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Individual Calculations March 2012 |
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| Arp, Frans Total change: -17.85 | |   |
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| Schaakfestival Groningen 2011 Compact A | Groningen | NED | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2103 | 0.50 | 4 | -1.93 | 15 | -28.95 | |
|  Sterrenburg, Kees | | | 1996 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | |  Rietman, Frits | | | 2254 | NED | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Rupert, Casper | | | 1951 | NED | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Reinders, Joan | | | 1887 | NED | 0.00 | 1 | -0.78 | 15 | -11.70 | |
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 - 3D - Round 5-6 | Various | NED | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 2088 | 2.00 | 2 | 0.54 | 15 | 8.10 | |
| | Meester, Andre | | | 1768 | NED | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Haver, Bas | | | 2024 | NED | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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 - 1A Dagvierkampen | Wijk aan Zee | NED | 2012-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2088 | 2.00 | 3 | 0.20 | 15 | 3.00 | |
| | Nederkoorn, Kees | | | 2037 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Van Nieuwenhuizen, Hans | | | 1970 | NED | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Reynolds, D Ian W | | | 2036 | ENG | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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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