Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, J (Jaylynn)

Chess SA id

2120310989

FIDE id

Date of birth

2012-07-27 (U16)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1278.2	1281	1211.5	1200
Raw rating	1278.2	1281	1211.5	1200
Weighted rating	1239.6	1245.3	1201.8	1200
Weighted performance	1242.9	0	0	0
Floor	778.2	781	711.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.3	147.7	163.1	165.8
Highest rating	1278.2 2025-11-30	1281 2025-09-01	1211.5 2025-11-30	1200 2024-09-01
Highest raw rating	1278.2 2025-11-30	1281 2025-09-01	1211.5 2025-11-30	1200 2024-09-01
Highest weighted rating	1235 2025-11-30	1225.7 2025-09-01	1200.9 2025-11-30	1200 2024-09-01
Highest weighted performance	1257.4 2025-11-30	1200 2024-09-01	1200 2024-12-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1278.2	1281	1211.5	1200
Analysis
Rating	1278.2	1281	1211.5	1200
Raw rating	1278.2	1281	1211.5	1200
Weighted rating	1239.6	1245.3	1201.8
Weighted performance	1242.9	0	0
K-factor	36	36	36	36
Floor	778.2	781	711.5	700
Max/Min rating change allowed	148.3	147.7	163.1	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	1278.2	1281	1211.5	1200
New weighted rating	1243.9	1249.5	1202.6	1200
New weighted performance	1234.2	0	0	0
Temp new rating	1278.2	1281	1211.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1278.2	1281	1211.5	1200
New K-factor	36	36	36	36
New floor	778.2	781	711.5	700

Item	Main	Standard	Rapid
	0	0	0
	18	13	5
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	24	13	11

Games since
	Main 24	Standard 13		Rapid 11		Blitz 0
Gender	Female
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	18	10.5	58.33	70.8	1293.2	1364.1
Standard	13	8	61.54	98.1	1271.2	1369.3
Rapid	5	2.5	50	0	1350.4	1350.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	13.5	56.25	53.1	1265	1318.1
Standard	13	8	61.54	98.1	1271.2	1369.3
Rapid	11	5.5	50	0	1257.7	1257.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1278.2	1281	1211.5	1200
2025-11-30	1278.2	1281	1211.5	1200
2025-11-01	1269.5	1281	1200	1200
2025-09-30	1269.5	1281	1200	1200
2025-09-01	1269.5	1281	1200	1200
2025-08-01	1244.5	1252.8	1200	1200
2025-07-01	1244.5	1252.8	1200	1200
2025-06-01	1244.5	1252.8	1200	1200
2025-05-01	1244.5	1252.8	1200	1200
2025-04-01	1244.5	1252.8	1200	1200
2025-03-01	1210.4	1213.1	1200	1200
2025-02-01	1199.1	1200	1200	1200
2025-01-01	1197.6	1200	1200	1200
2024-12-01	1197.6	1200	1200	1200
2024-11-01	1197.6	1200	1200	1200
2024-10-01	1197.6	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laerskool George Suid 2025 (Ope)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	5	5	2.5	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U13 Girls + U15 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	4	3	Yes	Analysis
3	Eden Chess Trials 2 2025 (U14)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
4	Eden Schools Chess Trials 1 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Mossel Bay Schools Trials 2 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	4	2	Yes	Analysis
6	Tsogo Sun Moves For Life Learners Tournament 2024 (U13)	2024-08-31	2024-08-31	Rapid	Eden (WEG)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Mossel Bay Schools Trials 2 2025
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent James, R (Ruwayda)				Opponent Botha, B (Bernelee)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pyl, L (Lanchan�)				Opponent Saayman, V (Veronique)
3	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Fillies, K (Kira)				Opponent Fillies, K (Kira)

#	Games	Start				End
1	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pyl, L (Lanchan�)				Opponent Saayman, V (Veronique)
2	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Fillies, K (Kira)				Opponent Fillies, K (Kira)
3	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Ohlson, K (Keagon)				Opponent Ohlson, K (Keagon)

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2024-08-31	rnd 6	type Rapid	result 1
		Opponent James, R (Ruwayda)				Opponent Griffiths, J (Janine)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 2	type Rapid	result 1	date 2024-08-31	rnd 2	type Rapid	result 1
		Opponent Gombani, R (Raspuita)				Opponent Gombani, R (Raspuita)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Mossel Bay Schools Trials 2 2025
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent James, R (Ruwayda)				Opponent Botha, B (Bernelee)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pyl, L (Lanchan�)				Opponent Saayman, V (Veronique)
3	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Fillies, K (Kira)				Opponent Fillies, K (Kira)

#	Games	Start				End
1	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pyl, L (Lanchan�)				Opponent Saayman, V (Veronique)
2	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Fillies, K (Kira)				Opponent Fillies, K (Kira)
3	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Ohlson, K (Keagon)				Opponent Ohlson, K (Keagon)

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2024-08-31	rnd 6	type Rapid	result 1
		Opponent James, R (Ruwayda)				Opponent Griffiths, J (Janine)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 2	type Rapid	result 1	date 2024-08-31	rnd 2	type Rapid	result 1
		Opponent Gombani, R (Raspuita)				Opponent Gombani, R (Raspuita)

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	Griffiths ,J (Janine)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Griffiths ,J (Janine)	2	1197.1	1197.1	1	1200	772.1	1	1200	1622.1	0	0	0
2	Ohlson ,K (Keagon)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ohlson ,K (Keagon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Imange ,T (Tshintsholo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Imange ,T (Tshintsholo)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Van Zyl ,L (Lisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Zyl ,L (Lisa)	1	1388	963	1	1387.1	963	0	0	0	0	0	0
5	Saayman ,V (Veronique)	1	1	425	1	1	425	0	0	0	0	0	0
5	Saayman ,V (Veronique)	1	1368.8	1793.8	1	1347.2	1793.8	0	0	0	0	0	0
6	Benn ,C (Ciara)	1	1	425	1	1	425	0	0	0	0	0	0
6	Benn ,C (Ciara)	1	1388.1	1813.1	1	1379.2	1813.1	0	0	0	0	0	0
7	Douglas ,K (Keyla)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Douglas ,K (Keyla)	1	1410.9	985.9	1	1412.1	985.9	0	0	0	0	0	0
8	Moodie ,A (Ava)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moodie ,A (Ava)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Botha ,B (Bernelee)	1	1	425	1	1	425	0	0	0	0	0	0
9	Botha ,B (Bernelee)	1	1189.9	1614.9	1	1200	1614.9	0	0	0	0	0	0
10	Pyl ,L (Lanchan�)	1	1	425	1	1	425	0	0	0	0	0	0
10	Pyl ,L (Lanchan�)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jacobs, J (Jaylynn)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms