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Individual Calculations February 2015 |
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| Hummel, Joop Total change: 19.00 | |   |
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| Schaakfestival Groningen 2014 Open B | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1978 | 3.50 | 6 | -0.97 | 20 | -19.40 | |
|  Alshourfaa, Hazaa | | | 1733 | KUW | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Loutragotis, Dimitrios | | | 1578 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Schwartz, Julius | | | 2019 | SCO | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Bos, Robin | | | 1717 | NED | 0.00 | 1 | -0.82 | 20 | -16.40 | | | De Ruiter, Thomas | | | 1872 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Van Dael, Siem | | | 1677 | NED | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Chess Tournament 2015 - T3F | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1968 | 6.00 | 9 | 1.92 | 20 | 38.40 | |
| | Lupulescu, Adrian-Calin | | | 2022 | ROU | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Gutkind, Kedem | | | 2016 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Geertsema, Piet | | | 1953 | NED | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Taylor, Frank | | | 1974 | NED | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Bottenberg, Frans | | | 2073 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Duin, Ritchy | | | 1910 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Morice, Ludovic | | | 2046 | FRA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Freer, Glenn | | | 1910 | NED | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Smit, Frans | | | 2107 | NED | 1.00 | 1 | 0.69 | 20 | 13.80 | |
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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