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Individual Calculations February 2020 |
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| Bowman, Richard L Total change: 10.80 | |   |
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| Tata Steel Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1740 | 2.50 | 3 | 1.14 | 20 | 22.80 | |
|  Van Garderen, Ton | | | 1700 | NED | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Van Dam, Jan | | | 1781 | NED | 1.00 | 1 | 0.56 | 20 | 11.20 | |  Copier, Richard | | | 1842 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | Tata Steel Dagvierkampen 2020 | Wijk aan Zee | NED | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1740 | 0.50 | 3 | -1.00 | 20 | -20.00 | |
| | Hoosbeek, Jan | | | 1797 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Van Strien, Bart | | | 1734 | NED | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Sikkes, Piet | | | 1691 | NED | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | 24th 4NCL Congress Major | Harrogate | ENG | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 1740 | 2.00 | 4 | 0.20 | 20 | 4.00 | |
| | Hilton, Tim | | | 1892 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Riding, Mick D | | | 1854 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Jayawarna, Tarini | | | 1564 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Stephenson, David W | | | 1793 | ENG | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs B | Gibraltar | ENG | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1740 | 2.50 | 4 | 0.20 | 20 | 4.00 | |
| | Dhanwani, Aryan | | | 1360 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Henderson Franklin, Matthew | | | 1617 | ESP | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Nash, Damian | | | 1890 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Diaz Gallego, Saul | | | 1801 | ESP | 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) | | |
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