Chess South Africa Ratings Database

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Personal

Potgieter, W (Wilmari)

Chess SA id

2100115599

FIDE id

Date of birth

2010-06-18 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1120

Item	Main	Standard	Rapid	Blitz
Rating	1255.8	1263.5	1184.8	1200
Raw rating	1230.6	1232.4	1184.8	1200
Weighted rating	1255.8	1263.5	1184.1	1200
Weighted performance	1070.9	1072.7	0	0
Floor	798.4	813.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.7	158.3	169.5	165.8
Highest rating	1332.2 2023-08-01	1331 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1298.4 2024-06-01	1313.4 2024-06-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1298.4 2025-05-05	1313.4 2025-05-05	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1332.2 2023-08-01	1331 2023-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.4	-3.1	0	0
New rating	1253.4	1260.4	1184.8	1200
Analysis
Rating	1255.8	1263.5	1184.8	1200
Raw rating	1230.6	1232.4	1184.8	1200
Weighted rating	1255.8	1263.5	1184.1
Weighted performance	1070.9	1072.7	0
K-factor	36	36	36	36
Floor	798.4	813.4	700	700
Max/Min rating change allowed	158.7	158.3	169.5	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	1230.6	1232.4	1184.8	1200
New weighted rating	1253.4	1260.4	1184.2	1200
New weighted performance	1069.8	1071.6	0	0
Temp new rating	1253.4	1260.4	1184.8	1200
Temp new rating +/-	-2.4	-3.1	0	0
Final new rating +/-	-2.4	-3.1	0	0
New rating	1253.4	1260.4	1184.8	1200
New K-factor	36	36	36	36
New floor	798.4	813.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	19	19	0
	14	14	0
	22	17	5
	0	0	0
	0	0	0
History	62	57	5

Games since
	Main 38	Standard 33		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3394		1209		464
Female	749		259		102
U16	555		194		70
U16 Female	151		57		18
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	19	7.5	39.47	-89.5	1226	1136.6
Standard	19	7.5	39.47	-89.5	1226	1136.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	31.5	50.81	6.9	1217.5	1224.4
Standard	57	29.5	51.75	14.9	1207.1	1222
Rapid	5	2	40	-85	1336.1	1251.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1230.6	1232.4	1184.8	1200
2025-09-01	1230.6	1232.4	1184.8	1200
2025-08-01	1259.7	1268.4	1184.8	1200
2025-07-01	1261.3	1270.5	1184.8	1200
2025-06-01	1259	1267.5	1184.8	1200
2025-05-01	1261.8	1271.4	1184.8	1200
2025-04-01	1261.6	1271.2	1184.8	1200
2025-03-01	1261.1	1270.7	1184.8	1200
2025-02-01	1259.6	1268.8	1184.8	1200
2025-01-01	1248.2	1251.8	1183.2	1200
2024-12-01	1248.2	1251.8	1183.2	1200
2024-11-01	1248.2	1251.8	1183.2	1200
2024-10-01	1248.2	1251.8	1183.2	1200
2024-09-01	1248.2	1251.8	1183.2	1200
2024-08-01	1248.2	1251.8	1183.2	1200
2024-07-01	1298.4	1313.4	1183.2	1200
2024-06-01	1298.4	1313.4	1183.2	1200
2024-08-01	1270.3	1286.8	1183.2	1200
2024-04-01	1270.3	1286.8	1183.2	1200
2024-03-01	1270.3	1286.8	1183.2	1200
2024-02-01	1270.3	1286.8	1183.2	1200
2024-01-01	1270.3	1286.8	1183.2	1200
2023-12-01	1270.3	1286.8	1183.2	1200
2023-11-01	1270.3	1286.8	1183.2	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	2025 Tshwane North District CLOSED Team Championships (D3) (U15 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U15)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Girls)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North District CLOSED Team Championships (D3) (U15 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U15)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Girls)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2024 Tshwane North School District Cluster 4 & 5 Team League (U15)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
6	2024 Tshwane North School District CLOSED Individual Champioships (U15 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
7	District 3 Cluster 4 and 5 Individuals 2024 (U15 Girls)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	Gauteng Soncini Finals 2023 (Girls)	2023-10-28	2023-10-28	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
9	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
10	2023 Tshwane North School District CLOSED League Championships (D3)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	3	2	2	Yes	Analysis
11	2023 Tshwane North School District CLOSED Individual Championships (D3)	2023-05-13	2023-05-13	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
12	Gauteng Schools Individual Finals 2023 (U13 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
13	Wonderboom Interhuis 2019 (U9)	2019-05-04	2019-05-22	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Strauss, L (Lun�)				Opponent Dlamini, K (Kekeletso Andile)
2	3	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mochoele, K (Khanyisa Modikwe)				Opponent Kritzinger, M (Madeleine)
3	3	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 0.5
		Opponent Kritzinger, M (Madeleine)				Opponent Grobler, A (Amorette)

#	Games	Start				End
1	5	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Strauss, L (Lun�)				Opponent Dlamini, K (Kekeletso Andile)
2	3	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mochoele, K (Khanyisa Modikwe)				Opponent Kritzinger, M (Madeleine)
3	3	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 0.5
		Opponent Kritzinger, M (Madeleine)				Opponent Grobler, A (Amorette)

#	Games	Start				End
1	1	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Machika, L (Lihle)				Opponent Machika, L (Lihle)
2	1	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Maphiri, M (Musandiwa Caroline)				Opponent Maphiri, M (Musandiwa Caroline)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Strauss, L (Lun�)				Opponent Van Der Merwe, A (Adele)
2	2	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Kritzinger, M (Madeleine)				Opponent Pillay, S (Sera)
3	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Rasebotsa, K (Kelebogile)				Opponent Rousseau, B (Bianca)

#	Games	Start				End
1	3	Tournament 2023 Gauteng Top Schools				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2023-08-18	rnd 5	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Greeff, L (Lanelle Leeandra)				Opponent Rousseau, B (Bianca)
2	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Strauss, L (Lun�)				Opponent Van Der Merwe, A (Adele)
3	2	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Kritzinger, M (Madeleine)				Opponent Pillay, S (Sera)

#	Games	Start				End
1	1	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Machika, L (Lihle)				Opponent Machika, L (Lihle)
2	1	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Maphiri, M (Musandiwa Caroline)				Opponent Maphiri, M (Musandiwa Caroline)

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	Raubenheimer ,C (Charne)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Raubenheimer ,C (Charne)	4	1243.7	1031.2	4	1247.2	1031.2	0	0	0	0	0	0
2	Grobler ,A (Amorette)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
2	Grobler ,A (Amorette)	3	1329.1	1045.7	3	1327	1045.7	0	0	0	0	0	0
3	Duursema ,W (Willem)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Duursema ,W (Willem)	2	1363.4	938.4	2	1366.2	938.4	0	0	0	0	0	0
4	Strauss ,L (Lun�)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Strauss ,L (Lun�)	2	1315.4	1527.9	2	1322.1	1527.9	0	0	0	0	0	0
5	Kritzinger ,M (Madeleine)	2	2	425	2	2	425	0	0	0	0	0	0
5	Kritzinger ,M (Madeleine)	2	1208.4	1633.4	2	1208.9	1633.4	0	0	0	0	0	0
6	Mashao ,O (Oratile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mashao ,O (Oratile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Nkosi ,B (Bongiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nkosi ,B (Bongiwe)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Mashaba ,N (Nomusa)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mashaba ,N (Nomusa)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Grundling ,H (Hans-Hugo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Grundling ,H (Hans-Hugo)	1	1110.7	685.7	1	1094.4	685.7	0	0	0	0	0	0
10	Makoba ,A (Atlegang)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Makoba ,A (Atlegang)	1	1163.8	738.8	1	1156.4	738.8	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, W (Wilmari)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms