Chess South Africa Ratings Database

PLAYER PAGE

Personal

Langa, S (Serwanya)

Chess SA id

1930100085

FIDE id

Date of birth

1993-02-08 (Adult)

Gender

Male

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-03-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1257.4	1243.1	1300	1300
Raw rating	1257.4	1243.1	1300	1300
Weighted rating	1256.6	1242.5	1299.7	1299.7
Weighted performance	0	0	0	0
Floor	757.4	743.1	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	152.8	155.9	143.8	143.8
Highest rating	1257.4 2024-02-01	1243.1 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1257.4 2024-02-01	1243.1 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1249.9 2025-08-01	1236.2 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1257.4	1243.1	1300	1300
Analysis
Rating	1257.4	1243.1	1300	1300
Raw rating	1257.4	1243.1	1300	1300
Weighted rating	1256.6	1242.5	1299.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	757.4	743.1	800	800
Max/Min rating change allowed	152.8	155.9	143.8	143.8
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	1257.4	1243.1	1300	1300
New weighted rating	1257.4	1243.1	1300	1300
New weighted performance	0	0	0	0
Temp new rating	1257.4	1243.1	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1257.4	1243.1	1300	1300
New K-factor	36	36	36	36
New floor	757.4	743.1	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Chess South Africa (CSA)
Province
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	14	2.5	17.86	-273.2	1200	926.8
Standard	14	2.5	17.86	-273.2	1200	926.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1257.4	1243.1	1300	1300
2025-09-30	1257.4	1243.1	1300	1300
2025-09-01	1257.4	1243.1	1300	1300
2025-08-01	1257.4	1243.1	1300	1300
2025-07-01	1257.4	1243.1	1300	1300
2025-06-01	1257.4	1243.1	1300	1300
2025-05-01	1257.4	1243.1	1300	1300
2025-04-01	1257.4	1243.1	1300	1300
2025-03-01	1257.4	1243.1	1300	1300
2025-02-01	1257.4	1243.1	1300	1300
2025-01-01	1257.4	1243.1	1300	1300
2024-12-01	1257.4	1243.1	1300	1300
2024-11-01	1257.4	1243.1	1300	1300
2024-10-01	1257.4	1243.1	1300	1300
2024-09-01	1257.4	1243.1	1300	1300
2024-08-01	1257.4	1243.1	1300	1300
2024-07-01	1257.4	1243.1	1300	1300
2024-09-01	1257.4	1243.1	1300	1300
2024-05-01	1257.4	1243.1	1300	1300
2024-04-01	1257.4	1243.1	1300	1300
2024-03-01	1257.4	1243.1	1300	1300
2024-02-01	1257.4	1243.1	1300	1300
2024-01-01	1257.4	1243.1	1300	1300
2023-12-01	1034.2	1034.2	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	Waterberg District Chess League 2018	2018-03-17	2018-03-25	Standard	Waterberg (LWM)	14	14	2.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-24	rnd 11	type Standard	result 1	date 2018-03-24	rnd 11	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)
2	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-21	rnd 8	type Standard	result 0.5	date 2018-03-21	rnd 8	type Standard	result 0.5
		Opponent Kgodumo, J (Jerry)				Opponent Kgodumo, J (Jerry)
3	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-18	rnd 4	type Standard	result 1	date 2018-03-18	rnd 4	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)

#	Games	Start				End
1	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-24	rnd 11	type Standard	result 1	date 2018-03-24	rnd 11	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)
2	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-21	rnd 8	type Standard	result 0.5	date 2018-03-21	rnd 8	type Standard	result 0.5
		Opponent Kgodumo, J (Jerry)				Opponent Kgodumo, J (Jerry)
3	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-18	rnd 4	type Standard	result 1	date 2018-03-18	rnd 4	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-24	rnd 11	type Standard	result 1	date 2018-03-24	rnd 11	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)
2	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-18	rnd 4	type Standard	result 1	date 2018-03-18	rnd 4	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)

#	Games	Start				End
1	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-24	rnd 11	type Standard	result 1	date 2018-03-24	rnd 11	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)
2	1	Tournament Waterberg District Chess League 2018				Tournament Waterberg District Chess League 2018
		date 2018-03-18	rnd 4	type Standard	result 1	date 2018-03-18	rnd 4	type Standard	result 1
		Opponent Ledwaba, P (Peter)				Opponent Ledwaba, P (Peter)

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	Ledwaba ,P (Peter)	2	2	425	2	2	425	0	0	0	0	0	0
1	Ledwaba ,P (Peter)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
2	Monama ,W (Wethu Charles)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Monama ,W (Wethu Charles)	2	1200	775	2	1200	775	0	0	0	0	0	0
3	Ledwaba ,S (Solomon)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Ledwaba ,S (Solomon)	2	1200	775	2	1200	775	0	0	0	0	0	0
4	Nkuna ,D (David)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Nkuna ,D (David)	2	1200	775	2	1200	775	0	0	0	0	0	0
5	Matlakala ,CM (Clement Matome)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Matlakala ,CM (Clement Matome)	2	1200	775	2	1200	775	0	0	0	0	0	0
6	Mosetlhe ,T (Terror)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Mosetlhe ,T (Terror)	2	1200	775	2	1200	775	0	0	0	0	0	0
7	Kgodumo ,J (Jerry)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Kgodumo ,J (Jerry)	2	1200	987.5	2	1200	987.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

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PLAYER PAGE

Personal

Langa, S (Serwanya)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms