Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muller, J (Jessica)

Chess SA id

202047159

FIDE id

Date of birth

2002-07-28 (Adult)

Gender

Female

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1152	1146.1	659.4	659.4
Raw rating	1152	1146.1	659.4	659.4
Weighted rating	1152	1146.1	659.4	659.4
Weighted performance	272.8	271.8	0	0
Floor	722.4	716.7	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	177.6	179.1	358.2	358.2
Highest rating	1235.1 2019-04-01	1229.3 2019-04-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1222.4 2019-05-01	1216.7 2019-05-01	659.4 2024-02-01	659.4 2024-02-01
Highest weighted rating	1222.4 2024-11-01	1216.7 2024-11-01	659.4 2024-11-01	659.4 2024-11-01
Highest weighted performance	1235.1 2019-04-01	1229.3 2019-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1152	1146.1	659.4	659.4
Analysis
Rating	1152	1146.1	659.4	659.4
Raw rating	1152	1146.1	659.4	659.4
Weighted rating	1152	1146.1	659.4
Weighted performance	272.8	271.8	0
K-factor	36	36	40	40
Floor	722.4	716.7	500	500
Max/Min rating change allowed	177.6	179.1	358.2	358.2
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	1152	1146.1	659.4	659.4
New weighted rating	1152	1146.1	659.4	659.4
New weighted performance	272.4	271.4	0	0
Temp new rating	1152	1146.1	659.4	659.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1152	1146.1	659.4	659.4
New K-factor	36	36	40	40
New floor	722.4	716.7	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	268	265	3

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	89	38	42.7	-62.1	1016.2	954.1
Standard	89	38	42.7	-62.1	1016.2	954.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1152	1146.1	659.4	659.4
2025-09-01	1152	1146.1	659.4	659.4
2025-08-01	1152	1146.1	659.4	659.4
2025-07-01	1152	1146.1	659.4	659.4
2025-06-01	1152	1146.1	659.4	659.4
2025-05-01	1152	1146.1	659.4	659.4
2025-04-01	1152	1146.1	659.4	659.4
2025-03-01	1152	1146.1	659.4	659.4
2025-02-01	1152	1146.1	659.4	659.4
2025-01-01	1152	1146.1	659.4	659.4
2024-12-01	1152	1146.1	659.4	659.4
2024-11-01	1152	1146.1	659.4	659.4
2024-10-01	1152	1146.1	659.4	659.4
2024-09-01	1152	1146.1	659.4	659.4
2024-08-01	1152	1146.1	659.4	659.4
2024-07-01	1152	1146.1	659.4	659.4
2024-06-01	1152	1146.1	659.4	659.4
2024-08-01	1152	1146.1	659.4	659.4
2024-04-01	1152	1146.1	659.4	659.4
2024-03-01	1152	1146.1	659.4	659.4
2024-02-01	1152	1146.1	659.4	659.4
2024-01-01	1152	1146.1	659.4	659.4
2023-12-01	1152	1146.1	659.4	659.4
2023-11-01	1152	1146.1	659.4	659.4

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	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
2	Ehlanzeni Open 2019 (C)	2019-07-20	2019-07-20	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
3	De Goede Top 10 2019 (Senior Girls)	2019-07-03	2019-07-03	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
4	Rob Ferreira 2019 (B)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
5	Curro Open 2019 (U20)	2019-04-12	2019-04-12	Standard	Ehlanzeni (MEN)	5	4	3	Yes	Analysis
6	Uplands Open Age 2019 (U20)	2019-03-09	2019-03-09	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
7	Chess Unlimited Open 2019 (B)	2019-03-02	2019-03-02	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
8	Penryn Age Open 2019 (U18)	2019-02-09	2019-02-09	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
9	Chess Unlimited Open 2019 (C)	2019-01-26	2019-01-26	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
10	South African Junior Team Championships 2018 (U16-U20 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	5	0	Yes	Analysis
11	De Goede Top 20 Closed 2018 (U18 Open)	2018-08-18	2018-08-18	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
12	Curro Age Open 2018 (U18 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	4	1.5	Yes	Analysis
13	Penryn Age Open 2018 (U16+U18 Girls)	2018-04-21	2018-04-21	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
14	Uplands College Open (A)	2018-03-03	2018-03-03	Standard	Ehlanzeni (MEN)	5	4	1	Yes	Analysis
15	Sabie Primary 2018 (A)	2018-03-10	2018-03-10	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis
16	Rob Ferreira Hoerskool Open 2018 (B)	2018-03-17	2018-03-17	Standard	Ehlanzeni (MEN)	5	4	1.5	Yes	Analysis
17	BCM Open 2018 (B)	2018-03-24	2018-03-24	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
18	South African Junior Team Championships 2017 (U18B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament Uplands Open Age 2019				Tournament Rob Ferreira 2019
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 1
		Opponent Mashele, S (Sthandwa)				Opponent Wessels, W (Willie)
2	4	Tournament Rob Ferreira Hoerskool Open 2018				Tournament BCM Open 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-24	rnd 2	type Standard	result 1
		Opponent Devenish, L (Liane)				Opponent Schoeman, D (Dian)
3	3	Tournament Curro Open 2019				Tournament Curro Open 2019
		date 2019-04-12	rnd 3	type Standard	result 1	date 2019-04-12	rnd 5	type Standard	result 1
		Opponent Mathebula, A (Andile)				Opponent Bourn, M (Michael)

#	Games	Start				End
1	5	Tournament Uplands Open Age 2019				Tournament Rob Ferreira 2019
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 1
		Opponent Mashele, S (Sthandwa)				Opponent Wessels, W (Willie)
2	4	Tournament Rob Ferreira Hoerskool Open 2018				Tournament BCM Open 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-24	rnd 2	type Standard	result 1
		Opponent Devenish, L (Liane)				Opponent Schoeman, D (Dian)
3	3	Tournament Curro Open 2019				Tournament Curro Open 2019
		date 2019-04-12	rnd 3	type Standard	result 1	date 2019-04-12	rnd 5	type Standard	result 1
		Opponent Mathebula, A (Andile)				Opponent Bourn, M (Michael)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Curro Open 2019				Tournament Curro Open 2019
		date 2019-04-12	rnd 3	type Standard	result 1	date 2019-04-12	rnd 5	type Standard	result 1
		Opponent Mathebula, A (Andile)				Opponent Bourn, M (Michael)
2	3	Tournament Rob Ferreira 2019				Tournament Rob Ferreira 2019
		date 2019-04-06	rnd 2	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 1
		Opponent Mashile, LH (Lebogang)				Opponent Wessels, W (Willie)
3	3	Tournament Chess Unlimited Open 2019				Tournament Chess Unlimited Open 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, A (Anja)				Opponent Meintjes, CJ (Carel)

#	Games	Start				End
1	3	Tournament Curro Open 2019				Tournament Curro Open 2019
		date 2019-04-12	rnd 3	type Standard	result 1	date 2019-04-12	rnd 5	type Standard	result 1
		Opponent Mathebula, A (Andile)				Opponent Bourn, M (Michael)
2	3	Tournament Rob Ferreira 2019				Tournament Rob Ferreira 2019
		date 2019-04-06	rnd 2	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 1
		Opponent Mashile, LH (Lebogang)				Opponent Wessels, W (Willie)
3	3	Tournament Chess Unlimited Open 2019				Tournament Chess Unlimited Open 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, A (Anja)				Opponent Meintjes, CJ (Carel)

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	Van Der Merwe ,A (Anja)	3	3	425	3	3	425	0	0	0	0	0	0
1	Van Der Merwe ,A (Anja)	3	858.5	1283.5	3	863.3	1283.5	0	0	0	0	0	0
2	Schoeman ,D (Dian)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Schoeman ,D (Dian)	3	782.6	924.3	3	782.6	924.3	0	0	0	0	0	0
3	Lavery ,P (Paddy)	2	1	0	2	1	0	0	0	0	0	0	0
3	Lavery ,P (Paddy)	2	909.1	909.1	2	908.5	909.1	0	0	0	0	0	0
4	Mashele ,S (Sthandwa)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mashele ,S (Sthandwa)	2	1026.6	1026.6	2	1009.4	1026.6	0	0	0	0	0	0
5	Bourn ,M (Michael)	2	2	425	2	2	425	0	0	0	0	0	0
5	Bourn ,M (Michael)	2	997.2	1422.2	2	996.5	1422.2	0	0	0	0	0	0
6	Mokoena ,M (Mandla)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Mokoena ,M (Mandla)	2	982.2	557.2	2	982.2	557.2	0	0	0	0	0	0
7	Sibiya ,S (Sethu)	2	2	425	2	2	425	0	0	0	0	0	0
7	Sibiya ,S (Sethu)	2	682.1	1107.1	2	687.6	1107.1	0	0	0	0	0	0
8	Blom ,W (Wihan)	2	1	0	2	1	0	0	0	0	0	0	0
8	Blom ,W (Wihan)	2	1052.4	1052.4	2	1040.3	1052.4	0	0	0	0	0	0
9	Visser ,JG (Johannes George)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Visser ,JG (Johannes George)	2	1090.6	665.6	2	1092.1	665.6	0	0	0	0	0	0
10	Van Der Watt ,C (Christiaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Van Der Watt ,C (Christiaan)	2	982.6	557.6	2	999	557.6	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

Muller, 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