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Individual Calculations February 2013 |
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| Kovchan, Alexander Total change: 0.90 | |   |
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| Schaakfestival Groningen 2012 Open A | Groningen | NED | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2446 | 2579 | 7.00 | 9 | 0.96 | 10 | 9.60 | |
|  Heemskerk, Wim | f | | 2253 | NED | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Goudriaan, Etienne | f | | 2366 | NED | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Hovhanisian, Mher | m | | 2477 | ARM | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Naroditsky, Daniel | m | | 2483 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Drozdowski, Kacper | f | | 2426 | POL | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Roy Chowdhury, Saptarshi | m | | 2441 | IND | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Michalik, Peter | g | | 2508 | SVK | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Ernst, Sipke | g | | 2562 | NED | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Gormally, Daniel W | g | | 2495 | ENG | 1.00 | 1 | 0.38 | 10 | 3.80 | |
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 2013 GM C | Wijk aan Zee | NED | 2013-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2468 | 2579 | 7.50 | 13 | -0.87 | 10 | -8.70 | |
| | Swinkels, Robin | g | | 2508 | NED | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Brunello, Sabino | g | | 2572 | ITA | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Schut, Lisa | | wm | 2295 | NED | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Bitensky, Igor | m | | 2400 | ISR | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Mekhitarian, Krikor Sevag | g | | 2543 | BRA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Gretarsson, Hjorvar Steinn | m | | 2516 | ISL | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Van Der Werf, Mark | m | | 2450 | NED | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Burg, Twan | m | | 2492 | NED | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Romanishin, Oleg M | g | | 2521 | UKR | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Admiraal, Miguoel | f | | 2321 | NED | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Klein, David | m | | 2445 | NED | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Goryachkina, Aleksandra | | wg | 2402 | RUS | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Peralta, Fernando | g | | 2617 | ARG | 0.50 | 1 | 0.05 | 10 | 0.50 | |
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) | | |
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