Chess South Africa Ratings Database

PLAYER PAGE

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

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1513.6	1470.6	1401.8	1200
Raw rating	1513	1455.6	1401.8	1200
Weighted rating	1349.3	1288.8	1309.4	1200
Weighted performance	1513.6	1472.8	1385.7	0
Floor	1013	955.6	901.8	700
K-factor	32	32	32	36
Min/Max rating change allowed	106.2	115.2	124.4	165.8
Highest rating	1513.6 2026-01-01	1470.6 2026-01-01	1416.3 2025-11-01	1200 2025-03-01
Highest raw rating	1513 2026-01-01	1455.6 2026-01-01	1401.8 2025-11-01	1200 2025-03-01
Highest weighted rating	1349.3 2026-01-01	1288.8 2026-01-01	1286 2025-11-01	1200 2025-03-01
Highest weighted performance	1513.6 2026-01-01	1472.8 2026-01-01	1416.3 2025-11-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	-7.8	0	0
New rating	1513	1462.8	1401.8	1200
Analysis
Rating	1513.6	1470.6	1401.8	1200
Raw rating	1513	1455.6	1401.8	1200
Weighted rating	1349.3	1288.8	1309.4
Weighted performance	1513.6	1472.8	1385.7
K-factor	32	32	32	36
Floor	1013	955.6	901.8	700
Max/Min rating change allowed	106.2	115.2	124.4	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	1513	1455.6	1401.8	1200
New weighted rating	1366.9	1304.8	1320.1	1200
New weighted performance	1503.6	1462.8	1376.1	0
Temp new rating	1513	1462.8	1401.8	1200
Temp new rating +/-	-0.6	-7.8	0	0
Final new rating +/-	-0.6	-7.8	0	0
New rating	1513	1462.8	1401.8	1200
New K-factor	32	32	32	36
New floor	1013	955.6	901.8	700

Item	Main	Standard	Rapid
	0	0	0
	53	18	35
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	53	18	35

Games since
	Main 53	Standard 18		Rapid 35		Blitz 0
Gender	Male
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1678		519		258
Male	1398		424		215
U10	95		25		11
U10 Male	83		20		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	516		260		124
Male	443		225		116
U10	29		16		8
U10 Male	25		13		6
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	53	34.5	65.09	128.3	1290.6	1418.9
Standard	18	11	61.11	94.4	1303	1397.5
Rapid	35	23.5	67.14	145.7	1284.3	1430
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	53	34.5	65.09	128.3	1290.6	1418.9
Standard	18	11	61.11	94.4	1303	1397.5
Rapid	35	23.5	67.14	145.7	1284.3	1430
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1513	1455.6	1401.8	1200
2025-11-30	1450.4	1333.5	1401.8	1200
2025-11-01	1450.4	1333.5	1401.8	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Mzansi Individual Championships (U10 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U10 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
3	UCT Open Chess Championship 2025 (U10)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
4	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
5	St John's CBC Rapid 2025 (U8)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	5	4	4	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
7	Cape Town Open Chess Festival 2025 (Junior Rapid)	2025-03-21	2025-03-21	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
8	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4.5	Yes	Analysis
9	CT Metro Schools Individual Closed 2025 (U9 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
10	Laerskool Welgemoed Rapid 2025 (U10)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
11	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 Curro Chess Open Rapid 2025				Tournament UCT Open Chess Championship 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-10-11	rnd 2	type Rapid	result 1
		Opponent Visser, L (Luan)				Opponent van Eck, I (Ian)
3	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)

#	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	May ,A (Avumile)	2	1	0	1	0	-425	1	1	425	0	0	0
2	May ,A (Avumile)	2	1227.4	1227.4	1	1213.1	802.4	1	1240.5	1652.4	0	0	0
3	Lin ,J (Junming)	2	1	0	1	0	-425	1	1	425	0	0	0
3	Lin ,J (Junming)	2	1549.2	1549.2	1	1552.2	1124.2	1	1423.8	1974.2	0	0	0
4	van Eck ,I (Ian)	2	2	425	0	0	0	2	2	425	0	0	0
4	van Eck ,I (Ian)	2	1234.8	1659.8	0	0	0	2	1244.8	1659.8	0	0	0
5	Hill ,C (Charles)	1	1	425	1	1	425	0	0	0	0	0	0
5	Hill ,C (Charles)	1	1159	1584	1	1172.5	1584	0	0	0	0	0	0
6	Rice ,J (Jake)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Rice ,J (Jake)	1	1220.3	1220.3	1	1225.8	1220.3	0	0	0	0	0	0
7	Magi ,A (Aqhame Alizwa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Magi ,A (Aqhame Alizwa)	1	1103.4	1528.4	1	1187	1528.4	0	0	0	0	0	0
8	Arendse ,D (Dean)	1	1	425	1	1	425	0	0	0	0	0	0
8	Arendse ,D (Dean)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Strydom ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
9	Strydom ,L (Liam)	1	1350.1	1775.1	1	1375.2	1775.1	0	0	0	0	0	0
10	Wang ,Z (Zian)	1	1	425	0	0	0	1	1	425	0	0	0
10	Wang ,Z (Zian)	1	1181.5	1606.5	0	0	0	1	1200	1606.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Neethling, D (Derek)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms