Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, L (Luan)

Chess SA id

100006676

FIDE id

Date of birth

2000-10-16 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-04-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1602.4	1637.1	1339.6	1459.7
Raw rating	1602.4	1637.1	1339.6	1459.7
Weighted rating	1562.7	1570.8	1337	1436.2
Weighted performance	1409.9	1456.3	0	0
Floor	1102.4	1137.1	842.8	959.7
K-factor	28	28	36	32
Min/Max rating change allowed	93.5	89	135.9	114.5
Highest rating	1602.4 2025-05-05	1637.1 2025-05-05	1455.1 2024-06-01	1459.7 2025-02-01
Highest raw rating	1602.4 2025-05-05	1637.1 2025-05-05	1342.8 2024-07-01	1459.7 2025-02-01
Highest weighted rating	1537.1 2025-08-01	1533.5 2025-08-01	1331.1 2025-08-01	1419.9 2025-08-01
Highest weighted performance	1598.5 2025-05-05	1626.2 2022-05-01	1455.1 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1602.4	1637.1	1339.6	1459.7
Analysis
Rating	1602.4	1637.1	1339.6	1459.7
Raw rating	1602.4	1637.1	1339.6	1459.7
Weighted rating	1562.7	1570.8	1337
Weighted performance	1409.9	1456.3	0
K-factor	28	28	36	32
Floor	1102.4	1137.1	842.8	959.7
Max/Min rating change allowed	93.5	89	135.9	114.5
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	1602.4	1637.1	1339.6	1459.7
New weighted rating	1569.4	1581.2	1338.1	1439.9
New weighted performance	1400.8	1446.4	0	0
Temp new rating	1602.4	1637.1	1339.6	1459.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1602.4	1637.1	1339.6	1459.7
New K-factor	28	28	36	32
New floor	1102.4	1137.1	842.8	959.7

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	26	11	6	9
	30	24	6	0
	0	0	0	0
	12	12	0	0
	0	0	0	0
History	73	52	12	9

Games since
	Main 56	Standard 35		Rapid 12		Blitz 9
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	636		234		87
Male	572		206		73
Adult	281		105		44
Adult Male	264		100		40
Standard
	RSA		Province		Region
Overall	483		184		69
Male	444		168		58
Adult	230		89		35
Adult Male	216		84		30
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	26	16.5	63.46	114.4	1534.3	1648.7
Standard	11	7.5	68.18	154.5	1557.7	1712.2
Rapid	6	3	50	0	1424.6	1424.6
Blitz	9	6	66.67	141.7	1578.9	1720.6
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	68	40	58.82	75	1542.6	1617.6
Standard	47	28	59.57	81.4	1552.8	1634.1
Rapid	12	6	50	0	1475.6	1475.6
Blitz	9	6	66.67	141.7	1578.9	1720.6

Date	Main	Standard	Rapid	Blitz
2025-11-01	1602.4	1637.1	1339.6	1459.7
2025-09-30	1602.4	1637.1	1339.6	1459.7
2025-09-01	1602.4	1637.1	1339.6	1459.7
2025-08-01	1602.4	1637.1	1339.6	1459.7
2025-07-01	1602.4	1637.1	1339.6	1459.7
2025-06-01	1602.4	1637.1	1339.6	1459.7
2025-05-01	1602.4	1637.1	1339.6	1459.7
2025-04-01	1579.8	1621.9	1339.6	1459.7
2025-03-01	1579.8	1621.9	1339.6	1459.7
2025-02-01	1572.9	1555.8	1342.8	1459.7
2025-01-01	1561.1	1555.8	1342.8	1394.3
2024-12-01	1545.8	1521.6	1342.8	1394.3
2024-11-01	1545.8	1521.6	1342.8	1394.3
2024-10-01	1550	1518.1	1342.8	1394.3
2024-09-01	1550	1518.1	1342.8	1394.3
2024-08-01	1462.2	1413.8	1342.8	1394.3
2024-07-01	1462.2	1413.8	1342.8	1394.3
2024-09-01	1453.6	1413.8	1305.7	1394.3
2024-05-01	1405.8	1337.5	1305.7	1394.3
2024-04-01	1405.8	1337.5	1305.7	1394.3
2024-03-01	1405.8	1337.5	1305.7	1394.3
2024-02-01	1405.8	1337.5	1305.7	1394.3
2024-01-01	1405.8	1337.5	1305.7	1394.3
2023-12-01	1331.2	1337.5	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	Randburg Chess Club New Year Swiss 2025	2025-02-11	2025-04-01	Standard	Johannesburg Metro (GJM)	8	6	3.5	Yes	Analysis
2	JMC Kick Off 2025 (B)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	Randburg Chess Club New Year Rapid 2025	2025-01-28	2025-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
4	Randburg New Year Blitz 2025	2025-01-21	2025-01-21	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Randburg Chess Club New Year Swiss 2025	2025-02-11	2025-04-01	Standard	Johannesburg Metro (GJM)	8	6	3.5	Yes	Analysis
2	JMC Kick Off 2025 (B)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	Randburg Chess Club New Year Rapid 2025	2025-01-28	2025-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
4	Randburg New Year Blitz 2025	2025-01-21	2025-01-21	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
5	Gauteng Inter-Region at UJ 2024 (Adult+Senior)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
6	Randburg Spring Swiss 2024	2024-08-20	2024-10-08	Standard	Johannesburg Metro (GJM)	7	5	3	Yes	Analysis
7	Randburg Chess Club Winter Swiss 2024	2024-06-11	2024-07-30	Standard	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
8	Randburg Autumn Rapid 2024	2024-05-28	2024-06-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
9	Randburg Chess Club Championship 2024	2024-04-09	2024-05-21	Standard	Johannesburg Metro (GJM)	7	7	3.5	Yes	Analysis
10	2022 Blou Bul Open (B)	2022-06-25	2022-06-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
11	USSA Closed 2022 (Open)	2022-05-13	2022-05-15	Standard	Dr Kenneth Kaunda (NWP)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Randburg Autumn Rapid 2024				Tournament Randburg Chess Club Winter Swiss 2024
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2024-07-09	rnd 4	type Standard	result 1
		Opponent Jolliffe, SR (Shaun)				Opponent Hodgson, TF (Timothy)
2	5	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 8	type Blitz	result 1
		Opponent Camphor, L (Latzlo)				Opponent Foley, PJ (Patrick James)
3	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Butler, K (Kayla)				Opponent Mankena, S (Satvik Ram)

#	Games	Start				End
1	7	Tournament Gauteng Inter-Region at UJ 2024				Tournament JMC Kick Off 2025
		date 2024-12-07	rnd 3	type Standard	result 0.5	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Nhlapo, B (Bafana)				Opponent Mankena, S (Satvik Ram)
2	5	Tournament Randburg Chess Club Championship 2024				Tournament Randburg Chess Club Winter Swiss 2024
		date 2024-05-21	rnd 7	type Standard	result 1	date 2024-07-09	rnd 4	type Standard	result 1
		Opponent Mungal, Z (Zoey)				Opponent Hodgson, TF (Timothy)
3	4	Tournament Randburg Chess Club Winter Swiss 2024				Tournament Randburg Spring Swiss 2024
		date 2024-07-23	rnd 6	type Standard	result 0.5	date 2024-09-10	rnd 4	type Standard	result 1
		Opponent Snyckers, A (Adam)				Opponent Sinha, A (Anurag)

#	Games	Start				End
1	4	Tournament Randburg Autumn Rapid 2024				Tournament Randburg Chess Club New Year Rapid 2025
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2025-01-28	rnd 1	type Rapid	result 1
		Opponent Jolliffe, SR (Shaun)				Opponent Ahmid, K (Kaleem)
2	2	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Chess Club New Year Rapid 2025
		date 2025-02-04	rnd 4	type Rapid	result 1	date 2025-02-04	rnd 5	type Rapid	result 1
		Opponent Camphor, L (Latzlo)				Opponent Nzuza, M (Mduduzi)
3	1	Tournament Randburg Autumn Rapid 2024				Tournament Randburg Autumn Rapid 2024
		date 2024-05-28	rnd 1	type Rapid	result 1	date 2024-05-28	rnd 1	type Rapid	result 1
		Opponent Mungal, E (Ethan)				Opponent Mungal, E (Ethan)

#	Games	Start				End
1	5	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 8	type Blitz	result 1
		Opponent Camphor, L (Latzlo)				Opponent Foley, PJ (Patrick James)
2	1	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 1	type Blitz	result 1	date 2025-01-21	rnd 1	type Blitz	result 1
		Opponent Tshituka, N (Naisvic)				Opponent Tshituka, N (Naisvic)

#	Games	Start				End
1	5	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 8	type Blitz	result 1
		Opponent Camphor, L (Latzlo)				Opponent Foley, PJ (Patrick James)
2	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Butler, K (Kayla)				Opponent Mankena, S (Satvik Ram)
3	3	Tournament Randburg Chess Club New Year Swiss 2025				Tournament Randburg Chess Club New Year Swiss 2025
		date 2025-02-11	rnd 1	type Standard	result 1	date 2025-02-25	rnd 3	type Standard	result 1
		Opponent Luchies, M (Maria)				Opponent Conradie, D (Dirk)

#	Games	Start				End
1	6	Tournament Gauteng Inter-Region at UJ 2024				Tournament JMC Kick Off 2025
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Minnaar, F (Frans)				Opponent Mankena, S (Satvik Ram)
2	3	Tournament Randburg Chess Club New Year Swiss 2025				Tournament Randburg Chess Club New Year Swiss 2025
		date 2025-02-11	rnd 1	type Standard	result 1	date 2025-02-25	rnd 3	type Standard	result 1
		Opponent Luchies, M (Maria)				Opponent Conradie, D (Dirk)
3	3	Tournament Randburg Chess Club Winter Swiss 2024				Tournament Randburg Spring Swiss 2024
		date 2024-07-30	rnd 7	type Standard	result 1	date 2024-09-10	rnd 4	type Standard	result 1
		Opponent Pillay, N (Nico)				Opponent Sinha, A (Anurag)

#	Games	Start				End
1	2	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Chess Club New Year Rapid 2025
		date 2025-02-04	rnd 4	type Rapid	result 1	date 2025-02-04	rnd 5	type Rapid	result 1
		Opponent Camphor, L (Latzlo)				Opponent Nzuza, M (Mduduzi)
2	1	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Chess Club New Year Rapid 2025
		date 2025-01-28	rnd 1	type Rapid	result 1	date 2025-01-28	rnd 1	type Rapid	result 1
		Opponent Ahmid, K (Kaleem)				Opponent Ahmid, K (Kaleem)
3	1	Tournament Randburg Autumn Rapid 2024				Tournament Randburg Autumn Rapid 2024
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2024-06-04	rnd 4	type Rapid	result 1
		Opponent Jolliffe, SR (Shaun)				Opponent Jolliffe, SR (Shaun)

#	Games	Start				End
1	5	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 8	type Blitz	result 1
		Opponent Camphor, L (Latzlo)				Opponent Foley, PJ (Patrick James)
2	1	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 1	type Blitz	result 1	date 2025-01-21	rnd 1	type Blitz	result 1
		Opponent Tshituka, N (Naisvic)				Opponent Tshituka, N (Naisvic)

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	Mendelsohn ,DC (David Charles)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Mendelsohn ,DC (David Charles)	2	1673.1	1460.6	2	1663.8	1460.6	0	0	0	0	0	0
2	Hodgson ,TF (Timothy Fish)	2	2	425	2	2	425	0	0	0	0	0	0
2	Hodgson ,TF (Timothy Fish)	2	1612.9	2037.9	2	1606.8	2037.9	0	0	0	0	0	0
3	Durow ,NL (Neil)	2	1	0	2	1	0	0	0	0	0	0	0
3	Durow ,NL (Neil)	2	1648.1	1648.1	2	1682.9	1648.1	0	0	0	0	0	0
4	Snyckers ,A (Adam)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Snyckers ,A (Adam)	2	1660	1447.5	2	1649.4	1447.5	0	0	0	0	0	0
5	Mungal ,E (Ethan)	2	2	425	1	1	425	1	1	425	0	0	0
5	Mungal ,E (Ethan)	2	1659.7	2084.7	1	1604	2084.7	1	1521	2084.7	0	0	0
6	Tak ,R (Rannveer)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Tak ,R (Rannveer)	2	1627.4	1202.4	1	1622.6	1202.4	1	1495.8	1202.4	0	0	0
7	Conradie ,D (Dirk)	2	2	425	1	1	425	0	0	0	1	1	425
7	Conradie ,D (Dirk)	2	1695.8	2120.9	1	1709.3	2120.9	0	0	0	1	1247.6	2120.9
8	Hempe ,LH (Lilitha Hlomla)	2	0	-425	1	0	-425	0	0	0	1	0	-425
8	Hempe ,LH (Lilitha Hlomla)	2	1861.7	1436.7	1	1913	1436.7	0	0	0	1	1684.7	1436.7
9	Foley ,PJ (Patrick James)	2	1	0	0	0	0	1	0	-425	1	1	425
9	Foley ,PJ (Patrick James)	2	2020.6	2020.6	0	0	0	1	2041	1595.6	1	2041	2445.6
10	Camphor ,L (Latzlo)	2	2	425	0	0	0	1	1	425	1	1	425
10	Camphor ,L (Latzlo)	2	1223.6	1648.6	0	0	0	1	1217.2	1648.6	1	1230	1648.6

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Lange, L (Luan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms