Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, C (Calum)

Chess SA id

1050098209

FIDE id

Date of birth

2005-02-01 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1166.6	1168	1200	1100.4
Raw rating	1166.6	1168	1200	1100.4
Weighted rating	1166.6	1168	1200	1100.4
Weighted performance	136.1	134.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.9	173.6	165.8	191.1
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2018-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1166.6	1168	1200	1100.4
Analysis
Rating	1166.6	1168	1200	1100.4
Raw rating	1166.6	1168	1200	1100.4
Weighted rating	1166.6	1168	1200
Weighted performance	136.1	134.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.9	173.6	165.8	191.1
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	1166.6	1168	1200	1100.4
New weighted rating	1166.6	1168	1200	1100.4
New weighted performance	135.7	134.5	0	0
Temp new rating	1166.6	1168	1200	1100.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1166.6	1168	1200	1100.4
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	50	46	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
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	50	27	54	34	1016.1	1050.1
Standard	46	27	58.7	73.9	997.2	1071.1
Rapid	0	0	0	0	0	0
Blitz	4	0	0	-425	1233.1	808.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1166.6	1168	1200	1100.4
2025-09-01	1166.6	1168	1200	1100.4
2025-08-01	1166.6	1168	1200	1100.4
2025-07-01	1166.6	1168	1200	1100.4
2025-06-01	1166.6	1168	1200	1100.4
2025-05-01	1166.6	1168	1200	1100.4
2025-04-01	1166.6	1168	1200	1100.4
2025-03-01	1166.6	1168	1200	1100.4
2025-02-01	1166.6	1168	1200	1100.4
2025-01-01	1166.6	1168	1200	1100.4
2024-12-01	1166.6	1168	1200	1100.4
2024-11-01	1166.6	1168	1200	1100.4
2024-10-01	1166.6	1168	1200	1100.4
2024-09-01	1166.6	1168	1200	1100.4
2024-08-01	1166.6	1168	1200	1100.4
2024-07-01	1166.6	1168	1200	1100.4
2024-06-01	1166.6	1168	1200	1100.4
2024-08-01	1166.6	1168	1200	1100.4
2024-04-01	1166.6	1168	1200	1100.4
2024-03-01	1166.6	1168	1200	1100.4
2024-02-01	1166.6	1168	1200	1100.4
2024-01-01	1166.6	1168	1200	1100.4
2023-12-01	1166.6	1168	1200	1100.4
2023-11-01	1166.6	1168	1200	1100.4

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	South African Junior Blitz 2018 (U14)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	4	0	Yes	Analysis
2	South African Junior Team Championships 2018 (U14E)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
3	Ekurhuleni Open 2018 (C)	2018-08-18	2018-08-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Witfield Open 2018 (C)	2018-07-21	2018-07-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
5	2018 Swartkop Open (C)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
6	Primrose Chess Club Open 2018 (D)	2018-06-02	2018-06-02	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
7	Ekurhuleni Trials 3 2018 (U14)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
8	JNW Club - Bryanston Open 2 2018 (D)	2018-05-05	2018-05-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
9	Ekurhuleni Trials 2 2018 (U14)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
10	Ekurhuleni Trials 1 2018 (U14)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Primrose Chess Club Open 2018				Tournament Ekurhuleni Trials 3 2018
		date 2018-06-02	rnd 1	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 1
		Opponent Lubedu, B (Bonginkosi)				Opponent De Beer, J (Janka)
2	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Zeuner, H (Heinz)				Opponent Govender, C (Chaneeka)
3	3	Tournament Witfield Open 2018				Tournament Ekurhuleni Open 2018
		date 2018-07-21	rnd 4	type Standard	result 0.5	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Attwell, R (Rowan)				Opponent Janse Van Rensburg, J (Jayden)

#	Games	Start				End
1	6	Tournament Primrose Chess Club Open 2018				Tournament Ekurhuleni Trials 3 2018
		date 2018-06-02	rnd 1	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 1
		Opponent Lubedu, B (Bonginkosi)				Opponent De Beer, J (Janka)
2	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Zeuner, H (Heinz)				Opponent Ntshangase, N (Nkululeko)
3	3	Tournament Witfield Open 2018				Tournament Ekurhuleni Open 2018
		date 2018-07-21	rnd 4	type Standard	result 0.5	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Attwell, R (Rowan)				Opponent Janse Van Rensburg, J (Jayden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Primrose Chess Club Open 2018				Tournament Ekurhuleni Trials 3 2018
		date 2018-06-02	rnd 1	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 1
		Opponent Lubedu, B (Bonginkosi)				Opponent De Beer, J (Janka)
2	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Zeuner, H (Heinz)				Opponent Govender, C (Chaneeka)
3	2	Tournament Ekurhuleni Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Scheepers, D (Divan)				Opponent Beere, A (Aidan)

#	Games	Start				End
1	6	Tournament Primrose Chess Club Open 2018				Tournament Ekurhuleni Trials 3 2018
		date 2018-06-02	rnd 1	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 1
		Opponent Lubedu, B (Bonginkosi)				Opponent De Beer, J (Janka)
2	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Zeuner, H (Heinz)				Opponent Ntshangase, N (Nkululeko)
3	2	Tournament Ekurhuleni Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Scheepers, D (Divan)				Opponent Beere, A (Aidan)

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	Waring ,G (Gabriel)	2	2	425	2	2	425	0	0	0	0	0	0
1	Waring ,G (Gabriel)	2	705.9	1130.9	2	704.4	1130.9	0	0	0	0	0	0
2	Arthur ,T (Ty)	2	1	0	2	1	0	0	0	0	0	0	0
2	Arthur ,T (Ty)	2	832.7	832.7	2	843.4	832.7	0	0	0	0	0	0
3	Steenhoff ,B (Brayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Steenhoff ,B (Brayden)	1	1118.7	693.7	1	1102	693.7	0	0	0	0	0	0
4	Walas ,D (Dean)	1	1	425	1	1	425	0	0	0	0	0	0
4	Walas ,D (Dean)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	De Vasconcelos ,T (Tiaana)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Vasconcelos ,T (Tiaana)	1	998.2	1423.2	1	1003.1	1423.2	0	0	0	0	0	0
6	Van Vuuren ,Z (Zander)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Vuuren ,Z (Zander)	1	1116.7	1541.7	1	1095.6	1541.7	0	0	0	0	0	0
7	Beere ,A (Aidan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Beere ,A (Aidan)	1	976.9	1401.9	1	950.4	1401.9	0	0	0	0	0	0
8	Ntshangase ,N (Nkululeko)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ntshangase ,N (Nkululeko)	1	1157.8	1582.8	1	1151.6	1582.8	0	0	0	0	0	0
9	Vermeulen ,A (Anrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Vermeulen ,A (Anrich)	1	953.2	528.2	1	982.4	528.2	0	0	0	0	0	0
10	Macdonald ,B (Brandon)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Macdonald ,B (Brandon)	1	1086.4	661.4	1	1087.6	661.4	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, C (Calum)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms