Chess South Africa Ratings Database

PLAYER PAGE

Personal

Potgieter, L (Lian)

Chess SA id

1120118021

FIDE id

Date of birth

2012-10-25 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

23.1

Junior GPX Points

1241.6

Item	Main	Standard	Rapid	Blitz
Rating	1319.8	1251.9	1283.9	1200
Raw rating	1319.8	1251.9	1283.9	1200
Weighted rating	1227.6	1188.9	1214.4	1200
Weighted performance	1292.6	1177.6	1250.5	0
Floor	819.8	751.9	783.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.8	154	147.1	165.8
Highest rating	1319.8 2025-09-01	1251.9 2025-08-01	1283.9 2025-09-01	1200 2018-10-01
Highest raw rating	1319.8 2025-09-01	1251.9 2025-08-01	1283.9 2025-09-01	1200 2024-02-01
Highest weighted rating	1285 2018-10-01	1215.6 2018-10-01	1249 2018-10-01	1200 2018-10-01
Highest weighted performance	1306 2025-09-01	1204.4 2020-01-01	1264 2025-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1319.8	1251.9	1283.9	1200
Analysis
Rating	1319.8	1251.9	1283.9	1200
Raw rating	1319.8	1251.9	1283.9	1200
Weighted rating	1227.6	1188.9	1214.4
Weighted performance	1292.6	1177.6	1250.5
K-factor	36	36	36	36
Floor	819.8	751.9	783.9	700
Max/Min rating change allowed	139.8	154	147.1	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	1319.8	1251.9	1283.9	1200
New weighted rating	1237.6	1195.5	1221.7	1200
New weighted performance	1292.2	1177.2	1250.1	0
Temp new rating	1319.8	1251.9	1283.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1319.8	1251.9	1283.9	1200
New K-factor	36	36	36	36
New floor	819.8	751.9	783.9	700

Item	Main	Standard	Rapid
	0	0	0
	32	15	17
	6	0	6
	24	11	13
	12	6	6
	0	0	0
History	85	37	48

Games since
	Main 38	Standard 15		Rapid 23		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1133		585		106
Male	922		461		78
U14	251		136		27
U14 Male	181		96		18
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	32	20.5	64.06	119.5	1280.6	1400.2
Standard	15	9	60	85	1299	1384
Rapid	17	11.5	67.65	150	1264.4	1414.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	85	41.5	48.82	-10	1243.2	1233.2
Standard	37	17.5	47.3	-23	1258.2	1235.2
Rapid	48	24	50	0	1231.6	1231.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1319.8	1251.9	1283.9	1200
2025-09-01	1319.8	1251.9	1283.9	1200
2025-08-01	1301.9	1251.9	1249	1200
2025-07-01	1280.5	1215.6	1249	1200
2025-06-01	1280.5	1215.6	1249	1200
2025-05-01	1280.5	1215.6	1249	1200
2025-04-01	1285	1215.6	1247.5	1200
2025-03-01	1276.8	1214.3	1247.5	1200
2025-02-01	1147	1138.4	1161.2	1200
2025-01-01	1147	1138.4	1161.2	1200
2024-12-01	1147	1138.4	1161.2	1200
2024-11-01	1147	1138.4	1161.2	1200
2024-10-01	1147	1138.4	1161.2	1200
2024-09-01	1147	1138.4	1161.2	1200
2024-08-01	1147	1138.4	1161.2	1200
2024-07-01	1147	1138.4	1161.2	1200
2024-06-01	1147	1138.4	1161.2	1200
2024-08-01	1147	1138.4	1161.2	1200
2024-04-01	1147	1138.4	1161.2	1200
2024-03-01	1147	1138.4	1161.2	1200
2024-02-01	1140.9	1138.4	1158.4	1200
2024-01-01	1140.9	1138.4	1158.4	1200
2023-12-01	1140.9	1138.4	1158.4	1200
2023-11-01	1140.9	1138.4	1158.4	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	Cape Winelands Top Schools 2025 (U15)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	3	Yes	Analysis
2	Cape Winelands Open 2025 (U14)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
4	Cape Winelands Schools Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Top Schools 2025 (U15)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	3	Yes	Analysis
2	Cape Winelands Open 2025 (U14)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
4	Cape Winelands Schools Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
7	Cape Winelands Schools - PS Trials 1 2024 (U13 Boys)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
8	Western Cape Closed Championship 2023 (U12)	2023-09-23	2023-09-23	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
9	GPCA Rapid 2023 (U12)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
10	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis
11	District East Schools Chess Individual Trials 2023 (U11 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
12	WP Closed 2022 (U12)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
13	2022 East Dist Individuals (U11)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
14	2020 East District Individuals (U9)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
15	Curro Durbanville Chess Tournament 2019 (Junior)	2019-08-24	2019-08-24	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Jooste, M (MG)				Opponent Saul, S (Shuhaigan)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 4	type Rapid	result 0.5
		Opponent Groenewald, C (Christiaan)				Opponent Prinsloo, L (Lyle)
3	3	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-07-19	rnd 5	type Standard	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Sauls, L (Lekisha)				Opponent Liedeman, M (Maaike)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Jooste, M (MG)				Opponent Saul, S (Shuhaigan)
2	3	Tournament WP Closed 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-06-16	rnd 6	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Malase, I (Ithi)				Opponent Tesselaar, M (Mc)
3	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Nel, Z (Zoe)				Opponent Majukumba, M (Misokuhle)

#	Games	Start				End
1	4	Tournament Hermanus Chess Club Open 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Williams, Q (Quelynn)				Opponent Liedeman, M (Maaike)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 4	type Rapid	result 0.5
		Opponent Groenewald, C (Christiaan)				Opponent Prinsloo, L (Lyle)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-04-12	rnd 2	type Rapid	result 1
		Opponent Knapp, L (Liam)				Opponent Wilson, B (Blake)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Jooste, M (MG)				Opponent Saul, S (Shuhaigan)
2	3	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-07-19	rnd 5	type Standard	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Sauls, L (Lekisha)				Opponent Liedeman, M (Maaike)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 3	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Olivier, D (Dian)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Jooste, M (MG)				Opponent Saul, S (Shuhaigan)
2	3	Tournament WP Closed 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-06-16	rnd 6	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Malase, I (Ithi)				Opponent Tesselaar, M (Mc)
3	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Nel, Z (Zoe)				Opponent Majukumba, M (Misokuhle)

#	Games	Start				End
1	4	Tournament Hermanus Chess Club Open 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Williams, Q (Quelynn)				Opponent Liedeman, M (Maaike)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-04-12	rnd 2	type Rapid	result 1
		Opponent Knapp, L (Liam)				Opponent Wilson, B (Blake)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 3	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Olivier, D (Dian)

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	Makumbe ,P (Passion)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Makumbe ,P (Passion)	2	1219.3	794.3	2	1199.6	794.3	0	0	0	0	0	0
2	Koert ,D (Dane)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Koert ,D (Dane)	2	1420.8	995.8	2	1412.6	995.8	0	0	0	0	0	0
3	Edwards ,I (Israel)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Edwards ,I (Israel)	1	1317.9	892.9	1	1298.8	892.9	0	0	0	0	0	0
4	Marinus-Richards ,K (Kiran Reece)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Marinus-Richards ,K (Kiran Reece)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Majukumba ,M (Misokuhle)	1	1	425	1	1	425	0	0	0	0	0	0
5	Majukumba ,M (Misokuhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Roberts ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Roberts ,E (Ethan)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Hagen ,S (Sophia)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hagen ,S (Sophia)	1	1688.4	1263.4	1	1679.8	1263.4	0	0	0	0	0	0
8	Gxogxa ,K (Khoyane)	1	1	425	1	1	425	0	0	0	0	0	0
8	Gxogxa ,K (Khoyane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Geldenhuys ,J (Joshua)	1	1	425	0	0	0	1	1	425	0	0	0
9	Geldenhuys ,J (Joshua)	1	1094.5	1519.5	0	0	0	1	1071.1	1519.5	0	0	0
10	Rudman ,A (Alana)	1	1	425	0	0	0	1	1	425	0	0	0
10	Rudman ,A (Alana)	1	1162.6	1587.6	0	0	0	1	1215.8	1587.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Potgieter, L (Lian)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms