Chess South Africa Ratings Database

PLAYER PAGE

Personal

Baker, J (Jessica)

Chess SA id

2170193332

FIDE id

Date of birth

2017-01-04 (U10)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

30.5

Junior GPX Points

1156.9

Item	Main	Standard	Rapid	Blitz
Rating	1220.5	1230.4	1196.1	1200
Raw rating	1220.5	1230.4	1196.1	1200
Weighted rating	1173	1176.7	1195.5	1200
Weighted performance	1180.8	1183.5	0	0
Floor	720.5	730.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161	158.8	166.7	165.8
Highest rating	1220.5 2025-08-01	1230.4 2025-08-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1220.5 2025-08-01	1230.4 2025-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1205.1 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1220.5 2025-08-01	1223.2 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1220.5	1230.4	1196.1	1200
Analysis
Rating	1220.5	1230.4	1196.1	1200
Raw rating	1220.5	1230.4	1196.1	1200
Weighted rating	1173	1176.7	1195.5
Weighted performance	1180.8	1183.5	0
K-factor	36	36	36	36
Floor	720.5	730.4	700	700
Max/Min rating change allowed	161	158.8	166.7	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	1220.5	1230.4	1196.1	1200
New weighted rating	1177.3	1181.6	1195.4	1200
New weighted performance	1173.5	1176.1	0	0
Temp new rating	1220.5	1230.4	1196.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1220.5	1230.4	1196.1	1200
New K-factor	36	36	36	36
New floor	720.5	730.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	22	22	0
	26	20	6
	0	0	0
	0	0	0
	0	0	0
History	48	42	6

Games since
	Main 48	Standard 42		Rapid 6		Blitz 0
Gender	Female
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3979		1330		524
Female	930		373		114
U10	367		122		37
U10 Female	84		35		8
Standard
	RSA		Province		Region
Overall	3834		1091		444
Female	881		322		109
U10	344		100		28
U10 Female	71		28		7
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	22	11.5	52.27	19.3	1249.4	1268.8
Standard	22	11.5	52.27	19.3	1249.4	1268.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	20	41.67	-70.8	1213.9	1143.1
Standard	42	17	40.48	-81	1221.5	1140.6
Rapid	6	3	50	0	1160.9	1160.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1220.5	1230.4	1196.1	1200
2025-09-30	1220.5	1230.4	1196.1	1200
2025-09-01	1220.5	1230.4	1196.1	1200
2025-08-01	1220.5	1230.4	1196.1	1200
2025-07-01	1181.8	1184.5	1196.1	1200
2025-06-01	1181.8	1184.5	1196.1	1200
2025-05-01	1197.8	1205.1	1196.1	1200
2025-04-01	1197.8	1205.1	1196.1	1200
2025-03-01	1156.5	1156.2	1196.1	1200
2025-02-01	1141.9	1141.1	1195.4	1200
2025-01-01	1065.7	1062	1184.8	1200
2024-12-01	1124.5	1118.8	1184.8	1200
2024-11-01	1124.5	1118.8	1184.8	1200
2024-10-01	1118	1118.8	1200	1200
2024-09-01	1118	1118.8	1200	1200
2024-08-01	1118	1118.8	1200	1200
2024-07-01	1118	1118.8	1200	1200
2024-09-01	1162.5	1163.6	1200	1200
2024-05-01	1162.5	1163.6	1200	1200
2024-04-01	1162.5	1163.6	1200	1200
2024-03-01	1190.7	1196.8	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Cape Winelands Open 2025 (U10)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
3	CT Metro Schools Individual Closed 2025 (U9 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
4	2025 District Central Schools Chess Individual Trials (U9 Girls)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Open 2025 (U10)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
3	CT Metro Schools Individual Closed 2025 (U9 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
4	2025 District Central Schools Chess Individual Trials (U9 Girls)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
5	Mzansi Interprovincial Youth Chess Championships 2024 (U8+U10 Girls Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	6	1	Yes	Analysis
6	Laerskool Welgemoed Rapid 2024 (U8)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Cape Town Chess Federation Closed Chess Championships 2024 (U8)	2024-06-15	2024-06-15	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
8	Cape Town Metro Schools Chess Closed Individuals 2024 (U7 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
9	CT Metro Central District Schools Chess Individuals Trials 2024 (U7 Boys+Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 1
		Opponent Gordon, P (Priya)				Opponent Erasmus, C (Chloe)
2	3	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 0.5
		Opponent Mashua, R (Rorisang)				Opponent Levin, J (Jessie)
3	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Malherbe, A (Aasha)				Opponent Botha, J (Johann Alexander)

#	Games	Start				End
1	3	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 1
		Opponent Gordon, P (Priya)				Opponent Erasmus, C (Chloe)
2	3	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 0.5
		Opponent Mashua, R (Rorisang)				Opponent Levin, J (Jessie)
3	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Malherbe, A (Aasha)				Opponent Botha, J (Johann Alexander)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Harrington, S (Sawyer)
2	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Koen, E (Emma)				Opponent Koen, E (Emma)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 1
		Opponent Gordon, P (Priya)				Opponent Erasmus, C (Chloe)
2	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Malherbe, A (Aasha)				Opponent Botha, J (Johann Alexander)
3	2	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Harrington, S (Sawyer)

#	Games	Start				End
1	3	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 1
		Opponent Gordon, P (Priya)				Opponent Erasmus, C (Chloe)
2	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Malherbe, A (Aasha)				Opponent Botha, J (Johann Alexander)
3	2	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Mashua, R (Rorisang)				Opponent May, S (Sinelizwi)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Harrington, S (Sawyer)
2	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Koen, E (Emma)				Opponent Koen, E (Emma)

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	Adams ,M (Mariam)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Adams ,M (Mariam)	3	1261.2	836.2	3	1245.3	836.2	0	0	0	0	0	0
2	Whyatt ,C (Charles)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Whyatt ,C (Charles)	2	1178.7	753.7	2	1218.6	753.7	0	0	0	0	0	0
3	Kirthan ,V (Venya)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Kirthan ,V (Venya)	2	1273.7	848.7	2	1324.8	848.7	0	0	0	0	0	0
4	Mashua ,R (Rorisang)	2	2	425	2	2	425	0	0	0	0	0	0
4	Mashua ,R (Rorisang)	2	1207.8	1632.8	2	1210	1632.8	0	0	0	0	0	0
5	Koen ,E (Emma)	2	1	0	1	0	-425	1	1	425	0	0	0
5	Koen ,E (Emma)	2	1193	1193	1	1164	768	1	1191.7	1618	0	0	0
6	Chumpitaz Avila ,J (Jozua)	2	2	425	1	1	425	1	1	425	0	0	0
6	Chumpitaz Avila ,J (Jozua)	2	974.7	1399.7	1	1067.2	1399.7	1	939.6	1399.7	0	0	0
7	Hill ,C (Charles)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Hill ,C (Charles)	2	1151	726	1	1200	726	1	1114.8	726	0	0	0
8	Van Der Westhuizen ,E (Erin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Der Westhuizen ,E (Erin)	1	1255.5	830.5	1	1246.6	830.5	0	0	0	0	0	0
9	Jogee ,N (Nuriya)	1	1	425	1	1	425	0	0	0	0	0	0
9	Jogee ,N (Nuriya)	1	1203.5	1628.5	1	1202.6	1628.5	0	0	0	0	0	0
10	Haupt ,N (Nia)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Haupt ,N (Nia)	1	1279	854	1	1277.1	854	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

Baker, J (Jessica)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms