Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pereira, R (Raychel)

Chess SA id

2130155917

FIDE id

Date of birth

2013-11-01 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

2025-08-06

Junior GPX Games

Junior GPX Points

1155.9

Item	Main	Standard	Rapid	Blitz
Rating	1210.1	1210.4	1200	1200
Raw rating	1210.1	1210.4	1200	1200
Weighted rating	1194.6	1191.8	1200	1200
Weighted performance	1051.5	1047.7	0	0
Floor	730.6	735.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.4	163.4	165.8	165.8
Highest rating	1230.6 2024-09-01	1235.4 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1230.6 2024-09-01	1235.4 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1230.6 2018-10-01	1235.4 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1220.6 2024-08-01	1218.4 2024-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1210.1	1210.4	1200	1200
Analysis
Rating	1210.1	1210.4	1200	1200
Raw rating	1210.1	1210.4	1200	1200
Weighted rating	1194.6	1191.8	1200
Weighted performance	1051.5	1047.7	0
K-factor	36	36	36	36
Floor	730.6	735.4	700	700
Max/Min rating change allowed	163.4	163.4	165.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1210.1	1210.4	1200	1200
New weighted rating	1195.9	1193.4	1200	1200
New weighted performance	1044.8	1041	0	0
Temp new rating	1210.1	1210.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1210.1	1210.4	1200	1200
New K-factor	36	36	36	36
New floor	730.6	735.4	700	700

Item	Main	Standard
	0	0
	10	10
	20	20
	8	8
	0	0
	0	0
History	38	38

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3982		1426		166
Female	941		329		38
U14	770		274		47
U14 Female	224		84		14
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1220.7	1178.2
Standard	10	4.5	45	-42.5	1220.7	1178.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	17	44.74	-44.7	1217	1172.3
Standard	38	17	44.74	-44.7	1217	1172.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1210.1	1210.4	1200	1200
2025-09-30	1210.1	1210.4	1200	1200
2025-09-01	1210.1	1210.4	1200	1200
2025-08-01	1190.4	1187	1200	1200
2025-07-01	1190.4	1187	1200	1200
2025-06-01	1190.4	1187	1200	1200
2025-05-01	1190.4	1187	1200	1200
2025-04-01	1190.2	1186.8	1200	1200
2025-03-01	1188.4	1184.7	1200	1200
2025-02-01	1189.1	1185.4	1200	1200
2025-01-01	1169.9	1160.2	1200	1200
2024-12-01	1169.9	1160.2	1200	1200
2024-11-01	1169.9	1160.2	1200	1200
2024-10-01	1179.8	1172.4	1200	1200
2024-09-01	1230.6	1235.4	1200	1200
2024-08-01	1218.3	1222.4	1200	1200
2024-07-01	1218.3	1222.4	1200	1200
2024-09-01	1190.2	1187.8	1200	1200
2024-05-01	1190.2	1187.8	1200	1200
2024-04-01	1190.2	1187.8	1200	1200
2024-03-01	1190.2	1187.8	1200	1200
2024-02-01	1190.2	1187.8	1200	1200
2024-01-01	1190.2	1187.8	1200	1200
2023-12-01	1190.2	1187.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
3	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Gauteng Schools Individuals Finals 2024 (U11 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
5	Sedibeng East D7 Teams Trials 2024 (U11)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
6	AG Visser Open 2024 (D)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
7	Gauteng D7 Teams 2023 (U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
8	Valia's Chess Tournament 2023 (E)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament AG Visser Open 2024				Tournament Sedibeng East D7 Teams Trials 2024
		date 2024-06-08	rnd 4	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Sobuza, K (Kabelo Lutho)				Opponent Hunter, C (Caitlyn)
2	3	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mpharoane, W (Warona)				Opponent Sobuza, K (Kabelo Lutho)
3	2	Tournament Laer Volkskool Open 15 Feb 2025				Tournament Laer Volkskool Open 15 Feb 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Bolton, I (Ian Rowan)				Opponent Hunter, C (Caitlyn)

#	Games	Start				End
1	4	Tournament AG Visser Open 2024				Tournament Sedibeng East D7 Teams Trials 2024
		date 2024-06-08	rnd 4	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Sobuza, K (Kabelo Lutho)				Opponent Hunter, C (Caitlyn)
2	3	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mpharoane, W (Warona)				Opponent Sobuza, K (Kabelo Lutho)
3	2	Tournament Laer Volkskool Open 15 Feb 2025				Tournament Laer Volkskool Open 15 Feb 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Bolton, I (Ian Rowan)				Opponent Hunter, C (Caitlyn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament AG Visser Open 2024				Tournament Sedibeng East D7 Teams Trials 2024
		date 2024-06-08	rnd 4	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Sobuza, K (Kabelo Lutho)				Opponent Hunter, C (Caitlyn)
2	3	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mpharoane, W (Warona)				Opponent Sobuza, K (Kabelo Lutho)
3	2	Tournament Gauteng D7 Teams 2023				Tournament Gauteng D7 Teams 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 4	type Standard	result 1
		Opponent Herego, S (Samalin)				Opponent Mkhuma, K (Kamohelo)

#	Games	Start				End
1	4	Tournament AG Visser Open 2024				Tournament Sedibeng East D7 Teams Trials 2024
		date 2024-06-08	rnd 4	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Sobuza, K (Kabelo Lutho)				Opponent Hunter, C (Caitlyn)
2	3	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mpharoane, W (Warona)				Opponent Sobuza, K (Kabelo Lutho)
3	2	Tournament Gauteng D7 Teams 2023				Tournament Gauteng D7 Teams 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 4	type Standard	result 1
		Opponent Herego, S (Samalin)				Opponent Mkhuma, K (Kamohelo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Sobuza ,K (Kabelo Lutho)	2	2	425	2	2	425	0	0	0	0	0	0
1	Sobuza ,K (Kabelo Lutho)	2	1170.8	1595.8	2	1165.1	1595.8	0	0	0	0	0	0
2	Hunter ,C (Caitlyn)	2	2	425	2	2	425	0	0	0	0	0	0
2	Hunter ,C (Caitlyn)	2	1131.8	1556.8	2	1119.2	1556.8	0	0	0	0	0	0
3	Slabbert ,J (Juwan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Slabbert ,J (Juwan)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Zulu ,K (Keabetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Zulu ,K (Keabetswe)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Van Der Merwe ,W (Willem)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Der Merwe ,W (Willem)	1	1284.4	859.4	1	1276.6	859.4	0	0	0	0	0	0
6	Gouws ,P (Philip)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Gouws ,P (Philip)	1	1275.9	850.9	1	1286.4	850.9	0	0	0	0	0	0
7	Foba ,K (Kamohelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Foba ,K (Kamohelo)	1	1333.1	908.1	1	1333.6	908.1	0	0	0	0	0	0
8	Boshoff ,R (Reinhardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Boshoff ,R (Reinhardt)	1	1444.8	1019.8	1	1440.9	1019.8	0	0	0	0	0	0
9	Gorrie ,K (Kayvian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Gorrie ,K (Kayvian)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Mampane ,N (Ntokozo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mampane ,N (Ntokozo)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Pereira, R (Raychel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms