Chess South Africa Ratings Database

PLAYER PAGE

Personal

Potgieter, PL (Pieter Liam)

Chess SA id

108089033

FIDE id

Date of birth

2008-12-19 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1449.4	1412.2	1347.7	1200
Raw rating	1449.4	1412.2	1347.7	1200
Weighted rating	1449.4	1412.2	1347.7	1200
Weighted performance	1011.5	923.2	863.1	0
Floor	949.4	912.2	847.7	700
K-factor	32	32	36	36
Min/Max rating change allowed	116.2	122.6	134.3	165.8
Highest rating	1479.5 2023-04-01	1412.2 2024-02-01	1440.2 2020-01-01	1200 2018-10-01
Highest raw rating	1449.4 2024-02-01	1412.2 2024-02-01	1347.7 2024-02-01	1200 2024-02-01
Highest weighted rating	1449.4 2025-03-01	1412.2 2025-03-01	1347.7 2025-02-01	1200 2018-10-01
Highest weighted performance	1479.5 2023-04-01	1381.1 2019-05-01	1440.2 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1449.4	1412.2	1347.7	1200
Analysis
Rating	1449.4	1412.2	1347.7	1200
Raw rating	1449.4	1412.2	1347.7	1200
Weighted rating	1449.4	1412.2	1347.7
Weighted performance	1011.5	923.2	863.1
K-factor	32	32	36	36
Floor	949.4	912.2	847.7	700
Max/Min rating change allowed	116.2	122.6	134.3	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	1449.4	1412.2	1347.7	1200
New weighted rating	1449.4	1412.2	1347.7	1200
New weighted performance	1011	922.7	862.6	0
Temp new rating	1449.4	1412.2	1347.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1449.4	1412.2	1347.7	1200
New K-factor	32	32	36	36
New floor	949.4	912.2	847.7	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	21	11	10
	17	11	6
	15	5	10
History	146	115	31

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Overberg (WOS)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	139	88	63.31	113.1	1187.8	1300.9
Standard	108	64.5	59.72	82.6	1171.2	1253.8
Rapid	31	23.5	75.81	219.4	1245.6	1464.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1449.4	1412.2	1347.7	1200
2025-09-01	1449.4	1412.2	1347.7	1200
2025-08-01	1449.4	1412.2	1347.7	1200
2025-07-01	1449.4	1412.2	1347.7	1200
2025-06-01	1449.4	1412.2	1347.7	1200
2025-05-01	1449.4	1412.2	1347.7	1200
2025-04-01	1449.4	1412.2	1347.7	1200
2025-03-01	1449.4	1412.2	1347.7	1200
2025-02-01	1449.4	1412.2	1347.7	1200
2025-01-01	1449.4	1412.2	1347.7	1200
2024-12-01	1449.4	1412.2	1347.7	1200
2024-11-01	1449.4	1412.2	1347.7	1200
2024-10-01	1449.4	1412.2	1347.7	1200
2024-09-01	1449.4	1412.2	1347.7	1200
2024-08-01	1449.4	1412.2	1347.7	1200
2024-07-01	1449.4	1412.2	1347.7	1200
2024-06-01	1449.4	1412.2	1347.7	1200
2024-08-01	1449.4	1412.2	1347.7	1200
2024-04-01	1449.4	1412.2	1347.7	1200
2024-03-01	1449.4	1412.2	1347.7	1200
2024-02-01	1449.4	1412.2	1347.7	1200
2024-01-01	1449.4	1412.2	1347.7	1200
2023-12-01	1449.4	1412.2	1347.7	1200
2023-11-01	1449.4	1412.2	1347.7	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
2	Overberg High School Closed 2023 (U15 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
3	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	5	Yes	Analysis
4	Overberg Schools Open Tournament 2023 (U16)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
5	The Hermanus Open 2022 (U16)	2022-05-14	2022-05-14	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
6	Western Cape Schools Chess 2022 (U15 Boys)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	4	Yes	Analysis
7	Overberg 2022 (U15 Boys)	2022-03-05	2022-03-05	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
8	Western Cape Schools Championship 2021 (U13 Boys)	2021-10-02	2021-10-02	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
9	Overberg Schools Trials 2021 (U13)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
10	Kleinmond Open 2021 (U14)	2021-04-17	2021-04-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
11	Overberg Closed 2020 (U13 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
12	OCF Open 2020 (U12)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
13	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
14	Overberg Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
15	South African Schools Individuals Chess Championships 2019 (U13 Open)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	3	Yes	Analysis
16	Western Cape Schools Individuals 2019 (U11 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	4	Yes	Analysis
17	Trial 2 Teddy/Toy Tournament 2019 (U12)	2019-04-06	2019-04-06	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
18	Overberg School Chess Close Champs 2019 (U11 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
19	Overberg First Trial 2019 (U12)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
20	South African Junior Team Championships 2018 (U12D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
21	Caledon Open 2018 (U12)	2018-09-29	2018-09-29	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
22	Western Cape Top Schools 2018 (U11 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
23	Overberg 3rd Trial 2018 (U12)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
24	Overberg 2nd Trial 2018 (U12)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
25	Western Cape Schools Individuals 2018 (U11 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	2.5	Yes	Analysis
26	Overberg Schools Closed 2018 (U11 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament Overberg First Trial 2019				Tournament Trial 2 Teddy/Toy Tournament 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-04-06	rnd 1	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Swart, C (Carli)
2	7	Tournament The Hermanus Open 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-05-14	rnd 4	type Rapid	result 0.5	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Lindemann, D (David)				Opponent Beveridge, TG (Talitha)
3	6	Tournament Western Cape Schools Championship 2021				Tournament Overberg 2022
		date 2021-10-02	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 4	type Standard	result 0.5
		Opponent Basson, Z (Zanco)				Opponent Thomas, D (Daniel)

#	Games	Start				End
1	10	Tournament Overberg First Trial 2019				Tournament Trial 2 Teddy/Toy Tournament 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-04-06	rnd 1	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Swart, C (Carli)
2	6	Tournament Trial 2 Teddy/Toy Tournament 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 3	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Beukes, L (Lanique)				Opponent Valentine, L (Luke)
3	5	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Steenekamp, L (Luka)				Opponent Lewendal, E (Eliah)

#	Games	Start				End
1	7	Tournament The Hermanus Open 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-05-14	rnd 4	type Rapid	result 0.5	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Lindemann, D (David)				Opponent Beveridge, TG (Talitha)
2	6	Tournament OCF Open 2020				Tournament Overberg Schools Trials 2021
		date 2020-01-25	rnd 4	type Rapid	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Da Silva, M (Miguel)				Opponent Johnson, G (Gabriella)
3	5	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Bhekani, O (Onako)				Opponent Matinywa, T (Thobani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament The Hermanus Open 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-05-14	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Stander, D (Divan)				Opponent Beveridge, TG (Talitha)
2	6	Tournament Trial 2 Teddy/Toy Tournament 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 3	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Beukes, L (Lanique)				Opponent Valentine, L (Luke)
3	5	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Steenekamp, L (Luka)				Opponent Lewendal, E (Eliah)

#	Games	Start				End
1	6	Tournament Trial 2 Teddy/Toy Tournament 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 3	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Beukes, L (Lanique)				Opponent Valentine, L (Luke)
2	5	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Steenekamp, L (Luka)				Opponent Lewendal, E (Eliah)
3	5	Tournament Overberg First Trial 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-08	rnd 2	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Mayezana, A (Amila)

#	Games	Start				End
1	6	Tournament The Hermanus Open 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-05-14	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Stander, D (Divan)				Opponent Beveridge, TG (Talitha)
2	5	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Bhekani, O (Onako)				Opponent Matinywa, T (Thobani)
3	3	Tournament OCF Open 2020				Tournament Overberg Schools Trials 2021
		date 2020-01-25	rnd 4	type Rapid	result 1	date 2021-09-18	rnd 1	type Rapid	result 1
		Opponent Da Silva, M (Miguel)				Opponent Liebenberg, M (Malan)

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	Bester ,HN (Hugo Nicolaas)	4	4	425	4	4	425	0	0	0	0	0	0
1	Bester ,HN (Hugo Nicolaas)	4	1135.3	1560.3	4	1130.8	1560.3	0	0	0	0	0	0
2	Michaels ,E (Enrico)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Michaels ,E (Enrico)	3	1309.1	1167.5	3	1309.7	1167.5	0	0	0	0	0	0
3	Snyman ,S (Sebastian)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Snyman ,S (Sebastian)	3	1225.9	1367.6	3	1219.7	1367.6	0	0	0	0	0	0
4	Mayezana ,A (Amila)	3	2	141.7	2	2	425	1	0	-425	0	0	0
4	Mayezana ,A (Amila)	3	1138	1279.6	2	1128.8	1563	1	1200	713	0	0	0
5	Valentine ,L (Luke)	3	1.5	0	2	1.5	212.5	1	0	-425	0	0	0
5	Valentine ,L (Luke)	3	1454.1	1454.1	2	1381.9	1666.6	1	1124	1029.1	0	0	0
6	Sonaba ,L (Libhongo)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
6	Sonaba ,L (Libhongo)	3	1225.5	1083.8	2	1190.4	1225.5	1	1200	800.5	0	0	0
7	Hans ,J (Joy)	3	2	141.7	2	1.5	212.5	1	0.5	0	0	0	0
7	Hans ,J (Joy)	3	887.4	1029.1	2	751	1099.9	1	618	887.4	0	0	0
8	Beukes ,L (Lanique)	3	3	425	2	2	425	1	1	425	0	0	0
8	Beukes ,L (Lanique)	3	888.5	1313.5	2	744.8	1313.5	1	710	1313.5	0	0	0
9	Schroeder ,L (Liam)	3	2	141.7	2	1	0	1	1	425	0	0	0
9	Schroeder ,L (Liam)	3	1346.1	1487.8	2	1235.7	1346.1	1	1434.2	1771.1	0	0	0
10	Swart ,A (Arnold)	2	1	0	2	1	0	0	0	0	0	0	0
10	Swart ,A (Arnold)	2	1159.8	1159.8	2	1140.5	1159.8	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

Potgieter, PL (Pieter Liam)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms