Individual Calculations September 2014 |
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Polzin, William J Total change: 0.00 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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NOTE: Rating performance achieved in this tournament is listed in part results of a player. | 60th Iowa Open Championship | Coralville, Iowa | USA | 2014-08-15 |
Rc | Ro | w | n | change | Rp | K | K*chg | Game |
1817 | 0 | 0.50 | 2 | 0.00 | 1624 | | 0.00 | |
| Ellis, James S | | | 1893 | USA | 0.50 | 1 | 0.00 | | 0.00 | | Eichhorn, George S | | | 1740 | USA | 0.00 | 1 | 0.00 | | 0.00 | | 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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