Chess South Africa Ratings Database

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Personal

Booyens, D (Derick)

Chess SA id

1060148714

FIDE id

Date of birth

2006-06-19 (U20)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1236.2	1277.2	1083.7	1200
Raw rating	1236.2	1277.2	1083.7	1200
Weighted rating	1228.4	1272.1	1081.3	1200
Weighted performance	1011.6	1059.1	0	0
Floor	752.8	777.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.5	148.5	195.7	165.8
Highest rating	1484.1 2023-01-01	1480 2023-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1252.8 2023-02-01	1277.2 2025-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1252.8 2023-06-01	1268.8 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1484.1 2023-01-01	1480 2023-01-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1236.2	1277.2	1083.7	1200
Analysis
Rating	1236.2	1277.2	1083.7	1200
Raw rating	1236.2	1277.2	1083.7	1200
Weighted rating	1228.4	1272.1	1081.3
Weighted performance	1011.6	1059.1	0
K-factor	36	36	36	36
Floor	752.8	777.2	700	700
Max/Min rating change allowed	157.5	148.5	195.7	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	1236.2	1277.2	1083.7	1200
New weighted rating	1230	1273.5	1081.6	1200
New weighted performance	1011.2	1058.6	0	0
Temp new rating	1236.2	1277.2	1083.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1236.2	1277.2	1083.7	1200
New K-factor	36	36	36	36
New floor	752.8	777.2	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	5	5	0
	21	16	5
	0	0	0
	0	0	0
History	31	26	5

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	5	2	40	-85	1381.6	1296.6
Standard	5	2	40	-85	1381.6	1296.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	31	13	41.94	-68.5	1302.7	1234.2
Standard	26	13	50	0	1299.7	1299.7
Rapid	5	0	0	-425	1318.5	893.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1236.2	1277.2	1083.7	1200
2025-09-01	1236.2	1277.2	1083.7	1200
2025-08-01	1236.2	1277.2	1083.7	1200
2025-07-01	1236.2	1277.2	1083.7	1200
2025-06-01	1236.2	1277.2	1083.7	1200
2025-05-01	1236.2	1277.2	1083.7	1200
2025-04-01	1236.2	1277.2	1083.7	1200
2025-03-01	1236.2	1277.2	1083.7	1200
2025-02-01	1226.2	1273.5	1083.7	1200
2025-01-01	1226.2	1273.5	1077.6	1200
2024-12-01	1226.2	1273.5	1077.6	1200
2024-11-01	1226.2	1273.5	1077.6	1200
2024-10-01	1226.2	1273.5	1077.6	1200
2024-09-01	1226.2	1273.5	1077.6	1200
2024-08-01	1226.2	1273.5	1077.6	1200
2024-07-01	1226.2	1273.5	1077.6	1200
2024-06-01	1226.2	1273.5	1077.6	1200
2024-08-01	1226.2	1273.5	1077.6	1200
2024-04-01	1226.2	1273.5	1077.6	1200
2024-03-01	1161.1	1205.8	1077.6	1200
2024-02-01	1161.1	1205.8	1077.6	1200
2024-01-01	1161.1	1205.8	1077.6	1200
2023-12-01	1161.1	1205.8	1077.6	1200
2023-11-01	1161.1	1205.8	1077.6	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	Bojanala's Battle In The Kloof 2025 (Queens)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Battle In The Kloof 2025 (Queens)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	Schoemies' Kings & Queens 2024 (Knights)	2024-03-02	2024-03-02	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
3	Bojanala School League 2023 (High School Open)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
4	Bojanala's Post-Exams 2023 (Rooks)	2023-06-24	2023-06-24	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
5	Olienpark - 2nd One for the Ages 2023 (U18)	2023-05-13	2023-05-13	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
6	Grenswag's Community Battle 2023 (Rooks)	2023-04-22	2023-04-22	Standard	Bojanala Platina (NBR)	5	1	0	Yes	Analysis
7	Harties Wolf Pack 2023 (Knights)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Pienaar, B (Bianca)				Opponent Dikolomela, T (Tlhogi)
2	3	Tournament Schoemies' Kings & Queens 2024				Tournament Schoemies' Kings & Queens 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Murira, J (Joseph)				Opponent Monare, O (Oreratile)
3	2	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 3	type Standard	result 1
		Opponent Morake, R (Reaoleboga)				Opponent Kgetsi, M (Mohau)

#	Games	Start				End
1	4	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Pienaar, B (Bianca)				Opponent Dikolomela, T (Tlhogi)
2	3	Tournament Schoemies' Kings & Queens 2024				Tournament Schoemies' Kings & Queens 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Murira, J (Joseph)				Opponent Monare, O (Oreratile)
3	2	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 3	type Standard	result 1
		Opponent Morake, R (Reaoleboga)				Opponent Kgetsi, M (Mohau)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Pienaar, B (Bianca)				Opponent Dikolomela, T (Tlhogi)
2	3	Tournament Schoemies' Kings & Queens 2024				Tournament Schoemies' Kings & Queens 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Murira, J (Joseph)				Opponent Monare, O (Oreratile)
3	2	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 3	type Standard	result 1
		Opponent Morake, R (Reaoleboga)				Opponent Kgetsi, M (Mohau)

#	Games	Start				End
1	4	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Pienaar, B (Bianca)				Opponent Dikolomela, T (Tlhogi)
2	3	Tournament Schoemies' Kings & Queens 2024				Tournament Schoemies' Kings & Queens 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Murira, J (Joseph)				Opponent Monare, O (Oreratile)
3	2	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 3	type Standard	result 1
		Opponent Morake, R (Reaoleboga)				Opponent Kgetsi, M (Mohau)

No games found.

#	Games	Start				End

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	Dikolomela ,T (Tlhogi)	2	1	0	2	1	0	0	0	0	0	0	0
1	Dikolomela ,T (Tlhogi)	2	1371.1	1371.1	2	1358.2	1371.1	0	0	0	0	0	0
2	Zoellner ,R (Robert)	1	1	425	1	1	425	0	0	0	0	0	0
2	Zoellner ,R (Robert)	1	1212.3	1637.3	1	1213.2	1637.3	0	0	0	0	0	0
3	Makalela ,P (Phenyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Makalela ,P (Phenyo)	1	1196.7	771.7	1	1195.2	771.7	0	0	0	0	0	0
4	Naidoo ,D (Danika)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Naidoo ,D (Danika)	1	1513.2	1088.2	1	1504.9	1088.2	0	0	0	0	0	0
5	James ,D (Dillon)	1	1	425	1	1	425	0	0	0	0	0	0
5	James ,D (Dillon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Potgieter ,R (Reinhardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Potgieter ,R (Reinhardt)	1	1298.6	873.6	1	1295.1	873.6	0	0	0	0	0	0
7	Pitoro ,T (Tebelelo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Pitoro ,T (Tebelelo)	1	1199.5	1624.5	1	1199.5	1624.5	0	0	0	0	0	0
8	Pretorius ,S (Sarel)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pretorius ,S (Sarel)	1	1600.4	1175.4	1	1591.6	1175.4	0	0	0	0	0	0
9	Ramafi ,P (Papillon)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ramafi ,P (Papillon)	1	1194	1619	1	1192.4	1619	0	0	0	0	0	0
10	Van Rooyen ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Rooyen ,M (Matthew)	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

Booyens, D (Derick)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms