Chess South Africa Ratings Database

PLAYER PAGE

Personal

Njenjesi, C (Chulumanco)

Chess SA id

1070162606

FIDE id

Date of birth

2007-08-15 (U20)

Gender

Male

Region

Chris Hani (ECH)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

26.8

Junior GPX Points

1335.5

Item	Main	Standard	Rapid	Blitz
Rating	1483.6	1469	1298.9	1213.3
Raw rating	1483.6	1469	1298.9	1213.3
Weighted rating	1389.9	1356.6	1293	1210.9
Weighted performance	1467.7	1463.6	1200.6	0
Floor	983.6	969	831.1	713.3
K-factor	32	32	36	36
Min/Max rating change allowed	110.7	113	144	162.7
Highest rating	1483.6 2025-09-30	1469 2025-09-30	1456.2 2024-09-01	1269 2024-09-01
Highest raw rating	1483.6 2025-09-30	1469 2025-09-30	1331.1 2024-09-01	1213.3 2024-09-01
Highest weighted rating	1389.9 2025-09-30	1356.6 2025-09-30	1287.5 2025-08-01	1209.8 2025-08-01
Highest weighted performance	1468.4 2025-06-01	1463.6 2025-09-30	1456.2 2024-09-01	1269 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1483.6	1469	1298.9	1213.3
Analysis
Rating	1483.6	1469	1298.9	1213.3
Raw rating	1483.6	1469	1298.9	1213.3
Weighted rating	1389.9	1356.6	1293
Weighted performance	1467.7	1463.6	1200.6
K-factor	32	32	36	36
Floor	983.6	969	831.1	713.3
Max/Min rating change allowed	110.7	113	144	162.7
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	1483.6	1469	1298.9	1213.3
New weighted rating	1401.3	1368.9	1295.3	1211.3
New weighted performance	1467.1	1463.1	1200.1	0
Temp new rating	1483.6	1469	1298.9	1213.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1483.6	1469	1298.9	1213.3
New K-factor	32	32	36	36
New floor	983.6	969	831.1	713.3

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	32	18	14	0
	46	25	16	5
	12	12	0	0
	0	0	0	0
	0	0	0	0
History	90	55	30	5

Games since
	Main 90	Standard 55		Rapid 30		Blitz 5
Gender	Male
Age group	U20
Region	Chris Hani (ECH)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1383		177		5
Male	1182		154		5
U20	126		19		1
U20 Male	105		17		1
Standard
	RSA		Province		Region
Overall	1413		181		4
Male	1191		158		4
U20	126		19		1
U20 Male	102		17		1
Rapid
	RSA		Province		Region
Overall	1046		76		2
Male	857		64		2
U20	62		7		1
U20 Male	54		6		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	32	21.5	67.19	146.1	1350.2	1496.3
Standard	18	13.5	75	212.5	1346	1558.5
Rapid	14	8	57.14	60.7	1355.7	1416.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	90	53.5	59.44	80.3	1327.5	1407.8
Standard	55	30.5	55.45	46.4	1346.9	1393.2
Rapid	30	20	66.67	141.7	1301	1442.7
Blitz	5	3	60	85	1273.1	1358.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1483.6	1469	1298.9	1213.3
2025-09-01	1454.8	1433.8	1298.9	1213.3
2025-08-01	1454.8	1433.8	1298.9	1213.3
2025-07-01	1454.8	1433.8	1298.9	1213.3
2025-06-01	1454.8	1433.8	1298.9	1213.3
2025-05-01	1450.9	1397.4	1298.9	1213.3
2025-04-01	1468.4	1409.9	1298.9	1213.3
2025-03-01	1378.2	1321.8	1298.9	1213.3
2025-02-01	1368.9	1321.8	1331.1	1213.3
2025-01-01	1368.9	1321.8	1331.1	1213.3
2024-12-01	1368.9	1321.8	1331.1	1213.3
2024-11-01	1322.3	1257.4	1331.1	1213.3
2024-10-01	1322.3	1257.4	1331.1	1213.3
2024-09-01	1322.3	1257.4	1331.1	1213.3
2024-08-01	1269.5	1242.5	1253.3	1200
2024-07-01	1325.1	1304.8	1253.3	1200
2024-06-01	1301.1	1304.8	1202.9	1200
2024-08-01	1259.2	1260.9	1202.9	1200
2024-04-01	1236.2	1229.9	1202.9	1200
2024-03-01	1223.9	1229.9	1200	1200
2024-02-01	1223.9	1229.9	1200	1200
2024-01-01	1223.9	1229.9	1200	1200
2023-12-01	1223.9	1229.9	1200	1200
2023-11-01	1223.9	1229.9	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	EC Closed 2025 (U20 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
2	Eastern Cape Inter-Regional Team Chess Championship 2025 (U20+Open)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	0	0	No	Analysis
3	2025 Buffalo City Chess Trials 3 (U20+Adults)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
4	2025 Buffalo City Chess Trials 2 (U20+Adults)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
5	Vikings Classical March 2025 (B)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis
6	Rapid Feb 2nd Leg 2025 (Prestige)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
7	Rapid Feb Leg 1 2025 (U18-Adult)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U20 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
2	Eastern Cape Inter-Regional Team Chess Championship 2025 (U20+Open)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	0	0	No	Analysis
3	2025 Buffalo City Chess Trials 3 (U20+Adults)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
4	2025 Buffalo City Chess Trials 2 (U20+Adults)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
5	Vikings Classical March 2025 (B)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis
6	Rapid Feb 2nd Leg 2025 (Prestige)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
7	Rapid Feb Leg 1 2025 (U18-Adult)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
8	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
9	DSRAC Chris Hani Chess League 2024 (A)	2024-08-31	2024-08-31	Rapid	Chris Hani (ECH)	6	5	5	Yes	Analysis
10	DSRAC Chris Hani Chess League 2024 (Blitz)	2024-08-31	2024-08-31	Blitz	Chris Hani (ECH)	5	5	3	Yes	Analysis
11	5th BC Trials 2024 (U18-Adult)	2024-08-24	2024-08-24	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
12	BC 4th HS Trials 204 (U18-Adult)	2024-07-20	2024-07-20	Standard	Buffalo City (EBC)	5	4	0	Yes	Analysis
13	WSU Youth Day 2024 (A)	2024-06-16	2024-06-16	Rapid	Chris Hani (ECH)	6	6	4	Yes	Analysis
14	BC Chess HS Trials 3 2024 (U18-Adult)	2024-05-04	2024-05-04	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
15	2nd Buffalo City Chess Trials 2024 (U18A)	2024-04-06	2024-04-06	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
16	Enoch Mgijima 2024 (Open)	2024-03-09	2024-03-09	Rapid	Chris Hani (ECH)	5	5	3	Yes	Analysis
17	Eastern Cape Provincial Individual Championship 2023 (U18 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	3	Yes	Analysis
18	Eastern Cape Chess Team Championship 2023 (U18)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	10	Tournament DSRAC Chris Hani Chess League 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-08-31	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Mbeki, E (Elam)				Opponent Yang, C (Charng-Lin (Ryan))
2	6	Tournament 2025 Buffalo City Chess Trials 3				Tournament EC Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Adriaanse, C (Candice)				Opponent Perring, M (Mekhail)
3	6	Tournament Rapid Feb 2nd Leg 2025				Tournament Vikings Classical March 2025
		date 2025-02-22	rnd 7	type Rapid	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Kasa, K (Konke)				Opponent Kondlo, S (Sangweni)

#	Games	Start				End
1	6	Tournament 2025 Buffalo City Chess Trials 3				Tournament EC Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Adriaanse, C (Candice)				Opponent Perring, M (Mekhail)
2	5	Tournament Vikings Classical March 2025				Tournament Vikings Classical March 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Sifingo, C (Cinga)				Opponent Kondlo, S (Sangweni)
3	5	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 0.5	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Calitz, Z (Zandre)				Opponent Yang, C (Charng-Lin (Ryan))

#	Games	Start				End
1	13	Tournament WSU Youth Day 2024				Tournament Rapid Feb Leg 1 2025
		date 2024-06-16	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 3	type Rapid	result 1
		Opponent Gantolo, L (Lwando)				Opponent Mayo, E (Esinaye)
2	4	Tournament Rapid Feb 2nd Leg 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-22	rnd 1	type Rapid	result 0.5	date 2025-02-22	rnd 4	type Rapid	result 0.5
		Opponent Fricke, L (Leon)				Opponent Beecum, V (Viha)
3	3	Tournament Enoch Mgijima 2024				Tournament Enoch Mgijima 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 4	type Rapid	result 1
		Opponent Godana, K (Kwathitha)				Opponent Stokwe, C (Chuma)

#	Games	Start				End
1	3	Tournament DSRAC Chris Hani Chess League 2024				Tournament DSRAC Chris Hani Chess League 2024
		date 2024-08-31	rnd 1	type Blitz	result 1	date 2024-08-31	rnd 3	type Blitz	result 1
		Opponent Mpayipheli, I (Imamnkele)				Opponent Mbukushe, L (Liyema)

#	Games	Start				End
1	6	Tournament Rapid Feb 2nd Leg 2025				Tournament Vikings Classical March 2025
		date 2025-02-22	rnd 7	type Rapid	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Kasa, K (Konke)				Opponent Kondlo, S (Sangweni)
2	5	Tournament DSRAC Chris Hani Chess League 2024				Tournament DSRAC Chris Hani Chess League 2024
		date 2024-08-31	rnd 2	type Rapid	result 1	date 2024-08-31	rnd 6	type Rapid	result 1
		Opponent Mbeki, E (Elam)				Opponent Mpayipeli, I (Imamkele)
3	3	Tournament 2025 Buffalo City Chess Trials 3				Tournament EC Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Adriaanse, C (Candice)				Opponent Peta, A (Akhazimla)

#	Games	Start				End
1	5	Tournament Vikings Classical March 2025				Tournament Vikings Classical March 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Sifingo, C (Cinga)				Opponent Kondlo, S (Sangweni)
2	3	Tournament 2025 Buffalo City Chess Trials 3				Tournament EC Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Adriaanse, C (Candice)				Opponent Peta, A (Akhazimla)
3	3	Tournament BC Chess HS Trials 3 2024				Tournament BC Chess HS Trials 3 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Mbilase, U (Unakho)				Opponent Chang, S (Samuel)

#	Games	Start				End
1	9	Tournament WSU Youth Day 2024				Tournament Rapid Feb Leg 1 2025
		date 2024-06-16	rnd 6	type Rapid	result 1	date 2025-02-15	rnd 3	type Rapid	result 1
		Opponent Mokoatle, K (Khotatso)				Opponent Mayo, E (Esinaye)
2	3	Tournament Enoch Mgijima 2024				Tournament Enoch Mgijima 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 4	type Rapid	result 1
		Opponent Godana, K (Kwathitha)				Opponent Stokwe, C (Chuma)
3	2	Tournament Rapid Feb 2nd Leg 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Mwelwa, P (Palo)				Opponent Mabhera, JP (Jedidiah Panashe)

#	Games	Start				End
1	3	Tournament DSRAC Chris Hani Chess League 2024				Tournament DSRAC Chris Hani Chess League 2024
		date 2024-08-31	rnd 1	type Blitz	result 1	date 2024-08-31	rnd 3	type Blitz	result 1
		Opponent Mpayipheli, I (Imamnkele)				Opponent Mbukushe, L (Liyema)

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	Kondlo ,S (Sangweni)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Kondlo ,S (Sangweni)	3	1346.7	1205	3	1358.6	1205	0	0	0	0	0	0
2	Mbilase ,U (Unakho)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Mbilase ,U (Unakho)	3	1143.5	1285.1	3	1139.6	1285.1	0	0	0	0	0	0
3	Pearson ,E (Ethan)	3	0	-425	2	0	-425	1	0	-425	0	0	0
3	Pearson ,E (Ethan)	3	1481.9	1056.9	2	1491.4	1056.9	1	1210.5	1056.9	0	0	0
4	George ,V (Vijay)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
4	George ,V (Vijay)	3	1442.3	1300.6	0	0	0	3	1234.5	1300.6	0	0	0
5	Makananda ,K (Kungawo)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Makananda ,K (Kungawo)	2	1440.3	1227.8	2	1436.2	1227.8	0	0	0	0	0	0
6	Chang ,S (Samuel)	2	1	0	2	1	0	0	0	0	0	0	0
6	Chang ,S (Samuel)	2	1579.1	1579.1	2	1578.9	1579.1	0	0	0	0	0	0
7	Mokoaleli ,J (Jordan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Mokoaleli ,J (Jordan)	2	1509.3	1084.3	2	1510.3	1084.3	0	0	0	0	0	0
8	Mqweba ,E (Elam)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Mqweba ,E (Elam)	2	1422.2	997.2	2	1436.8	997.2	0	0	0	0	0	0
9	Meshilinie ,L (Layton)	2	1	0	2	1	0	0	0	0	0	0	0
9	Meshilinie ,L (Layton)	2	1263.1	1263.1	2	1253.3	1263.1	0	0	0	0	0	0
10	Mjiba ,M (Musa)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Mjiba ,M (Musa)	2	1500.6	1075.6	2	1523.8	1075.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Njenjesi, C (Chulumanco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms