Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, A (Ashlynn)

Chess SA id

2100141760

FIDE id

Date of birth

2010-02-08 (U18)

Gender

Female

Region

Cape Winelands (WCW)

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

Item	Main	Standard	Rapid	Blitz
Rating	1138.2	1139.3	1194.7	1200
Raw rating	1138.2	1139.3	1187.5	1200
Weighted rating	1128.6	1120.8	1194.7	1200
Weighted performance	1062.8	1045.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.1	180.8	168.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1215.4 2023-08-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
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	1215.4 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.9	-16.6	-0.7	0
New rating	1129.3	1122.7	1194	1200
Analysis
Rating	1138.2	1139.3	1194.7	1200
Raw rating	1138.2	1139.3	1187.5	1200
Weighted rating	1128.6	1120.8	1194.7
Weighted performance	1062.8	1045.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	181.1	180.8	168.8	165.8
Games	4	4	0	0
Score	1	1	0	0
Expected score	1.44	1.55	0	0
Score-Expected	-0.44	-0.55	0	0
Temp raw +/-	-15.8	-19.8	0	0
Final raw +/-	-15.8	-19.8	0	0
New raw rating	1122.3	1119.5	1187.5	1200
New weighted rating	1129.3	1122.7	1194	1200
New weighted performance	1046.3	1035.4	0	0
Temp new rating	1129.3	1122.7	1194	1200
Temp new rating +/-	-8.9	-16.6	-0.7	0
Final new rating +/-	-8.9	-16.6	-0.7	0
New rating	1129.3	1122.7	1194	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	44	34	10
	3	3	0
	15	10	5
	14	14	0
	0	0	0
History	76	61	15

Games since
	Main 47	Standard 37		Rapid 10		Blitz 0
Gender	Female
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4421		1493		214
Female	1108		448		77
U16	692		240		38
U16 Female	214		87		15
Standard
	RSA		Province		Region
Overall	4372		1228		176
Female	1102		398		70
U16	700		214		38
U16 Female	207		79		15
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	44	16	36.36	-115.9	1290.8	1174.9
Standard	34	13.5	39.71	-87.5	1275.6	1188.1
Rapid	10	2.5	25	-212.5	1342.4	1129.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	76	24	31.58	-156.6	1268.9	1112.3
Standard	61	19	31.15	-160.2	1257.6	1097.4
Rapid	15	5	33.33	-141.7	1314.6	1173
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1138.2	1139.3	1187.5	1200
2025-11-30	1138.2	1139.3	1187.5	1200
2025-11-01	1138.2	1139.3	1187.5	1200
2025-09-30	1138.2	1139.3	1187.5	1200
2025-09-01	1169.2	1184	1187.5	1200
2025-08-01	1166.5	1184	1198.9	1200
2025-07-01	1166.5	1184	1198.9	1200
2025-06-01	1166.5	1184	1198.8	1200
2025-05-01	1166.5	1184	1196.3	1200
2025-04-01	1161.6	1153.5	1199.2	1200
2025-03-01	1107.2	1086.2	1199.2	1200
2025-02-01	1129.6	1098	1199.2	1200
2025-01-01	1061	1018.8	1199.2	1200
2024-12-01	1061	1018.8	1199.2	1200
2024-11-01	1061	1018.8	1199.2	1200
2024-10-01	1061	1018.8	1199.2	1200
2024-09-01	1061	1018.8	1199.2	1200
2024-11-01	1061	1018.8	1199.2	1200
2024-07-01	1096.2	1061.2	1199.2	1200
2024-06-01	1096.2	1061.2	1199.2	1200
2024-05-01	1096.2	1061.2	1199.2	1200
2024-04-01	1096.2	1061.2	1199.2	1200
2024-03-01	1096.2	1061.2	1199.2	1200
2024-02-01	1096.2	1061.2	1199.2	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (B)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (B)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (B)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U15)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	1	Yes	Analysis
3	Cape Winelands Top Schools 2025 (U15)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
5	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	5	0.5	Yes	Analysis
6	Cape Winelands Schools Prestige 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
7	Cape of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
8	Cape Winelands Schools - Trials 1 2025 (U15 Gils)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
9	Marie Delport Memorial 2025 (Ladies)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
10	Cape Winelands - Top Schools 2024 (U15 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	3	0	Yes	Analysis
11	Western Cape Top Schools 2023 (U13 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	0.5	Yes	Analysis
12	CW Top Schools 2023 (U13 Mix + U13 Girls)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
13	Cape Winelands Schools Chess - Trials 1 2023 (U13 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
14	Western Cape Top Schools 2022 (U13 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
15	Cape Winelands Schools Top Schools 2022 (U13 Mix)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
16	Worcester Primary School League 2022 (U13)	2022-05-21	2022-05-21	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent August, K (Kelsey)				Opponent Solomons, GM (Gabriella Mia)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 5	type Standard	result 1
		Opponent Mazala, A (Asakhe)				Opponent Farmer, P (Perslin)
3	2	Tournament Cape of Good Hope Open 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-23	rnd 6	type Standard	result 0.5	date 2025-03-08	rnd 1	type Standard	result 0.5
		Opponent Fourie, O (Oliver)				Opponent Visser, K (Katie)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent August, K (Kelsey)				Opponent Solomons, GM (Gabriella Mia)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 5	type Standard	result 1
		Opponent Mazala, A (Asakhe)				Opponent Farmer, P (Perslin)
3	2	Tournament Cape of Good Hope Open 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-23	rnd 6	type Standard	result 0.5	date 2025-03-08	rnd 1	type Standard	result 0.5
		Opponent Fourie, O (Oliver)				Opponent Visser, K (Katie)

#	Games	Start				End
1	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 4	type Rapid	result 0.5	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Fourie, X (Xavier)				Opponent Samuels, S (Sachin)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Mare, P (Paul-Jurie)				Opponent Mare, P (Paul-Jurie)
3	1	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 1	type Rapid	result 1
		Opponent Fourie, O (Ockert)				Opponent Fourie, O (Ockert)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 5	type Standard	result 1
		Opponent Mazala, A (Asakhe)				Opponent Farmer, P (Perslin)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 1
		Opponent Rabie, J (Jamie Lee)				Opponent Badenhorst, I (Isabella)
3	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Mare, P (Paul-Jurie)				Opponent Mare, P (Paul-Jurie)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 5	type Standard	result 1
		Opponent Mazala, A (Asakhe)				Opponent Farmer, P (Perslin)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 1
		Opponent Rabie, J (Jamie Lee)				Opponent Badenhorst, I (Isabella)
3	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Solomons, GM (Gabriella Mia)				Opponent Solomons, GM (Gabriella Mia)

#	Games	Start				End
1	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Mare, P (Paul-Jurie)				Opponent Mare, P (Paul-Jurie)
2	1	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 1	type Rapid	result 1
		Opponent Fourie, O (Ockert)				Opponent Fourie, O (Ockert)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 5	type Rapid	result 1	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Samuels, S (Sachin)				Opponent Samuels, S (Sachin)

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	De Beer ,B (Ben)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	De Beer ,B (Ben)	2	1223.1	1010.6	2	1226.6	1010.6	0	0	0	0	0	0
2	Viljoen ,L (Lienka)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Viljoen ,L (Lienka)	2	1366.2	941.2	2	1378.1	941.2	0	0	0	0	0	0
3	Samuels ,A (Alex-John)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Samuels ,A (Alex-John)	2	1194	769	2	1186.3	769	0	0	0	0	0	0
4	Van Rhyn ,R (Remigio)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Van Rhyn ,R (Remigio)	2	1100.1	1312.6	2	1138	1312.6	0	0	0	0	0	0
5	Crotz ,K (Kirsten)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Crotz ,K (Kirsten)	1	1271.1	846.1	1	1199.5	846.1	0	0	0	0	0	0
6	Badenhorst ,I (Isabella)	1	1	425	1	1	425	0	0	0	0	0	0
6	Badenhorst ,I (Isabella)	1	1194	1619	1	1200	1619	0	0	0	0	0	0
7	Liu ,A (Amy)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Liu ,A (Amy)	1	1521.2	1521.2	1	1537	1521.2	0	0	0	0	0	0
8	Liebenberg ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Liebenberg ,J (Jayden)	1	1244.3	819.3	1	1249.8	819.3	0	0	0	0	0	0
9	De Villiers ,L (Lienka)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Villiers ,L (Lienka)	1	1333.3	908.3	1	1338.6	908.3	0	0	0	0	0	0
10	Gordon ,B (Byron)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gordon ,B (Byron)	1	1229.5	804.5	1	1199	804.5	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

Jacobs, A (Ashlynn)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms