Chess South Africa Ratings Database

PLAYER PAGE

Personal

Willemse, A (Avah)

Chess SA id

2150139114

FIDE id

Date of birth

2015-12-25 (U12)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1179.1

Item	Main	Standard	Rapid	Blitz
Rating	1325.1	1265.4	1413.9	1200
Raw rating	1325.1	1265.4	1413.9	1200
Weighted rating	1288.8	1207.9	1373.8	1200
Weighted performance	1289.3	1235.9	1324.4	0
Floor	851.1	776.4	913.9	700
K-factor	36	36	32	36
Min/Max rating change allowed	138.8	151.1	122.3	165.8
Highest rating	1380.5 2024-09-01	1287.7 2024-09-01	1417.8 2022-06-01	1200 2018-10-01
Highest raw rating	1351.1 2024-10-01	1276.4 2024-10-01	1413.9 2025-08-01	1200 2024-03-01
Highest weighted rating	1351.1 2025-04-01	1276.4 2018-10-01	1362.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1380.5 2024-09-01	1287.7 2024-09-01	1417.8 2022-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1325.1	1265.4	1413.9	1200
Analysis
Rating	1325.1	1265.4	1413.9	1200
Raw rating	1325.1	1265.4	1413.9	1200
Weighted rating	1288.8	1207.9	1373.8
Weighted performance	1289.3	1235.9	1324.4
K-factor	36	36	32	36
Floor	851.1	776.4	913.9	700
Max/Min rating change allowed	138.8	151.1	122.3	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	1325.1	1265.4	1413.9	1200
New weighted rating	1292.5	1213.5	1378.9	1200
New weighted performance	1288.8	1235.5	1323.9	0
Temp new rating	1325.1	1265.4	1413.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1325.1	1265.4	1413.9	1200
New K-factor	36	36	32	36
New floor	851.1	776.4	913.9	700

Item	Main	Standard	Rapid
	0	0	0
	36	26	10
	48	26	22
	25	4	21
	13	4	9
	0	0	0
History	122	60	62

Games since
	Main 84	Standard 52		Rapid 32		Blitz 0
Gender	Female
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2939		951		90
Female	589		245		27
U12	443		155		17
U12 Female	124		50		8
Standard
	RSA		Province		Region
Overall	3376		959		50
Female	743		280		18
U12	513		149		4
U12 Female	154		55		2
Rapid
	RSA		Province		Region
Overall	455		228		47
Female	51		28		13
U12	60		36		6
U12 Female	12		9		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	36	20	55.56	47.2	1291.4	1338.7
Standard	26	12	46.15	-32.7	1317.8	1285.1
Rapid	10	8	80	255	1223	1478
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	122	70.5	57.79	66.2	1227.1	1293.3
Standard	60	27.5	45.83	-35.4	1252.9	1217.5
Rapid	62	43	69.35	164.5	1202.1	1366.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1325.1	1265.4	1413.9	1200
2025-09-01	1301.2	1216.1	1413.9	1200
2025-08-01	1301.2	1216.1	1413.9	1200
2025-07-01	1280	1216.1	1396.5	1200
2025-06-01	1279.9	1216.1	1396.5	1200
2025-05-01	1274.9	1190.5	1396.5	1200
2025-04-01	1319.8	1235.9	1396.5	1200
2025-03-01	1295.4	1183.4	1396.5	1200
2025-02-01	1263.7	1178.4	1354.9	1200
2025-01-01	1200.7	1131.3	1354.9	1200
2024-12-01	1337.1	1269.9	1354.9	1200
2024-11-01	1351.1	1276.4	1354.9	1200
2024-10-01	1351.1	1276.4	1354.9	1200
2024-09-01	1288.9	1166.8	1354.9	1200
2024-08-01	1252	1166.8	1317.8	1200
2024-07-01	1246.6	1166.8	1320	1200
2024-06-01	1246.6	1166.8	1320	1200
2024-08-01	1266.6	1163.2	1320	1200
2024-04-01	1266.6	1163.2	1320	1200
2024-03-01	1255.2	1163.2	1302.4	1200
2024-02-01	1244.6	1163.2	1288.7	1200
2024-01-01	1244.6	1163.2	1288.7	1200
2023-12-01	1244.6	1163.2	1288.7	1200
2023-11-01	1244.6	1163.2	1288.7	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 - Top Schools 2025 (U11 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	South African Junior Closed Chess Championships 2025 (U10 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	2	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
6	Upper West Coast Presrige 2025 (U11Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U11 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	South African Junior Closed Chess Championships 2025 (U10 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	2	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
6	Upper West Coast Presrige 2025 (U11Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
7	Mzansi Interprovincial Youth Chess Championships 2024 (U10 Girls Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	6	1.5	Yes	Analysis
8	St. Helena Bay Chess Club Open 2024 (B)	2024-12-07	2024-12-07	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
9	PR Booyse Standard Tournament 024 (Development)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U9 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	5	Yes	Analysis
11	Pedro Booyse Top Schools Championships 2024 (U7+U9)	2024-07-20	2024-07-20	Rapid	West Coast (WCU)	7	7	6	Yes	Analysis
12	Pedro Booyse Annual Rapid 2024 (Development)	2024-07-06	2024-07-06	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
13	Western Cape PS Individuals Championship 2024 (U9 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
14	West Coast Schools Chess Prestige Championships 2024 (U9 Girls)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
15	Bo-Weskus Skole Prestige 2024 (O9 Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
16	Western Cape Top Schools 2023 (U9 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	4	3	Yes	Analysis
17	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
18	West Coast Schools Development Championships 2023 (U7 Open+U9 Girls)	2023-04-22	2023-04-22	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
19	PRBCC Closed 2023 (C)	2023-04-15	2023-04-15	Rapid	West Coast (WCU)	6	6	4	Yes	Analysis
20	Bo-Weskus Skole Prestige 2023 (O9 Dogters)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
21	West Coast Schools Chess Grand Challenge 2022 (PS Development)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	0	0	No	Analysis
22	Western Cape Top Schools 2022 (U7 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	6	4	0	Yes	Analysis
23	Bo-Weskus Top Skole 2022 (O7)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	6	6	6	Yes	Analysis
24	Bo Weskus Skole Skaak Prestige (O7 Dogters)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	3	3	1	Yes	Analysis

#	Games	Start				End
1	11	Tournament Pedro Booyse Top Schools Championships 2024				Tournament PR Booyse Standard Tournament 024
		date 2024-07-20	rnd 4	type Rapid	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Kotze, M (Mirah)				Opponent Rhode, R (Rayden)
2	7	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo-Weskus Top Skole 2022
		date 2022-03-19	rnd 3	type Rapid	result 1	date 2022-06-11	rnd 6	type Rapid	result 1
		Opponent Skippers, G (Glenice)				Opponent Cloete, S (Simone)
3	5	Tournament PRBCC Closed 2023				Tournament West Coast Schools Development Championships 2023
		date 2023-04-15	rnd 6	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Julies, A (Anja)				Opponent Skippers, B (Beyonce)

#	Games	Start				End
1	9	Tournament Western Cape PS Individuals Championship 2024				Tournament PR Booyse Standard Tournament 024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Joubert, S (Sumari)				Opponent Rhode, R (Rayden)
2	4	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Wicombe, L (Lynne)				Opponent Norgarb, S (Sophia)
3	3	Tournament South African Junior Closed Chess Championships 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-05	rnd 9	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Simao, A (Arya)				Opponent Mashua, M (Maisha)

#	Games	Start				End
1	8	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Upper West Coast Presrige 2025
		date 2024-07-20	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Kotze, M (Mirah)				Opponent Koopman, P (Percian)
2	8	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-03-19	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 1	type Rapid	result 1
		Opponent Skippers, G (Glenice)				Opponent Logenstein, B (Bevenay)
3	5	Tournament PRBCC Closed 2023				Tournament West Coast Schools Development Championships 2023
		date 2023-04-15	rnd 6	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Julies, A (Anja)				Opponent Skippers, B (Beyonce)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament Pedro Booyse Top Schools Championships 2024				Tournament PR Booyse Standard Tournament 024
		date 2024-07-20	rnd 4	type Rapid	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Kotze, M (Mirah)				Opponent Rhode, R (Rayden)
2	7	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo-Weskus Top Skole 2022
		date 2022-03-19	rnd 3	type Rapid	result 1	date 2022-06-11	rnd 6	type Rapid	result 1
		Opponent Skippers, G (Glenice)				Opponent Cloete, S (Simone)
3	5	Tournament PRBCC Closed 2023				Tournament West Coast Schools Development Championships 2023
		date 2023-04-15	rnd 6	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Julies, A (Anja)				Opponent Skippers, B (Beyonce)

#	Games	Start				End
1	9	Tournament Western Cape PS Individuals Championship 2024				Tournament PR Booyse Standard Tournament 024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Joubert, S (Sumari)				Opponent Rhode, R (Rayden)
2	4	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Wicombe, L (Lynne)				Opponent Norgarb, S (Sophia)
3	3	Tournament South African Junior Closed Chess Championships 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-05	rnd 9	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Simao, A (Arya)				Opponent Mashua, M (Maisha)

#	Games	Start				End
1	8	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Upper West Coast Presrige 2025
		date 2024-07-20	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Kotze, M (Mirah)				Opponent Koopman, P (Percian)
2	8	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-03-19	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 1	type Rapid	result 1
		Opponent Skippers, G (Glenice)				Opponent Logenstein, B (Bevenay)
3	5	Tournament PRBCC Closed 2023				Tournament West Coast Schools Development Championships 2023
		date 2023-04-15	rnd 6	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Julies, A (Anja)				Opponent Skippers, B (Beyonce)

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	Julies ,J (Jazne)	7	6	303.6	2	1	0	5	5	425	0	0	0
1	Julies ,J (Jazne)	7	1138.8	1442.4	2	1157.2	1138.8	5	1138.5	1563.8	0	0	0
2	Van Wyk ,F (Faith)	7	1.5	-242.9	2	0.5	-212.5	5	1	-255	0	0	0
2	Van Wyk ,F (Faith)	7	1423.2	1180.3	2	1482.1	1210.7	5	1445.2	1168.2	0	0	0
3	Swartz ,U (Umaree)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
3	Swartz ,U (Umaree)	4	1296.4	1083.9	3	1274	1154.8	1	1223.6	871.4	0	0	0
4	Skippers ,G (Glenice)	3	3	425	0	0	0	3	3	425	0	0	0
4	Skippers ,G (Glenice)	3	1176.7	1601.7	0	0	0	3	1161.1	1601.7	0	0	0
5	Paulse ,V (Virginia)	3	0	-425	0	0	0	3	0	-425	0	0	0
5	Paulse ,V (Virginia)	3	1214.6	789.6	0	0	0	3	1243.5	789.6	0	0	0
6	Tieties ,L (Lilanie)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
6	Tieties ,L (Lilanie)	3	1133.7	992.1	0	0	0	3	1191.8	992.1	0	0	0
7	Flores ,Z (Zhoe)	2	1	0	2	1	0	0	0	0	0	0	0
7	Flores ,Z (Zhoe)	2	1369.4	1369.4	2	1373.9	1369.4	0	0	0	0	0	0
8	Opperman ,C (Caden)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Opperman ,C (Caden)	2	1147.3	722.3	2	1137.6	722.3	0	0	0	0	0	0
9	Kleinbooi ,R (Riley)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Kleinbooi ,R (Riley)	2	1140.9	715.9	2	1128.4	715.9	0	0	0	0	0	0
10	Kotze ,M (Mirah)	2	2	425	1	1	425	1	1	425	0	0	0
10	Kotze ,M (Mirah)	2	1189.4	1614.4	1	1199	1614.4	1	1132.6	1614.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Willemse, A (Avah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms