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Individual Calculations March 2012 |
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| Mostertman, Johan Total change: 25.65 | |   |
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| Schaakfestival Groningen 2011 Open B | Groningen | NED | 2011-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1807 | 4.00 | 8 | 0.88 | 15 | 13.20 | |
|  Vermeulen, Frans | | | 1926 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | |  Pouw, Marcel | | | 1910 | NED | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Velzen Van, Martin | | | 1919 | NED | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Hess, Peter | | | 1948 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Thonig, Manfred | | | 1670 | GER | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kesteren Van, Stef | | | 1881 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Mostertman, Xander | | | 1959 | NED | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Werff Van Der, Frank | | | 1892 | NED | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | Dutch Team Competition - 3A - Round 5-6 | Various | NED | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1800 | 1.00 | 2 | 0.66 | 15 | 9.90 | |
| | Adema, Johan | | | 2006 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Nijdam, Wietze | | | 2172 | NED | 1.00 | 1 | 0.90 | 15 | 13.50 | |
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 2011 - 4B Tienkampen | Wijk aan Zee | NED | 2012-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1800 | 3.50 | 8 | 0.17 | 15 | 2.55 | |
| | Kuryliw, Ray | | | 1899 | CAN | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Oudejans, Martin | | | 1850 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Gattuso, Christophe | | | 1872 | FRA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Veerman, Jan | | | 1901 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Keetman, Maaike | | | 1746 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Tieleman, Wouter | | | 1876 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Schmit, Evert | | | 1902 | NED | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Rensen, Martin | | | 1845 | NED | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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) | | |
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