Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Walt, MC (Marelize)

Chess SA id

202039509

FIDE id

Date of birth

2002-03-12 (Adult)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1499.5	1511.4	1391.6	1397
Raw rating	1499.5	1511.4	1391.6	1397
Weighted rating	1499.5	1511.4	1391.6	1397
Weighted performance	297.8	299.5	0	0
Floor	999.5	1011.4	891.6	897
K-factor	32	32	36	36
Min/Max rating change allowed	108.2	106.4	126.2	125.2
Highest rating	1542.5 2019-04-01	1541.3 2019-04-01	1391.6 2019-04-01	1409.3 2018-04-01
Highest raw rating	1499.5 2024-02-01	1511.4 2024-02-01	1391.6 2024-02-01	1397 2024-02-01
Highest weighted rating	1499.5 2025-02-01	1511.4 2024-02-01	1391.6 2019-04-01	1397 2024-02-01
Highest weighted performance	1542.5 2019-04-01	1541.3 2019-04-01	1200 2024-02-01	1409.3 2018-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1499.5	1511.4	1391.6	1397
Analysis
Rating	1499.5	1511.4	1391.6	1397
Raw rating	1499.5	1511.4	1391.6	1397
Weighted rating	1499.5	1511.4	1391.6
Weighted performance	297.8	299.5	0
K-factor	32	32	36	36
Floor	999.5	1011.4	891.6	897
Max/Min rating change allowed	108.2	106.4	126.2	125.2
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	1499.5	1511.4	1391.6	1397
New weighted rating	1499.5	1511.4	1391.6	1397
New weighted performance	297.3	299	0	0
Temp new rating	1499.5	1511.4	1391.6	1397
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1499.5	1511.4	1391.6	1397
New K-factor	32	32	36	36
New floor	999.5	1011.4	891.6	897

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	796	781	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
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	86	65.5	76.16	222.4	1204.5	1426.9
Standard	76	59.5	78.29	240.5	1192.3	1432.7
Rapid	0	0	0	0	0	0
Blitz	10	6	60	85	1297.4	1382.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1499.5	1511.4	1391.6	1397
2025-09-01	1499.5	1511.4	1391.6	1397
2025-08-01	1499.5	1511.4	1391.6	1397
2025-07-01	1499.5	1511.4	1391.6	1397
2025-06-01	1499.5	1511.4	1391.6	1397
2025-05-01	1499.5	1511.4	1391.6	1397
2025-04-01	1499.5	1511.4	1391.6	1397
2025-03-01	1499.5	1511.4	1391.6	1397
2025-02-01	1499.5	1511.4	1391.6	1397
2025-01-01	1499.5	1511.4	1391.6	1397
2024-12-01	1499.5	1511.4	1391.6	1397
2024-11-01	1499.5	1511.4	1391.6	1397
2024-10-01	1499.5	1511.4	1391.6	1397
2024-09-01	1499.5	1511.4	1391.6	1397
2024-08-01	1499.5	1511.4	1391.6	1397
2024-07-01	1499.5	1511.4	1391.6	1397
2024-06-01	1499.5	1511.4	1391.6	1397
2024-08-01	1499.5	1511.4	1391.6	1397
2024-04-01	1499.5	1511.4	1391.6	1397
2024-03-01	1499.5	1511.4	1391.6	1397
2024-02-01	1499.5	1511.4	1391.6	1397
2024-01-01	1499.5	1511.4	1391.6	1397
2023-12-01	1499.5	1511.4	1391.6	1397
2023-11-01	1499.5	1511.4	1391.6	1397

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	Free State Closed 2019 (Women)	2019-09-27	2019-09-28	Standard	Mangaung (FMB)	5	4	3.5	Yes	Analysis
2	All Girls Festival 2019	2019-05-02	2019-05-04	Standard	Cape Winelands (WCW)	9	9	8.5	Yes	Analysis
3	Clarendon Derby Day 2019	2019-04-12	2019-04-12	Standard	Buffalo City (EBC)	1	1	1	Yes	Analysis
4	Grey College Team Championship 2019 (A)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
5	South African Junior Team Championships 2018 (U16-U20 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	5	Yes	Analysis
6	Mangaung Metro Chess12 & 13 October 2018 (A)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
7	Free State Open 2018 (A)	2018-08-17	2018-08-18	Standard	Mangaung (FMB)	6	6	4	Yes	Analysis
8	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis
9	SAGF Blitz 2018	2018-04-30	2018-04-30	Blitz	Buffalo City (EBC)	11	10	6	Yes	Analysis
10	Spar All Girls Festival 2018	2018-04-28	2018-04-29	Standard	Buffalo City (EBC)	8	8	8	Yes	Analysis
11	Mangaung Metro Chess 9 - 10 March 2018 (B)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
12	Mangaung Metro Chess 2 & 3 February 2018 (B)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
13	Grey College Inter Team Chess Tournament 2018 (A)	2018-02-23	2018-02-24	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
14	Mangaung Metro Chess 19 & 20 January 2018 (B)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
15	South African Junior Team Championships 2017 (U16-U20 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	16	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Spar All Girls Festival 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-04-29	rnd 8	type Standard	result 1
		Opponent Naicker, J (Joash)				Opponent Van Der Merwe, D (Danielle)
2	15	Tournament Grey College Team Championship 2019				Tournament Free State Closed 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-09-28	rnd 5	type Standard	result 1
		Opponent Jacobs, L (Liam)				Opponent Mohomane, R (Refiloe)
3	8	Tournament Inter Regional 2018				Tournament Free State Open 2018
		date 2018-05-04	rnd 1	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Michael, X (Xolile)				Opponent Van Den Bergh, TJ (Tobias)

#	Games	Start				End
1	24	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Free State Open 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Naicker, J (Joash)				Opponent Van Den Bergh, TJ (Tobias)
2	15	Tournament Grey College Team Championship 2019				Tournament Free State Closed 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-09-28	rnd 5	type Standard	result 1
		Opponent Jacobs, L (Liam)				Opponent Mohomane, R (Refiloe)
3	7	Tournament Mangaung Metro Chess12 & 13 October 2018				Tournament South African Junior Team Championships 2018
		date 2018-10-13	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Heuer, R (Robbie)				Opponent Kumar, K (Kiran)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament SAGF Blitz 2018				Tournament SAGF Blitz 2018
		date 2018-04-30	rnd 6	type Blitz	result 1	date 2018-04-30	rnd 10	type Blitz	result 1
		Opponent Amrouni, G (Gabrielle)				Opponent De Franchi, C (Chiara)
2	1	Tournament SAGF Blitz 2018				Tournament SAGF Blitz 2018
		date 2018-04-30	rnd 2	type Blitz	result 1	date 2018-04-30	rnd 2	type Blitz	result 1
		Opponent Van Der Merwe, D (Danielle)				Opponent Van Der Merwe, D (Danielle)

#	Games	Start				End
1	10	Tournament Grey College Team Championship 2019				Tournament All Girls Festival 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-05-03	rnd 8	type Standard	result 1
		Opponent Jacobs, L (Liam)				Opponent Commaille, E (Erin)
2	9	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Spar All Girls Festival 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-29	rnd 8	type Standard	result 1
		Opponent Bosch, A (Altus)				Opponent Van Der Merwe, D (Danielle)
3	6	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Mangaung Metro Chess 9 - 10 March 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Naicker, J (Joash)				Opponent Duvenhage, HW (Hendrik)

#	Games	Start				End
1	13	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Inter Regional 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Bosch, A (Altus)				Opponent Ferreira, JC (John-Claud)
2	10	Tournament Grey College Team Championship 2019				Tournament All Girls Festival 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-05-03	rnd 8	type Standard	result 1
		Opponent Jacobs, L (Liam)				Opponent Commaille, E (Erin)
3	6	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Mangaung Metro Chess 9 - 10 March 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Naicker, J (Joash)				Opponent Duvenhage, HW (Hendrik)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament SAGF Blitz 2018				Tournament SAGF Blitz 2018
		date 2018-04-30	rnd 6	type Blitz	result 1	date 2018-04-30	rnd 10	type Blitz	result 1
		Opponent Amrouni, G (Gabrielle)				Opponent De Franchi, C (Chiara)
2	1	Tournament SAGF Blitz 2018				Tournament SAGF Blitz 2018
		date 2018-04-30	rnd 2	type Blitz	result 1	date 2018-04-30	rnd 2	type Blitz	result 1
		Opponent Van Der Merwe, D (Danielle)				Opponent Van Der Merwe, D (Danielle)

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 Walt ,AB (Bernize)	5	2	-85	4	2	0	0	0	0	1	0	-425
1	Van Der Walt ,AB (Bernize)	5	1415.2	1330.2	4	1420.5	1415.2	0	0	0	1	1423	990.2
2	Duvenhage ,HW (Hendrik Wian)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Duvenhage ,HW (Hendrik Wian)	3	1247.4	1389	3	1250.7	1389	0	0	0	0	0	0
3	Qangule ,L (Lithitha)	3	3	425	3	3	425	0	0	0	0	0	0
3	Qangule ,L (Lithitha)	3	1336.4	1761.4	3	1332.3	1761.4	0	0	0	0	0	0
4	Kleinhans ,F (Fanie)	2	1	0	2	1	0	0	0	0	0	0	0
4	Kleinhans ,F (Fanie)	2	1258.8	1258.8	2	1259.6	1258.8	0	0	0	0	0	0
5	Pietersen ,J (Jody-Lee)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Pietersen ,J (Jody-Lee)	2	861.8	1074.2	2	835.4	1074.2	0	0	0	0	0	0
6	Geldenhuys ,AJ (Andre J)	2	2	425	2	2	425	0	0	0	0	0	0
6	Geldenhuys ,AJ (Andre J)	2	1103.7	1528.7	2	1100.7	1528.7	0	0	0	0	0	0
7	Mabitsela ,KM (Miranda)	2	2	425	2	2	425	0	0	0	0	0	0
7	Mabitsela ,KM (Miranda)	2	1274.1	1699.1	2	1276.6	1699.1	0	0	0	0	0	0
8	Mantje ,K (Katleho)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Mantje ,K (Katleho)	2	1200.6	1413.1	2	1201.3	1413.1	0	0	0	0	0	0
9	Lutz ,J (Joseph)	2	1	0	2	1	0	0	0	0	0	0	0
9	Lutz ,J (Joseph)	2	1301.9	1301.9	2	1307.2	1301.9	0	0	0	0	0	0
10	Van Heerden ,L (Lara)	2	2	425	2	2	425	0	0	0	0	0	0
10	Van Heerden ,L (Lara)	2	1341.2	1766.2	2	1341.1	1766.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Walt, MC (Marelize)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms