Chess South Africa Ratings Database

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Personal

Mamatu, A (Amila)

Chess SA id

1070154726

FIDE id

Date of birth

2007-11-05 (U20)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

27.7

Junior GPX Points

1246.6

Item	Main	Standard	Rapid	Blitz
Rating	1431	1435.1	1147.8	1293.5
Raw rating	1431	1435.1	1147.8	1291.3
Weighted rating	1399	1403.2	1147.3	1293.5
Weighted performance	1329.1	1333.7	0	0
Floor	931.9	937.5	700	812
K-factor	32	32	36	36
Min/Max rating change allowed	119.3	118.6	178.6	145.6
Highest rating	1431.9 2025-05-05	1437.5 2025-05-05	1200 2018-10-01	1458.1 2024-03-01
Highest raw rating	1431.9 2025-05-05	1437.5 2025-05-05	1200 2019-12-01	1312 2024-04-01
Highest weighted rating	1389.9 2025-08-01	1394.5 2025-08-01	1200 2018-10-01	1291.3 2025-08-01
Highest weighted performance	1415.5 2024-04-01	1407.9 2024-09-01	1200 2019-12-01	1458.1 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0.6
New rating	1431	1435.1	1147.8	1294.1
Analysis
Rating	1431	1435.1	1147.8	1293.5
Raw rating	1431	1435.1	1147.8	1291.3
Weighted rating	1399	1403.2	1147.3
Weighted performance	1329.1	1333.7	0
K-factor	32	32	36	36
Floor	931.9	937.5	700	812
Max/Min rating change allowed	119.3	118.6	178.6	145.6
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	1431	1435.1	1147.8	1291.3
New weighted rating	1402.9	1406.9	1147.4	1294.1
New weighted performance	1328.6	1333.3	0	0
Temp new rating	1431	1435.1	1147.8	1294.1
Temp new rating +/-	0	0	0	0.6
Final new rating +/-	0	0	0	0.6
New rating	1431	1435.1	1147.8	1294.1
New K-factor	32	32	36	36
New floor	931.9	937.5	700	812

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	30	22	0	8
	79	67	0	12
	47	30	7	10
	0	0	0	0
	0	0	0	0
History	156	119	7	30

Games since
	Main 130	Standard 100		Rapid 0		Blitz 30
Gender	Male
Age group	U20
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1860		244		82
Male	1560		212		68
U20	164		30		11
U20 Male	138		27		9
Standard
	RSA		Province		Region
Overall	1712		228		80
Male	1426		196		66
U20	152		26		11
U20 Male	123		22		9
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	296		27		17
Male	281		26		16
U20	29		8		6
U20 Male	27		7		5


	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	30	17.5	58.33	70.8	1301.7	1372.5
Standard	22	14	63.64	115.9	1302	1418
Rapid	0	0	0	0	0	0
Blitz	8	3.5	43.75	-53.1	1300.8	1247.7
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	156	95.5	61.22	95.4	1290.4	1385.7
Standard	119	74	62.18	103.6	1287.1	1390.7
Rapid	7	3	42.86	-60.7	1259	1198.3
Blitz	30	18.5	61.67	99.2	1310.6	1409.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1431	1435.1	1147.8	1291.3
2025-09-01	1431	1435.1	1147.8	1291.3
2025-08-01	1431	1435.1	1147.8	1291.3
2025-07-01	1431	1435.1	1147.8	1289.8
2025-06-01	1431	1435.1	1147.8	1288.2
2025-05-01	1431.9	1437.5	1147.8	1286.3
2025-04-01	1364.1	1369.7	1147.8	1284.3
2025-03-01	1361.4	1367.1	1147.8	1282
2025-02-01	1357.7	1363.2	1147.8	1277.3
2025-01-01	1389.7	1391.6	1146.7	1312
2024-12-01	1402.4	1408.2	1146.7	1312
2024-11-01	1402.4	1408.2	1146.7	1312
2024-10-01	1402.4	1408.2	1146.7	1312
2024-09-01	1380.3	1381.6	1146.7	1312
2024-08-01	1354.2	1348.5	1146.7	1312
2024-07-01	1372.4	1372.3	1146.7	1312
2024-06-01	1383.8	1387.4	1146.7	1312
2024-08-01	1385.9	1390.3	1146.7	1312
2024-04-01	1362	1359.5	1146.7	1312
2024-03-01	1349.3	1349.8	1146.7	1264.5
2024-02-01	1349.3	1349.8	1146.7	1264.5
2024-01-01	1325.4	1349.8	1146.7	1196.8
2023-12-01	1325.4	1349.8	1146.7	1196.8
2023-11-01	1325.4	1349.8	1146.7	1196.8

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 Buffalo City Chess Trials 3 (U20+Adults)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
2	UFH Open 2025 (B)	2025-04-19	2025-04-20	Standard	Buffalo City (EBC)	7	7	5.5	Yes	Analysis
3	2025 Buffalo City Chess Trials 2 (U20+Adults)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
4	NMBCU vs BCC Derby Chess Invitational 2025 (Open A)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
5	NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A)	2025-01-12	2025-01-12	Blitz	Nelson Mandela Bay (ENM)	9	8	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Buffalo City Chess Trials 3 (U20+Adults)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
2	UFH Open 2025 (B)	2025-04-19	2025-04-20	Standard	Buffalo City (EBC)	7	7	5.5	Yes	Analysis
3	2025 Buffalo City Chess Trials 2 (U20+Adults)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
4	NMBCU vs BCC Derby Chess Invitational 2025 (Open A)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
5	NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A)	2025-01-12	2025-01-12	Blitz	Nelson Mandela Bay (ENM)	9	8	3.5	Yes	Analysis
6	EL Junior Closed 2024 (U18+U20)	2024-11-23	2024-11-23	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
7	Term 3 Port Rex Tourney 2024	2024-08-19	2024-09-02	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
8	Port Rex 4-way 2024 (Dash 3)	2024-07-24	2024-08-24	Standard	Buffalo City (EBC)	6	6	5	Yes	Analysis
9	5th BC Trials 2024 (U18-Adult)	2024-08-24	2024-08-24	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
10	Buffalo City District Schools Chess All Ages Championships 2024 (U18 Boys)	2024-08-10	2024-08-10	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
11	EL Schools Chess All Ages Festival 2024 (U18 Open)	2024-08-03	2024-08-03	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
12	BC 4th HS Trials 204 (U18-Adult)	2024-07-20	2024-07-20	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
13	Term 2 Port Rex Tourney 2024	2024-04-03	2024-05-15	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
14	BC Chess HS Trials 3 2024 (U18-Adult)	2024-05-04	2024-05-04	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
15	UFH Open 2024 (B)	2024-04-13	2024-04-14	Standard	Amathole (EAL)	7	7	4.5	Yes	Analysis
16	2nd Buffalo City Chess Trials 2024 (U18A)	2024-04-06	2024-04-06	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
17	Port Rex Private Camp 1 Blitz 2024	2024-03-22	2024-03-22	Blitz	Buffalo City (EBC)	7	3	3	Yes	Analysis
18	1st BC Chess Trials 2024 (U18A)	2024-03-02	2024-03-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
19	Pearson Open Chess Tournament 2024 (B)	2024-02-23	2024-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
20	Chess Vikings VP-Mall Blitz 2024 (B)	2024-01-27	2024-01-27	Blitz	Buffalo City (EBC)	9	9	7	Yes	Analysis
21	Chess Vikings Wild Card 2023 (U18+U20)	2023-10-02	2023-10-02	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
22	BC Vikings Closed 2023 (U18+U20)	2023-10-03	2023-10-04	Standard	Buffalo City (EBC)	6	6	3	Yes	Analysis
23	BC Vikings Blitz Championship 2023	2023-10-05	2023-10-05	Blitz	Buffalo City (EBC)	10	10	5	Yes	Analysis
24	UFH Heritage Open 2023 (B)	2023-09-23	2023-09-23	Standard	Amathole (EAL)	5	5	2	Yes	Analysis
25	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
26	4th BC HS Trials 2023 (U18A-Adult)	2023-08-26	2023-08-26	Standard	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis
27	2nd BC Trials 2023 (U18-Adults)	2023-06-17	2023-06-17	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis
28	EL Schools Winter Trials 2023 (U18 Boys)	2023-05-13	2023-05-13	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis

#	Games	Start				End
1	9	Tournament Port Rex 4-way 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-07-24	rnd 1	type Standard	result 1	date 2024-08-10	rnd 2	type Standard	result 1
		Opponent Dowa, M (Makanaka)				Opponent Bongo, L (Liyema)
2	8	Tournament 5th BC Trials 2024				Tournament Term 3 Port Rex Tourney 2024
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-09-02	rnd 3	type Standard	result 1
		Opponent Kameli, J (Jondre)				Opponent Ngani, L (Lulibo)
3	8	Tournament 2nd Buffalo City Chess Trials 2024				Tournament UFH Open 2024
		date 2024-04-06	rnd 3	type Standard	result 1	date 2024-04-13	rnd 4	type Standard	result 1
		Opponent Mafukidze, T (Tafara)				Opponent Masali, E (Elethu)

#	Games	Start				End
1	9	Tournament Port Rex 4-way 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-07-24	rnd 1	type Standard	result 1	date 2024-08-10	rnd 2	type Standard	result 1
		Opponent Dowa, M (Makanaka)				Opponent Bongo, L (Liyema)
2	8	Tournament 5th BC Trials 2024				Tournament Term 3 Port Rex Tourney 2024
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-09-02	rnd 3	type Standard	result 1
		Opponent Kameli, J (Jondre)				Opponent Ngani, L (Lulibo)
3	8	Tournament 2nd Buffalo City Chess Trials 2024				Tournament UFH Open 2024
		date 2024-04-06	rnd 3	type Standard	result 1	date 2024-04-13	rnd 4	type Standard	result 1
		Opponent Mafukidze, T (Tafara)				Opponent Masali, E (Elethu)

#	Games	Start				End
1	3	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-17	rnd 2	type Rapid	result 0.5	date 2023-06-17	rnd 4	type Rapid	result 0.5
		Opponent Mazele, Y (Yonwaba)				Opponent Jikijela, A (Anisha)
2	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-17	rnd 6	type Rapid	result 1	date 2023-06-17	rnd 6	type Rapid	result 1
		Opponent Bwema, D (David)				Opponent Bwema, D (David)

#	Games	Start				End
1	9	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Port Rex Private Camp 1 Blitz 2024
		date 2024-01-27	rnd 4	type Blitz	result 0.5	date 2024-03-22	rnd 7	type Blitz	result 1
		Opponent Witbooi, J (Joshua)				Opponent Skepu, L (Liqhawe)
2	4	Tournament BC Vikings Blitz Championship 2023				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2023-10-05	rnd 9	type Blitz	result 1	date 2024-01-27	rnd 2	type Blitz	result 1
		Opponent Wildeman, J (Jordez)				Opponent Thebus, S (Siddeeq)
3	2	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCU vs BCC Derby Chess Invitational 2025
		date 2025-01-12	rnd 4	type Blitz	result 0.5	date 2025-01-12	rnd 5	type Blitz	result 1
		Opponent Willem, M (Mawande)				Opponent Wilson, D (Dharrel)

#	Games	Start				End
1	8	Tournament 2nd Buffalo City Chess Trials 2024				Tournament UFH Open 2024
		date 2024-04-06	rnd 3	type Standard	result 1	date 2024-04-13	rnd 4	type Standard	result 1
		Opponent Mafukidze, T (Tafara)				Opponent Masali, E (Elethu)
2	6	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Pearson Open Chess Tournament 2024
		date 2024-01-27	rnd 6	type Blitz	result 1	date 2024-02-23	rnd 2	type Standard	result 1
		Opponent Beecum, V (Viha)				Opponent Cerfonteyn, Z (Zeenat)
3	4	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-01-12	rnd 9	type Blitz	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Slater, J (James)				Opponent Mkhosi, H (Hlumile)

#	Games	Start				End
1	8	Tournament 2nd Buffalo City Chess Trials 2024				Tournament UFH Open 2024
		date 2024-04-06	rnd 3	type Standard	result 1	date 2024-04-13	rnd 4	type Standard	result 1
		Opponent Mafukidze, T (Tafara)				Opponent Masali, E (Elethu)
2	4	Tournament 5th BC Trials 2024				Tournament Port Rex 4-way 2024
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-08-24	rnd 4	type Standard	result 1
		Opponent Kameli, J (Jondre)				Opponent Dowa, M (Makanaka)
3	3	Tournament UFH Open 2025				Tournament UFH Open 2025
		date 2025-04-19	rnd 1	type Standard	result 1	date 2025-04-19	rnd 3	type Standard	result 1
		Opponent Dladla, V (Vuyelwa)				Opponent Mvoko, Y (Yanga)

#	Games	Start				End
1	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-17	rnd 6	type Rapid	result 1	date 2023-06-17	rnd 6	type Rapid	result 1
		Opponent Bwema, D (David)				Opponent Bwema, D (David)
2	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-17	rnd 3	type Rapid	result 1	date 2023-06-17	rnd 3	type Rapid	result 1
		Opponent Sinkala, A (Amenye)				Opponent Sinkala, A (Amenye)

#	Games	Start				End
1	7	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Port Rex Private Camp 1 Blitz 2024
		date 2024-01-27	rnd 6	type Blitz	result 1	date 2024-03-22	rnd 7	type Blitz	result 1
		Opponent Beecum, V (Viha)				Opponent Skepu, L (Liqhawe)
2	2	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 1	type Blitz	result 1	date 2024-01-27	rnd 2	type Blitz	result 1
		Opponent Moyo, M (Mihle)				Opponent Thebus, S (Siddeeq)
3	2	Tournament BC Vikings Blitz Championship 2023				Tournament BC Vikings Blitz Championship 2023
		date 2023-10-05	rnd 2	type Blitz	result 1	date 2023-10-05	rnd 3	type Blitz	result 1
		Opponent Witbooi, J (Joshua)				Opponent Du Preez, D (Dante)

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	Jikijela ,A (Anisha)	6	4.5	212.5	4	3	212.5	1	0.5	0	1	1	425
1	Jikijela ,A (Anisha)	6	1295.4	1507.9	4	1278.2	1507.9	1	902.4	1295.4	1	1025.6	1720.4
2	Mayo ,E (Esinaye)	4	3	212.5	3	2	141.7	0	0	0	1	1	425
2	Mayo ,E (Esinaye)	4	1267.6	1480.1	3	1303.6	1409.3	0	0	0	1	1200	1692.6
3	Kameli ,J (Jondre)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Kameli ,J (Jondre)	3	1193.8	1052.1	3	1208.3	1052.1	0	0	0	0	0	0
4	Sibuku ,L (Lulibolwethu)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Sibuku ,L (Lulibolwethu)	3	1101.7	1243.4	3	1085.9	1243.4	0	0	0	0	0	0
5	Bwema ,D (David)	3	3	425	2	2	425	1	1	425	0	0	0
5	Bwema ,D (David)	3	1150.9	1575.9	2	1186.5	1575.9	1	1200	1575.9	0	0	0
6	Williams ,C (Cuan)	3	1	-141.7	2	0.5	-212.5	0	0	0	1	0.5	0
6	Williams ,C (Cuan)	3	1317.1	1175.5	2	1304.3	1104.6	0	0	0	1	1200	1317.1
7	Solms ,J (Jayden)	3	2	141.7	2	1.5	212.5	0	0	0	1	0.5	0
7	Solms ,J (Jayden)	3	1282.4	1424	2	1269.1	1494.9	0	0	0	1	1208.4	1282.4
8	Scheepers ,S (Storm)	3	1	-141.7	2	1	0	0	0	0	1	0	-425
8	Scheepers ,S (Storm)	3	1483.9	1342.2	2	1541.1	1483.9	0	0	0	1	912.9	1058.9
9	Sitwayi ,I (Iviwe)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Sitwayi ,I (Iviwe)	2	1165.8	1378.2	2	1158.8	1378.2	0	0	0	0	0	0
10	Cerfonteyn ,Z (Zeenat)	2	1	0	2	1	0	0	0	0	0	0	0
10	Cerfonteyn ,Z (Zeenat)	2	1191.2	1191.2	2	1183	1191.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Mamatu, A (Amila)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms