Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, M (Marcus)

Chess SA id

105082260

FIDE id

Date of birth

2005-12-15 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2023-03-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1205.5	1178.2	717.3	500
Raw rating	1205.5	1178.2	717.3	500
Weighted rating	1205.5	1178.2	716.7	500
Weighted performance	624.6	611.5	0	0
Floor	705.5	678.2	500	500
K-factor	36	40	40	40
Min/Max rating change allowed	164.5	171	329.8	449.5
Highest rating	1231 2020-03-01	1200 2018-02-01	1383.9 2020-03-01	1200 2024-02-01
Highest raw rating	1205.5 2024-02-01	1178.2 2024-02-01	717.3 2024-02-01	500 2024-02-01
Highest weighted rating	1205.5 2025-02-01	1178.2 2024-11-01	717.3 2024-11-01	500 2024-11-01
Highest weighted performance	1231 2020-03-01	1200 2018-02-01	1383.9 2020-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1205.5	1178.2	717.3	500
Analysis
Rating	1205.5	1178.2	717.3	500
Raw rating	1205.5	1178.2	717.3	500
Weighted rating	1205.5	1178.2	716.7
Weighted performance	624.6	611.5	0
K-factor	36	40	40	40
Floor	705.5	678.2	500	500
Max/Min rating change allowed	164.5	171	329.8	449.5
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	1205.5	1178.2	717.3	500
New weighted rating	1205.5	1178.2	717.1	500
New weighted performance	624.2	611.1	0	0
Temp new rating	1205.5	1178.2	717.3	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1205.5	1178.2	717.3	500
New K-factor	36	40	40	40
New floor	705.5	678.2	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	5	5	0
	0	0	0
History	165	160	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	124	54	43.55	-54.8	1063.7	1008.8
Standard	119	50	42.02	-67.9	1060.6	992.8
Rapid	5	4	80	255	1135.6	1390.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1205.5	1178.2	717.3	500
2025-09-01	1205.5	1178.2	717.3	500
2025-08-01	1205.5	1178.2	717.3	500
2025-07-01	1205.5	1178.2	717.3	500
2025-06-01	1205.5	1178.2	717.3	500
2025-05-01	1205.5	1178.2	717.3	500
2025-04-01	1205.5	1178.2	717.3	500
2025-03-01	1205.5	1178.2	717.3	500
2025-02-01	1205.5	1178.2	717.3	500
2025-01-01	1205.5	1178.2	717.3	500
2024-12-01	1205.5	1178.2	717.3	500
2024-11-01	1205.5	1178.2	717.3	500
2024-10-01	1205.5	1178.2	717.3	500
2024-09-01	1205.5	1178.2	717.3	500
2024-08-01	1205.5	1178.2	717.3	500
2024-07-01	1205.5	1178.2	717.3	500
2024-06-01	1205.5	1178.2	717.3	500
2024-08-01	1205.5	1178.2	717.3	500
2024-04-01	1205.5	1178.2	717.3	500
2024-03-01	1205.5	1178.2	717.3	500
2024-02-01	1205.5	1178.2	717.3	500
2024-01-01	1205.5	1178.2	717.3	500
2023-12-01	1205.5	1178.2	653.2	500
2023-11-01	1205.5	1178.2	653.2	500

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	JNW Open - Crawford 2023 (C)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	2022 Gauteng Interregion (U20 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	JNW Club - Junior A High School 2020	2020-03-07	2020-03-07	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Grey College Team Championship 2020 (B)	2020-01-31	2020-02-01	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
6	2019 South African Junior Team Championships (U16D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
7	GJM vs GE Inter Region 2019 (U16C)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
8	JNW Club - Maragon Open 2019 (D)	2019-08-03	2019-08-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
9	JNW Club - Helpmekaar Kollege Open 2019 (D)	2019-07-06	2019-07-06	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
10	JHB Metro Closed 2019 (U16)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	0	Yes	Analysis
11	JNW Club - Hoerskool Linden 2019 (D)	2019-06-15	2019-06-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	The Metro Open 2019 (Masters)	2019-05-25	2019-05-26	Standard	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
13	JNW Club - Charterhouse Open 2019 (D)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
14	Chessnuts Under 1200 27 April 2019 (Knights)	2019-04-27	2019-04-27	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
15	JNW Club - Trinityhouse Randpark Ridge Open 2019 (D)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	0	Yes	Analysis
16	JNW Club - Trinityhouse Little Falls Open 2019 (D)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
17	South African Junior Team Championships 2018 (U14D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
18	Inter Region GE vs JHB Metro 2018 (U14E)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	3	1	Yes	Analysis
19	JNW Club - Maragon Open 2018 (D)	2018-08-04	2018-08-04	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
20	JHB Metro Junior Closed 2018 (U14)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
21	JNW Club - Bryanston Open 2 2018 (D)	2018-05-05	2018-05-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
22	JNW Club - Linden Open 2018 (D)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
23	JNW Club - Trinityhouse Randpark Ridge Open 2018 (D)	2018-03-24	2018-03-24	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
24	JNW Club - Northriding College Open 2018 (B)	2018-03-09	2018-03-10	Standard	Johannesburg Metro (GJM)	6	6	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 5	type Standard	result 1	date 2019-07-06	rnd 4	type Standard	result 1
		Opponent Esterhuizen, JL (Janco)				Opponent De Abreu, A (Alexia Sally)
2	4	Tournament Grey College Team Championship 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Eheli, S (Stanely)				Opponent Chungupengu, N (Nicolette)
3	3	Tournament JNW Open - Crawford 2023				Tournament JNW Open - Crawford 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 0.5
		Opponent Sibanda, S (Sibusiso)				Opponent Ramdhani, S (Shaheer)

#	Games	Start				End
1	5	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 5	type Standard	result 1	date 2019-07-06	rnd 4	type Standard	result 1
		Opponent Esterhuizen, JL (Janco)				Opponent De Abreu, A (Alexia Sally)
2	4	Tournament Grey College Team Championship 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Eheli, S (Stanely)				Opponent Chungupengu, N (Nicolette)
3	3	Tournament JNW Open - Crawford 2023				Tournament JNW Open - Crawford 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 0.5
		Opponent Sibanda, S (Sibusiso)				Opponent Ramdhani, S (Shaheer)

#	Games	Start				End
1	3	Tournament JNW Club - Junior A High School 2020				Tournament JNW Club - Junior A High School 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 5	type Rapid	result 1
		Opponent Mahlatsi, R (Remo)				Opponent Hershenson, J (Joshua)
2	1	Tournament JNW Club - Junior A High School 2020				Tournament JNW Club - Junior A High School 2020
		date 2020-03-07	rnd 1	type Rapid	result 1	date 2020-03-07	rnd 1	type Rapid	result 1
		Opponent Snyman, U (Ulrich)				Opponent Snyman, U (Ulrich)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 5	type Standard	result 1	date 2019-07-06	rnd 4	type Standard	result 1
		Opponent Esterhuizen, JL (Janco)				Opponent De Abreu, A (Alexia Sally)
2	4	Tournament Grey College Team Championship 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Eheli, S (Stanely)				Opponent Chungupengu, N (Nicolette)
3	3	Tournament JNW Club - Junior A High School 2020				Tournament JNW Club - Junior A High School 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 5	type Rapid	result 1
		Opponent Mahlatsi, R (Remo)				Opponent Hershenson, J (Joshua)

#	Games	Start				End
1	5	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 5	type Standard	result 1	date 2019-07-06	rnd 4	type Standard	result 1
		Opponent Esterhuizen, JL (Janco)				Opponent De Abreu, A (Alexia Sally)
2	4	Tournament Grey College Team Championship 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Eheli, S (Stanely)				Opponent Chungupengu, N (Nicolette)
3	3	Tournament JNW Club - Charterhouse Open 2019				Tournament Chessnuts Under 1200 27 April 2019
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-04-27	rnd 2	type Standard	result 1
		Opponent Peng, D (Darren)				Opponent Buhrmann, J (Johann)

#	Games	Start				End
1	3	Tournament JNW Club - Junior A High School 2020				Tournament JNW Club - Junior A High School 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 5	type Rapid	result 1
		Opponent Mahlatsi, R (Remo)				Opponent Hershenson, J (Joshua)
2	1	Tournament JNW Club - Junior A High School 2020				Tournament JNW Club - Junior A High School 2020
		date 2020-03-07	rnd 1	type Rapid	result 1	date 2020-03-07	rnd 1	type Rapid	result 1
		Opponent Snyman, U (Ulrich)				Opponent Snyman, U (Ulrich)

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	De Abreu ,A (Alexia Sally)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	De Abreu ,A (Alexia Sally)	3	1026.2	884.5	3	1041.9	884.5	0	0	0	0	0	0
2	Fauconier ,A (Amber)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Fauconier ,A (Amber)	2	837.7	412.7	2	832.3	412.7	0	0	0	0	0	0
3	Pather ,J (Juveshan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Pather ,J (Juveshan)	2	746.6	321.6	2	774.8	321.6	0	0	0	0	0	0
4	Mali ,M (Moneri)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mali ,M (Moneri)	2	798.3	798.3	2	815.3	798.3	0	0	0	0	0	0
5	Fauconier ,C (Caley)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Fauconier ,C (Caley)	2	961.1	536.1	2	972.8	536.1	0	0	0	0	0	0
6	Rossouw ,W (Wessel Johannes)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Rossouw ,W (Wessel Johannes)	2	1175.1	750.1	2	1169.4	750.1	0	0	0	0	0	0
7	Nwedo ,K (Khodani)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nwedo ,K (Khodani)	1	1194.5	769.5	1	1184	769.5	0	0	0	0	0	0
8	Qumpula ,S (Saxola)	1	1	425	1	1	425	0	0	0	0	0	0
8	Qumpula ,S (Saxola)	1	848.6	1273.6	1	845	1273.6	0	0	0	0	0	0
9	Stone ,L (Lukas)	1	1	425	1	1	425	0	0	0	0	0	0
9	Stone ,L (Lukas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Lynch ,S (Stephen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lynch ,S (Stephen)	1	1161.4	736.4	1	1150	736.4	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

Botha, M (Marcus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms