Sereti, Ioanna January 2023 FIDE Individual Chess Calculations

Individual Calculations January 2023

Sereti, Ioanna Total change: 107.20

2022 Youth U16 Team Championship of Attica			Attica		GRE	2022-10-02
Rc	Ro			w	n	change	K	*Kchg**	Game
1209	1054			2.00	2	1.40	40	56.00

Kolovou, Christina		1290	GRE	1.00	1	0.80	40	32.00
Afantiti, Maria Varvara		1128	GRE	1.00	1	0.60	40	24.00
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)

15th open AS N Psychiko A			Psychiko		GRE	2022-12-04
Rc	Ro			w	n	change	K	*Kchg**	Game
1286	1054			1.00	1	0.79	40	31.60

Matsoukas, Georgios		1286	GRE	1.00	1	0.79	40	31.60
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)

2022 National Youth Team U16 championships - Finals			Rio Achaias		GRE	2022-12-15
Rc	Ro			w	n	change	K	*Kchg**	Game
1293	1054			1.00	2	0.49	40	19.60

Tzima, Despoina Anna		1087	GRE	1.00	1	0.55	40	22.00
Siskou, Evangelia		1499	GRE	0.00	1	-0.06	40	-2.40
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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