Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nelson, D (Donovan)

Chess SA id

1050142595

FIDE id

Date of birth

2005-07-05 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1245.8	1268.9	1177.5	1200
Raw rating	1245.8	1268.9	1177.5	1200
Weighted rating	1245.7	1268.9	1177.4	1200
Weighted performance	798.1	0	0	0
Floor	777.3	785.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.3	150.3	171.2	165.8
Highest rating	1365.1 2022-10-01	1450.9 2022-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1277.3 2022-11-01	1285.5 2022-11-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1277.3 2024-02-01	1285.5 2024-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1365.1 2022-10-01	1450.9 2022-06-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1245.8	1268.9	1177.5	1200
Analysis
Rating	1245.8	1268.9	1177.5	1200
Raw rating	1245.8	1268.9	1177.5	1200
Weighted rating	1245.7	1268.9	1177.4
Weighted performance	798.1	0	0
K-factor	36	36	36	36
Floor	777.3	785.5	700	700
Max/Min rating change allowed	155.3	150.3	171.2	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	1245.8	1268.9	1177.5	1200
New weighted rating	1245.7	1268.9	1177.5	1200
New weighted performance	790.8	0	0	0
Temp new rating	1245.8	1268.9	1177.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1245.8	1268.9	1177.5	1200
New K-factor	36	36	36	36
New floor	777.3	785.5	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	5	5
	20	15	5
	0	0	0
History	30	20	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	30	16.5	55	42.5	1248.7	1291.2
Standard	20	11.5	57.5	63.8	1296	1359.8
Rapid	10	5	50	0	1154.1	1154.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1245.8	1268.9	1177.5	1200
2025-09-30	1245.8	1268.9	1177.5	1200
2025-09-01	1245.8	1268.9	1177.5	1200
2025-08-01	1245.8	1268.9	1177.5	1200
2025-07-01	1245.8	1268.9	1177.5	1200
2025-06-01	1245.8	1268.9	1177.5	1200
2025-05-01	1245.8	1268.9	1177.5	1200
2025-04-01	1245.8	1268.9	1177.5	1200
2025-03-01	1245.8	1268.9	1177.5	1200
2025-02-01	1245.8	1268.9	1177.5	1200
2025-01-01	1245.6	1268.9	1177.3	1200
2024-12-01	1245.6	1268.9	1177.3	1200
2024-11-01	1245.6	1268.9	1177.3	1200
2024-10-01	1245.6	1268.9	1177.3	1200
2024-09-01	1245.6	1268.9	1177.3	1200
2024-08-01	1245.6	1268.9	1177.3	1200
2024-07-01	1245.6	1268.9	1177.3	1200
2024-09-01	1245.6	1268.9	1177.3	1200
2024-05-01	1245.6	1268.9	1177.3	1200
2024-04-01	1245.6	1268.9	1177.3	1200
2024-03-01	1245.6	1268.9	1177.3	1200
2024-02-01	1245.6	1268.9	1177.3	1200
2024-01-01	1245.6	1268.9	1177.3	1200
2023-12-01	1245.6	1268.9	1177.3	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	Benoni Cluster High School League 2023 (U19 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Springs Open 4 March 2023 (C)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
3	ACB Tournament 2022 (A)	2022-10-07	2022-10-08	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Ekurhuleni-North Schools Teams 2022 (U18)	2022-08-13	2022-08-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	ACB Invitation Chess Tournament 2022 (U15)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
6	Benoni Cluster HS Individuals 2022 (U18 Boys)	2022-05-07	2022-05-07	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament ACB Invitation Chess Tournament 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-11	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Sebogoane, KC (Kgwerano Covenant)				Opponent Pretorius, T (Theuns)
2	3	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 2	type Standard	result 0.5	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Mafinya, T (Thama)				Opponent Grootboom, C (Chante)
3	3	Tournament Benoni Cluster HS Individuals 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-05-07	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 1	type Standard	result 1
		Opponent Tshoba, A (Ayanda)				Opponent Bell, S (Shaune)

#	Games	Start				End
1	6	Tournament ACB Invitation Chess Tournament 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-11	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Sebogoane, KC (Kgwerano Covenant)				Opponent Pretorius, T (Theuns)
2	3	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 2	type Standard	result 0.5	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Mafinya, T (Thama)				Opponent Grootboom, C (Chante)
3	2	Tournament ACB Tournament 2022				Tournament ACB Tournament 2022
		date 2022-10-08	rnd 3	type Standard	result 1	date 2022-10-08	rnd 4	type Standard	result 1
		Opponent Pieterse, F (Fourie)				Opponent Andrews, J (Jason)

#	Games	Start				End
1	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster HS Individuals 2022
		date 2022-05-07	rnd 4	type Rapid	result 1	date 2022-05-07	rnd 5	type Rapid	result 1
		Opponent Tshoba, A (Ayanda)				Opponent Khoza, K (Kwanele)
2	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 5	type Rapid	result 1	date 2023-05-06	rnd 5	type Rapid	result 1
		Opponent Tshikila, S (Sothando)				Opponent Tshikila, S (Sothando)
3	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 2	type Rapid	result 1	date 2023-05-06	rnd 2	type Rapid	result 1
		Opponent Luwes, M (Morne)				Opponent Luwes, M (Morne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament ACB Invitation Chess Tournament 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-11	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Sebogoane, KC (Kgwerano Covenant)				Opponent Pretorius, T (Theuns)
2	3	Tournament Benoni Cluster HS Individuals 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-05-07	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 1	type Standard	result 1
		Opponent Tshoba, A (Ayanda)				Opponent Bell, S (Shaune)
3	2	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Ziervogel, K (Keira)				Opponent Grootboom, C (Chante)

#	Games	Start				End
1	6	Tournament ACB Invitation Chess Tournament 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-11	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Sebogoane, KC (Kgwerano Covenant)				Opponent Pretorius, T (Theuns)
2	2	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Ziervogel, K (Keira)				Opponent Grootboom, C (Chante)
3	2	Tournament ACB Tournament 2022				Tournament ACB Tournament 2022
		date 2022-10-08	rnd 3	type Standard	result 1	date 2022-10-08	rnd 4	type Standard	result 1
		Opponent Pieterse, F (Fourie)				Opponent Andrews, J (Jason)

#	Games	Start				End
1	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster HS Individuals 2022
		date 2022-05-07	rnd 4	type Rapid	result 1	date 2022-05-07	rnd 5	type Rapid	result 1
		Opponent Tshoba, A (Ayanda)				Opponent Khoza, K (Kwanele)
2	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 5	type Rapid	result 1	date 2023-05-06	rnd 5	type Rapid	result 1
		Opponent Tshikila, S (Sothando)				Opponent Tshikila, S (Sothando)
3	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 2	type Rapid	result 1	date 2023-05-06	rnd 2	type Rapid	result 1
		Opponent Luwes, M (Morne)				Opponent Luwes, M (Morne)

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	Tshoba ,A (Ayanda)	2	1	0	0	0	0	2	1	0	0	0	0
1	Tshoba ,A (Ayanda)	2	1182.2	1182.2	0	0	0	2	1170.2	1182.2	0	0	0
2	De Vasconcelos ,T (Tiaana)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	De Vasconcelos ,T (Tiaana)	1	1254.8	829.8	1	1242.6	829.8	0	0	0	0	0	0
3	Morifi ,I (Itumeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Morifi ,I (Itumeleng)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Andrews ,J (Jason)	1	1	425	1	1	425	0	0	0	0	0	0
4	Andrews ,J (Jason)	1	1248.9	1673.9	1	1245.1	1673.9	0	0	0	0	0	0
5	Pretorius ,T (Theuns)	1	1	425	1	1	425	0	0	0	0	0	0
5	Pretorius ,T (Theuns)	1	1160.8	1585.8	1	1150.9	1585.8	0	0	0	0	0	0
6	Reynolds ,B (Bradley Paul)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Reynolds ,B (Bradley Paul)	1	1250.6	825.6	1	1251.1	825.6	0	0	0	0	0	0
7	Bell ,S (Shaune)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bell ,S (Shaune)	1	1177.2	1602.2	1	1151.7	1602.2	0	0	0	0	0	0
8	De Lange ,C (Cheleike)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Lange ,C (Cheleike)	1	1277.8	852.8	1	1269	852.8	0	0	0	0	0	0
9	Mokobodi ,A (Annah)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mokobodi ,A (Annah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Sebogoane ,KC (Kgwerano Covenant)	1	1	425	1	1	425	0	0	0	0	0	0
10	Sebogoane ,KC (Kgwerano Covenant)	1	982.5	1407.5	1	970.2	1407.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Nelson, D (Donovan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms