Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rotherham, M (Michael)

Chess SA id

1070097331

FIDE id

Date of birth

2007-10-22 (U20)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-07-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	905.8	878.4	1158.4	1200
Raw rating	905.8	878.4	1158.4	1200
Weighted rating	905.8	878.4	1158.4	1200
Weighted performance	144.8	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	252.2	262.2	175.9	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	905.8	878.4	1158.4	1200
Analysis
Rating	905.8	878.4	1158.4	1200
Raw rating	905.8	878.4	1158.4	1200
Weighted rating	905.8	878.4	1158.4
Weighted performance	144.8	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	252.2	262.2	175.9	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	905.8	878.4	1158.4	1200
New weighted rating	905.8	878.4	1158.4	1200
New weighted performance	144.5	0	0	0
Temp new rating	905.8	878.4	1158.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	905.8	878.4	1158.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	33	28	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	33	7	21.21	-244.7	1053.8	809.1
Standard	28	5.5	19.64	-258	1027.7	769.6
Rapid	5	1.5	30	-170	1200	1030
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	905.8	878.4	1158.4	1200
2025-09-01	905.8	878.4	1158.4	1200
2025-08-01	905.8	878.4	1158.4	1200
2025-07-01	905.8	878.4	1158.4	1200
2025-06-01	905.8	878.4	1158.4	1200
2025-05-01	905.8	878.4	1158.4	1200
2025-04-01	905.8	878.4	1158.4	1200
2025-03-01	905.8	878.4	1158.4	1200
2025-02-01	905.8	878.4	1158.4	1200
2025-01-01	905.8	878.4	1158.4	1200
2024-12-01	905.8	878.4	1158.4	1200
2024-11-01	905.8	878.4	1158.4	1200
2024-10-01	905.8	878.4	1158.4	1200
2024-09-01	905.8	878.4	1158.4	1200
2024-08-01	905.8	878.4	1158.4	1200
2024-07-01	905.8	878.4	1158.4	1200
2024-06-01	905.8	878.4	1158.4	1200
2024-08-01	905.8	878.4	1158.4	1200
2024-04-01	905.8	878.4	1158.4	1200
2024-03-01	905.8	878.4	1158.4	1200
2024-02-01	905.8	878.4	1158.4	1200
2024-01-01	905.8	878.4	1158.4	1200
2023-12-01	905.8	878.4	1158.4	1200
2023-11-01	905.8	878.4	1158.4	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	2020 NMBCU Chess Trials 2 2020 (U14)	2020-03-07	2020-03-07	Standard	Nelson Mandela Bay (ENM)	5	0	0	No	Analysis
2	Nelson Mandela Bay Junior Trials 4 2019 (U14)	2019-07-12	2019-07-13	Standard	Nelson Mandela Bay (ENM)	6	4	0	Yes	Analysis
3	NMBJCU Trials 3 2019 (U14)	2019-05-10	2019-05-11	Standard	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis
4	Nelson Mandela Bay Junior Chess Trials 2 2019 (U14)	2019-04-05	2019-04-06	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
5	NMBCU Trials 1 2019 (U14)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
6	NMB First Trails 2018 (U12)	2018-03-23	2018-03-24	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
7	Registration Tournament 2018 (B)	2018-02-23	2018-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
8	Despatch Open 2018 (B)	2018-02-17	2018-02-17	Rapid	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Registration Tournament 2018				Tournament NMB First Trails 2018
		date 2018-02-24	rnd 4	type Standard	result 0.5	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Van Rooyen, M (Madison)				Opponent Peters, J (Jordan)
2	2	Tournament NMBJCU Trials 3 2019				Tournament NMBJCU Trials 3 2019
		date 2019-05-11	rnd 4	type Standard	result 0.5	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Nyati, S (Simthandile)				Opponent Boucher, B (Brian)
3	2	Tournament Despatch Open 2018				Tournament Despatch Open 2018
		date 2018-02-17	rnd 4	type Rapid	result 0.5	date 2018-02-17	rnd 5	type Rapid	result 0.5
		Opponent Lemley, C (Christiaan)				Opponent Boshoff, T (Trudie)

#	Games	Start				End
1	3	Tournament Registration Tournament 2018				Tournament NMB First Trails 2018
		date 2018-02-24	rnd 4	type Standard	result 0.5	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Van Rooyen, M (Madison)				Opponent Peters, J (Jordan)
2	2	Tournament NMBJCU Trials 3 2019				Tournament NMBJCU Trials 3 2019
		date 2019-05-11	rnd 4	type Standard	result 0.5	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Nyati, S (Simthandile)				Opponent Boucher, B (Brian)
3	1	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament Nelson Mandela Bay Junior Chess Trials 2 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Brown, T (Troy)				Opponent Brown, T (Troy)

#	Games	Start				End
1	2	Tournament Despatch Open 2018				Tournament Despatch Open 2018
		date 2018-02-17	rnd 4	type Rapid	result 0.5	date 2018-02-17	rnd 5	type Rapid	result 0.5
		Opponent Lemley, C (Christiaan)				Opponent Boshoff, T (Trudie)
2	1	Tournament Despatch Open 2018				Tournament Despatch Open 2018
		date 2018-02-17	rnd 2	type Rapid	result 0.5	date 2018-02-17	rnd 2	type Rapid	result 0.5
		Opponent Ferreira, J (Johan)				Opponent Ferreira, J (Johan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament NMBJCU Trials 3 2019				Tournament NMBJCU Trials 3 2019
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Boucher, B (Brian)				Opponent Boucher, B (Brian)
2	1	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament Nelson Mandela Bay Junior Chess Trials 2 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Brown, T (Troy)				Opponent Brown, T (Troy)
3	1	Tournament NMBCU Trials 1 2019				Tournament NMBCU Trials 1 2019
		date 2019-03-08	rnd 2	type Standard	result 1	date 2019-03-08	rnd 2	type Standard	result 1
		Opponent Kruger, Q (Quintin)				Opponent Kruger, Q (Quintin)

#	Games	Start				End
1	1	Tournament NMBJCU Trials 3 2019				Tournament NMBJCU Trials 3 2019
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Boucher, B (Brian)				Opponent Boucher, B (Brian)
2	1	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament Nelson Mandela Bay Junior Chess Trials 2 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Brown, T (Troy)				Opponent Brown, T (Troy)
3	1	Tournament NMBCU Trials 1 2019				Tournament NMBCU Trials 1 2019
		date 2019-03-08	rnd 2	type Standard	result 1	date 2019-03-08	rnd 2	type Standard	result 1
		Opponent Kruger, Q (Quintin)				Opponent Kruger, Q (Quintin)

No games found.

#	Games	Start				End

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	Hickman ,K (Kayla)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Hickman ,K (Kayla)	2	1168	743	2	1155	743	0	0	0	0	0	0
2	Oosthuizen ,R (Rualdt)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Oosthuizen ,R (Rualdt)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Rautenbach ,C (Cayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Rautenbach ,C (Cayden)	1	1130.3	705.3	1	1115.6	705.3	0	0	0	0	0	0
4	Van Rooyen ,M (Madison)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Van Rooyen ,M (Madison)	1	513.2	513.2	1	513.2	513.2	0	0	0	0	0	0
5	Brown ,T (Troy)	1	1	425	1	1	425	0	0	0	0	0	0
5	Brown ,T (Troy)	1	1161.8	1586.8	1	1153.2	1586.8	0	0	0	0	0	0
6	Rotherham ,A (Ayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Rotherham ,A (Ayden)	1	677.2	252.2	1	677.2	252.2	0	0	0	0	0	0
7	Ngindana ,K (Kungawo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ngindana ,K (Kungawo)	1	662	237	1	668.8	237	0	0	0	0	0	0
8	Boucher ,B (Brian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Boucher ,B (Brian)	1	1024.4	1449.4	1	990.4	1449.4	0	0	0	0	0	0
9	Liebenberg ,D (D)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Liebenberg ,D (D)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Puzi ,P (Pumezo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Puzi ,P (Pumezo)	1	1102.4	677.4	1	1080.4	677.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Rotherham, M (Michael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms