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Individual Calculations August 2023 |
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| Elgersma, Onno Total change: -9.20 | |   |
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| Amsterdam Science Park Chess Tournament 2023 - Group A | Amsterdam | NED | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2265 | 5.50 | 9 | -0.46 | 20 | -9.20 | |
|  Ritzerveld, Noah | | | 2006 | NED | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Merbis, Max | | | 2057 | NED | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Van Caspel, Ruud | | | 2004 | NED | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Manshanden, Nick | | | 2059 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Baarslag, Ed | | | 2112 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Zwirs, Nico | m | | 2443 | NED | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Van Zutphen, Jimmy | | | 2067 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Van Delft, Merijn | m | | 2369 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Kanis, Sierk | | | 2112 | NED | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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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