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Individual Calculations November 2019 |
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| Yagiz, Bora Total change: -0.60 | |   |
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| DMV Chess League Season 4 Round 5 | Idylwood, Virginia | USA | 2019-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1886 | 0.50 | 1 | -0.08 | 20 | -1.60 | |
|  Barruel, Ian | | | 1829 | USA | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | 11th Annual Washington Chess Congress | Falls Church, Virginia | USA | 2019-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1886 | 3.00 | 9 | 0.05 | 20 | 1.00 | |
| | Guo, Arthur | m | | 2265 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Dougherty, Michael | f | | 2116 | CAN | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Moore, Johnson | | | 1997 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Luo, Terry | | | 2025 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Barrow, William | | | 1949 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Murthy, Pappu | | | 1989 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | De Fotis, Gary | | | 1961 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Zhao, Erick | c | | 1976 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Karell, Leif | | | 1927 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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