Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mulder, L (Leah)

Chess SA id

2120301320

FIDE id

Date of birth

2012-11-30 (U14)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

18.5

Junior GPX Points

1294.3

Item	Main	Standard	Rapid	Blitz
Rating	1265.3	1296.3	1194.5	1200
Raw rating	1265.3	1296.3	1169.9	1200
Weighted rating	1237.9	1243.3	1194.5	1200
Weighted performance	1239.8	0	0	0
Floor	816.8	830.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.1	144.6	173.1	165.8
Highest rating	1316.8 2025-07-01	1330.7 2025-07-01	1206.7 2024-03-01	1200 2024-04-01
Highest raw rating	1316.8 2025-07-01	1330.7 2025-07-01	1200 2024-03-01	1200 2024-04-01
Highest weighted rating	1234.3 2025-09-01	1237.3 2025-09-01	1200 2024-03-01	1200 2024-04-01
Highest weighted performance	1252.6 2025-09-01	1204.5 2024-07-01	1206.7 2024-03-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.1	0
New rating	1265.3	1296.3	1192.4	1200
Analysis
Rating	1265.3	1296.3	1194.5	1200
Raw rating	1265.3	1296.3	1169.9	1200
Weighted rating	1237.9	1243.3	1194.5
Weighted performance	1239.8	0	0
K-factor	36	36	36	36
Floor	816.8	830.7	700	700
Max/Min rating change allowed	151.1	144.6	173.1	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	1265.3	1296.3	1169.9	1200
New weighted rating	1241.3	1249	1192.4	1200
New weighted performance	1239.4	0	0	0
Temp new rating	1265.3	1296.3	1192.4	1200
Temp new rating +/-	0	0	-2.1	0
Final new rating +/-	0	0	-2.1	0
New rating	1265.3	1296.3	1192.4	1200
New K-factor	36	36	36	36
New floor	816.8	830.7	700	700

Item	Main	Standard	Rapid
	0	0	0
	22	15	7
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	32	20	12

Games since
	Main 32	Standard 20		Rapid 12		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	22	12	54.55	38.6	1306.5	1345.1
Standard	15	10	66.67	141.7	1292.8	1434.5
Rapid	7	2	28.57	-182.1	1335.7	1153.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	32	16.5	51.56	13.3	1292.2	1305.5
Standard	20	12	60	85	1289.2	1374.2
Rapid	12	4.5	37.5	-106.2	1297.3	1191
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1265.3	1296.3	1169.9	1200
2025-09-01	1265.3	1296.3	1169.9	1200
2025-08-01	1316.8	1330.7	1199.2	1200
2025-07-01	1316.8	1330.7	1199.2	1200
2025-06-01	1266	1273.3	1199.2	1200
2025-05-01	1266	1273.3	1199.2	1200
2025-04-01	1204.4	1200	1199.2	1200
2025-03-01	1204.4	1200	1199.2	1200
2025-02-01	1204.4	1200	1199.2	1200
2025-01-01	1204.4	1200	1198.8	1200
2024-12-01	1204.4	1200	1198.8	1200
2024-11-01	1204.4	1200	1198.8	1200
2024-10-01	1204.4	1200	1198.8	1200
2024-09-01	1204.4	1200	1198.8	1200
2024-08-01	1204.4	1200	1198.8	1200
2024-07-01	1205	1200	1198.8	1200
2024-06-01	1205	1200	1198.8	1200
2024-08-01	1205	1200	1198.8	1200
2024-04-01	1205	1200	1198.8	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 Schools Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U13A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	7	2	Yes	Analysis
3	Ekurhuleni North School District Finals 2025 (U13 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
4	Benoni Primary School Cluster 12 April 2025 (U13 Girls)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U13A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	7	2	Yes	Analysis
3	Ekurhuleni North School District Finals 2025 (U13 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
4	Benoni Primary School Cluster 12 April 2025 (U13 Girls)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	Ekurhuleni Trails 2 2024 (U14)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Benoni Primary School Cluster Individuals 2024 (U13 Girls)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mokonyane, O (Oratile)				Opponent Mokgele, M (Mpilo-Enhle)
2	4	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Du Plessis, L (Lume)				Opponent Mayanga, A (Anita)
3	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Meduric, L (Luka)				Opponent Matsepane, K (Kgotso)

#	Games	Start				End
1	4	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mokonyane, O (Oratile)				Opponent Mokgele, M (Mpilo-Enhle)
2	4	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Du Plessis, L (Lume)				Opponent Mayanga, A (Anita)
3	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Mokonyane, O (Oratile)				Opponent Mokonyane, O (Oratile)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Meduric, L (Luka)				Opponent Meduric, L (Luka)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Mokgele, M (Mpilo-Enhle)				Opponent Mokgele, M (Mpilo-Enhle)
3	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 5	type Rapid	result 0.5	date 2024-03-09	rnd 5	type Rapid	result 0.5
		Opponent Botha, T (Teagan)				Opponent Botha, T (Teagan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mokonyane, O (Oratile)				Opponent Mokgele, M (Mpilo-Enhle)
2	4	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Du Plessis, L (Lume)				Opponent Mayanga, A (Anita)
3	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Meduric, L (Luka)				Opponent Matsepane, K (Kgotso)

#	Games	Start				End
1	4	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mokonyane, O (Oratile)				Opponent Mokgele, M (Mpilo-Enhle)
2	4	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Du Plessis, L (Lume)				Opponent Mayanga, A (Anita)
3	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Mokonyane, O (Oratile)				Opponent Mokonyane, O (Oratile)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Meduric, L (Luka)				Opponent Meduric, L (Luka)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Mokgele, M (Mpilo-Enhle)				Opponent Mokgele, M (Mpilo-Enhle)
3	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Venter, Z (Ziane)				Opponent Venter, Z (Ziane)

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	Jacobs ,L (Lillith)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Jacobs ,L (Lillith)	2	1608.8	1183.8	2	1603.6	1183.8	0	0	0	0	0	0
2	Botha ,R (Rochelle)	2	2	425	2	2	425	0	0	0	0	0	0
2	Botha ,R (Rochelle)	2	1312.7	1737.7	2	1278.3	1737.7	0	0	0	0	0	0
3	Mokonyane ,O (Oratile)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mokonyane ,O (Oratile)	2	1155.3	1580.3	2	1142.9	1580.3	0	0	0	0	0	0
4	Mokgele ,M (Mpilo-Enhle)	2	2	425	1	1	425	1	1	425	0	0	0
4	Mokgele ,M (Mpilo-Enhle)	2	1247.2	1672.2	1	1222.9	1672.2	1	1215.5	1672.2	0	0	0
5	Motloung ,K (Kemoratile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Motloung ,K (Kemoratile)	1	1486.4	1061.4	1	1474.9	1061.4	0	0	0	0	0	0
6	Ngcongolo ,T (Thamsanqa)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ngcongolo ,T (Thamsanqa)	1	1306.7	881.7	1	1309.5	881.7	0	0	0	0	0	0
7	Van Den Heever ,M (Marquis)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Den Heever ,M (Marquis)	1	1263.9	838.9	1	1231.9	838.9	0	0	0	0	0	0
8	Mojapelo ,D (Dakalo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mojapelo ,D (Dakalo)	1	1464.1	1039.1	1	1459.7	1039.1	0	0	0	0	0	0
9	Pillay ,C (Caylee)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pillay ,C (Caylee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Matsepane ,K (Kgotso)	1	1	425	1	1	425	0	0	0	0	0	0
10	Matsepane ,K (Kgotso)	1	1200	1625	1	1200	1625	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

Mulder, L (Leah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms