Rojas Salas, Rihanna Irina November 2021 FIDE Individual Chess Calculations

Individual Calculations November 2021

Rojas Salas, Rihanna Irina Total change: 92.40

II IRT Hibrido de Las Americas Sub-1200 2021			Chacao-Porlamar-Guayaquil-Macas-Manta-Lima-Puerto Espana		VEN	2021-10-02
Rc	Ro			w	n	change	K	*Kchg**	Game
1133	1030			2.50	4	1.06	40	42.40

Maravi Ceron, Ayme		1152	PER	1.00	1	0.67	40	26.80
Hernandez Mora, Nohelia Virginia		1156	VEN	0.00	1	-0.33	40	-13.20
Espichan Serna, Magaly Del Rosari		1104	PER	1.00	1	0.60	40	24.00
Zhunio Guaman, Sofia		1120	ECU	0.50	1	0.12	40	4.80
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)

9 Open IRT U-2200 Club Hermanos Rojas			Lima		PER	2021-10-16
Rc	Ro			w	n	change	K	*Kchg**	Game
1242	1030			2.50	5	1.25	40	50.00

Parra Gonzales, Andre Leonardo		1430 *	PER	0.00	1	-0.08	40	-3.20
Garay Ramirez, Estefano Javier		1251	PER	0.00	1	-0.22	40	-8.80
Reyes Zavaleta, Cristhian Yamil		1318	PER	0.50	1	0.34	40	13.60
Ramirez Espino, Gian Sandro		1081	PER	1.00	1	0.57	40	22.80
Reyes Zavaleta, Sergio Gabriel		1131	PER	1.00	1	0.64	40	25.60
* 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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