Chess South Africa Ratings Database

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Personal

Du Buisson, A (Ava)

Chess SA id

2080138083

FIDE id

Date of birth

2008-11-16 (U18)

Gender

Female

Region

Cape Town (WCT)

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

1222.8

Item	Main	Standard	Rapid	Blitz
Rating	1237.7	1229.3	1194	1200
Raw rating	1237.7	1229.3	1194	1200
Weighted rating	1188.4	1170.4	1194	1200
Weighted performance	1053.2	1042.3	0	0
Floor	795	806.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.1	159	167.2	165.8
Highest rating	1312.5 2023-09-01	1312.2 2023-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1295 2023-10-01	1306.5 2023-10-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1295 2024-03-01	1306.5 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1312.5 2023-09-01	1312.2 2023-09-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1237.7	1229.3	1194	1200
Analysis
Rating	1237.7	1229.3	1194	1200
Raw rating	1237.7	1229.3	1194	1200
Weighted rating	1188.4	1170.4	1194
Weighted performance	1053.2	1042.3	0
K-factor	36	36	36	36
Floor	795	806.5	700	700
Max/Min rating change allowed	157.1	159	167.2	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	1237.7	1229.3	1194	1200
New weighted rating	1191.6	1174.2	1194	1200
New weighted performance	1046.5	1035.6	0	0
Temp new rating	1237.7	1229.3	1194	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1237.7	1229.3	1194	1200
New K-factor	36	36	36	36
New floor	795	806.5	700	700

Item	Main	Standard	Rapid
	0	0	0
	13	13	0
	20	20	0
	23	23	0
	15	5	10
	0	0	0
History	71	61	10

Games since
	Main 33	Standard 33		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3840		1094		445
Female	885		325		110
U18	589		157		59
U18 Female	104		39		16
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	13	5	38.46	-98.1	1306.2	1208.1
Standard	13	5	38.46	-98.1	1306.2	1208.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	71	31	43.66	-53.9	1248.6	1194.7
Standard	61	26.5	43.44	-55.7	1250.8	1195
Rapid	10	4.5	45	-42.5	1235.1	1192.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1237.7	1229.3	1194	1200
2025-09-30	1237.7	1229.3	1194	1200
2025-09-01	1189	1172	1194	1200
2025-08-01	1189	1172	1194	1200
2025-07-01	1189	1172	1194	1200
2025-06-01	1189	1172	1194	1200
2025-05-01	1189	1172	1194	1200
2025-04-01	1189	1172	1194	1200
2025-03-01	1190.4	1174.5	1194	1200
2025-02-01	1189.6	1173	1194	1200
2025-01-01	1131.8	1100.6	1194	1200
2024-12-01	1131.8	1100.6	1194	1200
2024-11-01	1131.8	1100.6	1194	1200
2024-10-01	1131.8	1100.6	1194	1200
2024-09-01	1174.5	1150.6	1194	1200
2024-08-01	1174.5	1150.6	1194	1200
2024-07-01	1174.5	1150.6	1194	1200
2024-09-01	1174.5	1150.6	1194	1200
2024-05-01	1174.5	1150.6	1194	1200
2024-04-01	1174.5	1150.6	1194	1200
2024-03-01	1283.3	1293.5	1194	1200
2024-02-01	1295	1306.5	1194	1200
2024-01-01	1295	1306.5	1194	1200
2023-12-01	1295	1306.5	1194	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 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	3	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U17 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	2	0	Yes	Analysis
3	2025 District Central Schools Chess Individual Trials (U18 Girls)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	2	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 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	3	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U17 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	2	0	Yes	Analysis
3	2025 District Central Schools Chess Individual Trials (U18 Girls)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Western Cape Top Schools Championship 2024 (U18 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	5	5	0	Yes	Analysis
5	Western Cape HS Individuals Championship 2024 (U18 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	5	0	Yes	Analysis
6	Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
7	CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis
8	Western Cape Top Schools 2023 (U15 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	5	Yes	Analysis
9	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
10	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
11	Central District School Trials 2023 (U15 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
12	Metro Rapid 2022 (U15 Girls)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
13	Western Cape Top Schools 2022 (U15 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
14	2022 Central District Individual Trials (U15)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape HS Individuals 2023				Tournament Western Cape Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Maart, M (Mia)				Opponent Van Der Merwe, E (Emma)
2	4	Tournament Western Cape Top Schools 2022				Tournament Metro Rapid 2022
		date 2022-09-17	rnd 3	type Standard	result 0.5	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Benden, I (Isabella)				Opponent Dauya, N (Ngosa)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 6	type Standard	result 1
		Opponent Hector, K (Kida)				Opponent Dreyer, M (Morgan)

#	Games	Start				End
1	6	Tournament Western Cape HS Individuals 2023				Tournament Western Cape Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Maart, M (Mia)				Opponent Van Der Merwe, E (Emma)
2	3	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 3	type Standard	result 0.5	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Benden, I (Isabella)				Opponent Phetheni, A (Axolisiwe)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 6	type Standard	result 1
		Opponent Hector, K (Kida)				Opponent Dreyer, M (Morgan)

#	Games	Start				End
1	2	Tournament 2022 Central District Individual Trials				Tournament Metro Rapid 2022
		date 2022-03-05	rnd 5	type Rapid	result 0.5	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Kalisache, N (Noah)				Opponent Dauya, N (Ngosa)
2	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 5	type Rapid	result 0.5	date 2022-10-22	rnd 5	type Rapid	result 0.5
		Opponent Mzimkhulu, M (Mbali)				Opponent Mzimkhulu, M (Mbali)
3	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Dondolo, O (Oyama)				Opponent Dondolo, O (Oyama)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Western Cape HS Individuals 2023				Tournament Western Cape Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Maart, M (Mia)				Opponent Van Der Merwe, E (Emma)
2	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 6	type Standard	result 1
		Opponent Hector, K (Kida)				Opponent Dreyer, M (Morgan)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Central District School Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Bacela, J (Julia)				Opponent Jacobs, S (Sumayah)

#	Games	Start				End
1	6	Tournament Western Cape HS Individuals 2023				Tournament Western Cape Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Maart, M (Mia)				Opponent Van Der Merwe, E (Emma)
2	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 6	type Standard	result 1
		Opponent Hector, K (Kida)				Opponent Dreyer, M (Morgan)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Central District School Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Bacela, J (Julia)				Opponent Jacobs, S (Sumayah)

#	Games	Start				End
1	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Dondolo, O (Oyama)				Opponent Dondolo, O (Oyama)
2	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Dauya, N (Ngosa)				Opponent Dauya, N (Ngosa)
3	1	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 1	type Rapid	result 1
		Opponent Van Eden, I (Isabella)				Opponent Van Eden, I (Isabella)

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	Dreyer ,M (Morgan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Dreyer ,M (Morgan)	3	1100.5	1242.1	3	1096.9	1242.1	0	0	0	0	0	0
2	Ntabeni ,P (Phelisa)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Ntabeni ,P (Phelisa)	3	1306.6	881.6	3	1284	881.6	0	0	0	0	0	0
3	Moyo ,T (Tsulufelo)	2	1	0	2	1	0	0	0	0	0	0	0
3	Moyo ,T (Tsulufelo)	2	1270.5	1270.5	2	1279.2	1270.5	0	0	0	0	0	0
4	Hart-Davis ,K (Katherine)	2	1	0	2	1	0	0	0	0	0	0	0
4	Hart-Davis ,K (Katherine)	2	1189.8	1189.8	2	1177.7	1189.8	0	0	0	0	0	0
5	Gebu ,S (Sisipho)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Gebu ,S (Sisipho)	2	1360.2	935.2	2	1347.2	935.2	0	0	0	0	0	0
6	Sello ,A (Ashley)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Sello ,A (Ashley)	2	1323.9	898.9	2	1308.6	898.9	0	0	0	0	0	0
7	Mokhele ,Z (Zimi)	2	2	425	2	2	425	0	0	0	0	0	0
7	Mokhele ,Z (Zimi)	2	1027.2	1452.2	2	1119.7	1452.2	0	0	0	0	0	0
8	Michaels ,B (Bernadine)	2	1	0	2	1	0	0	0	0	0	0	0
8	Michaels ,B (Bernadine)	2	1288.6	1288.6	2	1293.8	1288.6	0	0	0	0	0	0
9	Thorpe ,C (Claire)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Thorpe ,C (Claire)	1	1502.3	1077.3	1	1463.8	1077.3	0	0	0	0	0	0
10	Nelson ,OS (Olenka Shai)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nelson ,OS (Olenka Shai)	1	1350.1	925.1	1	1285.3	925.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Buisson, A (Ava)

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms