Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mayanga, D (David)

Chess SA id

1140308307

FIDE id

Date of birth

2014-11-30 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

25.5

Junior GPX Points

1194.1

Item	Main	Standard	Rapid	Blitz
Rating	1246.8	1227	1220.1	1200
Raw rating	1246.8	1227	1220.1	1200
Weighted rating	1195.9	1184.9	1208.5	1200
Weighted performance	1227.8	1188	0	0
Floor	762	728.8	746	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.1	159.6	161.1	165.8
Highest rating	1269.2 2025-09-30	1228.8 2025-09-01	1246 2025-09-01	1200 2024-07-01
Highest raw rating	1262 2025-09-01	1228.8 2025-09-01	1246 2025-09-01	1200 2024-07-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1208.5 2025-11-01	1200 2024-07-01
Highest weighted performance	1269.2 2025-09-30	1201.5 2025-09-30	1200 2024-07-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1246.8	1227	1220.1	1200
Analysis
Rating	1246.8	1227	1220.1	1200
Raw rating	1246.8	1227	1220.1	1200
Weighted rating	1195.9	1184.9	1208.5
Weighted performance	1227.8	1188	0
K-factor	36	36	36	36
Floor	762	728.8	746	700
Max/Min rating change allowed	155.1	159.6	161.1	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	1246.8	1227	1220.1	1200
New weighted rating	1200.3	1188.3	1209.7	1200
New weighted performance	1220.5	1180.8	0	0
Temp new rating	1246.8	1227	1220.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1246.8	1227	1220.1	1200
New K-factor	36	36	36	36
New floor	762	728.8	746	700

Item	Main	Standard	Rapid
	0	0	0
	31	20	11
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	36	25	11

Games since
	Main 36	Standard 25		Rapid 11		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	31	14	45.16	-41.1	1300	1258.9
Standard	20	8	40	-85	1319.1	1234.1
Rapid	11	6	54.55	38.6	1265.4	1304.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	15.5	43.06	-59	1282.4	1223.4
Standard	25	9.5	38	-102	1289.9	1187.9
Rapid	11	6	54.55	38.6	1265.4	1304.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1246.8	1227	1220.1	1200
2025-09-30	1259.3	1227	1246	1200
2025-09-01	1262	1228.8	1246	1200
2025-08-01	1182.5	1175.8	1200	1200
2025-07-01	1182.5	1175.8	1200	1200
2025-06-01	1178	1172.6	1200	1200
2025-05-01	1181.6	1177	1200	1200
2025-04-01	1181.6	1177	1200	1200
2025-03-01	1181.6	1177	1200	1200
2025-02-01	1180.6	1175.9	1200	1200
2025-01-01	1160.5	1150.8	1200	1200
2024-12-01	1160.5	1150.8	1200	1200
2024-11-01	1160.5	1150.8	1200	1200
2024-10-01	1160.5	1150.8	1200	1200
2024-09-01	1160.5	1150.8	1200	1200
2024-08-01	1160.5	1150.8	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	Chess Molecules Rapid 2025 (C)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Trial 4 2025 (F)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Benoni Primary School Cluster Teams 2025 (U11A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
4	Ekurhuleni Trials 2025 (F)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Ekurhuleni Trial 2 2025 (F)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Ekurhuleni Trials 2025 (F)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Molecules Rapid 2025 (C)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Trial 4 2025 (F)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Benoni Primary School Cluster Teams 2025 (U11A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
4	Ekurhuleni Trials 2025 (F)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Ekurhuleni Trial 2 2025 (F)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Ekurhuleni Trials 2025 (F)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
7	Ekurhuleni Trails 2 2024 (U12)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 6	type Rapid	result 1
		Opponent Kew, R (Rachel)				Opponent Stroebel, L (Ludrik)
2	2	Tournament Ekurhuleni Trial 4 2025				Tournament Ekurhuleni Trial 4 2025
		date 2025-09-21	rnd 3	type Standard	result 1	date 2025-09-21	rnd 4	type Standard	result 1
		Opponent Lynch, P (Phoebe)				Opponent Mokokoane, NK (Ntsoeu�Keketso)
3	2	Tournament Chess Molecules Rapid 2025				Tournament Chess Molecules Rapid 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent De Amorim, C (Connor)				Opponent Tiba, T (Tselani)

#	Games	Start				End
1	2	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Ngwenya, E (Evelyn)				Opponent Duvenage, A (Alejandro)
2	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Lynch, P (Phoebe)				Opponent Mokokoane, NK (Ntsoeu�Keketso)
3	2	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 2 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 0.5
		Opponent Collins, J (Jaytem)				Opponent Alberts, L (Layke)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 6	type Rapid	result 1
		Opponent Kew, R (Rachel)				Opponent Stroebel, L (Ludrik)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 6	type Rapid	result 1
		Opponent Kew, R (Rachel)				Opponent Stroebel, L (Ludrik)
2	2	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Ngwenya, E (Evelyn)				Opponent Duvenage, A (Alejandro)
3	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Lynch, P (Phoebe)				Opponent Mokokoane, NK (Ntsoeu�Keketso)

#	Games	Start				End
1	2	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Ngwenya, E (Evelyn)				Opponent Duvenage, A (Alejandro)
2	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Lynch, P (Phoebe)				Opponent Mokokoane, NK (Ntsoeu�Keketso)
3	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Beaton, M (Miah)				Opponent Beaton, M (Miah)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 6	type Rapid	result 1
		Opponent Kew, R (Rachel)				Opponent Stroebel, L (Ludrik)

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	Duvenage ,A (Alejandro)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Duvenage ,A (Alejandro)	3	1373.1	1231.4	3	1370.3	1231.4	0	0	0	0	0	0
2	Mokokoane ,NK (Ntsoeu�Keketso)	2	2	425	2	2	425	0	0	0	0	0	0
2	Mokokoane ,NK (Ntsoeu�Keketso)	2	1399.2	1824.2	2	1332.7	1824.2	0	0	0	0	0	0
3	Sardinha ,S (Seveano)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Sardinha ,S (Seveano)	2	1250.5	825.5	2	1219.1	825.5	0	0	0	0	0	0
4	Lynch ,P (Phoebe)	2	2	425	2	2	425	0	0	0	0	0	0
4	Lynch ,P (Phoebe)	2	1201	1626	2	1200.9	1626	0	0	0	0	0	0
5	De Bruyn ,R (Ricard)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	De Bruyn ,R (Ricard)	2	1348.2	923.2	2	1350.1	923.2	0	0	0	0	0	0
6	Beaton ,M (Miah)	2	1	0	2	1	0	0	0	0	0	0	0
6	Beaton ,M (Miah)	2	1248.1	1248.1	2	1242.9	1248.1	0	0	0	0	0	0
7	Ngwenya ,E (Evelyn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ngwenya ,E (Evelyn)	1	1228.5	1653.5	1	1234.5	1653.5	0	0	0	0	0	0
8	Mafane ,B (Bontle)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mafane ,B (Bontle)	1	1198.2	773.2	1	1174.3	773.2	0	0	0	0	0	0
9	Machuisa ,L (Leben)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Machuisa ,L (Leben)	1	1314	889	1	1304	889	0	0	0	0	0	0
10	Sathiyamoorthy ,A (Amrithshiyam)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Sathiyamoorthy ,A (Amrithshiyam)	1	1362.1	937.1	1	1348.5	937.1	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

Mayanga, D (David)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms