Chess South Africa Ratings Database

PLAYER PAGE

Personal

John-Langba, M (Mukeh)

Chess SA id

1070312815

FIDE id

Date of birth

2007-09-11 (U20)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1253.7	1243.3	1216.8	1200
Raw rating	1253.7	1243.3	1216.8	1200
Weighted rating	1219.6	1210	1212.4	1200
Weighted performance	0	0	0	0
Floor	753.7	743.3	716.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.6	155.9	161.9	165.8
Highest rating	1253.7 2025-08-01	1243.3 2025-08-01	1265.2 2024-11-01	1200 2024-10-01
Highest raw rating	1253.7 2025-08-01	1243.3 2025-08-01	1216.8 2024-11-01	1200 2024-10-01
Highest weighted rating	1212.4 2025-08-01	1203.5 2025-08-01	1210.9 2025-08-01	1200 2024-10-01
Highest weighted performance	1225.1 2024-11-01	1200 2024-10-01	1265.2 2024-11-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1253.7	1243.3	1216.8	1200
Analysis
Rating	1253.7	1243.3	1216.8	1200
Raw rating	1253.7	1243.3	1216.8	1200
Weighted rating	1219.6	1210	1212.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	753.7	743.3	716.8	700
Max/Min rating change allowed	153.6	155.9	161.9	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	1253.7	1243.3	1216.8	1200
New weighted rating	1222.9	1213	1213.1	1200
New weighted performance	0	0	0	0
Temp new rating	1253.7	1243.3	1216.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1253.7	1243.3	1216.8	1200
New K-factor	36	36	36	36
New floor	753.7	743.3	716.8	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	12	6	6

Games since
	Main 12	Standard 6		Rapid 6		Blitz 0
Gender	Male
Age group	U20
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	6	3.5	58.33	70.8	1331.9	1402.7
Standard	6	3.5	58.33	70.8	1331.9	1402.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	7	58.33	70.8	1278.2	1349
Standard	6	3.5	58.33	70.8	1331.9	1402.7
Rapid	6	3.5	58.33	70.8	1224.5	1295.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1253.7	1243.3	1216.8	1200
2025-09-01	1253.7	1243.3	1216.8	1200
2025-08-01	1253.7	1243.3	1216.8	1200
2025-07-01	1214.2	1200	1216.8	1200
2025-06-01	1214.2	1200	1216.8	1200
2025-05-01	1214.2	1200	1216.8	1200
2025-04-01	1214.2	1200	1216.8	1200
2025-03-01	1214.2	1200	1216.8	1200
2025-02-01	1214.2	1200	1216.8	1200
2025-01-01	1214.2	1200	1216.8	1200
2024-12-01	1214.2	1200	1216.8	1200
2024-11-01	1214.2	1200	1216.8	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	2025 ECA 2nd Youth Trials (U18+U20)	2025-07-26	2025-07-27	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 ECA 2nd Youth Trials (U18+U20)	2025-07-26	2025-07-27	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
2	SACSSA Nationals 2024 (U19 Boys)	2024-10-19	2024-10-19	Rapid	Ekurhuleni (GE)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-27	rnd 4	type Standard	result 1
		Opponent Mbele, L (Lungelo)				Opponent Mbhele, W (Wandile)
2	3	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Nala, C (Cebolenkosi)				Opponent Kala, T (Thato)
3	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-27	rnd 6	type Standard	result 1	date 2025-07-27	rnd 6	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Subramoney, R (Riaan)

#	Games	Start				End
1	3	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-27	rnd 4	type Standard	result 1
		Opponent Mbele, L (Lungelo)				Opponent Mbhele, W (Wandile)
2	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-27	rnd 6	type Standard	result 1	date 2025-07-27	rnd 6	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Subramoney, R (Riaan)

#	Games	Start				End
1	3	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Nala, C (Cebolenkosi)				Opponent Kala, T (Thato)
2	1	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 5	type Rapid	result 0.5	date 2024-10-19	rnd 5	type Rapid	result 0.5
		Opponent Musamiri, T (Tendekai)				Opponent Musamiri, T (Tendekai)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Nala, C (Cebolenkosi)				Opponent Kala, T (Thato)
2	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-27	rnd 6	type Standard	result 1	date 2025-07-27	rnd 6	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Subramoney, R (Riaan)
3	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-27	rnd 4	type Standard	result 1	date 2025-07-27	rnd 4	type Standard	result 1
		Opponent Mbhele, W (Wandile)				Opponent Mbhele, W (Wandile)

#	Games	Start				End
1	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-27	rnd 6	type Standard	result 1	date 2025-07-27	rnd 6	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Subramoney, R (Riaan)
2	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-27	rnd 4	type Standard	result 1	date 2025-07-27	rnd 4	type Standard	result 1
		Opponent Mbhele, W (Wandile)				Opponent Mbhele, W (Wandile)
3	1	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Mbele, L (Lungelo)				Opponent Mbele, L (Lungelo)

#	Games	Start				End
1	3	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Nala, C (Cebolenkosi)				Opponent Kala, T (Thato)

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	Nala ,C (Cebolenkosi)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Nala ,C (Cebolenkosi)	2	1221.7	1221.7	1	1200	796.7	1	1200	1646.7	0	0	0
2	Subramoney ,R (Riaan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Subramoney ,R (Riaan)	1	1436.2	1861.2	1	1418.6	1861.2	0	0	0	0	0	0
3	Mgaga ,P (Phakade)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mgaga ,P (Phakade)	1	1499.6	1074.6	1	1448.8	1074.6	0	0	0	0	0	0
4	Mbele ,L (Lungelo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mbele ,L (Lungelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mbhele ,W (Wandile)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mbhele ,W (Wandile)	1	1225.7	1650.7	1	1200	1650.7	0	0	0	0	0	0
6	Pillai ,N (Nandana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Pillai ,N (Nandana)	1	1386.3	1386.3	1	1337.1	1386.3	0	0	0	0	0	0
7	Yusuf ,N (Nathanael)	1	1	425	0	0	0	1	1	425	0	0	0
7	Yusuf ,N (Nathanael)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Walz ,T (Tim)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Walz ,T (Tim)	1	1346.9	921.9	0	0	0	1	1200	921.9	0	0	0
9	Kala ,T (Thato)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kala ,T (Thato)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Mcgill ,L (Ludwig)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mcgill ,L (Ludwig)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

John-Langba, M (Mukeh)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms