Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mahlangu, C (Calvin)

Chess SA id

1000103317

FIDE id

Date of birth

2000-06-28 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1306.7	1233.5	1294.4	1200
Raw rating	1306.7	1233.5	1294.4	1200
Weighted rating	1297.4	1232.7	1279.5	1200
Weighted performance	811	0	0	0
Floor	815	752.7	794.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.4	158.1	144.9	165.8
Highest rating	1329.3 2022-10-01	1252.7 2022-06-01	1372.6 2022-09-01	1200 2018-10-01
Highest raw rating	1315 2022-11-01	1252.7 2022-06-01	1294.4 2025-09-30	1200 2024-02-01
Highest weighted rating	1315 2024-04-01	1252.7 2023-10-01	1279.5 2025-09-30	1200 2018-10-01
Highest weighted performance	1329.3 2022-10-01	1200 2018-01-01	1372.6 2022-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1306.7	1233.5	1294.4	1200
Analysis
Rating	1306.7	1233.5	1294.4	1200
Raw rating	1306.7	1233.5	1294.4	1200
Weighted rating	1297.4	1232.7	1279.5
Weighted performance	811	0	0
K-factor	36	36	36	36
Floor	815	752.7	794.4	700
Max/Min rating change allowed	142.4	158.1	144.9	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	1306.7	1233.5	1294.4	1200
New weighted rating	1298.2	1232.8	1280.7	1200
New weighted performance	810.6	0	0	0
Temp new rating	1306.7	1233.5	1294.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1306.7	1233.5	1294.4	1200
New K-factor	36	36	36	36
New floor	815	752.7	794.4	700

Item	Main	Standard	Rapid
	0	0	0
	1	0	1
	0	0	0
	1	1	0
	23	7	16
	0	0	0
History	40	23	17

Games since
	Main 2	Standard 1		Rapid 1		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
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	1	1	100	425	1200	1625
Standard	0	0	0	0	0	0
Rapid	1	1	100	425	1200	1625
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	24.5	61.25	95.6	1240.9	1336.6
Standard	23	12.5	54.35	37	1205.6	1242.6
Rapid	17	12	70.59	175	1288.7	1463.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1306.7	1233.5	1294.4	1200
2025-09-01	1297.4	1233.5	1278.2	1200
2025-08-01	1297.4	1233.5	1278.2	1200
2025-07-01	1297.4	1233.5	1278.2	1200
2025-06-01	1297.4	1233.5	1278.2	1200
2025-05-01	1297.4	1233.5	1278.2	1200
2025-04-01	1297.4	1233.5	1278.2	1200
2025-03-01	1297.4	1233.5	1278.2	1200
2025-02-01	1297.4	1233.5	1278.2	1200
2025-01-01	1295.6	1231.5	1278.2	1200
2024-12-01	1295.6	1231.5	1278.2	1200
2024-11-01	1295.6	1231.5	1278.2	1200
2024-10-01	1295.6	1231.5	1278.2	1200
2024-09-01	1295.6	1231.5	1278.2	1200
2024-08-01	1295.6	1231.5	1278.2	1200
2024-07-01	1295.6	1231.5	1278.2	1200
2024-06-01	1295.6	1231.5	1278.2	1200
2024-08-01	1295.6	1231.5	1278.2	1200
2024-04-01	1295.6	1231.5	1278.2	1200
2024-03-01	1295.6	1231.5	1278.2	1200
2024-02-01	1295.6	1231.5	1278.2	1200
2024-01-01	1295.6	1231.5	1278.2	1200
2023-12-01	1295.6	1231.5	1278.2	1200
2023-11-01	1295.6	1231.5	1278.2	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NMU USSA Trials 2 2025 (Male)	2025-09-16	2025-09-23	Rapid	Nelson Mandela Bay (ENM)	6	1	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NMU USSA Trials 2 2025 (Male)	2025-09-16	2025-09-23	Rapid	Nelson Mandela Bay (ENM)	6	1	1	Yes	Analysis
2	Madibaz Chess Club Championship (Closed Classical Event)	2023-10-02	2023-10-18	Standard	Nelson Mandela Bay (ENM)	6	1	0	Yes	Analysis
3	2022 Madibaz Physics Chess Open (C)	2022-10-07	2022-10-08	Rapid	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
4	2022 Madibaz Tournament (Open Team)	2022-09-10	2022-09-10	Rapid	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis
5	USSA Closed 2022 (Open)	2022-05-13	2022-05-15	Standard	Dr Kenneth Kaunda (NWP)	7	7	3	Yes	Analysis
6	2022 Madibaz Rapid Chess Tournament 2	2022-03-21	2022-03-21	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
7	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
8	2018 Gauteng Secondary Schools Individual Chess Championships (U18 Boys)	2018-05-26	2018-05-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2018 D1 Gauteng North Individual Chess Championships (U18 Boys)	2018-05-19	2018-05-19	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-26	rnd 1	type Standard	result 1
		Opponent Ntuli, S (Siyabonga)				Opponent Mpya, S (Stanford)
2	5	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament 2022 Madibaz Rapid Chess Tournament 2
		date 2020-03-14	rnd 3	type Standard	result 1	date 2022-03-21	rnd 2	type Rapid	result 1
		Opponent Kilian, D (Dylin)				Opponent Sajini, A (Athenkosi)
3	4	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 2	type Rapid	result 1	date 2022-10-08	rnd 5	type Rapid	result 1
		Opponent Chipunza, J (James)				Opponent Matlho, O (Onkarabile Lesedi)

#	Games	Start				End
1	6	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-26	rnd 1	type Standard	result 1
		Opponent Ntuli, S (Siyabonga)				Opponent Mpya, S (Stanford)
2	3	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Kilian, D (Dylin)				Opponent Blignaut, J (Jordan)
3	2	Tournament USSA Closed 2022				Tournament USSA Closed 2022
		date 2022-05-14	rnd 3	type Standard	result 1	date 2022-05-14	rnd 4	type Standard	result 1
		Opponent Monota, T (Thabang)				Opponent Swanevelder, D (Dewald)

#	Games	Start				End
1	4	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 2	type Rapid	result 1	date 2022-10-08	rnd 5	type Rapid	result 1
		Opponent Chipunza, J (James)				Opponent Matlho, O (Onkarabile Lesedi)
2	3	Tournament 2022 Madibaz Tournament				Tournament 2022 Madibaz Tournament
		date 2022-09-10	rnd 3	type Rapid	result 1	date 2022-09-10	rnd 5	type Rapid	result 1
		Opponent Moeti, P (Phenyo)				Opponent Snobolo, S (Simphiwe)
3	2	Tournament 2022 Madibaz Physics Chess Open				Tournament NMU USSA Trials 2 2025
		date 2022-10-08	rnd 7	type Rapid	result 1	date 2025-09-23	rnd 6	type Rapid	result 1
		Opponent Snobolo, S (Simphiwe)				Opponent Mpepele, B (Boikanyo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament 2022 Madibaz Rapid Chess Tournament 2
		date 2020-03-14	rnd 3	type Standard	result 1	date 2022-03-21	rnd 2	type Rapid	result 1
		Opponent Kilian, D (Dylin)				Opponent Sajini, A (Athenkosi)
2	4	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 2	type Rapid	result 1	date 2022-10-08	rnd 5	type Rapid	result 1
		Opponent Chipunza, J (James)				Opponent Matlho, O (Onkarabile Lesedi)
3	4	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 4	type Standard	result 1
		Opponent Ntuli, S (Siyabonga)				Opponent Bheki, P (Prince)

#	Games	Start				End
1	4	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 4	type Standard	result 1
		Opponent Ntuli, S (Siyabonga)				Opponent Bheki, P (Prince)
2	3	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Kilian, D (Dylin)				Opponent Blignaut, J (Jordan)
3	2	Tournament USSA Closed 2022				Tournament USSA Closed 2022
		date 2022-05-14	rnd 3	type Standard	result 1	date 2022-05-14	rnd 4	type Standard	result 1
		Opponent Monota, T (Thabang)				Opponent Swanevelder, D (Dewald)

#	Games	Start				End
1	4	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 2	type Rapid	result 1	date 2022-10-08	rnd 5	type Rapid	result 1
		Opponent Chipunza, J (James)				Opponent Matlho, O (Onkarabile Lesedi)
2	3	Tournament 2022 Madibaz Tournament				Tournament 2022 Madibaz Tournament
		date 2022-09-10	rnd 3	type Rapid	result 1	date 2022-09-10	rnd 5	type Rapid	result 1
		Opponent Moeti, P (Phenyo)				Opponent Snobolo, S (Simphiwe)
3	2	Tournament 2022 Madibaz Physics Chess Open				Tournament NMU USSA Trials 2 2025
		date 2022-10-08	rnd 7	type Rapid	result 1	date 2025-09-23	rnd 6	type Rapid	result 1
		Opponent Snobolo, S (Simphiwe)				Opponent Mpepele, B (Boikanyo)

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	Snobolo ,S (Simphiwe)	2	2	425	0	0	0	2	2	425	0	0	0
1	Snobolo ,S (Simphiwe)	2	1230.8	1655.8	0	0	0	2	1219.6	1655.8	0	0	0
2	Nkosi ,S (Siphelele)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nkosi ,S (Siphelele)	1	1206.4	781.4	1	1206.8	781.4	0	0	0	0	0	0
3	Gumede ,H (Haliday)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Gumede ,H (Haliday)	1	500	75	1	500	75	0	0	0	0	0	0
4	Marais ,DP (Daniel Petrus)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Marais ,DP (Daniel Petrus)	1	1831.3	1406.3	1	1831.2	1406.3	0	0	0	0	0	0
5	Kilian ,D (Dylin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kilian ,D (Dylin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mpya ,S (Stanford)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mpya ,S (Stanford)	1	963.7	1388.7	1	975.4	1388.7	0	0	0	0	0	0
7	Zhou ,T (Timothy)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Zhou ,T (Timothy)	1	1250.8	825.8	1	1260.4	825.8	0	0	0	0	0	0
8	Mphamo ,U (Ureeze)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mphamo ,U (Ureeze)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Bheki ,P (Prince)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bheki ,P (Prince)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Bezuidenhout ,N (Nigel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bezuidenhout ,N (Nigel)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Mahlangu, C (Calvin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms