Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, R (Rhailihn)

Chess SA id

1080137603

FIDE id

Date of birth

2008-07-13 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1464

Item	Main	Standard	Rapid	Blitz
Rating	1369.1	1357.7	1227.4	1200
Raw rating	1369.1	1357.7	1227.4	1200
Weighted rating	1331.3	1312.5	1227.2	1200
Weighted performance	1296.8	1281.1	0	0
Floor	869.1	857.7	727.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	130.3	132.4	159.5	165.8
Highest rating	1369.1 2025-05-05	1357.7 2025-05-05	1292.9 2022-02-01	1200 2018-10-01
Highest raw rating	1369.1 2025-05-05	1357.7 2025-05-05	1227.4 2024-03-01	1200 2024-02-01
Highest weighted rating	1321.6 2025-08-01	1301.3 2025-08-01	1227 2025-08-01	1200 2018-10-01
Highest weighted performance	1369.1 2025-05-05	1352.5 2023-03-01	1292.9 2022-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1369.1	1357.7	1227.4	1200
Analysis
Rating	1369.1	1357.7	1227.4	1200
Raw rating	1369.1	1357.7	1227.4	1200
Weighted rating	1331.3	1312.5	1227.2
Weighted performance	1296.8	1281.1	0
K-factor	36	36	36	36
Floor	869.1	857.7	727.4	700
Max/Min rating change allowed	130.3	132.4	159.5	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	1369.1	1357.7	1227.4	1200
New weighted rating	1335.7	1317.7	1227.3	1200
New weighted performance	1296.3	1280.6	0	0
Temp new rating	1369.1	1357.7	1227.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1369.1	1357.7	1227.4	1200
New K-factor	36	36	36	36
New floor	869.1	857.7	727.4	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	17	11	6
	22	22	0
	10	5	5
	0	0	0
History	65	54	11

Games since
	Main 33	Standard 27		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	16	8.5	53.12	26.6	1425.6	1452.2
Standard	16	8.5	53.12	26.6	1425.6	1452.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	65	33	50.77	6.5	1323.1	1329.7
Standard	54	27	50	0	1329.2	1329.2
Rapid	11	6	54.55	38.6	1293.6	1332.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1369.1	1357.7	1227.4	1200
2025-09-01	1369.1	1357.7	1227.4	1200
2025-08-01	1369.1	1357.7	1227.4	1200
2025-07-01	1369.1	1357.7	1227.4	1200
2025-06-01	1369.1	1357.7	1227.4	1200
2025-05-01	1369.1	1357.7	1227.4	1200
2025-04-01	1357.6	1352.2	1227.4	1200
2025-03-01	1327.5	1312.4	1227.4	1200
2025-02-01	1294.1	1265.5	1227.4	1200
2025-01-01	1294.1	1265.5	1227.4	1200
2024-12-01	1294.1	1265.5	1227.4	1200
2024-11-01	1294.1	1265.5	1227.4	1200
2024-10-01	1294.1	1265.5	1227.4	1200
2024-09-01	1294.1	1265.5	1227.4	1200
2024-08-01	1294.1	1265.5	1227.4	1200
2024-07-01	1294.1	1265.5	1227.4	1200
2024-06-01	1294.1	1265.5	1227.4	1200
2024-08-01	1294.1	1265.5	1227.4	1200
2024-04-01	1294.1	1265.5	1227.4	1200
2024-03-01	1280.1	1244.6	1227.4	1200
2024-02-01	1262	1244.6	1221.6	1200
2024-01-01	1287.1	1271.2	1221.6	1200
2023-12-01	1287.1	1271.2	1221.6	1200
2023-11-01	1287.1	1271.2	1221.6	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	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Cape Winelands Schools - Prestige 2024 (U18 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
5	Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
6	Cape Winelands - Marie Delport Memorial 2024 (Open)	2024-01-27	2024-01-28	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
7	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
8	Cape Winelands Schools Prestige 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
9	Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Marie Delport Memorial 2023 (Open)	2023-01-21	2023-01-21	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
11	Cape Winelands Schools 2022 (U15 Boys)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
12	Worcester Schools Trials 2022 (U15 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 0.5	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Theunissen, U (Ulan)				Opponent Van Heerden, EJ (Ethan Joel)
2	3	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Manjati, K (Kamvalatethu)				Opponent Strydom, MJ (Matthys Jacobus)
3	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Odell, E (Eugene)				Opponent Jones, D (Devon)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 0.5	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Theunissen, U (Ulan)				Opponent Van Heerden, EJ (Ethan Joel)
2	3	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Manjati, K (Kamvalatethu)				Opponent Strydom, MJ (Matthys Jacobus)
3	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Odell, E (Eugene)				Opponent Jones, D (Devon)

#	Games	Start				End
1	5	Tournament Worcester Schools Trials 2022				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2022-02-19	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Labuschagne, J (Juandre)				Opponent Van Der Westhuizen, S (Shaakir)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Wu, J (Jason)				Opponent Wu, J (Jason)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Manjati, K (Kamvalatethu)				Opponent Strydom, MJ (Matthys Jacobus)
2	3	Tournament Worcester Schools Trials 2022				Tournament Worcester Schools Trials 2022
		date 2022-02-19	rnd 3	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Labuschagne, J (Juandre)				Opponent Johnson, L (Liam)
3	2	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Spruit, R (Raegan)				Opponent De Vos, ES (Eustace Steyn)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Manjati, K (Kamvalatethu)				Opponent Strydom, MJ (Matthys Jacobus)
2	2	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Spruit, R (Raegan)				Opponent De Vos, ES (Eustace Steyn)
3	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Valla, D (Dante)				Opponent De Beer, B (Ben)

#	Games	Start				End
1	5	Tournament Worcester Schools Trials 2022				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2022-02-19	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Labuschagne, J (Juandre)				Opponent Van Der Westhuizen, S (Shaakir)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Wu, J (Jason)				Opponent Wu, J (Jason)

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	February ,E (Ethan)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
1	February ,E (Ethan)	4	1464.1	1357.9	4	1474.4	1357.9	0	0	0	0	0	0
2	Van Heerden ,EJ (Ethan Joel)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
2	Van Heerden ,EJ (Ethan Joel)	3	1583.5	1300.1	3	1556.8	1300.1	0	0	0	0	0	0
3	Wu ,J (Jason)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
3	Wu ,J (Jason)	3	1452	1310.3	2	1423.5	1027	1	1332.7	1877	0	0	0
4	Isaacs ,WS (William Samuel)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Isaacs ,WS (William Samuel)	2	1351.1	926.1	2	1368.6	926.1	0	0	0	0	0	0
5	De Vos ,ES (Eustace Steyn)	2	1	0	2	1	0	0	0	0	0	0	0
5	De Vos ,ES (Eustace Steyn)	2	1492.6	1492.6	2	1475.9	1492.6	0	0	0	0	0	0
6	Strydom ,MJ (Matthys Jacobus)	2	1	0	2	1	0	0	0	0	0	0	0
6	Strydom ,MJ (Matthys Jacobus)	2	1479.7	1479.7	2	1462.9	1479.7	0	0	0	0	0	0
7	Valley-Omar ,R (Rameez)	2	2	425	1	1	425	1	1	425	0	0	0
7	Valley-Omar ,R (Rameez)	2	1193.5	1618.5	1	1200	1618.5	1	1200	1618.5	0	0	0
8	Randelhoff ,J (Jordan)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Randelhoff ,J (Jordan)	2	1362.2	1362.2	1	1362.3	1787.2	1	1069	937.2	0	0	0
9	Domingo ,C (Curwin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Domingo ,C (Curwin)	1	1269.8	1269.8	1	1229.2	1269.8	0	0	0	0	0	0
10	Saku ,L (Lisolethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Saku ,L (Lisolethu)	1	1284.8	859.8	1	1302.2	859.8	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

De Lange, R (Rhailihn)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms