Obrochta, Lena April 2023 FIDE Individual Chess Calculations

Individual Calculations April 2023

Obrochta, Lena Total change: -33.60

Indywidualne Mistrzostwa Polski Juniorow 2023 - D18			Jastrzebia Gora		POL	2023-03-12
Rc	Ro			w	n	change	K	*Kchg**	Game
1449	1674			5.50	9	-1.32	40	-52.80

Sivickis, Kornelia		1348	POL	0.50	1	-0.37	40	-14.80
Labedz, Gabriela		1421	POL	0.00	1	-0.81	40	-32.40
Czerwinska, Oliwia		1368	POL	0.50	1	-0.36	40	-14.40
Olszewska, Wiktoria		1285	POL	1.00	1	0.09	40	3.60
Gornisiewicz, Natalia		1287	POL	0.50	1	-0.41	40	-16.40
Gaczol, Julia		1428	POL	0.50	1	-0.31	40	-12.40
Lochina, Justyna		1643	POL	1.00	1	0.46	40	18.40
Mroz, Lena		1635	POL	0.50	1	-0.05	40	-2.00
Jedrzejko, Martyna		1629	POL	1.00	1	0.44	40	17.60
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)

Druzynowe Mistrzostwa Slaska Seniorow - Ekstraliga 2023 Round 7-9			Chorzow		POL	2023-03-25
Rc	Ro			w	n	change	K	*Kchg**	Game
1654	1674			2.00	3	0.48	40	19.20

Tim, Anna		1274 *	POL	0.50	1	-0.42	40	-16.80
Hertlein, Irena		1994	POL	0.50	1	0.37	40	14.80
Karpiniec, Joanna		1694	POL	1.00	1	0.53	40	21.20
* 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)

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