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Individual Calculations February 2015 |
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| Elgersma, Simon Total change: 102.40 | |   |
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| Schaakfestival Groningen 2014 Open B | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1802 | 3.00 | 6 | 0.12 | 40 | 4.80 | |
|  Bos, Robin | | | 1717 | NED | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Miller, Jacob | | | 1798 | IRL | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Hilwerda, Jonas | | | 1657 | NED | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Taga, Hiroto | | | 1847 | JPN | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Leentjens, Gilbert | | | 1840 | NED | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Kasperek, Joanna | | | 2070 | POL | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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 Chess Tournament 2015 - T3I | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1832 | 5.00 | 9 | 2.44 | 40 | 97.60 | |
| | Roet, Siem | | | 2028 | NED | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Dekker, Jop | | | 1939 | NED | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Van De Griend, Johan | | | 1962 | NED | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Buitink, Bert | | | 1944 | NED | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Termeulen, Albert | | | 2087 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rakhorst, Wim | | | 1974 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Van Amerongen, Peggy | | | 2048 | NED | 1.00 | 1 | 0.78 | 40 | 31.20 | | | De Zwart, Johan | | | 2007 | NED | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Da Ces, Philippe | | | 1978 | BEL | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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