Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chilumba, C (Cornelius)

Chess SA id

1130193355

FIDE id

Date of birth

2013-04-08 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1280

Item	Main	Standard	Rapid	Blitz
Rating	1371.3	1372.7	1234.4	1200
Raw rating	1371.3	1372.7	1234.4	1200
Weighted rating	1335.1	1347.9	1221.6	1200
Weighted performance	1308.7	1313.2	0	0
Floor	871.3	872.7	740.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	129.9	129.6	157.9	165.8
Highest rating	1530 2024-03-01	1486.1 2024-03-01	1305.4 2024-04-01	1200 2024-02-01
Highest raw rating	1371.3 2025-09-01	1372.7 2025-09-01	1240.8 2024-05-01	1200 2024-02-01
Highest weighted rating	1363.2 2024-05-01	1370.4 2024-10-01	1240.8 2024-05-01	1200 2024-02-01
Highest weighted performance	1530 2024-03-01	1486.1 2024-03-01	1305.4 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1371.3	1372.7	1234.4	1200
Analysis
Rating	1371.3	1372.7	1234.4	1200
Raw rating	1371.3	1372.7	1234.4	1200
Weighted rating	1335.1	1347.9	1221.6
Weighted performance	1308.7	1313.2	0
K-factor	36	36	36	36
Floor	871.3	872.7	740.8	700
Max/Min rating change allowed	129.9	129.6	157.9	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	1371.3	1372.7	1234.4	1200
New weighted rating	1340.3	1352.3	1223.2	1200
New weighted performance	1308.3	1312.7	0	0
Temp new rating	1371.3	1372.7	1234.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1371.3	1372.7	1234.4	1200
New K-factor	36	36	36	36
New floor	871.3	872.7	740.8	700

Item	Main	Standard	Rapid
	0	0	0
	30	24	6
	46	29	17
	0	0	0
	0	0	0
	0	0	0
History	76	53	23

Games since
	Main 76	Standard 53		Rapid 23		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2451		758		324
Male	2001		582		257
U14	407		130		54
U14 Male	304		88		35
Standard
	RSA		Province		Region
Overall	2334		646		283
Male	1897		488		219
U14	399		120		51
U14 Male	296		79		32
Rapid
	RSA		Province		Region
Overall	1438		730		281
Male	1136		559		239
U14	313		169		61
U14 Male	220		117		47
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	30	17	56.67	56.7	1309.8	1366.4
Standard	24	13.5	56.25	53.1	1331.1	1384.2
Rapid	6	3.5	58.33	70.8	1224.6	1295.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	76	42.5	55.92	50.3	1313.5	1363.8
Standard	53	31.5	59.43	80.2	1333.7	1413.9
Rapid	23	11	47.83	-18.5	1266.8	1248.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1371.3	1372.7	1234.4	1200
2025-09-01	1371.3	1372.7	1234.4	1200
2025-08-01	1363.2	1370.4	1234.4	1200
2025-07-01	1363.2	1370.4	1234.4	1200
2025-06-01	1349.3	1360.3	1234.4	1200
2025-05-01	1349.3	1360.3	1234.4	1200
2025-04-01	1349.3	1360.3	1234.4	1200
2025-03-01	1334.2	1356.2	1234.4	1200
2025-02-01	1345.1	1368.7	1205.2	1200
2025-01-01	1345.1	1368.7	1205.2	1200
2024-12-01	1345.1	1368.7	1205.2	1200
2024-11-01	1345.1	1368.7	1205.2	1200
2024-10-01	1345.1	1368.7	1205.2	1200
2024-09-01	1269.5	1286.2	1205.2	1200
2024-08-01	1269.5	1286.2	1205.2	1200
2024-07-01	1276.4	1307.1	1205.2	1200
2024-06-01	1276.4	1307.1	1205.2	1200
2024-08-01	1323.4	1316.5	1240.8	1200
2024-04-01	1314.1	1316.5	1200	1200
2024-03-01	1238.5	1234.4	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	CT Metro District East Top Schools Chess 2025 (U13)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	7	6	3	Yes	Analysis
2	Cape Town Chess Junior League 2025 (U12)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Top Schools Chess 2025 (U13)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	7	6	3	Yes	Analysis
2	Cape Town Chess Junior League 2025 (U12)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	4.5	Yes	Analysis
7	CT Metro District East Top Schools Chess 2024 (U11 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	6	3	Yes	Analysis
8	Cape Town Junior League Finals 2024 (U13 Open B)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	6	6	1.5	Yes	Analysis
9	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
10	Cape Town Junior League - Qualifier 2 2024 (U13)	2024-04-20	2024-04-20	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
11	Cape Town Junior League Qualifier 2024 (U13 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	5	3	Yes	Analysis
12	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
13	CT District East Schools Chess Individuals Trails 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Herman, V (Victor)				Opponent James, A (Ayden)
2	5	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-02	rnd 4	type Standard	result 0.5	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Tesselaar, M (Mc)				Opponent Gani, R (Raza)
3	5	Tournament CT Metro District East Top Schools Chess 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-28	rnd 7	type Standard	result 0.5	date 2024-08-30	rnd 4	type Standard	result 1
		Opponent Velem, K (Kungawo)				Opponent Weyers, M (Marco)

#	Games	Start				End
1	7	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Herman, V (Victor)				Opponent James, A (Ayden)
2	5	Tournament CT Metro District East Top Schools Chess 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-28	rnd 7	type Standard	result 0.5	date 2024-08-30	rnd 4	type Standard	result 1
		Opponent Velem, K (Kungawo)				Opponent Weyers, M (Marco)
3	4	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-02	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Tesselaar, M (Mc)				Opponent Cholo, A (Athande)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Van Staden, C (Chris)				Opponent Muller, A (Andreas)
2	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 1	type Rapid	result 0.5	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Fortuin, B (Barrett)				Opponent Gani, R (Raza)
3	2	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 6	type Rapid	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Naidoo, K (Kailash)				Opponent Mdabuli, S (Simbongile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Patterson, E (Eli)				Opponent James, A (Ayden)
2	3	Tournament Cape Town Chess Junior League 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-05-31	rnd 6	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Du Preez, Z (Zolani)				Opponent Harrison, M (Matthew)
3	3	Tournament Laerskool Welgemoed Rapid 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Van Staden, C (Chris)				Opponent Cholo, A (Athande)

#	Games	Start				End
1	4	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Patterson, E (Eli)				Opponent James, A (Ayden)
2	3	Tournament Cape Town Chess Junior League 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-05-31	rnd 6	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Du Preez, Z (Zolani)				Opponent Harrison, M (Matthew)
3	3	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Nyokana, I (Imange)				Opponent Cholo, A (Athande)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Van Staden, C (Chris)				Opponent Muller, A (Andreas)
2	2	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 6	type Rapid	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Naidoo, K (Kailash)				Opponent Mdabuli, S (Simbongile)
3	1	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Gani, R (Raza)				Opponent Gani, R (Raza)

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	Makumbe ,P (Passion)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Makumbe ,P (Passion)	3	1251.8	1393.4	3	1190	1393.4	0	0	0	0	0	0
2	Janse Van Rensburg ,T (Tj)	2	2	425	2	2	425	0	0	0	0	0	0
2	Janse Van Rensburg ,T (Tj)	2	1221.7	1646.7	2	1177.8	1646.7	0	0	0	0	0	0
3	James ,A (Ayden)	2	2	425	1	1	425	1	1	425	0	0	0
3	James ,A (Ayden)	2	1349.4	1774.4	1	1293	1774.4	1	1406.1	1774.4	0	0	0
4	Rule ,L (Liam)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Rule ,L (Liam)	2	1561.3	1136.3	1	1594.4	1136.3	1	1513.4	1136.3	0	0	0
5	Calitz ,S (Steyn)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Calitz ,S (Steyn)	2	1367.6	942.6	1	1354.3	942.6	1	1365.5	942.6	0	0	0
6	Zheng ,Y (Yi)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Zheng ,Y (Yi)	2	1364.2	939.2	0	0	0	2	1235.4	939.2	0	0	0
7	Pentz ,J (Jason)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Pentz ,J (Jason)	1	1498.3	1073.3	1	1490.5	1073.3	0	0	0	0	0	0
8	Van Der Westhuizen ,W (Werner)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Der Westhuizen ,W (Werner)	1	1616	1191	1	1579.8	1191	0	0	0	0	0	0
9	Von Heiniz ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Von Heiniz ,D (Daniel)	1	1380.1	955.1	1	1374.2	955.1	0	0	0	0	0	0
10	Wenn ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Wenn ,E (Ethan)	1	1199.1	1199.1	1	1198.9	1199.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Chilumba, C (Cornelius)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms