Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, Z (Zee-Lynne)

Chess SA id

2090130779

FIDE id

Date of birth

2009-08-25 (U18)

Gender

Female

Region

Eden (WEG)

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

1429.2

Item	Main	Standard	Rapid	Blitz
Rating	1448.2	1451	1200	1200
Raw rating	1448.2	1451	1200	1200
Weighted rating	1362.4	1347.7	1200	1200
Weighted performance	1421.7	1411.1	0	0
Floor	948.2	951	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	116.4	116	165.8	165.8
Highest rating	1448.2 2025-09-30	1451 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1448.2 2025-09-30	1451 2025-09-30	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1392.3 2024-03-01	1382.2 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1438.2 2025-09-30	1427.6 2025-09-30	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1448.2	1451	1200	1200
Analysis
Rating	1448.2	1451	1200	1200
Raw rating	1448.2	1451	1200	1200
Weighted rating	1362.4	1347.7	1200
Weighted performance	1421.7	1411.1	0
K-factor	32	32	36	36
Floor	948.2	951	700	700
Max/Min rating change allowed	116.4	116	165.8	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	1448.2	1451	1200	1200
New weighted rating	1370.5	1357.4	1200	1200
New weighted performance	1412.9	1402.4	0	0
Temp new rating	1448.2	1451	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1448.2	1451	1200	1200
New K-factor	32	32	36	36
New floor	948.2	951	700	700

Item	Main	Standard
	0	0
	25	25
	11	11
	22	22
	30	30
	0	0
History	102	102

Games since
	Main 36	Standard 36		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Eden (WEG)
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	1579		433		108
Female	245		80		22
U18	251		65		13
U18 Female	31		10		2
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	25	19.5	78	238	1252.1	1490.1
Standard	25	19.5	78	238	1252.1	1490.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	102	69	67.65	150	1211	1361
Standard	102	69	67.65	150	1211	1361
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1448.2	1451	1200	1200
2025-09-30	1448.2	1451	1200	1200
2025-09-01	1397.1	1389.4	1200	1200
2025-08-01	1373.9	1361.9	1200	1200
2025-07-01	1373.9	1361.9	1200	1200
2025-06-01	1373.9	1361.9	1200	1200
2025-05-01	1373.9	1361.9	1200	1200
2025-04-01	1362.1	1350.4	1200	1200
2025-03-01	1326.7	1305.4	1200	1200
2025-02-01	1327.5	1304.8	1200	1200
2025-01-01	1323.2	1301.5	1200	1200
2024-12-01	1323.2	1301.5	1200	1200
2024-11-01	1323.2	1301.5	1200	1200
2024-10-01	1323.2	1301.5	1200	1200
2024-09-01	1306.2	1277.4	1200	1200
2024-08-01	1306.2	1277.4	1200	1200
2024-07-01	1306.2	1277.4	1200	1200
2024-09-01	1306.2	1277.4	1200	1200
2024-05-01	1306.2	1277.4	1200	1200
2024-04-01	1306.2	1277.4	1200	1200
2024-03-01	1352.5	1334.3	1200	1200
2024-02-01	1352.5	1334.3	1200	1200
2024-01-01	1352.5	1334.3	1200	1200
2023-12-01	1352.5	1334.3	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	Western Cape Schools - Top Schools 2025 (U17 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U18 Girls)	2025-08-02	2025-08-02	Standard	Eden (WEG)	6	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
4	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
5	Eden Schools Chess Trials 1 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Mossel Bay Schools Trials 2 2025 (U17 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	3	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 (U17 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U18 Girls)	2025-08-02	2025-08-02	Standard	Eden (WEG)	6	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
4	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
5	Eden Schools Chess Trials 1 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Mossel Bay Schools Trials 2 2025 (U17 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	Western Cape Top Schools Championship 2024 (U15 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	4.5	Yes	Analysis
8	Eden School Chess Trials 1 2024 (U15 Girls)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
9	Western Cape Top Schools 2023 (U15 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Eden Trials 2+3 2023 (U16)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	4	2.5	Yes	Analysis
11	Eden Trials 2+3 2023 (U14)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	0	0	No	Analysis
12	Eden Trails 1 2023 (U15 Girls)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	4	3	Yes	Analysis
13	Eden Trails 1 2023 (U13 Girls)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	0	0	No	Analysis
14	Mossel Bay Schools Trials 2 2023 (U15 Girls)	2023-02-18	2023-02-18	Standard	Eden (WEG)	5	4	3.5	Yes	Analysis
15	Mossel Bay Schools Trials 1 2023 (U15 Girls)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	3	Yes	Analysis
16	Western Cape Top Schools 2022 (U13 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
17	Eden Topskole 2022 (O13 Dogters)	2022-08-13	2022-08-13	Standard	Eden (WEG)	6	4	4	Yes	Analysis
18	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
19	Eden Proewe 2 2022 (O13 Dogters)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
20	Eden Proewe 1 2022 (O13 Dogters)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
21	Mosselbaai Skole Skaak Proewe 1 2022 (U13 Girls)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	5	4	Yes	Analysis
22	Eden Schools Closed Trials 1 2020 (U11 Girls)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
23	Mossel Bay Trials 2 2020 (U11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
24	Mossel Bay Trials 1 2020 (U11)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	4	2	Yes	Analysis

#	Games	Start				End
1	10	Tournament Mossel Bay Schools Trials 2 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-02-22	rnd 2	type Standard	result 0.5	date 2025-04-26	rnd 1	type Standard	result 1
		Opponent Jansen, G (Gabriella)				Opponent Zinto, NL (Nimange Layla)
2	9	Tournament Mossel Bay Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Titus, J (Jay-Lynn)
3	6	Tournament Mossel Bay Schools Trials 2 2023				Tournament Eden Trails 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Beukes, E (Envo)				Opponent Diamond, J (Jodie)

#	Games	Start				End
1	10	Tournament Mossel Bay Schools Trials 2 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-02-22	rnd 2	type Standard	result 0.5	date 2025-04-26	rnd 1	type Standard	result 1
		Opponent Jansen, G (Gabriella)				Opponent Zinto, NL (Nimange Layla)
2	9	Tournament Mossel Bay Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Titus, J (Jay-Lynn)
3	6	Tournament Mossel Bay Schools Trials 2 2023				Tournament Eden Trails 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Beukes, E (Envo)				Opponent Diamond, J (Jodie)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Mossel Bay Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Titus, J (Jay-Lynn)
2	5	Tournament Eden Topskole 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-13	rnd 2	type Standard	result 1	date 2022-09-16	rnd 1	type Standard	result 1
		Opponent Kennedy, J (Juvante)				Opponent Cloete, L (Leigh-Marcia)
3	3	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Rhenier, R (Roshandre)

#	Games	Start				End
1	9	Tournament Mossel Bay Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Titus, J (Jay-Lynn)
2	5	Tournament Eden Topskole 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-13	rnd 2	type Standard	result 1	date 2022-09-16	rnd 1	type Standard	result 1
		Opponent Kennedy, J (Juvante)				Opponent Cloete, L (Leigh-Marcia)
3	3	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Rhenier, R (Roshandre)

No games found.

#	Games	Start				End

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	Kennedy ,J (Juvante)	3	3	425	3	3	425	0	0	0	0	0	0
1	Kennedy ,J (Juvante)	3	1123	1548	3	1131.9	1548	0	0	0	0	0	0
2	Le Kay ,Y (Yshah)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Le Kay ,Y (Yshah)	3	1325.4	900.4	3	1277.1	900.4	0	0	0	0	0	0
3	Robertson ,M (Melcaylinn)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Robertson ,M (Melcaylinn)	3	1272.9	1414.6	3	1268.4	1414.6	0	0	0	0	0	0
4	Labuschagne ,A (Anke)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Labuschagne ,A (Anke)	3	1291.6	1291.6	3	1271.5	1291.6	0	0	0	0	0	0
5	Wewers ,I (Izelle)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Wewers ,I (Izelle)	2	1259.5	1472	2	1259.5	1472	0	0	0	0	0	0
6	Oosthuizen ,N (Nikita)	2	2	425	2	2	425	0	0	0	0	0	0
6	Oosthuizen ,N (Nikita)	2	1103.4	1528.4	2	1084.6	1528.4	0	0	0	0	0	0
7	Blom ,W (Wafiek)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Blom ,W (Wafiek)	2	1039.7	614.7	2	1019.6	614.7	0	0	0	0	0	0
8	Kenzenie ,K (Keisha)	2	2	425	2	2	425	0	0	0	0	0	0
8	Kenzenie ,K (Keisha)	2	1349.3	1774.3	2	1332.2	1774.3	0	0	0	0	0	0
9	October ,K (Katelin)	2	1	0	2	1	0	0	0	0	0	0	0
9	October ,K (Katelin)	2	1412.8	1412.8	2	1401.4	1412.8	0	0	0	0	0	0
10	Moos ,N (Neith-Lynn)	2	1	0	2	1	0	0	0	0	0	0	0
10	Moos ,N (Neith-Lynn)	2	1184.8	1184.8	2	1185.8	1184.8	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, Z (Zee-Lynne)

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