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Individual Calculations November 2017 |
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| Boztas, Lana Total change: -27.20 | |   |
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| CCF WINTER CHESS 2017-18 LONG PLAY OCTOBER 2017 | London | ENG | 2017-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1456 | 0.00 | 3 | -1.36 | 20 | -27.20 | |
|  Ito-Aramendia, Alejandro | | | 1476 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | |  O`neill, Tom C | | | 1493 | SCO | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Morgan, David H | | | 1500 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | |
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