Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuizen, L (Leane)

Chess SA id

2120139971

FIDE id

Date of birth

2012-06-15 (U14)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1353.8

Item	Main	Standard	Rapid	Blitz
Rating	1227.3	1237.6	1181.6	1200
Raw rating	1227.3	1237.6	1181.6	1200
Weighted rating	1196.9	1211.1	1181.6	1200
Weighted performance	0	0	0	0
Floor	727.3	737.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.5	157.2	170.2	165.8
Highest rating	1227.3 2025-11-01	1237.6 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1227.3 2025-11-01	1237.6 2025-11-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1210.6 2018-10-01	1211.1 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1227.3	1237.6	1181.6	1200
Analysis
Rating	1227.3	1237.6	1181.6	1200
Raw rating	1227.3	1237.6	1181.6	1200
Weighted rating	1196.9	1211.1	1181.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	727.3	737.6	700	700
Max/Min rating change allowed	159.5	157.2	170.2	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	1227.3	1237.6	1181.6	1200
New weighted rating	1199.8	1213.6	1181.6	1200
New weighted performance	0	0	0	0
Temp new rating	1227.3	1237.6	1181.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1227.3	1237.6	1181.6	1200
New K-factor	36	36	36	36
New floor	727.3	737.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	8	8	0
	0	0	0
	7	0	7
	0	0	0
History	25	18	7

Games since
	Main 18	Standard 18		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Tshwane (GTP)
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	10	5	50	0	1319.5	1319.5
Standard	10	5	50	0	1319.5	1319.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	12	48	-17	1238.2	1221.2
Standard	18	9	50	0	1267.5	1267.5
Rapid	7	3	42.86	-60.7	1163.1	1102.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1227.3	1237.6	1181.6	1200
2025-09-30	1210.6	1226.1	1181.6	1200
2025-09-01	1210.6	1226.1	1181.6	1200
2025-08-01	1210.6	1226.1	1181.6	1200
2025-07-01	1210.6	1226.1	1181.6	1200
2025-06-01	1210.6	1226.1	1181.6	1200
2025-05-01	1185.1	1198.5	1181.6	1200
2025-04-01	1185.1	1198.5	1181.6	1200
2025-03-01	1185.1	1198.5	1181.6	1200
2025-02-01	1185.1	1198.4	1181.6	1200
2025-01-01	1185.1	1197.5	1181.6	1200
2024-12-01	1185.1	1197.5	1181.6	1200
2024-11-01	1185.1	1197.5	1181.6	1200
2024-10-01	1185.1	1197.5	1181.6	1200
2024-09-01	1185.1	1197.5	1181.6	1200
2024-08-01	1182.1	1197.1	1181.6	1200
2024-07-01	1182.1	1197.1	1181.6	1200
2024-09-01	1182.1	1197.1	1181.6	1200
2024-05-01	1181.8	1200	1181.6	1200
2024-04-01	1181.8	1200	1181.6	1200
2024-03-01	1181.8	1200	1181.6	1200
2024-02-01	1181.8	1200	1181.6	1200
2024-01-01	1181.8	1200	1181.6	1200
2023-12-01	1181.8	1200	1181.6	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	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Tshwane South School District Individual Finals (D4) (U13 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Tshwane South School District Individual Finals (D4) (U13 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
4	2024 Tshwane South School District CLOSED Individual Championships (U13 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	3	1.5	Yes	Analysis
5	D4 Individuals 2022 (U11 Girls)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Gauteng Schools Provincial Individual Chess Championship
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-09-27	rnd 1	type Standard	result 1
		Opponent Pronk, L (Lyla)				Opponent Magana, K (Kgopotso)
2	3	Tournament D4 Individuals 2022				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2024-05-11	rnd 4	type Standard	result 1
		Opponent Fritzpatrick, A (Alenka)				Opponent Du Toit, J (Janri)
3	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Le Roux, J (Jan-Henoch)				Opponent Carlysle-Mccallum, J (Jasmin-Lee)

#	Games	Start				End
1	3	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Pronk, L (Lyla)				Opponent Pistorius, A (Anabelle)
2	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Le Roux, J (Jan-Henoch)				Opponent Carlysle-Mccallum, J (Jasmin-Lee)
3	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 3	type Standard	result 0.5	date 2024-05-11	rnd 4	type Standard	result 1
		Opponent Coetzee, L (Lenska)				Opponent Du Toit, J (Janri)

#	Games	Start				End
1	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Fritzpatrick, A (Alenka)				Opponent Fritzpatrick, A (Alenka)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Engelbrecht, A (Amber-Lee)				Opponent Engelbrecht, A (Amber-Lee)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Bester, E (Emelia)				Opponent Bester, E (Emelia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Pronk, L (Lyla)				Opponent Pistorius, A (Anabelle)
2	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Le Roux, J (Jan-Henoch)				Opponent Carlysle-Mccallum, J (Jasmin-Lee)
3	1	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-05-11	rnd 4	type Standard	result 1
		Opponent Du Toit, J (Janri)				Opponent Du Toit, J (Janri)

#	Games	Start				End
1	3	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Pronk, L (Lyla)				Opponent Pistorius, A (Anabelle)
2	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Le Roux, J (Jan-Henoch)				Opponent Carlysle-Mccallum, J (Jasmin-Lee)
3	1	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-05-11	rnd 4	type Standard	result 1
		Opponent Du Toit, J (Janri)				Opponent Du Toit, J (Janri)

#	Games	Start				End
1	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Fritzpatrick, A (Alenka)				Opponent Fritzpatrick, A (Alenka)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Engelbrecht, A (Amber-Lee)				Opponent Engelbrecht, A (Amber-Lee)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Bester, E (Emelia)				Opponent Bester, E (Emelia)

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	Magana ,K (Kgopotso)	1	1	425	1	1	425	0	0	0	0	0	0
1	Magana ,K (Kgopotso)	1	1438.4	1863.4	1	1275.8	1863.4	0	0	0	0	0	0
2	Sangweni ,A (Anothile)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sangweni ,A (Anothile)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Appel ,J (Jandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Appel ,J (Jandre)	1	1225.3	800.3	1	1223	800.3	0	0	0	0	0	0
4	Msibi ,S (Sinenhlanhla)	1	1	425	1	1	425	0	0	0	0	0	0
4	Msibi ,S (Sinenhlanhla)	1	1365.9	1790.9	1	1389.3	1790.9	0	0	0	0	0	0
5	Coetzee ,L (Lenska)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Coetzee ,L (Lenska)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Ncube ,T (Thembelihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ncube ,T (Thembelihle)	1	1427.9	1002.9	1	1428.4	1002.9	0	0	0	0	0	0
7	Carlysle-Mccallum ,J (Jasmin-Lee)	1	1	425	1	1	425	0	0	0	0	0	0
7	Carlysle-Mccallum ,J (Jasmin-Lee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mathee ,J (Jonet)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mathee ,J (Jonet)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Pistorius ,A (Anabelle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pistorius ,A (Anabelle)	1	1258.6	1683.6	1	1253.9	1683.6	0	0	0	0	0	0
10	Van Der Merwe ,L (Liahne Lizl)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Merwe ,L (Liahne Lizl)	1	1398.5	973.5	1	1393.4	973.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Oosthuizen, L (Leane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms