Rodriguez Retana, Sofia February 2019 FIDE Individual Chess Calculations

Individual Calculations February 2019

Rodriguez Retana, Sofia Total change: -12.40

Abierto Internacional Metropolitano U14 2018			San Jose		CRC	2018-12-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1306	1249			0.00	3	-1.36	40	-54.40

Diaz Charpentier, Kristel Meliss		1591	CRC	0.00	1	-0.12	40	-4.80
Solano Saltachin, Ruth		1192	CRC	0.00	1	-0.58	40	-23.20
Fuentes Solano, Nahum Alfonso		1134	CRC	0.00	1	-0.66	40	-26.40
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 Absoluto Sub14 2019			San Jose		CRC	2019-01-24
Rc	Ro			w	n	change	K	*Kchg**	Game
1276	1260			4.00	6	1.05	40	42.00

Hernandez Jimenez, Caleb		1004	CRC	1.00	1	0.19	40	7.60
Vargas Abadia, Alejandro		1080	CRC	1.00	1	0.26	40	10.40
Ramirez Madrid, Daniel Alberto		1386	CRC	1.00	1	0.67	40	26.80
Nunez Okubo, Isao	c	1660 *	CRC	0.00	1	-0.08	40	-3.20
Semana Ramirez, Jerian		1303	CRC	0.00	1	-0.44	40	-17.60
Esquivel Jimenez, Douglas Daniel		1223	CRC	1.00	1	0.45	40	18.00
* 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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