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Individual Calculations October 2015 |
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| Pollack, Oscar Total change: -37.60 | |   |
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| Golders Green August 2015 Bank Holiday Congress: OPEN | London | ENG | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1873 | 1.00 | 4 | -1.20 | 40 | -48.00 | |
|  Bonafont, Philip R | | | 2003 | ENG | 1.00 | 1 | 0.68 | 40 | 27.20 | |  Islam, Mohammed | | | 1635 | BAN | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Mulay, Partha | | | 1760 | ENG | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Disu, Kayode | | | 1922 | ENG | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | | | 32nd Hampstead Weekend Congress: Under 2200 | London | ENG | 2015-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1823 | 2.50 | 5 | 0.26 | 40 | 10.40 | |
| | Oyama, Akito | | | 2081 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Mulay, Partha | | | 1728 | ENG | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Brozel, Sacha | | | 1854 | ENG | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Ratnesan, Ranesh | | | 1648 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Prior, Stephen C V | | | 2026 | ENG | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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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