | 0.50 | 1 | -0.28 | 33 | -9.24 | |
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 12 | Gibraltar | ENG | 2017-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1724 | 3.00 | 5 | -1.28 | 33 | -42.24 | |
| | Barranco Lopez, Alba | | | 1324 * | ESP | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Ruiz Buendia, Miguel | | | 1384 | ESP | 1.00 | 1 | 0.12 | 33 | 3.96 | | | Valenzuela Fernandez, Alejandro | | | 1584 | ESP | 0.00 | 1 | -0.69 | 33 | -22.77 | | | Hernandez Tellez, Claudia | | | 1374 | ESP | 0.50 | 1 | -0.39 | 33 | -12.87 | | | Olde, Karl Erik | | | 1353 | EST | 0.50 | 1 | -0.40 | 33 | -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) | | | | 53rd Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2017-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1724 | 2.50 | 5 | 1.55 | 33 | 51.15 | |
| | Nelson, Omowale A | | | 1987 | JAM | 0.50 | 1 | 0.32 | 33 | 10.56 | | | Lentzos, Ioannis | | | 2029 | GRE | 0.00 | 1 | -0.14 | 33 | -4.62 | | | Gibson, Christopher A | | | 1955 | ENG | 0.50 | 1 | 0.29 | 33 | 9.57 | | | Cole, James | | | 1950 | ENG | 0.50 | 1 | 0.29 | 33 | 9.57 | | | De Coverly, Roger D | | | 1954 | ENG | 1.00 | 1 | 0.79 | 33 | 26.07 | |
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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