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Individual Calculations October 2021 |
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| Patrick, David A Total change: -78.60 | |   |
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| Northumbria Masters Challengers 2021 | Newcastle | ENG | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1882 | 5.00 | 9 | -2.01 | 20 | -40.20 | |
|  Waterfield, Mark | | | 1609 | ENG | 0.00 | 1 | -0.83 | 20 | -16.60 | |  Sainbayar, Anuurai | | | 1561 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Clarke, Niall | | | 1645 | ENG | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Webster, Vivien | | | 1590 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Clancy, Martin J | | | 1777 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Faulkner, Adam | | | 1628 | ENG | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Sloan, Cecil | | | 1527 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Wynarczyk, Raymond | | | 1800 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Dean, Robert A | | | 1724 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 57th Northumberland Chess Weekender | Newcastle | ENG | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1882 | 0.00 | 4 | -1.92 | 20 | -38.40 | |
| | Bozinakis, Pavlos | | | 2216 | GRE | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Spanton, Tim R | | | 1747 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Waterfield, Mark | | | 1679 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Symonds, Richard H | | | 1981 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | |
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