Chess South Africa Ratings Database

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Personal

Neethling, D (Derek)

Chess SA id

1170314220

FIDE id

Date of birth

2017-07-27 (U10)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

29.8

Junior GPX Points

1203.9

Item	Main	Standard	Rapid	Blitz
Rating	1446.7	1333.5	1397.4	1200
Raw rating	1446.7	1333.5	1387.4	1200
Weighted rating	1300.8	1256.1	1273.3	1200
Weighted performance	1411.2	0	1397.4	0
Floor	946.7	833.5	887.4	700
K-factor	32	36	36	36
Min/Max rating change allowed	116.7	137.1	127	165.8
Highest rating	1446.7 2025-09-01	1333.5 2025-06-01	1411.9 2025-09-01	1200 2025-03-01
Highest raw rating	1446.7 2025-09-01	1333.5 2025-06-01	1387.4 2025-09-01	1200 2025-03-01
Highest weighted rating	1284.9 2025-09-01	1238.7 2025-08-01	1261.1 2025-09-01	1200 2025-03-01
Highest weighted performance	1433.8 2025-06-01	0 1900-01-01	1411.9 2025-09-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.5	0
New rating	1446.7	1333.5	1396.9	1200
Analysis
Rating	1446.7	1333.5	1397.4	1200
Raw rating	1446.7	1333.5	1387.4	1200
Weighted rating	1300.8	1256.1	1273.3
Weighted performance	1411.2	0	1397.4
K-factor	32	36	36	36
Floor	946.7	833.5	887.4	700
Max/Min rating change allowed	116.7	137.1	127	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	1446.7	1333.5	1387.4	1200
New weighted rating	1315.8	1264.2	1284.8	1200
New weighted performance	1410.7	0	1396.9	0
Temp new rating	1446.7	1333.5	1396.9	1200
Temp new rating +/-	0	0	-0.5	0
Final new rating +/-	0	0	-0.5	0
New rating	1446.7	1333.5	1396.9	1200
New K-factor	32	36	36	36
New floor	946.7	833.5	887.4	700

Item	Main	Standard	Rapid
	0	0	0
	47	18	29
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	47	18	29

Games since
	Main 47	Standard 18		Rapid 29		Blitz 0
Gender	Male
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1690		509		244
Male	1426		414		201
U10	98		25		11
U10 Male	86		19		9
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	513		265		121
Male	449		230		113
U10	26		14		7
U10 Male	23		11		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	47	30.5	64.89	126.6	1285.2	1411.8
Standard	18	11	61.11	94.4	1303	1397.5
Rapid	29	19.5	67.24	146.6	1274.1	1420.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	30.5	64.89	126.6	1285.2	1411.8
Standard	18	11	61.11	94.4	1303	1397.5
Rapid	29	19.5	67.24	146.6	1274.1	1420.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1446.7	1333.5	1387.4	1200
2025-09-01	1446.7	1333.5	1387.4	1200
2025-08-01	1433.8	1333.5	1348.2	1200
2025-07-01	1433.8	1333.5	1348.2	1200
2025-06-01	1433.8	1333.5	1348.2	1200
2025-05-01	1283.3	1249.9	1278.9	1200
2025-04-01	1283.3	1249.9	1278.9	1200
2025-03-01	1248.6	1218	1253.9	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
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	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
2	St John's CBC Rapid 2025 (U8)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	5	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
4	Cape Town Open Chess Festival 2025 (Junior Rapid)	2025-03-21	2025-03-21	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
5	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4.5	Yes	Analysis
6	CT Metro Schools Individual Closed 2025 (U9 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	Laerskool Welgemoed Rapid 2025 (U10)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
8	2025 District Central Schools Chess Individual Trials (U9 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
2	St John's CBC Rapid 2025 (U8)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	5	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
4	Cape Town Open Chess Festival 2025 (Junior Rapid)	2025-03-21	2025-03-21	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
5	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4.5	Yes	Analysis
6	CT Metro Schools Individual Closed 2025 (U9 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	Laerskool Welgemoed Rapid 2025 (U10)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
8	2025 District Central Schools Chess Individual Trials (U9 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Western Cape Schools Individual Championship 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Strydom, L (Liam)				Opponent van Eck, I (Ian)
2	4	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 2	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Zembetha, M (Mary)				Opponent Chang, C (Caelem)
3	4	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 1
		Opponent Magi, A (Aqhame Alizwa)				Opponent May, S (Sinelizwi)

#	Games	Start				End
1	4	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 1
		Opponent Magi, A (Aqhame Alizwa)				Opponent May, S (Sinelizwi)
2	3	Tournament 2025 District Central Schools Chess Individual Trials				Tournament 2025 District Central Schools Chess Individual Trials
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 0.5
		Opponent Arendse, D (Dean)				Opponent Cavallaro, P (Pietro)
3	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Strydom, L (Liam)				Opponent Lourens, L (Lihan)

#	Games	Start				End
1	7	Tournament St John's CBC Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Schwartz, C (Caleb)				Opponent van Eck, I (Ian)
2	4	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 2	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Zembetha, M (Mary)				Opponent Chang, C (Caelem)
3	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Visser, L (Luan)				Opponent Lin, J (Junming)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Western Cape Schools Individual Championship 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Strydom, L (Liam)				Opponent van Eck, I (Ian)
2	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Visser, L (Luan)				Opponent Lin, J (Junming)
3	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Bam, L (Levi)				Opponent Rens, D (Deauwin)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Strydom, L (Liam)				Opponent Lourens, L (Lihan)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Bam, L (Levi)				Opponent Rens, D (Deauwin)
3	2	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-02	rnd 4	type Standard	result 1
		Opponent Magi, A (Aqhame Alizwa)				Opponent Chumpitaz Avila, J (Josef)

#	Games	Start				End
1	7	Tournament St John's CBC Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Schwartz, C (Caleb)				Opponent van Eck, I (Ian)
2	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Visser, L (Luan)				Opponent Lin, J (Junming)
3	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Bessesen, S (Sindre)				Opponent Chang, C (Caelem)

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	May ,S (Sinelizwi)	2	1	0	2	1	0	0	0	0	0	0	0
1	May ,S (Sinelizwi)	2	1290.5	1290.5	2	1225.8	1290.5	0	0	0	0	0	0
2	Lin ,J (Junming)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Lin ,J (Junming)	2	1549.2	1549.2	1	1552.2	1124.2	1	1423.8	1974.2	0	0	0
3	May ,A (Avumile)	2	1	0	1	0	-425	1	1	425	0	0	0
3	May ,A (Avumile)	2	1227.4	1227.4	1	1213.1	802.4	1	1240.5	1652.4	0	0	0
4	Levin ,J (Jesse)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Levin ,J (Jesse)	1	1138.5	713.5	1	1200.2	713.5	0	0	0	0	0	0
5	Magi ,A (Aqhame Alizwa)	1	1	425	1	1	425	0	0	0	0	0	0
5	Magi ,A (Aqhame Alizwa)	1	1103.4	1528.4	1	1187	1528.4	0	0	0	0	0	0
6	Vermeulen ,E (Elster)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vermeulen ,E (Elster)	1	1646.3	1221.3	1	1657.9	1221.3	0	0	0	0	0	0
7	Rice ,J (Jake)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Rice ,J (Jake)	1	1220.3	1220.3	1	1225.8	1220.3	0	0	0	0	0	0
8	Lourens ,L (Lihan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Lourens ,L (Lihan)	1	1443.9	1868.9	1	1393.1	1868.9	0	0	0	0	0	0
9	Lun ,A (Adam)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lun ,A (Adam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Kannemeyer ,J (Jude)	1	1	425	0	0	0	1	1	425	0	0	0
10	Kannemeyer ,J (Jude)	1	1175.3	1600.3	0	0	0	1	1155.9	1600.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Neethling, D (Derek)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms