Mayorga Araya, Sofia February 2020 FIDE Individual Chess Calculations

Individual Calculations February 2020

Mayorga Araya, Sofia Total change: -23.60

Torneo Abierto Metropolitano Grupo B 2019				San Jose		CRC	2019-12-26
Rc	Ro				w	n	change	K	*Kchg**	Game
1495	1405				2.50	7	-0.30	40	-12.00

Arteaga Saenz, Juan Manuel			1571	CRC	0.00	1	-0.28	40	-11.20
Molina Venegas, Julian Ernesto			1196	CRC	0.00	1	-0.77	40	-30.80
Herrera Granados, Jimmy Daniel			1790	CRC	0.50	1	0.41	40	16.40
Ramirez Almeciga, Yenny Melisa			1706	CRC	0.00	1	-0.15	40	-6.00
Ibarra Valverde, Kevin			1196	CRC	1.00	1	0.23	40	9.20
Semana Ramirez, Jerian			1495	CRC	1.00	1	0.62	40	24.80
Meza Vega, Jose Antonio			1510	CRC	0.00	1	-0.36	40	-14.40
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)

Campeonato Nacional Infantil Sub12 Femenino 2020				Escazu		CRC	2020-01-23
Rc	Ro				w	n	change	K	*Kchg**	Game
1178	1405				2.00	3	-0.29	40	-11.60

Semana Ramirez, Brenda		wc	1197	CRC	0.00	1	-0.77	40	-30.80
Hernandez Brenes, Keicy Pamela			1005 *	CRC	1.00	1	0.08	40	3.20
Salazar Gould, Kristy Valeria			1331	CRC	1.00	1	0.40	40	16.00
* 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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