Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nortje, L (Luc)

Chess SA id

1110153986

FIDE id

Date of birth

2011-05-02 (U16)

Gender

Male

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

17.1

Junior GPX Points

1009.6

Item	Main	Standard	Rapid	Blitz
Rating	1237.5	1217.1	1271.9	1200
Raw rating	1125.1	1082.5	1271.9	1200
Weighted rating	1237.5	1217.1	1269.3	1200
Weighted performance	1053.5	1034.1	0	0
Floor	759.6	738.7	771.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.5	196	149.7	165.8
Highest rating	1367.3 2023-06-01	1277 2023-04-01	1466.2 2023-06-01	1200 2018-10-01
Highest raw rating	1259.6 2025-09-01	1238.7 2025-09-01	1271.9 2025-07-01	1200 2024-02-01
Highest weighted rating	1246.4 2025-09-01	1227.7 2025-09-01	1268.6 2025-08-01	1200 2018-10-01
Highest weighted performance	1367.3 2023-06-01	1277 2023-04-01	1466.2 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.6	-10.2	0	0
New rating	1228.9	1206.9	1271.9	1200
Analysis
Rating	1237.5	1217.1	1271.9	1200
Raw rating	1125.1	1082.5	1271.9	1200
Weighted rating	1237.5	1217.1	1269.3
Weighted performance	1053.5	1034.1	0
K-factor	36	36	36	36
Floor	759.6	738.7	771.9	700
Max/Min rating change allowed	184.5	196	149.7	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	1125.1	1082.5	1271.9	1200
New weighted rating	1228.9	1206.9	1269.7	1200
New weighted performance	1053.1	1033.8	0	0
Temp new rating	1228.9	1206.9	1271.9	1200
Temp new rating +/-	-8.6	-10.2	0	0
Final new rating +/-	-8.6	-10.2	0	0
New rating	1228.9	1206.9	1271.9	1200
New K-factor	36	36	36	36
New floor	759.6	738.7	771.9	700

Item	Main	Standard	Rapid
	0	0	0
	20	15	5
	14	9	5
	28	18	10
	0	0	0
	0	0	0
History	62	42	20

Games since
	Main 43	Standard 33		Rapid 10		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3740		1221		199
Male	2853		937		147
U16	605		198		40
U16 Male	424		136		26
Standard
	RSA		Province		Region
Overall	3790		1336		180
Male	2869		1026		138
U16	620		215		37
U16 Male	437		151		25
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-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	20	5	25	-212.5	1297.3	1084.8
Standard	15	2	13.33	-311.7	1318.4	1006.7
Rapid	5	3	60	85	1234.1	1319.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	28	45.16	-41.1	1252.9	1211.7
Standard	42	15	35.71	-121.4	1267.9	1146.5
Rapid	20	13	65	127.5	1221.2	1348.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1125.1	1082.5	1271.9	1200
2025-09-01	1259.6	1238.7	1271.9	1200
2025-08-01	1259.5	1238.2	1271.9	1200
2025-07-01	1259.5	1238.2	1271.9	1200
2025-06-01	1250.8	1238.2	1268.7	1200
2025-05-01	1250.8	1238.2	1268.7	1200
2025-04-01	1250.8	1238.2	1268.7	1200
2025-03-01	1250.8	1238.2	1268.7	1200
2025-02-01	1250.8	1238.2	1268.7	1200
2025-01-01	1250.8	1238.2	1268.7	1200
2024-12-01	1250.8	1238.2	1268.7	1200
2024-11-01	1250.8	1238.2	1268.7	1200
2024-10-01	1250.8	1238.2	1268.7	1200
2024-09-01	1250.8	1238.2	1268.7	1200
2024-08-01	1250.8	1238.2	1268.7	1200
2024-07-01	1219.7	1180.6	1268.7	1200
2024-06-01	1219.7	1180.6	1268.7	1200
2024-08-01	1219.7	1180.6	1268.7	1200
2024-04-01	1219.7	1180.6	1268.7	1200
2024-03-01	1209.1	1180.6	1261.9	1200
2024-02-01	1209.1	1180.6	1261.9	1200
2024-01-01	1209.1	1180.6	1261.9	1200
2023-12-01	1209.1	1180.6	1261.9	1200
2023-11-01	1209.1	1180.6	1261.9	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	East Rand Chess Club Open 2025 (B)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
2	East Rand Chess Club Open 2025 (B)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
3	Chess Power House Aug Open 2025 (C)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Chess Power House Youth Day Rapid 2025 (C)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	East Rand Chess Club Open 2025 (B)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
2	East Rand Chess Club Open 2025 (B)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
3	Chess Power House Aug Open 2025 (C)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Chess Power House Youth Day Rapid 2025 (C)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Ekurhuleni Trails 2 2024 (U14)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
6	EN Chess Club Winter Open 2024 (C)	2024-06-29	2024-06-29	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Benoni Primary School Cluster Individuals 2024 (U13 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	2023 Gauteng Noord (D)	2023-10-14	2023-10-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2023 Tuks Open Chess Tournament (D)	2023-10-07	2023-10-07	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
10	Chess Molecules Rapid 2023 (Grade 5-7)	2023-09-23	2023-09-23	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Chess Power House 2023 (C)	2023-08-19	2023-08-19	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
12	Chess Molecules 16 June Tournament 2023 (Grade 5-7)	2023-06-16	2023-06-16	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
13	Alberton Chess Club Tournament 1 2023 (D)	2023-04-15	2023-04-15	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Power House 2023
		date 2023-06-16	rnd 4	type Rapid	result 1	date 2023-08-19	rnd 3	type Standard	result 1
		Opponent Emmanuel, J (Joshua)				Opponent Muzariri, C (Chiko)
2	3	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 2	type Standard	result 1	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Matamela, M (Mukovhe)				Opponent Cloete, A (Andrew)
3	3	Tournament 2023 Tuks Open Chess Tournament				Tournament 2023 Gauteng Noord
		date 2023-10-07	rnd 5	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Radhakrishnan, A (Abhinav)				Opponent Goncalves, E (Emilio)

#	Games	Start				End
1	3	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 2	type Standard	result 1	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Matamela, M (Mukovhe)				Opponent Cloete, A (Andrew)
2	3	Tournament 2023 Tuks Open Chess Tournament				Tournament 2023 Gauteng Noord
		date 2023-10-07	rnd 5	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Radhakrishnan, A (Abhinav)				Opponent Goncalves, E (Emilio)
3	2	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Siemers, N (Noah)				Opponent Bhomela, O (Owethu)

#	Games	Start				End
1	4	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules Rapid 2023
		date 2023-06-16	rnd 4	type Rapid	result 1	date 2023-09-23	rnd 2	type Rapid	result 1
		Opponent Emmanuel, J (Joshua)				Opponent Cradick, D (Diego)
2	2	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, E (Elrich)				Opponent Solundwana, L (Lunje)
3	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Kumersamy, A (Ayron)				Opponent Mynhardt, L (Liam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Power House 2023
		date 2023-06-16	rnd 4	type Rapid	result 1	date 2023-08-19	rnd 3	type Standard	result 1
		Opponent Emmanuel, J (Joshua)				Opponent Muzariri, C (Chiko)
2	3	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 2	type Standard	result 1	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Matamela, M (Mukovhe)				Opponent Cloete, A (Andrew)
3	3	Tournament 2023 Tuks Open Chess Tournament				Tournament 2023 Gauteng Noord
		date 2023-10-07	rnd 5	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Radhakrishnan, A (Abhinav)				Opponent Goncalves, E (Emilio)

#	Games	Start				End
1	3	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 2	type Standard	result 1	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Matamela, M (Mukovhe)				Opponent Cloete, A (Andrew)
2	3	Tournament 2023 Tuks Open Chess Tournament				Tournament 2023 Gauteng Noord
		date 2023-10-07	rnd 5	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Radhakrishnan, A (Abhinav)				Opponent Goncalves, E (Emilio)
3	2	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Siemers, N (Noah)				Opponent Bhomela, O (Owethu)

#	Games	Start				End
1	4	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules Rapid 2023
		date 2023-06-16	rnd 4	type Rapid	result 1	date 2023-09-23	rnd 2	type Rapid	result 1
		Opponent Emmanuel, J (Joshua)				Opponent Cradick, D (Diego)
2	2	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, E (Elrich)				Opponent Solundwana, L (Lunje)
3	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Kumersamy, A (Ayron)				Opponent Mynhardt, L (Liam)

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	Devereux ,C (Cayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Devereux ,C (Cayden)	2	1292.2	867.2	2	1279.5	867.2	0	0	0	0	0	0
2	Hattingh ,T (Tiaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Hattingh ,T (Tiaan)	2	1357.3	932.3	2	1356.7	932.3	0	0	0	0	0	0
3	Goncalves ,E (Emilio)	2	1	0	2	1	0	0	0	0	0	0	0
3	Goncalves ,E (Emilio)	2	1572.4	1572.4	2	1574.2	1572.4	0	0	0	0	0	0
4	Grootboom ,C (Chante)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Grootboom ,C (Chante)	2	1324.9	899.9	2	1302.2	899.9	0	0	0	0	0	0
5	Nickols ,C (Christi)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Nickols ,C (Christi)	2	1265.5	840.5	2	1272.1	840.5	0	0	0	0	0	0
6	Erasmus ,M (Max)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Erasmus ,M (Max)	2	1300.9	875.9	2	1296.1	875.9	0	0	0	0	0	0
7	Wang ,H (Henry)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Wang ,H (Henry)	2	1246.4	821.4	1	1216.8	821.4	1	1200	821.4	0	0	0
8	Muzariri ,C (Chiko)	1	1	425	1	1	425	0	0	0	0	0	0
8	Muzariri ,C (Chiko)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Gokool ,N (Nishka)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gokool ,N (Nishka)	1	1219.9	794.9	1	1210.4	794.9	0	0	0	0	0	0
10	Thoabala ,M (Mei)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thoabala ,M (Mei)	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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Personal

Nortje, L (Luc)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms