Chess South Africa Ratings Database

PLAYER PAGE

Personal

Perez, L (Lea)

Chess SA id

2130302585

FIDE id

Date of birth

2013-07-19 (U14)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1173.7	1199.6	1156.4	1200
Raw rating	1173.7	1199.4	1156.4	1200
Weighted rating	1173.1	1199.6	1155.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.1	166	176.5	165.8
Highest rating	1200 2024-04-01	1200 2024-05-01	1200 2024-04-01	1200 2024-05-01
Highest raw rating	1200 2024-04-01	1200 2024-05-01	1200 2024-04-01	1200 2024-05-01
Highest weighted rating	1200 2024-04-01	1200 2024-05-01	1200 2024-04-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-05-01	1200 2024-12-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0	0	0
New rating	1173.7	1199.5	1156.4	1200
Analysis
Rating	1173.7	1199.6	1156.4	1200
Raw rating	1173.7	1199.4	1156.4	1200
Weighted rating	1173.1	1199.6	1155.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	172.1	166	176.5	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	1173.7	1199.4	1156.4	1200
New weighted rating	1172.8	1199.5	1154.6	1200
New weighted performance	0	0	0	0
Temp new rating	1173.7	1199.5	1156.4	1200
Temp new rating +/-	0	-0	0	0
Final new rating +/-	0	-0	0	0
New rating	1173.7	1199.5	1156.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	8	4	4
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	14	4	10

Games since
	Main 14	Standard 4		Rapid 10		Blitz 0
Gender	Female
Age group	U14
Region	Ekurhuleni (GE)
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	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
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	8	1.5	18.75	-265.6	1258.1	992.4
Standard	4	0.5	12.5	-318.8	1212.1	893.3
Rapid	4	1	25	-212.5	1304	1091.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	3	21.43	-242.9	1233.3	990.4
Standard	4	0.5	12.5	-318.8	1212.1	893.3
Rapid	10	2.5	25	-212.5	1241.7	1029.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1173.7	1199.4	1156.4	1200
2025-09-01	1173.7	1199.4	1156.4	1200
2025-08-01	1173.7	1199.4	1156.4	1200
2025-07-01	1171	1195.9	1156	1200
2025-06-01	1176.9	1200	1161	1200
2025-05-01	1176.9	1200	1161	1200
2025-04-01	1176.9	1200	1161	1200
2025-03-01	1176.9	1200	1161	1200
2025-02-01	1176.6	1200	1160.5	1200
2025-01-01	1164	1200	1139.2	1200
2024-12-01	1164	1200	1139.2	1200
2024-11-01	1164	1200	1139.2	1200
2024-10-01	1164	1200	1139.2	1200
2024-09-01	1164	1200	1139.2	1200
2024-08-01	1164	1200	1139.2	1200
2024-07-01	1164	1200	1139.2	1200
2024-06-01	1164	1200	1139.2	1200
2024-08-01	1164	1200	1139.2	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Ekurhuleni North School District Finals 2025 (U13 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis
2	Kemptonpark School Cluster 2025 (U13 Girls)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North School District Finals 2025 (U13 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis
2	Kemptonpark School Cluster 2025 (U13 Girls)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Kempton Park Cluster Teams League 2024 (U13 Girls)	2024-04-13	2024-04-13	Rapid	Ekurhuleni (GE)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 1	type Rapid	result 0.5	date 2024-04-13	rnd 2	type Rapid	result 1
		Opponent Opperman, L (Lane')				Opponent Rossouw, M (Mila)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 4	type Standard	result 0.5	date 2025-06-14	rnd 4	type Standard	result 0.5
		Opponent Mudau, M (Mineuhle)				Opponent Mudau, M (Mineuhle)
3	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 1	type Rapid	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Malopo, O (Oratilwe)				Opponent Malopo, O (Oratilwe)

#	Games	Start				End
1	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 4	type Standard	result 0.5	date 2025-06-14	rnd 4	type Standard	result 0.5
		Opponent Mudau, M (Mineuhle)				Opponent Mudau, M (Mineuhle)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 1	type Rapid	result 0.5	date 2024-04-13	rnd 2	type Rapid	result 1
		Opponent Opperman, L (Lane')				Opponent Rossouw, M (Mila)
2	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 1	type Rapid	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Malopo, O (Oratilwe)				Opponent Malopo, O (Oratilwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 1	type Rapid	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Malopo, O (Oratilwe)				Opponent Malopo, O (Oratilwe)
2	1	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 2	type Rapid	result 1	date 2024-04-13	rnd 2	type Rapid	result 1
		Opponent Rossouw, M (Mila)				Opponent Rossouw, M (Mila)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 1	type Rapid	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Malopo, O (Oratilwe)				Opponent Malopo, O (Oratilwe)
2	1	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 2	type Rapid	result 1	date 2024-04-13	rnd 2	type Rapid	result 1
		Opponent Rossouw, M (Mila)				Opponent Rossouw, M (Mila)

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	Engelbrecht ,J (Jana)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Engelbrecht ,J (Jana)	2	1213.9	788.9	0	0	0	2	1213.2	788.9	0	0	0
2	Opperman ,L (Lane')	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
2	Opperman ,L (Lane')	2	1186.6	974.1	0	0	0	2	1178.4	974.1	0	0	0
3	Rossouw ,M (Mila)	2	1	0	0	0	0	2	1	0	0	0	0
3	Rossouw ,M (Mila)	2	1200	1200	0	0	0	2	1200	1200	0	0	0
4	Daubert ,M (Michelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Daubert ,M (Michelle)	1	1281.6	856.6	1	1314.1	856.6	0	0	0	0	0	0
5	Khoza ,K (Kanteko)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Khoza ,K (Kanteko)	1	1167	742	1	1158.7	742	0	0	0	0	0	0
6	Mudau ,M (Mineuhle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Mudau ,M (Mineuhle)	1	1199.8	1199.8	1	1199.7	1199.8	0	0	0	0	0	0
7	Molapo ,O (Oratilwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Molapo ,O (Oratilwe)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Govender ,L (Leah)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Govender ,L (Leah)	1	1221.5	796.5	0	0	0	1	1216.6	796.5	0	0	0
9	Crowie ,A (Allegra)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Crowie ,A (Allegra)	1	1594.5	1169.5	0	0	0	1	1384.3	1169.5	0	0	0
10	Buthelezi ,R (Relebogile)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Buthelezi ,R (Relebogile)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Perez, L (Lea)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms