Chess South Africa Ratings Database

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Personal

Strydom, D (De-Leon)

Chess SA id

102036600

FIDE id

Date of birth

2002-01-01 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-04-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1438.3	1418.9	1469.6	1480.1
Raw rating	1438.3	1418.9	1469.6	1480.1
Weighted rating	1438.3	1418.9	1469.6	1480.1
Weighted performance	131.8	73.1	0	0
Floor	970.7	970.7	970.7	980.1
K-factor	32	32	32	32
Min/Max rating change allowed	118.1	121.4	112.9	111.3
Highest rating	1470.7 2018-01-01	1470.7 2018-01-01	1470.7 2018-02-01	1480.1 2024-02-01
Highest raw rating	1470.7 2018-01-01	1470.7 2018-01-01	1470.7 2018-02-01	1480.1 2024-02-01
Highest weighted rating	1470.7 2018-01-01	1470.7 2018-01-01	1470.7 2018-02-01	1480.1 2024-02-01
Highest weighted performance	1447.6 2018-07-01	1445.5 2018-07-01	1328.8 2018-02-01	1448.3 2019-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1438.3	1418.9	1469.6	1480.1
Analysis
Rating	1438.3	1418.9	1469.6	1480.1
Raw rating	1438.3	1418.9	1469.6	1480.1
Weighted rating	1438.3	1418.9	1469.6
Weighted performance	131.8	73.1	0
K-factor	32	32	32	32
Floor	970.7	970.7	970.7	980.1
Max/Min rating change allowed	118.1	121.4	112.9	111.3
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	1438.3	1418.9	1469.6	1480.1
New weighted rating	1438.3	1418.9	1469.6	1480.1
New weighted performance	122.4	0	0	0
Temp new rating	1438.3	1418.9	1469.6	1480.1
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1438.3	1418.9	1469.6	1480.1
New K-factor	32	32	32	32
New floor	970.7	970.7	970.7	980.1

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	578	498	50	30

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	56	34	60.71	91.1	1335.5	1426.6
Standard	45	28	62.22	103.9	1288.3	1392.2
Rapid	2	1	50	0	1325.6	1325.6
Blitz	9	5	55.56	47.2	1573.6	1620.8

Date	Main	Standard	Rapid	Blitz
2026-01-01	1438.3	1418.9	1469.6	1480.1
2025-11-30	1438.3	1418.9	1469.6	1480.1
2025-11-01	1438.3	1418.9	1469.6	1480.1
2025-09-30	1438.3	1418.9	1469.6	1480.1
2025-09-01	1438.3	1418.9	1469.6	1480.1
2025-08-01	1438.3	1418.9	1469.6	1480.1
2025-07-01	1438.3	1418.9	1469.6	1480.1
2025-06-01	1438.3	1418.9	1469.6	1480.1
2025-05-01	1438.3	1418.9	1469.6	1480.1
2025-04-01	1438.3	1418.9	1469.6	1480.1
2025-03-01	1438.3	1418.9	1469.6	1480.1
2025-02-01	1438.3	1418.9	1469.6	1480.1
2025-01-01	1438.3	1418.9	1469.6	1480.1
2024-12-01	1438.3	1418.9	1469.6	1480.1
2024-11-01	1438.3	1418.9	1469.6	1480.1
2024-10-01	1438.3	1418.9	1469.6	1480.1
2024-09-01	1438.3	1418.9	1469.6	1480.1
2024-11-01	1438.3	1418.9	1469.6	1480.1
2024-07-01	1438.3	1418.9	1469.6	1480.1
2024-06-01	1438.3	1418.9	1469.6	1480.1
2024-05-01	1438.3	1418.9	1469.6	1480.1
2024-04-01	1438.3	1418.9	1469.6	1480.1
2024-03-01	1438.3	1418.9	1469.6	1480.1
2024-02-01	1438.3	1418.9	1469.6	1480.1

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	Presidents Cup 2019	2019-04-11	2019-04-11	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
2	PECC King Cars Grand Prix Second Leg 2019	2019-04-13	2019-04-13	Blitz	Nelson Mandela Bay (ENM)	9	9	5	Yes	Analysis
3	Ultimate Chess Open 2018 (A)	2018-11-30	2018-12-01	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
4	NMBJC Closed 2018 (U18+U20)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
5	King Cars PECC Grand Prix Third Leg 2018	2018-06-22	2018-06-24	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
6	NMB Second Trials 2018 (U18+U20)	2018-04-20	2018-04-22	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
7	PECC - Springbok Cup 2018	2018-02-15	2018-03-22	Standard	Nelson Mandela Bay (ENM)	5	2	2	Yes	Analysis
8	2018 Boardwalk Pearson Open (B)	2018-03-17	2018-03-18	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
9	PE Chess Club February Rapid 2018	2018-02-01	2018-02-08	Rapid	Nelson Mandela Bay (ENM)	5	2	1	Yes	Analysis
10	South African Junior Wildcard Championships 2017 (U16 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
11	South African Junior Team Championships 2017 (U16A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament King Cars PECC Grand Prix Third Leg 2018				Tournament NMBJC Closed 2018
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 0.5
		Opponent Beyleveld, K (Karl)				Opponent To, H (Himson)
2	6	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-10	rnd 4	type Standard	result 0.5
		Opponent Modirwa, O (Ofentse)				Opponent Nkambule, N (Ntokozo)
3	5	Tournament NMB Second Trials 2018				Tournament King Cars PECC Grand Prix Third Leg 2018
		date 2018-04-21	rnd 2	type Standard	result 0.5	date 2018-06-22	rnd 1	type Standard	result 1
		Opponent Michaels, CJ (Carla)				Opponent Hafeni, L (Lucky)

#	Games	Start				End
1	9	Tournament King Cars PECC Grand Prix Third Leg 2018				Tournament NMBJC Closed 2018
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 0.5
		Opponent Beyleveld, K (Karl)				Opponent To, H (Himson)
2	6	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-10	rnd 4	type Standard	result 0.5
		Opponent Modirwa, O (Ofentse)				Opponent Nkambule, N (Ntokozo)
3	5	Tournament NMB Second Trials 2018				Tournament King Cars PECC Grand Prix Third Leg 2018
		date 2018-04-21	rnd 2	type Standard	result 0.5	date 2018-06-22	rnd 1	type Standard	result 1
		Opponent Michaels, CJ (Carla)				Opponent Hafeni, L (Lucky)

#	Games	Start				End
1	1	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-01	rnd 1	type Rapid	result 1	date 2018-02-01	rnd 1	type Rapid	result 1
		Opponent Hafeni, L (Lucky)				Opponent Hafeni, L (Lucky)

#	Games	Start				End
1	3	Tournament PECC King Cars Grand Prix Second Leg 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-13	rnd 1	type Blitz	result 1	date 2019-04-13	rnd 3	type Blitz	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Zwayi, M (Mzwandile)
2	1	Tournament PECC King Cars Grand Prix Second Leg 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-13	rnd 9	type Blitz	result 1	date 2019-04-13	rnd 9	type Blitz	result 1
		Opponent Meise, K (Keagen)				Opponent Meise, K (Keagen)
3	1	Tournament PECC King Cars Grand Prix Second Leg 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-13	rnd 5	type Blitz	result 1	date 2019-04-13	rnd 5	type Blitz	result 1
		Opponent Banks, DA (Delano)				Opponent Banks, DA (Delano)

#	Games	Start				End
1	4	Tournament Presidents Cup 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-11	rnd 1	type Standard	result 1	date 2019-04-13	rnd 3	type Blitz	result 1
		Opponent Von Waltzleben, W (William)				Opponent Zwayi, M (Mzwandile)
2	4	Tournament NMB Second Trials 2018				Tournament King Cars PECC Grand Prix Third Leg 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-06-22	rnd 1	type Standard	result 1
		Opponent Bain, J (Jonathan)				Opponent Hafeni, L (Lucky)
3	4	Tournament PECC - Springbok Cup 2018				Tournament 2018 Boardwalk Pearson Open
		date 2018-02-22	rnd 2	type Standard	result 1	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Coetzer, Q (Quinn)				Opponent Kapank, W (Waylon)

#	Games	Start				End
1	4	Tournament NMB Second Trials 2018				Tournament King Cars PECC Grand Prix Third Leg 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-06-22	rnd 1	type Standard	result 1
		Opponent Bain, J (Jonathan)				Opponent Hafeni, L (Lucky)
2	4	Tournament PECC - Springbok Cup 2018				Tournament 2018 Boardwalk Pearson Open
		date 2018-02-22	rnd 2	type Standard	result 1	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Coetzer, Q (Quinn)				Opponent Kapank, W (Waylon)
3	2	Tournament NMBJC Closed 2018				Tournament NMBJC Closed 2018
		date 2018-07-27	rnd 1	type Standard	result 1	date 2018-07-28	rnd 2	type Standard	result 1
		Opponent Kettledas, DT (Danielle)				Opponent Acar, CG (Cameron)

#	Games	Start				End
1	1	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-01	rnd 1	type Rapid	result 1	date 2018-02-01	rnd 1	type Rapid	result 1
		Opponent Hafeni, L (Lucky)				Opponent Hafeni, L (Lucky)

#	Games	Start				End
1	3	Tournament PECC King Cars Grand Prix Second Leg 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-13	rnd 1	type Blitz	result 1	date 2019-04-13	rnd 3	type Blitz	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Zwayi, M (Mzwandile)
2	1	Tournament PECC King Cars Grand Prix Second Leg 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-13	rnd 9	type Blitz	result 1	date 2019-04-13	rnd 9	type Blitz	result 1
		Opponent Meise, K (Keagen)				Opponent Meise, K (Keagen)
3	1	Tournament PECC King Cars Grand Prix Second Leg 2019				Tournament PECC King Cars Grand Prix Second Leg 2019
		date 2019-04-13	rnd 5	type Blitz	result 1	date 2019-04-13	rnd 5	type Blitz	result 1
		Opponent Banks, DA (Delano)				Opponent Banks, DA (Delano)

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	Riordan ,SA (Simon Alexander)	2	1	0	2	1	0	0	0	0	0	0	0
1	Riordan ,SA (Simon Alexander)	2	1230.1	1230.1	2	1236.8	1230.1	0	0	0	0	0	0
2	Acar ,CG (Cameron Gavin)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Acar ,CG (Cameron Gavin)	2	1463.2	1675.7	2	1477.2	1675.7	0	0	0	0	0	0
3	Kettledas ,DT (Danielle Thandi)	2	1	0	2	1	0	0	0	0	0	0	0
3	Kettledas ,DT (Danielle Thandi)	2	1119.6	1119.6	2	1118.5	1119.6	0	0	0	0	0	0
4	Hafeni ,L (Lucky)	2	2	425	1	1	425	1	1	425	0	0	0
4	Hafeni ,L (Lucky)	2	821.6	1246.6	1	812.2	1246.6	1	812.2	1246.6	0	0	0
5	Jacobs ,KT (Kevin Terence)	2	0	-425	1	0	-425	0	0	0	1	0	-425
5	Jacobs ,KT (Kevin Terence)	2	1904.2	1479.2	1	1928.4	1479.2	0	0	0	1	1880.7	1479.2
6	Banks ,DA (Delano Arthur)	2	1.5	212.5	1	0.5	0	0	0	0	1	1	425
6	Banks ,DA (Delano Arthur)	2	1461.7	1674.2	1	1495.9	1461.7	0	0	0	1	1226	1886.7
7	Louw ,C (Carlo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Louw ,C (Carlo)	1	1482.6	1057.6	1	1482.6	1057.6	0	0	0	0	0	0
8	April ,DMG (David Marc Ghadafi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	April ,DMG (David Marc Ghadafi)	1	1242.7	817.7	1	1249.2	817.7	0	0	0	0	0	0
9	Malgas ,GL (Glenwell Lesley)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Malgas ,GL (Glenwell Lesley)	1	1645.4	1220.4	1	1699.3	1220.4	0	0	0	0	0	0
10	Nevin ,TP (Timothy Patrick)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nevin ,TP (Timothy Patrick)	1	1343.9	1768.9	1	1299.9	1768.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Strydom, D (De-Leon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms