Chess South Africa Ratings Database

PLAYER PAGE

Personal

Knapp, A (Anna)

Chess SA id

2150150065

FIDE id

Date of birth

2015-04-21 (U12)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1280.8

Item	Main	Standard	Rapid	Blitz
Rating	1488.9	1462.4	1408.1	1200
Raw rating	1488.9	1462.4	1408.1	1200
Weighted rating	1470.5	1439.2	1391.1	1200
Weighted performance	1379.7	1340.6	1275.7	0
Floor	998.8	966.2	908.1	700
K-factor	32	32	32	36
Min/Max rating change allowed	109.9	114.1	123.3	165.8
Highest rating	1498.8 2025-04-01	1510.4 2023-08-01	1408.1 2025-03-01	1200 2018-10-01
Highest raw rating	1498.8 2025-04-01	1466.2 2025-04-01	1408.1 2025-03-01	1200 2024-03-01
Highest weighted rating	1459.2 2025-08-01	1427.2 2025-08-01	1379.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1476.4 2025-04-01	1510.4 2023-08-01	1399.8 2024-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1488.9	1462.4	1408.1	1200
Analysis
Rating	1488.9	1462.4	1408.1	1200
Raw rating	1488.9	1462.4	1408.1	1200
Weighted rating	1470.5	1439.2	1391.1
Weighted performance	1379.7	1340.6	1275.7
K-factor	32	32	32	36
Floor	998.8	966.2	908.1	700
Max/Min rating change allowed	109.9	114.1	123.3	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	1488.9	1462.4	1408.1	1200
New weighted rating	1473.6	1442.5	1394.2	1200
New weighted performance	1371	1331.6	1267.1	0
Temp new rating	1488.9	1462.4	1408.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1488.9	1462.4	1408.1	1200
New K-factor	32	32	32	36
New floor	998.8	966.2	908.1	700

Item	Main	Standard	Rapid
	0	0	0
	23	11	12
	20	11	9
	37	15	22
	0	0	0
	0	0	0
History	80	37	43

Games since
	Main 43	Standard 22		Rapid 21		Blitz 0
Gender	Female
Age group	U12
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1350		420		17
Female	187		68		4
U12	148		46		3
U12 Female	44		15		2
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	493		251		21
Female	62		33		4
U12	70		40		6
U12 Female	15		10		2
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	23	18	78.26	240.2	1276.8	1517
Standard	11	9	81.82	270.5	1285.3	1555.8
Rapid	12	9	75	212.5	1268.9	1481.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	80	62	77.5	233.8	1234	1467.7
Standard	37	31	83.78	287.2	1234.6	1521.7
Rapid	43	31	72.09	187.8	1233.5	1421.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1488.9	1462.4	1408.1	1200
2025-09-30	1488.9	1462.4	1408.1	1200
2025-09-01	1488.9	1462.4	1408.1	1200
2025-08-01	1488.9	1462.4	1408.1	1200
2025-07-01	1488.9	1462.4	1408.1	1200
2025-06-01	1488.9	1462.4	1408.1	1200
2025-05-01	1498.8	1466.2	1408.1	1200
2025-04-01	1498.8	1466.2	1408.1	1200
2025-03-01	1461.7	1416.7	1408.1	1200
2025-02-01	1453.5	1416.7	1378.2	1200
2025-01-01	1453.5	1416.7	1378.2	1200
2024-12-01	1453.5	1416.7	1378.2	1200
2024-11-01	1453.5	1416.7	1378.2	1200
2024-10-01	1453.5	1416.7	1378.2	1200
2024-09-01	1453.5	1416.7	1378.2	1200
2024-08-01	1453.5	1416.7	1378.2	1200
2024-07-01	1453.5	1416.7	1378.2	1200
2024-09-01	1443.9	1416.7	1349.8	1200
2024-05-01	1420.8	1382.1	1349.8	1200
2024-04-01	1420.8	1382.1	1349.8	1200
2024-03-01	1378.7	1365.5	1277.4	1200
2024-02-01	1378.7	1365.5	1277.4	1200
2024-01-01	1378.7	1365.5	1277.4	1200
2023-12-01	1378.7	1365.5	1277.4	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 Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Overberg Schools - PS Closed 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
3	Overberg Schools - PS Trials (Region 1) 2025 (U11 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
4	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Overberg Schools - PS Closed 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
3	Overberg Schools - PS Trials (Region 1) 2025 (U11 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
4	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Western Cape - Kings and Queens 2024 (Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	4	3	Yes	Analysis
6	Western Cape PS Individuals Championship 2024 (U9 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
7	Overberg Schools - PS Closed 2024 (U9 Girls)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
8	Overberg Schools - PS Trials Region 3 2024 (U9 Girls)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	5	Yes	Analysis
9	Overberg Top Schools 2023 (U7+U9)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
10	Zwelihle Chess Club Rapid 2023 (C)	2023-06-17	2023-06-17	Rapid	Overberg (WOS)	6	5	3.5	Yes	Analysis
11	Western Cape PS Individuals 2023 (U9 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
12	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
13	Overberg School Chess Closed Tournament 2023 (U9 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
14	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
15	Overberg Schools Open Tournament 2023 (U8)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	15	Tournament Zwelihle Chess Club Rapid 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-06-17	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Truter, M (Meike)				Opponent Pieper, N (Nina)
2	8	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Sander, H (Hannah)				Opponent Saayman, B (Barendina)
3	5	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape - Kings and Queens 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-06-08	rnd 4	type Rapid	result 1
		Opponent Tieties, L (Lilanie)				Opponent Steel, L (Lujain)

#	Games	Start				End
1	10	Tournament Western Cape PS Individuals 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-05-05	rnd 4	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Lambrechts, M (Madison)				Opponent Pieper, N (Nina)
2	8	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape Schools Individual Championship 2025
		date 2024-05-05	rnd 5	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Tieties, L (Lilanie)				Opponent Saayman, B (Barendina)
3	5	Tournament Overberg Schools - PS Closed 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-16	rnd 4	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Van Rensburg, A (Aubrielle)				Opponent Africa, F (Faithlynn)

#	Games	Start				End
1	11	Tournament Zwelihle Chess Club Rapid 2023				Tournament Western Cape - Kings and Queens 2024
		date 2023-06-17	rnd 4	type Rapid	result 1	date 2024-06-08	rnd 4	type Rapid	result 1
		Opponent Truter, M (Meike)				Opponent Steel, L (Lujain)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Oosthuizen, D (Daniel)				Opponent Du Plessis, V (Vera)
3	4	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-03-10	rnd 4	type Rapid	result 1
		Opponent Scholtz, M (Miche)				Opponent Mtiki, S (Sesona)

No games found.

#	Games	Start				End

#	Games	Start				End
1	15	Tournament Zwelihle Chess Club Rapid 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-06-17	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Truter, M (Meike)				Opponent Pieper, N (Nina)
2	8	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Sander, H (Hannah)				Opponent Saayman, B (Barendina)
3	5	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape - Kings and Queens 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-06-08	rnd 4	type Rapid	result 1
		Opponent Tieties, L (Lilanie)				Opponent Steel, L (Lujain)

#	Games	Start				End
1	10	Tournament Western Cape PS Individuals 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-05-05	rnd 4	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Lambrechts, M (Madison)				Opponent Pieper, N (Nina)
2	8	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape Schools Individual Championship 2025
		date 2024-05-05	rnd 5	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Tieties, L (Lilanie)				Opponent Saayman, B (Barendina)
3	5	Tournament Overberg Schools - PS Closed 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-16	rnd 4	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Van Rensburg, A (Aubrielle)				Opponent Africa, F (Faithlynn)

#	Games	Start				End
1	11	Tournament Zwelihle Chess Club Rapid 2023				Tournament Western Cape - Kings and Queens 2024
		date 2023-06-17	rnd 4	type Rapid	result 1	date 2024-06-08	rnd 4	type Rapid	result 1
		Opponent Truter, M (Meike)				Opponent Steel, L (Lujain)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Oosthuizen, D (Daniel)				Opponent Du Plessis, V (Vera)
3	4	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-03-10	rnd 4	type Rapid	result 1
		Opponent Scholtz, M (Miche)				Opponent Mtiki, S (Sesona)

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	Mtiki ,S (Sesona)	4	4	425	3	3	425	1	1	425	0	0	0
1	Mtiki ,S (Sesona)	4	1205.2	1630.2	3	1209.6	1630.2	1	1200	1630.2	0	0	0
2	Sander ,H (Hannah)	4	4	425	1	1	425	3	3	425	0	0	0
2	Sander ,H (Hannah)	4	1232.4	1657.4	1	1252.9	1657.4	3	1226.1	1657.4	0	0	0
3	Du Plessis ,V (Vera)	3	3	425	1	1	425	2	2	425	0	0	0
3	Du Plessis ,V (Vera)	3	1245.2	1670.2	1	1269.1	1670.2	2	1202.5	1670.2	0	0	0
4	Du Preez ,A (Anneke)	3	3	425	1	1	425	2	2	425	0	0	0
4	Du Preez ,A (Anneke)	3	1245.8	1670.8	1	1152.4	1670.8	2	1232	1670.8	0	0	0
5	Kotze ,L (Lehandri)	2	2	425	2	2	425	0	0	0	0	0	0
5	Kotze ,L (Lehandri)	2	1179.4	1604.4	2	1205.8	1604.4	0	0	0	0	0	0
6	Pretorius ,S (Sylvie)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Pretorius ,S (Sylvie)	2	1285	1285	1	1312.2	1710	1	1200	860	0	0	0
7	Scholtz ,M (Miche)	2	1	0	1	0	-425	1	1	425	0	0	0
7	Scholtz ,M (Miche)	2	1198.1	1198.1	1	1200	773.1	1	1198	1623.1	0	0	0
8	Meyer ,I (Isabella)	2	2	425	1	1	425	1	1	425	0	0	0
8	Meyer ,I (Isabella)	2	1278.3	1703.3	1	1311.5	1703.3	1	1200	1703.3	0	0	0
9	Ngalo ,E (Entle)	2	1	0	0	0	0	2	1	0	0	0	0
9	Ngalo ,E (Entle)	2	1216.3	1216.3	0	0	0	2	1086.3	1216.3	0	0	0
10	Ntontelo ,O (Oyintando)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ntontelo ,O (Oyintando)	1	1189.9	1614.9	1	1167.3	1614.9	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

Knapp, A (Anna)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms