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Individual Calculations February 2023 |
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| Boersma, David Total change: 38.00 | |   |
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| Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1791 | 7.00 | 9 | 1.90 | 20 | 38.00 | |
|  Veerman, Jan | | | 1802 | NED | 0.50 | 1 | 0.02 | 20 | 0.40 | |  De Jonge, Edwin | | | 1768 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | De Haan, Hans | | | 1813 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Stroosma, Harry | | | 1706 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Timmerman, Jan | | | 1674 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Hendriks, Jos | | | 1744 | NED | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Bouma, Dick | | | 1764 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Breurkes, Richard | | | 1729 | NED | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Bos, Bas | | | 1687 | 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) | | |
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