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Individual Calculations December 2017 |
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| Wilson, Mark L Total change: -31.00 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1690 | 3.50 | 8 | -1.55 | 20 | -31.00 | |
|  Ng, Clive | c | | 2032 | AUS | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Shaw, Ralph | | | 1607 | AUS | 0.50 | 1 | -0.11 | 20 | -2.20 | | | O`callaghan, Scott | | | 1583 | AUS | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Johnson, Andrew | | | 1542 | AUS | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Romanous, Steven | | | 1496 | AUS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Hii, Ryan | | | 1290 * | AUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Greenwood, Norman | | | 1570 | AUS | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Leong, Timothy | | | 1590 | AUS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | * 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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