Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, A (Amiera)

Chess SA id

2150156948

FIDE id

Date of birth

2015-01-20 (U12)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

28.5

Junior GPX Points

1014

Item	Main	Standard	Rapid	Blitz
Rating	1119.4	1025	1188.9	1200
Raw rating	1119.4	1025	1156.2	1200
Weighted rating	1078.1	1021.2	1188.9	1200
Weighted performance	995.6	899.7	1040.6	0
Floor	700	700	750.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	186	212.8	176.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1250.5 2025-09-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1250.5 2025-09-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.5	0
New rating	1119.4	1025	1186.4	1200
Analysis
Rating	1119.4	1025	1188.9	1200
Raw rating	1119.4	1025	1156.2	1200
Weighted rating	1078.1	1021.2	1188.9
Weighted performance	995.6	899.7	1040.6
K-factor	36	36	36	36
Floor	700	700	750.5	700
Max/Min rating change allowed	186	212.8	176.5	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	1119.4	1025	1156.2	1200
New weighted rating	1082	1021.4	1186.4	1200
New weighted performance	989.6	893.9	1034.4	0
Temp new rating	1119.4	1025	1186.4	1200
Temp new rating +/-	0	0	-2.5	0
Final new rating +/-	0	0	-2.5	0
New rating	1119.4	1025	1186.4	1200
New K-factor	36	36	36	36
New floor	700	700	750.5	700

Item	Main	Standard	Rapid
	0	0	0
	41	16	25
	33	16	17
	9	9	0
	0	0	0
	0	0	0
History	83	41	42

Games since
	Main 74	Standard 32		Rapid 42		Blitz 0
Gender	Female
Age group	U12
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4458		1504		222
Female	1143		461		82
U12	763		270		44
U12 Female	245		101		17
Standard
	RSA		Province		Region
Overall	4513		1269		180
Female	1191		428		74
U12	756		208		28
U12 Female	243		89		14
Rapid
	RSA		Province		Region
Overall	1727		854		144
Female	401		214		42
U12	337		180		40
U12 Female	107		62		15
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	41	14.5	35.37	-124.4	1230.3	1105.9
Standard	16	3.5	21.88	-239.1	1231.1	992
Rapid	25	11	44	-51	1229.9	1178.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	83	26	31.33	-158.7	1212.7	1054
Standard	41	7	17.07	-279.9	1215.2	935.3
Rapid	42	19	45.24	-40.5	1210.4	1169.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1119.4	1025	1156.2	1200
2025-09-30	1167.8	1025	1250.5	1200
2025-09-01	1167.8	1025	1250.5	1200
2025-08-01	1059.4	1025	1182.9	1200
2025-07-01	1059.4	1025	1182.9	1200
2025-06-01	1059.4	1025	1182.9	1200
2025-05-01	1059.4	1025	1182.9	1200
2025-04-01	1059.4	1025	1182.9	1200
2025-03-01	1071.2	1043.7	1182.9	1200
2025-02-01	1059.4	1024.1	1182.6	1200
2025-01-01	1050.9	1014.2	1172.6	1200
2024-12-01	1050.9	1014.2	1172.6	1200
2024-11-01	1050.9	1014.2	1172.6	1200
2024-10-01	1050.9	1014.2	1172.6	1200
2024-09-01	1050.9	1014.2	1172.6	1200
2024-08-01	1033.9	987.2	1172.6	1200
2024-07-01	1033.9	987.2	1172.6	1200
2024-09-01	1033.9	987.2	1172.6	1200
2024-05-01	1050.1	998.7	1195.3	1200
2024-04-01	1050.1	998.7	1195.3	1200
2024-03-01	1101.9	1067.5	1188.1	1200
2024-02-01	1086.2	1067.5	1200	1200
2024-01-01	1086.2	1067.5	1200	1200
2023-12-01	1086.2	1067.5	1200	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	Worcester Schools Knock-Out 2025 (U11 Girls)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	5	0	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Cape Winelands Top Schools 2025 (U9+U11)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	4	4	3	Yes	Analysis
4	De Villiers PS 2025 (U10 Boys+Girls)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Cape Winelands Schools Development 2025 (U11 Girls)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
6	Cape Winelands Schools Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
7	Cape Winelands Schools - Trials 1 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Marie Delport Memorial 2025 (U12 Girls)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Worcester Schools Knock-Out 2025 (U11 Girls)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	5	0	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Cape Winelands Top Schools 2025 (U9+U11)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	4	4	3	Yes	Analysis
4	De Villiers PS 2025 (U10 Boys+Girls)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Cape Winelands Schools Development 2025 (U11 Girls)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
6	Cape Winelands Schools Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
7	Cape Winelands Schools - Trials 1 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Marie Delport Memorial 2025 (U12 Girls)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	0.5	Yes	Analysis
9	De Villiers PS Tournament 2024 (U10)	2024-08-17	2024-08-17	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
10	Robertson Strategema Chess May 2024 (U9)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
11	Western Cape PS Individuals Championship 2024 (U9 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	1	Yes	Analysis
12	Brave Knights 2024 (U9)	2024-03-16	2024-03-16	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
13	Cape Winelands Schools - Prestige 2024 (U9 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	0	Yes	Analysis
14	Cape Winelands Schools - PS Trials 1 2024 (U9 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
15	Cape Winelands Open 2023 (U10)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	0	Yes	Analysis
16	Strategema 2023 (Beginners-U9)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Jumbo, D (Dornick)				Opponent Oosthuizen, C (Cornecio)
2	3	Tournament Brave Knights 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Davids, Z (Zain)				Opponent Jordaan, Z (Zoila)
3	2	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Philander, C (Cassian)				Opponent Le Roux, A (Ada)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Takow, S (Sumaya)				Opponent Takow, S (Sumaya)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Erasmus, S (Suzanne)				Opponent Erasmus, S (Suzanne)
3	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Solitswayi, L (Lilitha)				Opponent Solitswayi, L (Lilitha)

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Jumbo, D (Dornick)				Opponent Oosthuizen, C (Cornecio)
2	3	Tournament Brave Knights 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Davids, Z (Zain)				Opponent Kriel, W (Wilhelm)
3	3	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Brave Knights 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Rankin, A (Annibel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Jumbo, D (Dornick)				Opponent Oosthuizen, C (Cornecio)
2	3	Tournament Brave Knights 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Davids, Z (Zain)				Opponent Jordaan, Z (Zoila)
3	2	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Philander, C (Cassian)				Opponent Le Roux, A (Ada)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Takow, S (Sumaya)				Opponent Takow, S (Sumaya)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Erasmus, S (Suzanne)				Opponent Erasmus, S (Suzanne)
3	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Solitswayi, L (Lilitha)				Opponent Solitswayi, L (Lilitha)

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Jumbo, D (Dornick)				Opponent Oosthuizen, C (Cornecio)
2	3	Tournament Brave Knights 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Davids, Z (Zain)				Opponent Kriel, W (Wilhelm)
3	3	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Brave Knights 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Rankin, A (Annibel)

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	Du Toit ,S (Shanika)	4	0	-425	3	0	-425	1	0	-425	0	0	0
1	Du Toit ,S (Shanika)	4	1304.4	879.4	3	1344.3	879.4	1	1215.1	879.4	0	0	0
2	Booysen ,I (Ilya)	3	2	141.7	1	1	425	2	1	0	0	0	0
2	Booysen ,I (Ilya)	3	1143.6	1285.3	1	1155.2	1568.6	2	1192.1	1143.6	0	0	0
3	Loubser ,C (Carin)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Loubser ,C (Carin)	2	1204.2	779.2	2	1204.6	779.2	0	0	0	0	0	0
4	Botha ,L (Leane)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Botha ,L (Leane)	2	1216.6	791.6	2	1180.8	791.6	0	0	0	0	0	0
5	Colyn ,E (Estelanie)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Colyn ,E (Estelanie)	2	1311.3	886.3	2	1267.1	886.3	0	0	0	0	0	0
6	Van Zyl ,M (Maria Elizabeth)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Van Zyl ,M (Maria Elizabeth)	2	1127.8	702.8	2	1140.2	702.8	0	0	0	0	0	0
7	Solitswayi ,L (Lilitha)	2	2	425	1	1	425	1	1	425	0	0	0
7	Solitswayi ,L (Lilitha)	2	1199.4	1624.4	1	1200	1624.4	1	1200	1624.4	0	0	0
8	Edons ,M (Mihandro)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
8	Edons ,M (Mihandro)	2	1203.1	990.6	1	1200	1203.1	1	1273.4	778.1	0	0	0
9	Baadjies ,Q (Qiana)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Baadjies ,Q (Qiana)	2	1094.7	1094.7	1	1033.2	1519.7	1	1196	669.7	0	0	0
10	Adams ,L (Lo-Keisha)	2	1	0	1	0	-425	1	1	425	0	0	0
10	Adams ,L (Lo-Keisha)	2	1104.8	1104.8	1	1200	679.8	1	1036.9	1529.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Visser, A (Amiera)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms