Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mulder, R (Rohan)

Chess SA id

1110191839

FIDE id

Date of birth

2011-05-18 (U16)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1087.8	1102.8	1119.2	1200
Raw rating	1087.8	1102.8	1119.2	1200
Weighted rating	1075.1	1092.2	1109.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	194.5	190.4	186.1	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1087.8	1102.8	1119.2	1200
Analysis
Rating	1087.8	1102.8	1119.2	1200
Raw rating	1087.8	1102.8	1119.2	1200
Weighted rating	1075.1	1092.2	1109.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	194.5	190.4	186.1	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	1087.8	1102.8	1119.2	1200
New weighted rating	1074.8	1092	1108.7	1200
New weighted performance	0	0	0	0
Temp new rating	1087.8	1102.8	1119.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1087.8	1102.8	1119.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	25	16	9
	0	0	0
	0	0	0
	0	0	0
History	25	16	9

Games since
	Main 25	Standard 16		Rapid 9		Blitz 0
Gender	Male
Age group	U16
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	25	4	16	-289	1211.2	922.2
Standard	16	3	18.75	-265.6	1211	945.4
Rapid	9	1	11.11	-330.6	1211.5	880.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1087.8	1102.8	1119.2	1200
2025-09-01	1087.8	1102.8	1119.2	1200
2025-08-01	1087.8	1102.8	1119.2	1200
2025-07-01	1087.8	1102.8	1119.2	1200
2025-06-01	1087.8	1102.8	1119.2	1200
2025-05-01	1087.8	1102.8	1119.2	1200
2025-04-01	1087.8	1102.8	1119.2	1200
2025-03-01	1087.8	1102.8	1119.2	1200
2025-02-01	1086.2	1101.8	1117.1	1200
2025-01-01	1022.8	1052.4	1057.6	1200
2024-12-01	1022.8	1052.4	1057.6	1200
2024-11-01	1022.8	1052.4	1057.6	1200
2024-10-01	1022.8	1052.4	1057.6	1200
2024-09-01	1022.8	1052.4	1057.6	1200
2024-08-01	1022.8	1052.4	1057.6	1200
2024-07-01	1022.8	1052.4	1057.6	1200
2024-06-01	1056.3	1052.4	1151.2	1200
2024-08-01	1103.4	1108.8	1151.2	1200
2024-04-01	1150.9	1143.6	1200	1200
2024-03-01	1150.9	1143.6	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

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	Uitenhage Chess Club Presidential Cup 2024 (B)	2024-04-30	2024-05-14	Rapid	Nelson Mandela Bay (ENM)	6	5	0	Yes	Analysis
2	NMBCU Trial 3 2024 (U12)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
3	UCC Rapid April 2024	2024-04-09	2024-04-23	Rapid	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
4	NMBCU Trials 2 2024 (U12)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
5	NMBCU Trials 1 2024 (U12)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 2 2024
		date 2024-02-16	rnd 6	type Standard	result 1	date 2024-04-12	rnd 1	type Standard	result 1
		Opponent Van Rooyen, A (Anthony)				Opponent Mpola, Q (Qhawe)
2	1	Tournament NMBCU Trial 3 2024				Tournament NMBCU Trial 3 2024
		date 2024-05-11	rnd 5	type Standard	result 0.5	date 2024-05-11	rnd 5	type Standard	result 0.5
		Opponent Botes, E (E-Jay)				Opponent Botes, E (E-Jay)
3	1	Tournament UCC Rapid April 2024				Tournament UCC Rapid April 2024
		date 2024-04-23	rnd 6	type Rapid	result 1	date 2024-04-23	rnd 6	type Rapid	result 1
		Opponent Bester, T (Thomas)				Opponent Bester, T (Thomas)

#	Games	Start				End
1	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 2 2024
		date 2024-02-16	rnd 6	type Standard	result 1	date 2024-04-12	rnd 1	type Standard	result 1
		Opponent Van Rooyen, A (Anthony)				Opponent Mpola, Q (Qhawe)
2	1	Tournament NMBCU Trial 3 2024				Tournament NMBCU Trial 3 2024
		date 2024-05-11	rnd 5	type Standard	result 0.5	date 2024-05-11	rnd 5	type Standard	result 0.5
		Opponent Botes, E (E-Jay)				Opponent Botes, E (E-Jay)
3	1	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-16	rnd 4	type Standard	result 0.5	date 2024-02-16	rnd 4	type Standard	result 0.5
		Opponent Gcayiya, A (Amyolise)				Opponent Gcayiya, A (Amyolise)

#	Games	Start				End
1	1	Tournament UCC Rapid April 2024				Tournament UCC Rapid April 2024
		date 2024-04-23	rnd 6	type Rapid	result 1	date 2024-04-23	rnd 6	type Rapid	result 1
		Opponent Bester, T (Thomas)				Opponent Bester, T (Thomas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 2 2024
		date 2024-02-16	rnd 6	type Standard	result 1	date 2024-04-12	rnd 1	type Standard	result 1
		Opponent Van Rooyen, A (Anthony)				Opponent Mpola, Q (Qhawe)
2	1	Tournament UCC Rapid April 2024				Tournament UCC Rapid April 2024
		date 2024-04-23	rnd 6	type Rapid	result 1	date 2024-04-23	rnd 6	type Rapid	result 1
		Opponent Bester, T (Thomas)				Opponent Bester, T (Thomas)

#	Games	Start				End
1	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 2 2024
		date 2024-02-16	rnd 6	type Standard	result 1	date 2024-04-12	rnd 1	type Standard	result 1
		Opponent Van Rooyen, A (Anthony)				Opponent Mpola, Q (Qhawe)

#	Games	Start				End
1	1	Tournament UCC Rapid April 2024				Tournament UCC Rapid April 2024
		date 2024-04-23	rnd 6	type Rapid	result 1	date 2024-04-23	rnd 6	type Rapid	result 1
		Opponent Bester, T (Thomas)				Opponent Bester, T (Thomas)

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	Koutsouvelis ,M (Matthew)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Koutsouvelis ,M (Matthew)	2	1295	870	2	1322.6	870	0	0	0	0	0	0
2	Schler ,J (Jannei)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Schler ,J (Jannei)	2	1275.9	850.9	1	1271.4	850.9	1	1163.2	850.9	0	0	0
3	Snyman ,K (Karlien)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Snyman ,K (Karlien)	2	1203.6	778.6	1	1238.2	778.6	1	1152.1	778.6	0	0	0
4	Verwey ,M (Malan)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Verwey ,M (Malan)	2	1349.9	924.9	0	0	0	2	1191.6	924.9	0	0	0
5	Smile ,O (Osakhe)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Smile ,O (Osakhe)	2	1161.6	736.6	0	0	0	2	1191	736.6	0	0	0
6	Van Rooyen ,A (Anthony)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Rooyen ,A (Anthony)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Cerfonteyn ,R (Raees)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Cerfonteyn ,R (Raees)	1	1162.2	737.2	1	1180.8	737.2	0	0	0	0	0	0
8	Mpola ,Q (Qhawe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mpola ,Q (Qhawe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Boggenpoel ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Boggenpoel ,L (Levi)	1	1422.9	997.9	1	1431.5	997.9	0	0	0	0	0	0
10	Grobler ,M (Mia)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Grobler ,M (Mia)	1	1278	853	1	1285.3	853	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Mulder, R (Rohan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms