Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ferreira, D (Dolf)

Chess SA id

1170309951

FIDE id

Date of birth

2017-06-16 (U10)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1087.2

Item	Main	Standard	Rapid	Blitz
Rating	1196.5	1194.9	1203	1200
Raw rating	1196.5	1194.9	1203	1200
Weighted rating	1180.9	1194.3	1177.9	1200
Weighted performance	1096.9	0	0	0
Floor	700	700	703	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.6	167	165.1	165.8
Highest rating	1200 2024-08-01	1200 2024-10-01	1203 2025-09-01	1200 2024-10-01
Highest raw rating	1200 2024-08-01	1200 2024-10-01	1203 2025-09-01	1200 2024-10-01
Highest weighted rating	1200 2024-08-01	1200 2024-10-01	1200 2024-08-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-08-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1196.5	1194.9	1203	1200
Analysis
Rating	1196.5	1194.9	1203	1200
Raw rating	1196.5	1194.9	1203	1200
Weighted rating	1180.9	1194.3	1177.9
Weighted performance	1096.9	0	0
K-factor	36	36	36	36
Floor	700	700	703	700
Max/Min rating change allowed	166.6	167	165.1	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	1196.5	1194.9	1203	1200
New weighted rating	1181.9	1194.3	1179.7	1200
New weighted performance	1096.5	0	0	0
Temp new rating	1196.5	1194.9	1203	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1196.5	1194.9	1203	1200
New K-factor	36	36	36	36
New floor	700	700	703	700

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

Games since
	Main 30	Standard 15		Rapid 15		Blitz 0
Gender	Male
Age group	U10
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
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	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
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	15	6	40	-85	1233.2	1148.2
Standard	10	3	30	-170	1242.3	1072.3
Rapid	5	3	60	85	1214.9	1299.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	12	40	-85	1210.2	1125.2
Standard	15	5	33.33	-141.7	1223.7	1082
Rapid	15	7	46.67	-28.3	1196.8	1168.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1196.5	1194.9	1203	1200
2025-09-01	1196.5	1194.9	1203	1200
2025-08-01	1180.3	1194.9	1180	1200
2025-07-01	1180.3	1194.9	1180	1200
2025-06-01	1180.3	1194.9	1180	1200
2025-05-01	1180.3	1194.9	1180	1200
2025-04-01	1180.1	1194	1180	1200
2025-03-01	1179.5	1192.6	1180	1200
2025-02-01	1181.9	1194.8	1180	1200
2025-01-01	1175.9	1182.8	1180	1200
2024-12-01	1175.9	1182.8	1180	1200
2024-11-01	1133.2	1182.8	1101.6	1200
2024-10-01	1139.5	1200	1101.6	1200
2024-09-01	1139.5	1200	1101.6	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	Stellenbosch Primary 2025 (U9)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2025 (U9)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Stellenbosch Primary 2025 (U9)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2025 (U9)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
4	Lochnerhof Grade 1 Closed Chess Tournament 2024 (U7+U8)	2024-11-22	2024-11-22	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
5	Grant East Annual Primary School Invitational Chess Tournament 2024 (U7)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
6	Stellenbosch Primary 2024 (U9)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 4	type Rapid	result 1
		Opponent Truter, K (Kian)				Opponent De Bruyn, L (Lana)
2	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Schoeman, E (Ewoud)				Opponent Casaleggio, E (Edmund)
3	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Pietersen, E (Elyon Kivudi)				Opponent Orakwe, S (Samuel)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Pietersen, E (Elyon Kivudi)				Opponent Orakwe, S (Samuel)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Gandla, A (Aneesh Sai)				Opponent Gandla, A (Aneesh Sai)
3	1	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Van Zyl, J (Jurgens)				Opponent Van Zyl, J (Jurgens)

#	Games	Start				End
1	4	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 4	type Rapid	result 1
		Opponent Truter, K (Kian)				Opponent De Bruyn, L (Lana)
2	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Schoeman, E (Ewoud)				Opponent Casaleggio, E (Edmund)
3	1	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 5	type Rapid	result 1	date 2025-08-16	rnd 5	type Rapid	result 1
		Opponent Wheeler, T (Tyler)				Opponent Wheeler, T (Tyler)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 4	type Rapid	result 1
		Opponent Truter, K (Kian)				Opponent De Bruyn, L (Lana)
2	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Schoeman, E (Ewoud)				Opponent Casaleggio, E (Edmund)
3	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Pietersen, E (Elyon Kivudi)				Opponent Orakwe, S (Samuel)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Pietersen, E (Elyon Kivudi)				Opponent Orakwe, S (Samuel)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Gandla, A (Aneesh Sai)				Opponent Gandla, A (Aneesh Sai)
3	1	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Van Zyl, J (Jurgens)				Opponent Van Zyl, J (Jurgens)

#	Games	Start				End
1	4	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 4	type Rapid	result 1
		Opponent Truter, K (Kian)				Opponent De Bruyn, L (Lana)
2	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Schoeman, E (Ewoud)				Opponent Casaleggio, E (Edmund)
3	1	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 5	type Rapid	result 1	date 2025-08-16	rnd 5	type Rapid	result 1
		Opponent Wheeler, T (Tyler)				Opponent Wheeler, T (Tyler)

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	Malan ,B (Benjamin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Malan ,B (Benjamin)	2	1190.8	765.8	1	1200	765.8	1	1182.9	765.8	0	0	0
2	Janse Van Rensberg ,D (Divan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Janse Van Rensberg ,D (Divan)	2	1137.6	712.6	1	1167.7	712.6	1	1158.4	712.6	0	0	0
3	Kolbe ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kolbe ,L (Luke)	1	1158.8	733.8	1	1200	733.8	0	0	0	0	0	0
4	Pharela ,T (Tshabani)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pharela ,T (Tshabani)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Koen ,E (Emma)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Koen ,E (Emma)	1	1217.7	792.7	1	1228.8	792.7	0	0	0	0	0	0
6	Orakwe ,S (Samuel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Orakwe ,S (Samuel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Pietersen ,E (Elyon Kivudi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Pietersen ,E (Elyon Kivudi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Kruger ,J (Josua Baruch)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kruger ,J (Josua Baruch)	1	1544	1119	1	1540.3	1119	0	0	0	0	0	0
9	Louw ,K (Kai)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Louw ,K (Kai)	1	1265.5	840.5	1	1263.3	840.5	0	0	0	0	0	0
10	van der Spuy ,A (Alden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	van der Spuy ,A (Alden)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ferreira, D (Dolf)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms