Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mulder, SL (Stephanus)

Chess SA id

109088223

FIDE id

Date of birth

2009-09-18 (U18)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1175.9	1168.3	864.8	731.2
Raw rating	1175.9	1168.3	864.8	731.2
Weighted rating	1175.9	1168.3	864.7	731.2
Weighted performance	772.1	624.3	0	0
Floor	675.9	668.3	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	171.6	173.5	267.3	323.4
Highest rating	1200 2024-11-01	1200 2024-11-01	1292.9 2023-08-01	1200 2024-02-01
Highest raw rating	1175.9 2024-02-01	1168.3 2024-02-01	864.8 2024-02-01	731.2 2024-02-01
Highest weighted rating	1175.9 2024-11-01	1168.3 2024-11-01	864.8 2024-11-01	731.2 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1292.9 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1175.9	1168.3	864.8	731.2
Analysis
Rating	1175.9	1168.3	864.8	731.2
Raw rating	1175.9	1168.3	864.8	731.2
Weighted rating	1175.9	1168.3	864.7
Weighted performance	772.1	624.3	0
K-factor	40	40	40	40
Floor	675.9	668.3	500	500
Max/Min rating change allowed	171.6	173.5	267.3	323.4
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	1175.9	1168.3	864.8	731.2
New weighted rating	1175.9	1168.3	864.8	731.2
New weighted performance	771.6	623.8	0	0
Temp new rating	1175.9	1168.3	864.8	731.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1175.9	1168.3	864.8	731.2
New K-factor	40	40	40	40
New floor	675.9	668.3	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	15	10	5
	0	0	0
	0	0	0
History	116	111	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-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	92	54.5	59.24	78.5	984.3	1062.8
Standard	87	51.5	59.2	78.2	970.4	1048.5
Rapid	5	3	60	85	1226.6	1311.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1175.9	1168.3	864.8	731.2
2025-09-01	1175.9	1168.3	864.8	731.2
2025-08-01	1175.9	1168.3	864.8	731.2
2025-07-01	1175.9	1168.3	864.8	731.2
2025-06-01	1175.9	1168.3	864.8	731.2
2025-05-01	1175.9	1168.3	864.8	731.2
2025-04-01	1175.9	1168.3	864.8	731.2
2025-03-01	1175.9	1168.3	864.8	731.2
2025-02-01	1175.9	1168.3	864.8	731.2
2025-01-01	1175.9	1168.3	864.8	731.2
2024-12-01	1175.9	1168.3	864.8	731.2
2024-11-01	1175.9	1168.3	864.8	731.2
2024-10-01	1175.9	1168.3	864.8	731.2
2024-09-01	1175.9	1168.3	864.8	731.2
2024-08-01	1175.9	1168.3	864.8	731.2
2024-07-01	1175.9	1168.3	864.8	731.2
2024-06-01	1175.9	1168.3	864.8	731.2
2024-08-01	1175.9	1168.3	864.8	731.2
2024-04-01	1175.9	1168.3	864.8	731.2
2024-03-01	1175.9	1168.3	864.8	731.2
2024-02-01	1175.9	1168.3	864.8	731.2
2024-01-01	1175.9	1168.3	864.8	731.2
2023-12-01	1175.9	1168.3	850	731.2
2023-11-01	1175.9	1168.3	850	731.2

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	Bojanala School League 2023 (U17)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
2	Schoemies Kings & Queens 2023 (Rooks)	2023-03-18	2023-03-18	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
3	One For The Ages 2023 (U16)	2023-02-18	2023-02-18	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
4	Rustenburg Noord Primary Tournament 2019 (U12)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
5	Laerskool Vastrap Tournament 2019 (C)	2019-02-23	2019-02-23	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
6	Fields College Open 2019 (U12)	2019-02-02	2019-02-02	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
7	2018 Tshwane Inter Region (U10A)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
8	South African Junior Team Championships 2018 (U10A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
9	Lebone II Chess 2018 (U10)	2018-09-01	2018-09-01	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
10	Bojanala Regionals 2018 (U10)	2018-09-15	2018-09-15	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
11	Laerskool Brits Tournament 2018 (U10)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
12	Inter Regional 2018 (U10 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
13	Laerskool Proteapark Chess 2018 (B)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
14	Laerskool Olienpark 2018 (U10)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
15	Hoerskool Brits 2018 (U10)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
16	Laerskool Vastrap 2018 (U10)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
17	Laerskool Rustenburg Noord Primary 2018 (B)	2018-02-24	2018-02-24	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
18	South African Junior Team Championships 2017 (U10B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament Laerskool Rustenburg Noord Primary 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-24	rnd 1	type Standard	result 1
		Opponent Goliath, Q (Quinn)				Opponent Oberholzer, H (Henco)
2	5	Tournament Bojanala Regionals 2018				Tournament Bojanala Regionals 2018
		date 2018-09-15	rnd 1	type Standard	result 1	date 2018-09-15	rnd 5	type Standard	result 0.5
		Opponent Morkel, DJ (Douglas)				Opponent Byliefeldt, L (Leroux)
3	5	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Wolmarans, CH (Cornelius)				Opponent Rheeders, JG (Johan Gerhardus)

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament Laerskool Rustenburg Noord Primary 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-24	rnd 1	type Standard	result 1
		Opponent Goliath, Q (Quinn)				Opponent Oberholzer, H (Henco)
2	5	Tournament Bojanala Regionals 2018				Tournament Bojanala Regionals 2018
		date 2018-09-15	rnd 1	type Standard	result 1	date 2018-09-15	rnd 5	type Standard	result 0.5
		Opponent Morkel, DJ (Douglas)				Opponent Byliefeldt, L (Leroux)
3	5	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Wolmarans, CH (Cornelius)				Opponent Rheeders, JG (Johan Gerhardus)

#	Games	Start				End
1	2	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Gouws, D (Duan)				Opponent Venter, D (Dian)
2	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Kgaladi, R (Rebaone)				Opponent Kgaladi, R (Rebaone)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament Laerskool Rustenburg Noord Primary 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-24	rnd 1	type Standard	result 1
		Opponent Goliath, Q (Quinn)				Opponent Oberholzer, H (Henco)
2	5	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Wolmarans, CH (Cornelius)				Opponent Rheeders, JG (Johan Gerhardus)
3	5	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Jordaan, D (Donovan)				Opponent Mabuza, N (Ndumiso)

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament Laerskool Rustenburg Noord Primary 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-24	rnd 1	type Standard	result 1
		Opponent Goliath, Q (Quinn)				Opponent Oberholzer, H (Henco)
2	5	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Wolmarans, CH (Cornelius)				Opponent Rheeders, JG (Johan Gerhardus)
3	5	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Jordaan, D (Donovan)				Opponent Mabuza, N (Ndumiso)

#	Games	Start				End
1	2	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Gouws, D (Duan)				Opponent Venter, D (Dian)
2	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Kgaladi, R (Rebaone)				Opponent Kgaladi, R (Rebaone)

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	Nel ,JB (Janko Bruwer)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Nel ,JB (Janko Bruwer)	4	945.3	732.8	4	932.8	732.8	0	0	0	0	0	0
2	Sera ,G (Galaletsang)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
2	Sera ,G (Galaletsang)	4	1126	1232.3	4	1123.7	1232.3	0	0	0	0	0	0
3	Jordaan ,D (Donovan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Jordaan ,D (Donovan)	3	758.7	900.4	3	757.7	900.4	0	0	0	0	0	0
4	Fourie ,M (Marli)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Fourie ,M (Marli)	3	1265.5	1265.5	3	1252.9	1265.5	0	0	0	0	0	0
5	Bezuidenhout ,N (Nathan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Bezuidenhout ,N (Nathan)	3	746.1	887.8	3	744.5	887.8	0	0	0	0	0	0
6	Vosloo ,T (Tiaan)	2	2	425	2	2	425	0	0	0	0	0	0
6	Vosloo ,T (Tiaan)	2	975.7	1400.7	2	944.4	1400.7	0	0	0	0	0	0
7	Krog ,J (Juhann)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Krog ,J (Juhann)	2	1015.1	802.6	2	1003.3	802.6	0	0	0	0	0	0
8	Msemburi ,H (Hannah)	2	2	425	2	2	425	0	0	0	0	0	0
8	Msemburi ,H (Hannah)	2	587.7	1012.7	2	582	1012.7	0	0	0	0	0	0
9	Byliefeldt ,L (Leroux)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Byliefeldt ,L (Leroux)	2	911.2	1123.7	2	902	1123.7	0	0	0	0	0	0
10	Sathish ,A (Abinavah)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Sathish ,A (Abinavah)	2	1323.2	898.2	2	1324.3	898.2	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

Mulder, SL (Stephanus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms