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Blitz:
Individual Calculations May 2012 |
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| Porter, Sam J Total change: 25.80 | |   |
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| Coulsdon Easter Blitz | Coulsdon | ENG | 2012-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1835 | 4.50 | 7 | 1.29 | 20 | 25.80 | |
|  Miles, Barry S | | | 1648 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Okike, David C | | | 2194 | NGR | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Boztas, Lana | | | 1613 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Curtis, Howard C P | | | 1648 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Young, Daniel J | | | 1761 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Haldane, Robin W | | | 2133 | ENG | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Ndhlovu, Lahende K | | | 2200 | ZAM | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | |
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