Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mangali, O (Ongama)

Chess SA id

1090138066

FIDE id

Date of birth

2009-01-01 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

25.7

Junior GPX Points

1304.6

Item	Main	Standard	Rapid	Blitz
Rating	1364.5	1377.8	1182.3	1200
Raw rating	1364.5	1377.8	1181.5	1200
Weighted rating	1327.9	1343.2	1182.3	1200
Weighted performance	1283.1	1301.9	0	0
Floor	867.6	882.5	752.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	131.2	128.7	170.2	165.8
Highest rating	1367.6 2025-07-01	1382.5 2025-07-01	1252.6 2024-08-01	1200 2018-10-01
Highest raw rating	1367.6 2025-07-01	1382.5 2025-07-01	1252.6 2024-08-01	1200 2024-02-01
Highest weighted rating	1315.9 2025-09-01	1331 2025-09-01	1252.6 2018-10-01	1200 2018-10-01
Highest weighted performance	1341.5 2025-07-01	1361.3 2024-03-01	1249.2 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1364.5	1377.8	1182.4	1200
Analysis
Rating	1364.5	1377.8	1182.3	1200
Raw rating	1364.5	1377.8	1181.5	1200
Weighted rating	1327.9	1343.2	1182.3
Weighted performance	1283.1	1301.9	0
K-factor	36	36	36	36
Floor	867.6	882.5	752.6	700
Max/Min rating change allowed	131.2	128.7	170.2	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	1364.5	1377.8	1181.5	1200
New weighted rating	1332.9	1348.3	1182.4	1200
New weighted performance	1275.1	1293.7	0	0
Temp new rating	1364.5	1377.8	1182.4	1200
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1364.5	1377.8	1182.4	1200
New K-factor	36	36	36	36
New floor	867.6	882.5	752.6	700

Item	Main	Standard	Rapid
	0	0	0
	24	24	0
	40	23	17
	11	11	0
	4	0	4
	0	0	0
History	79	58	21

Games since
	Main 64	Standard 47		Rapid 17		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2568		819		358
Male	2066		629		288
U18	402		117		47
U18 Male	340		94		39
Standard
	RSA		Province		Region
Overall	2332		649		304
Male	1886		501		242
U18	384		99		43
U18 Male	331		81		36
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	24	13	54.17	35.4	1385	1420.4
Standard	24	13	54.17	35.4	1385	1420.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	79	39	49.37	-5.4	1301.8	1296.4
Standard	58	31	53.45	29.3	1322.4	1351.7
Rapid	21	8	38.1	-101.2	1244.7	1143.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1364.5	1377.8	1181.5	1200
2025-09-30	1364.5	1377.8	1181.5	1200
2025-09-01	1364.5	1377.8	1181.5	1200
2025-08-01	1367.6	1382.5	1181.5	1200
2025-07-01	1367.6	1382.5	1181.1	1200
2025-06-01	1358.3	1375.7	1180.6	1200
2025-05-01	1358.3	1375.7	1180.1	1200
2025-04-01	1358.3	1375.7	1179.6	1200
2025-03-01	1275.8	1307.4	1178.8	1200
2025-02-01	1268	1306.1	1176.1	1200
2025-01-01	1268	1306.1	1146.8	1200
2024-12-01	1268	1306.1	1146.8	1200
2024-11-01	1268	1306.1	1146.8	1200
2024-10-01	1321	1306.1	1252.6	1200
2024-09-01	1321	1306.1	1252.6	1200
2024-08-01	1321	1306.1	1252.6	1200
2024-07-01	1320.3	1306.1	1226	1200
2024-09-01	1325.7	1325.9	1157.2	1200
2024-05-01	1325.7	1325.9	1157.2	1200
2024-04-01	1325.7	1325.9	1157.2	1200
2024-03-01	1206.4	1217.2	1157.2	1200
2024-02-01	1172.9	1185.2	1157.2	1200
2024-01-01	1172.9	1185.2	1157.2	1200
2023-12-01	1172.9	1185.2	1157.2	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	Cape Town Metro Top Schools District Central 2025 (U19)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	1	1	0	Yes	Analysis
2	Cape Town Chess Junior League 2025 (U18)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
4	CT Metro Schools Individual Closed 2025 (U17 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	2025 District Central Schools Chess Individual Trials (U18 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro Top Schools District Central 2025 (U19)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	1	1	0	Yes	Analysis
2	Cape Town Chess Junior League 2025 (U18)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
4	CT Metro Schools Individual Closed 2025 (U17 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	2025 District Central Schools Chess Individual Trials (U18 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
6	Spring Slam 2024 (B)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	5	0	Yes	Analysis
7	Curro Durbanville Chess Rapid Open 2024 (Intermediate)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Rylib Winter Slam 2024 (Intermediate)	2024-06-19	2024-06-19	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Cape Town Chess Federation Closed Chess Championships 2024 (D)	2024-06-15	2024-06-17	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	Western Cape HS Individuals Championship 2024 (U15 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
11	Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
12	CT Metro Central District Schools Chess Individuals Trials 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
13	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
14	Central District School Trials 2023 (U15 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
15	2022 Central District Individual Trials (U13)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-23	rnd 6	type Standard	result 1
		Opponent Matogo, D (Dennis)				Opponent Mkentane, I (Indiphile)
2	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Ntsikwa, J (Junior)				Opponent Ngudle, M (Mandisi)
3	3	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-31	rnd 4	type Standard	result 1	date 2025-05-31	rnd 6	type Standard	result 1
		Opponent Chambers, C (Connor)				Opponent Smith, S (Shiloh)

#	Games	Start				End
1	4	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-23	rnd 6	type Standard	result 1
		Opponent Matogo, D (Dennis)				Opponent Mkentane, I (Indiphile)
2	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Ntsikwa, J (Junior)				Opponent Ngudle, M (Mandisi)
3	3	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-31	rnd 4	type Standard	result 1	date 2025-05-31	rnd 6	type Standard	result 1
		Opponent Chambers, C (Connor)				Opponent Smith, S (Shiloh)

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Situma, L (Liyakha)				Opponent Srivastava, P (Prakhar)
2	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 5	type Rapid	result 1	date 2024-06-19	rnd 6	type Rapid	result 1
		Opponent Gabier, Z (Zakariyya)				Opponent Meyer, P (Phillip)
3	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 1	type Rapid	result 1	date 2024-06-19	rnd 2	type Rapid	result 1
		Opponent Kieser, M (Michael)				Opponent Scholtz, Z (Zacharias)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Ntsikwa, J (Junior)				Opponent Ngudle, M (Mandisi)
2	3	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-31	rnd 4	type Standard	result 1	date 2025-05-31	rnd 6	type Standard	result 1
		Opponent Chambers, C (Connor)				Opponent Smith, S (Shiloh)
3	3	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-17	rnd 6	type Standard	result 1	date 2024-06-19	rnd 2	type Rapid	result 1
		Opponent Solomon, WC (William)				Opponent Scholtz, Z (Zacharias)

#	Games	Start				End
1	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Ntsikwa, J (Junior)				Opponent Ngudle, M (Mandisi)
2	3	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-31	rnd 4	type Standard	result 1	date 2025-05-31	rnd 6	type Standard	result 1
		Opponent Chambers, C (Connor)				Opponent Smith, S (Shiloh)
3	3	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Tshika, A (Alex)				Opponent Dubbeld, B (Benjamin)

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Situma, L (Liyakha)				Opponent Srivastava, P (Prakhar)
2	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 5	type Rapid	result 1	date 2024-06-19	rnd 6	type Rapid	result 1
		Opponent Gabier, Z (Zakariyya)				Opponent Meyer, P (Phillip)
3	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 1	type Rapid	result 1	date 2024-06-19	rnd 2	type Rapid	result 1
		Opponent Kieser, M (Michael)				Opponent Scholtz, Z (Zacharias)

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	Wilson ,J (James)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Wilson ,J (James)	2	1458.7	1033.7	2	1470.1	1033.7	0	0	0	0	0	0
2	Ngudle ,M (Mandisi)	2	1	0	2	1	0	0	0	0	0	0	0
2	Ngudle ,M (Mandisi)	2	1380.2	1380.2	2	1309.4	1380.2	0	0	0	0	0	0
3	Murray ,D (Dawid Baruch)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Murray ,D (Dawid Baruch)	2	1366.9	941.9	2	1355.1	941.9	0	0	0	0	0	0
4	Toefy ,Z (Zaeem)	2	2	425	2	2	425	0	0	0	0	0	0
4	Toefy ,Z (Zaeem)	2	1232	1657	2	1219.1	1657	0	0	0	0	0	0
5	Dubbeld ,B (Benjamin)	2	1	0	2	1	0	0	0	0	0	0	0
5	Dubbeld ,B (Benjamin)	2	1342.8	1342.8	2	1297.3	1342.8	0	0	0	0	0	0
6	Emenike ,A (Anthony)	2	1	0	2	1	0	0	0	0	0	0	0
6	Emenike ,A (Anthony)	2	1169.6	1169.6	2	1170.4	1169.6	0	0	0	0	0	0
7	Sheikh ,H (Hasan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Sheikh ,H (Hasan)	2	1194.7	769.7	2	1191.2	769.7	0	0	0	0	0	0
8	Kieser ,M (Michael)	2	1	0	0	0	0	2	1	0	0	0	0
8	Kieser ,M (Michael)	2	1207.8	1207.8	0	0	0	2	1189.3	1207.8	0	0	0
9	Diedericks ,C (Caylah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Diedericks ,C (Caylah)	1	1400.7	975.7	1	1399.5	975.7	0	0	0	0	0	0
10	Williams ,E (Enrico)	1	1	425	1	1	425	0	0	0	0	0	0
10	Williams ,E (Enrico)	1	1349.4	1774.4	1	1304.8	1774.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Mangali, O (Ongama)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms