Chess South Africa Ratings Database

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Personal

Marx, B (Bronwyn)

Chess SA id

2080141822

FIDE id

Date of birth

2008-07-07 (U18)

Gender

Female

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

2025-07-24

Junior GPX Games

43.2

Junior GPX Points

1434.1

Item	Main	Standard	Rapid	Blitz
Rating	1545	1530.5	1292.3	1200
Raw rating	1545	1530.5	1292.3	1200
Weighted rating	1455.3	1442.1	1290.8	1200
Weighted performance	1479.4	1467.2	1010.6	0
Floor	1045	1030.5	792.7	700
K-factor	32	32	36	36
Min/Max rating change allowed	101.4	103.5	145.4	165.8
Highest rating	1545 2025-09-30	1530.5 2025-09-30	1407.6 2022-05-01	1200 2018-10-01
Highest raw rating	1545 2025-09-30	1530.5 2025-09-30	1292.7 2024-03-01	1200 2024-03-01
Highest weighted rating	1536.4 2024-05-01	1521.5 2024-06-01	1292.7 2024-08-01	1200 2018-10-01
Highest weighted performance	1536.4 2025-04-01	1521.5 2023-04-01	1407.6 2022-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1545	1530.5	1292.3	1200
Analysis
Rating	1545	1530.5	1292.3	1200
Raw rating	1545	1530.5	1292.3	1200
Weighted rating	1455.3	1442.1	1290.8
Weighted performance	1479.4	1467.2	1010.6
K-factor	32	32	36	36
Floor	1045	1030.5	792.7	700
Max/Min rating change allowed	101.4	103.5	145.4	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	1545	1530.5	1292.3	1200
New weighted rating	1464.9	1451.4	1290.9	1200
New weighted performance	1478.9	1466.7	1010.1	0
Temp new rating	1545	1530.5	1292.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1545	1530.5	1292.3	1200
New K-factor	32	32	36	36
New floor	1045	1030.5	792.7	700

Item	Main	Standard	Rapid
	0	0	0
	46	41	5
	28	23	5
	62	62	0
	29	12	17
	0	0	0
History	165	138	27

Games since
	Main 85	Standard 75		Rapid 10		Blitz 0
Gender	Female
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	922		112		20
Female	101		10		1
U18	137		18		4
U18 Female	15		1		1
Standard
	RSA		Province		Region
Overall	966		116		21
Female	117		13		2
U18	152		22		6
U18 Female	17		2		1
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	46	32	69.57	166.3	1341.6	1507.9
Standard	41	29	70.73	176.2	1350.8	1527
Rapid	5	3	60	85	1265.8	1350.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	165	105.5	63.94	118.5	1289	1407.5
Standard	138	88	63.77	117	1299.1	1416.1
Rapid	27	17.5	64.81	125.9	1237.6	1363.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1545	1530.5	1292.3	1200
2025-09-01	1529.4	1510.4	1292.3	1200
2025-08-01	1529.4	1510.4	1292.3	1200
2025-07-01	1529.4	1510.4	1292.3	1200
2025-06-01	1529.4	1510.4	1292.3	1200
2025-05-01	1529.4	1510.4	1292.3	1200
2025-04-01	1536.4	1521.5	1292.3	1200
2025-03-01	1496.4	1474.8	1292.3	1200
2025-02-01	1373.8	1365.8	1292.3	1200
2025-01-01	1360.5	1356.9	1284.8	1200
2024-12-01	1360.5	1356.9	1284.8	1200
2024-11-01	1360.5	1356.9	1284.8	1200
2024-10-01	1360.5	1356.9	1284.8	1200
2024-09-01	1344.1	1336.4	1284.8	1200
2024-08-01	1350.6	1336.4	1292.7	1200
2024-07-01	1350.6	1336.4	1292.7	1200
2024-06-01	1354.4	1338.3	1292.7	1200
2024-08-01	1396.9	1390.5	1292.7	1200
2024-04-01	1396.9	1390.5	1292.7	1200
2024-03-01	1396.9	1390.5	1292.7	1200
2024-02-01	1396.9	1390.5	1292.7	1200
2024-01-01	1396.9	1390.5	1292.7	1200
2023-12-01	1396.9	1390.5	1292.7	1200
2023-11-01	1396.9	1390.5	1292.7	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	EC Closed 2025 (U18 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
2	Kouga Mayor's Cup Final 2025 (Open)	2025-04-11	2025-04-12	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
3	Kouga Mayor's Cup 2025 (U17)	2025-03-07	2025-03-08	Standard	Sarah Baartman (ESB)	6	6	4.5	Yes	Analysis
4	SBDCU Trials 5 Makhanda Leg 2025 (U18)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
5	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	SBDCU Trials 3 2025 (U18)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
7	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
8	Back 2 School 2025 (A)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
9	SBD Activation Tournament 2025 (A)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U18 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
2	Kouga Mayor's Cup Final 2025 (Open)	2025-04-11	2025-04-12	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
3	Kouga Mayor's Cup 2025 (U17)	2025-03-07	2025-03-08	Standard	Sarah Baartman (ESB)	6	6	4.5	Yes	Analysis
4	SBDCU Trials 5 Makhanda Leg 2025 (U18)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
5	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	SBDCU Trials 3 2025 (U18)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
7	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
8	Back 2 School 2025 (A)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
9	SBD Activation Tournament 2025 (A)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
10	2024 South Africa National Schools Chess Championship (U18 Girls)	2024-09-27	2024-09-28	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
11	Sarah Baartman District Schools Trials 2024 (U18 Girls)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
12	SBDCU Trial 3 2024 (U18)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
13	Fountains Mall 2024 (Open)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	2.5	Yes	Analysis
14	Spartan Bishops Chess Championships 2024 (Bishops)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
15	Eastern Cape Provincial Individual Championship 2023 (U16 Girls)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	6	5	Yes	Analysis
16	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
17	2023 SA Schools Winter Games (U15 Girls)	2023-07-04	2023-07-06	Standard	West Rand (GWR)	7	7	4.5	Yes	Analysis
18	SBDCU Closed Trials 2023 (U18 Girls)	2023-07-28	2023-07-28	Standard	Sarah Baartman (ESB)	6	6	4.5	Yes	Analysis
19	SBDCU Trial 3 2023 (Open)	2023-06-23	2023-06-24	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
20	2023 EC Schools Provincial Winter Games (U15 Girls)	2023-06-02	2023-06-03	Standard	Buffalo City (EBC)	6	6	5	Yes	Analysis
21	Fountains Mall Open 2023 (A)	2023-05-12	2023-05-13	Standard	Sarah Baartman (ESB)	6	5	1	Yes	Analysis
22	SBDCU Trial 2 2023 (U16)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
23	Kouga Mayor's Cup Finals 2023 (U15)	2023-04-21	2023-04-22	Standard	Sarah Baartman (ESB)	6	5	4	Yes	Analysis
24	Kouga Mayor's Cup 2023 (U15)	2023-04-15	2023-04-15	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
25	SBDCU Trial 1 2023 (U16)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
26	Eatern Cape Provincial Chess Championship 2022 (U16 Girls)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	7	5	Yes	Analysis
27	Bloeisel Fees 2022 (High School)	2022-10-29	2022-10-29	Rapid	Sarah Baartman (ESB)	7	7	4.5	Yes	Analysis
28	SBDCU Trials 2022 (U16)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
29	Sarah Baartman Trials 2022 ( U18 Girls)	2022-05-21	2022-05-21	Rapid	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
30	Humansdorp CMC 2022 (U15 Girls)	2022-05-20	2022-05-20	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament SBDCU Trials 5 Makhanda Leg 2025				Tournament Kouga Mayor's Cup 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 0.5
		Opponent Maerman, L (Luyolo)				Opponent Groener, G (Gladwin)
2	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Stuurman, M (Marvin)				Opponent Booi, J (Junior)
3	5	Tournament Fountains Mall 2024				Tournament SBDCU Trial 3 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-06-01	rnd 3	type Standard	result 1
		Opponent Jacobs, G (Gabriel)				Opponent Geswint, S (Stazlon)

#	Games	Start				End
1	6	Tournament SBDCU Trials 5 Makhanda Leg 2025				Tournament Kouga Mayor's Cup 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 0.5
		Opponent Maerman, L (Luyolo)				Opponent Groener, G (Gladwin)
2	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Stuurman, M (Marvin)				Opponent Booi, J (Junior)
3	5	Tournament Fountains Mall 2024				Tournament SBDCU Trial 3 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-06-01	rnd 3	type Standard	result 1
		Opponent Jacobs, G (Gabriel)				Opponent Geswint, S (Stazlon)

#	Games	Start				End
1	4	Tournament Sarah Baartman Trials 2022				Tournament Bloeisel Fees 2022
		date 2022-05-21	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Mpendu, Z (Zintle)				Opponent Magielies, F (Franklin)
2	3	Tournament Bloeisel Fees 2022				Tournament Sarah Baartman District Schools Trials 2024
		date 2022-10-29	rnd 7	type Rapid	result 1	date 2024-08-03	rnd 2	type Rapid	result 1
		Opponent Claasen, S (Suermin)				Opponent Qhankqashe, Y (Yamkela)
3	3	Tournament Bloeisel Fees 2022				Tournament Bloeisel Fees 2022
		date 2022-10-29	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 0.5
		Opponent Heyels, J (Jasmin)				Opponent Klinkert, C (Cade)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament SBDCU Trials 5 Makhanda Leg 2025				Tournament Kouga Mayor's Cup 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Maerman, L (Luyolo)				Opponent Mbete, Z (Zonke)
2	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Stuurman, M (Marvin)				Opponent Booi, J (Junior)
3	4	Tournament Kouga Mayor's Cup Final 2025				Tournament EC Closed 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Claasen, C (Cleavan)				Opponent Nyubatyha, A (Asiyolise)

#	Games	Start				End
1	5	Tournament SBDCU Trials 5 Makhanda Leg 2025				Tournament Kouga Mayor's Cup 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Maerman, L (Luyolo)				Opponent Mbete, Z (Zonke)
2	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Stuurman, M (Marvin)				Opponent Booi, J (Junior)
3	4	Tournament Kouga Mayor's Cup Final 2025				Tournament EC Closed 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Claasen, C (Cleavan)				Opponent Nyubatyha, A (Asiyolise)

#	Games	Start				End
1	4	Tournament Sarah Baartman Trials 2022				Tournament Bloeisel Fees 2022
		date 2022-05-21	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Mpendu, Z (Zintle)				Opponent Magielies, F (Franklin)
2	3	Tournament Bloeisel Fees 2022				Tournament Sarah Baartman District Schools Trials 2024
		date 2022-10-29	rnd 7	type Rapid	result 1	date 2024-08-03	rnd 2	type Rapid	result 1
		Opponent Claasen, S (Suermin)				Opponent Qhankqashe, Y (Yamkela)
3	2	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 3	type Rapid	result 1
		Opponent Petrus, L (Liam)				Opponent Leslie, L (Len)

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	Salie ,R (Riaz)	5	1	-255	4	1	-212.5	1	0	-425	0	0	0
1	Salie ,R (Riaz)	5	1484.2	1229.2	4	1411.8	1271.7	1	1463.6	1059.2	0	0	0
2	Kanyenze ,L (Lincoln)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
2	Kanyenze ,L (Lincoln)	4	1278.2	1490.7	4	1223.9	1490.7	0	0	0	0	0	0
3	Janse Van Rensburg ,S (San-Marie)	4	3	212.5	3	3	425	1	0	-425	0	0	0
3	Janse Van Rensburg ,S (San-Marie)	4	1360.6	1573.1	3	1264.2	1785.6	1	1405.2	935.6	0	0	0
4	Carolus ,CJ (Cayline Jade)	4	1.5	-106.2	2	0.5	-212.5	2	1	0	0	0	0
4	Carolus ,CJ (Cayline Jade)	4	1397.3	1291.1	2	1425.7	1184.8	2	1237.9	1397.3	0	0	0
5	Abercrombie ,J (Jasmine)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Abercrombie ,J (Jasmine)	3	1279.8	1421.4	3	1279	1421.4	0	0	0	0	0	0
6	Saunders ,E (Ethan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Saunders ,E (Ethan)	3	1212.1	1070.4	3	1147.8	1070.4	0	0	0	0	0	0
7	Theunissen ,A (Andrew)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
7	Theunissen ,A (Andrew)	3	1306.6	1589.9	3	1305.1	1589.9	0	0	0	0	0	0
8	Plaatjies ,F (Fredwin)	3	3	425	3	3	425	0	0	0	0	0	0
8	Plaatjies ,F (Fredwin)	3	1207.4	1632.4	3	1185.5	1632.4	0	0	0	0	0	0
9	Fourie ,N (Neelon)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
9	Fourie ,N (Neelon)	3	1260.7	1260.7	3	1252.8	1260.7	0	0	0	0	0	0
10	Groener ,G (Gladwin)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
10	Groener ,G (Gladwin)	3	1401.2	1684.5	3	1369.1	1684.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Marx, B (Bronwyn)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms