Chess South Africa Ratings Database

PLAYER PAGE

Personal

Retief, M (Marize)

Chess SA id

2160303559

FIDE id

Date of birth

2016-01-04 (U10)

Gender

Female

Region

Sarah Baartman (ESB)

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

1334.2

Item	Main	Standard	Rapid	Blitz
Rating	1420.1	1415.9	1204.8	1200
Raw rating	1420.1	1415.9	1204.8	1200
Weighted rating	1289.1	1282.9	1203.9	1200
Weighted performance	1353.1	1355.2	0	0
Floor	992	994.7	704.8	700
K-factor	32	32	36	36
Min/Max rating change allowed	121.2	121.9	164.7	165.8
Highest rating	1492 2025-06-01	1494.7 2025-06-01	1228 2024-08-01	1200 2024-05-01
Highest raw rating	1492 2025-06-01	1494.7 2025-06-01	1204.8 2024-09-01	1200 2024-05-01
Highest weighted rating	1492 2024-05-01	1494.7 2024-05-01	1204.8 2024-10-01	1200 2024-05-01
Highest weighted performance	1492 2025-06-01	1494.7 2024-12-01	1228 2024-08-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1420.1	1415.9	1204.8	1200
Analysis
Rating	1420.1	1415.9	1204.8	1200
Raw rating	1420.1	1415.9	1204.8	1200
Weighted rating	1289.1	1282.9	1203.9
Weighted performance	1353.1	1355.2	0
K-factor	32	32	36	36
Floor	992	994.7	704.8	700
Max/Min rating change allowed	121.2	121.9	164.7	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	1420.1	1415.9	1204.8	1200
New weighted rating	1303.7	1297.7	1204.1	1200
New weighted performance	1352.6	1354.7	0	0
Temp new rating	1420.1	1415.9	1204.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1420.1	1415.9	1204.8	1200
New K-factor	32	32	36	36
New floor	992	994.7	704.8	700

Item	Main	Standard	Rapid
	0	0	0
	52	52	0
	28	24	4
	0	0	0
	0	0	0
	0	0	0
History	80	76	4

Games since
	Main 80	Standard 76		Rapid 4		Blitz 0
Gender	Female
Age group	U10
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1961		255		62
Female	310		36		9
U10	123		15		5
U10 Female	13		3		1
Standard
	RSA		Province		Region
Overall	1893		248		59
Female	322		36		9
U10	122		16		5
U10 Female	13		3		1
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	52	36	69.23	163.5	1242.4	1405.9
Standard	52	36	69.23	163.5	1242.4	1405.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	80	46	57.5	63.8	1220.6	1284.3
Standard	76	44	57.89	67.1	1219.8	1286.9
Rapid	4	2	50	0	1235.7	1235.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1420.1	1415.9	1204.8	1200
2025-09-01	1465.9	1462.3	1204.8	1200
2025-08-01	1465.9	1462.3	1204.8	1200
2025-07-01	1492	1494.7	1204.8	1200
2025-06-01	1492	1494.7	1204.8	1200
2025-05-01	1424.1	1428	1204.8	1200
2025-04-01	1311.7	1314.1	1204.8	1200
2025-03-01	1241.1	1237.9	1204.8	1200
2025-02-01	1143.7	1133.5	1204.8	1200
2025-01-01	1106.8	1088	1204.8	1200
2024-12-01	1114.8	1092.4	1204.8	1200
2024-11-01	1114.8	1092.4	1204.8	1200
2024-10-01	1114.8	1092.4	1204.8	1200
2024-09-01	1114.8	1092.4	1204.8	1200
2024-08-01	1097.9	1092.4	1200	1200
2024-07-01	1093.9	1089.2	1200	1200
2024-06-01	1083.1	1072.8	1200	1200
2024-08-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	EC Closed 2025 (U8+U10 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4	Yes	Analysis
3	Fountains Mall SBD Open 2025 (Development)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	6	5.5	Yes	Analysis
4	SBDCA Closed 2025 (U10 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
5	SBD Trials Graaff Reinet 12 April 2025 (U10)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	6	6	6	Yes	Analysis
6	South African Junior Closed Chess Championships 2025 (U10 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	3	Yes	Analysis
7	SBDCU Trial 6 2025 (U10)	2025-03-15	2025-03-15	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis
8	SBDCU Trials 5 Makhanda Leg 2025 (U10)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
9	SBDCU Graaff-Reinet Trials 2025 (U10)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U8+U10 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4	Yes	Analysis
3	Fountains Mall SBD Open 2025 (Development)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	6	5.5	Yes	Analysis
4	SBDCA Closed 2025 (U10 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
5	SBD Trials Graaff Reinet 12 April 2025 (U10)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	6	6	6	Yes	Analysis
6	South African Junior Closed Chess Championships 2025 (U10 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	3	Yes	Analysis
7	SBDCU Trial 6 2025 (U10)	2025-03-15	2025-03-15	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis
8	SBDCU Trials 5 Makhanda Leg 2025 (U10)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
9	SBDCU Graaff-Reinet Trials 2025 (U10)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
10	Mzansi Interprovincial Youth Chess Championships 2024 (U8+U10 Girls Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	5	2	Yes	Analysis
11	Sarah Baartman District Schools Trials 2024 (U9 Girls)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
12	SBDCU Closed Trials 2024 (U10 Girls)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
13	SBDCU Trial 3 2024 (U10)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
14	Fountains Mall 2024 (Development)	2024-05-18	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
15	Mangaung Metro Chess 10-11 May 2024 (C)	2024-05-10	2024-05-11	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis

#	Games	Start				End
1	11	Tournament South African Junior Closed Chess Championships 2025				Tournament SBDCA Closed 2025
		date 2025-04-04	rnd 8	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mohuba, K (Kelebogile)				Opponent Tadese, S (Saron)
2	8	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-17	rnd 6	type Standard	result 0.5
		Opponent George, C (Claire)				Opponent George, C (Claire)
3	6	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 2	type Standard	result 0.5	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent George, T (Taygan)				Opponent Sewelo, O (Omolemo)

#	Games	Start				End
1	11	Tournament South African Junior Closed Chess Championships 2025				Tournament SBDCA Closed 2025
		date 2025-04-04	rnd 8	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mohuba, K (Kelebogile)				Opponent Tadese, S (Saron)
2	8	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-17	rnd 6	type Standard	result 0.5
		Opponent George, C (Claire)				Opponent George, C (Claire)
3	6	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 2	type Standard	result 0.5	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent George, T (Taygan)				Opponent Sewelo, O (Omolemo)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 5	type Rapid	result 1
		Opponent Bellingan, Z (Zanke)				Opponent Bellingan, Z (Zanke)
2	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 1	type Rapid	result 1	date 2024-08-03	rnd 1	type Rapid	result 1
		Opponent Mabopa, P (Paballo)				Opponent Mabopa, P (Paballo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament South African Junior Closed Chess Championships 2025				Tournament SBDCA Closed 2025
		date 2025-04-04	rnd 8	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mohuba, K (Kelebogile)				Opponent Tadese, S (Saron)
2	7	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent George, C (Claire)				Opponent Meintjes, G (Gian)
3	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Stevens, R (Roxanne)				Opponent Sewelo, O (Omolemo)

#	Games	Start				End
1	11	Tournament South African Junior Closed Chess Championships 2025				Tournament SBDCA Closed 2025
		date 2025-04-04	rnd 8	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mohuba, K (Kelebogile)				Opponent Tadese, S (Saron)
2	7	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent George, C (Claire)				Opponent Meintjes, G (Gian)
3	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Trials 5 Makhanda Leg 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Stevens, R (Roxanne)				Opponent Sewelo, O (Omolemo)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 5	type Rapid	result 1
		Opponent Bellingan, Z (Zanke)				Opponent Bellingan, Z (Zanke)
2	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 1	type Rapid	result 1	date 2024-08-03	rnd 1	type Rapid	result 1
		Opponent Mabopa, P (Paballo)				Opponent Mabopa, P (Paballo)

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	Mabapa ,P (Pabi)	4	2	0	4	2	0	0	0	0	0	0	0
1	Mabapa ,P (Pabi)	4	1231.2	1231.2	4	1233.6	1231.2	0	0	0	0	0	0
2	Ndumela ,B (Bulumko)	4	0	-425	3	0	-425	1	0	-425	0	0	0
2	Ndumela ,B (Bulumko)	4	1360.8	935.8	3	1373	935.8	1	1308.5	935.8	0	0	0
3	Juries ,D (Daniel)	3	3	425	3	3	425	0	0	0	0	0	0
3	Juries ,D (Daniel)	3	1198	1623	3	1197.7	1623	0	0	0	0	0	0
4	Jikijela ,A (Ayana)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Jikijela ,A (Ayana)	2	1296.9	871.9	2	1287.2	871.9	0	0	0	0	0	0
5	Sewelo ,O (Omolemo)	2	2	425	2	2	425	0	0	0	0	0	0
5	Sewelo ,O (Omolemo)	2	1223.9	1648.9	2	1249.8	1648.9	0	0	0	0	0	0
6	Mohuba ,K (Kelebogile)	2	1	0	2	1	0	0	0	0	0	0	0
6	Mohuba ,K (Kelebogile)	2	1201.9	1201.9	2	1201.4	1201.9	0	0	0	0	0	0
7	Gosha ,M (Mark)	2	1	0	2	1	0	0	0	0	0	0	0
7	Gosha ,M (Mark)	2	1214.4	1214.4	2	1218.3	1214.4	0	0	0	0	0	0
8	Williams ,G (Genesis)	2	1	0	2	1	0	0	0	0	0	0	0
8	Williams ,G (Genesis)	2	1221	1221	2	1226.4	1221	0	0	0	0	0	0
9	Prinsloo ,D (Dawid)	2	1	0	2	1	0	0	0	0	0	0	0
9	Prinsloo ,D (Dawid)	2	1172.4	1172.4	2	1203.8	1172.4	0	0	0	0	0	0
10	Mabhera ,A (Annikka Atida)	2	1	0	2	1	0	0	0	0	0	0	0
10	Mabhera ,A (Annikka Atida)	2	1204.9	1204.9	2	1207.2	1204.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Retief, M (Marize)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms