Chess South Africa Ratings Database

PLAYER PAGE

Personal

Leeuw, B (Boitumelo)

Chess SA id

1080150645

FIDE id

Date of birth

2008-10-05 (U18)

Gender

Male

Region

John Taolo Gaetswewe (NCJ)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1283	1290.1	1200	1200
Raw rating	1283	1290.1	1200	1200
Weighted rating	1269.3	1275.2	1200	1200
Weighted performance	1088.2	1086.7	0	0
Floor	783	790.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.3	145.8	165.8	165.8
Highest rating	1297.2 2024-08-01	1295.4 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1283 2024-09-01	1290.1 2024-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1257.9 2025-08-01	1262.6 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1297.2 2024-08-01	1295.4 2024-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1283	1290.1	1200	1200
Analysis
Rating	1283	1290.1	1200	1200
Raw rating	1283	1290.1	1200	1200
Weighted rating	1269.3	1275.2	1200
Weighted performance	1088.2	1086.7	0
K-factor	36	36	36	36
Floor	783	790.1	700	700
Max/Min rating change allowed	147.3	145.8	165.8	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	1283	1290.1	1200	1200
New weighted rating	1272.3	1278.6	1200	1200
New weighted performance	1080.4	1079	0	0
Temp new rating	1283	1290.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1283	1290.1	1200	1200
New K-factor	36	36	36	36
New floor	783	790.1	700	700

Item	Main	Standard
	0	0
	0	0
	15	15
	10	10
	0	0
	0	0
History	25	25

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	John Taolo Gaetswewe (NCJ)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	25	14	56	51	1228.3	1279.3
Standard	25	14	56	51	1228.3	1279.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1283	1290.1	1200	1200
2025-09-30	1283	1290.1	1200	1200
2025-09-01	1283	1290.1	1200	1200
2025-08-01	1283	1290.1	1200	1200
2025-07-01	1283	1290.1	1200	1200
2025-06-01	1283	1290.1	1200	1200
2025-05-01	1283	1290.1	1200	1200
2025-04-01	1283	1290.1	1200	1200
2025-03-01	1283	1290.1	1200	1200
2025-02-01	1283	1290.1	1200	1200
2025-01-01	1283	1290.1	1200	1200
2024-12-01	1283	1290.1	1200	1200
2024-11-01	1283	1290.1	1200	1200
2024-10-01	1283	1290.1	1200	1200
2024-09-01	1283	1290.1	1200	1200
2024-08-01	1205.7	1208.4	1200	1200
2024-07-01	1205.7	1208.4	1200	1200
2024-09-01	1205.7	1208.4	1200	1200
2024-05-01	1205.7	1208.4	1200	1200
2024-04-01	1163.7	1156.4	1200	1200
2024-03-01	1163.7	1156.4	1200	1200
2024-02-01	1163.7	1156.4	1200	1200
2024-01-01	1163.7	1156.4	1200	1200
2023-12-01	1163.7	1156.4	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	Hopetown Schools Chess Tournament 2024 (U17+U19)	2024-08-17	2024-08-17	Standard	Pixley-ka-Seme (NCP)	5	5	3	Yes	Analysis
2	2024 Pixley Ka Seme Chess Schools Open 2 (U17+U19)	2024-08-03	2024-08-03	Standard	Pixley-ka-Seme (NCP)	5	5	4	Yes	Analysis
3	Hopetown Open Chess Tournament 2024 (U18+Open)	2024-04-20	2024-04-20	Standard	Pixley-ka-Seme (NCP)	5	5	3	Yes	Analysis
4	Hopetown Chess Open Tournament 2023 (U14-U18)	2023-08-05	2023-08-05	Standard	Pixley-ka-Seme (NCP)	5	5	2	Yes	Analysis
5	Hopetown Schools Chess Open Tournament 2023 (U15)	2023-02-25	2023-02-25	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Hopetown Open Chess Tournament 2024				Tournament 2024 Pixley Ka Seme Chess Schools Open 2
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Madyo, T (Thami)				Opponent Mogorosie, L (Lindsay)
2	2	Tournament Hopetown Open Chess Tournament 2024				Tournament Hopetown Open Chess Tournament 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Biko, S (Siyolise)				Opponent Hendricks, G (Garryn)
3	2	Tournament Hopetown Chess Open Tournament 2023				Tournament Hopetown Chess Open Tournament 2023
		date 2023-08-05	rnd 2	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Botha, A (Ane)				Opponent Nango, E (Ethan)

#	Games	Start				End
1	5	Tournament Hopetown Open Chess Tournament 2024				Tournament 2024 Pixley Ka Seme Chess Schools Open 2
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Madyo, T (Thami)				Opponent Mogorosie, L (Lindsay)
2	2	Tournament Hopetown Open Chess Tournament 2024				Tournament Hopetown Open Chess Tournament 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Biko, S (Siyolise)				Opponent Hendricks, G (Garryn)
3	2	Tournament Hopetown Chess Open Tournament 2023				Tournament Hopetown Chess Open Tournament 2023
		date 2023-08-05	rnd 2	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Botha, A (Ane)				Opponent Nango, E (Ethan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Hopetown Open Chess Tournament 2024				Tournament 2024 Pixley Ka Seme Chess Schools Open 2
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Madyo, T (Thami)				Opponent Mogorosie, L (Lindsay)
2	2	Tournament Hopetown Open Chess Tournament 2024				Tournament Hopetown Open Chess Tournament 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Biko, S (Siyolise)				Opponent Hendricks, G (Garryn)
3	2	Tournament Hopetown Chess Open Tournament 2023				Tournament Hopetown Chess Open Tournament 2023
		date 2023-08-05	rnd 2	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Botha, A (Ane)				Opponent Nango, E (Ethan)

#	Games	Start				End
1	5	Tournament Hopetown Open Chess Tournament 2024				Tournament 2024 Pixley Ka Seme Chess Schools Open 2
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-08-03	rnd 4	type Standard	result 1
		Opponent Madyo, T (Thami)				Opponent Mogorosie, L (Lindsay)
2	2	Tournament Hopetown Open Chess Tournament 2024				Tournament Hopetown Open Chess Tournament 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Biko, S (Siyolise)				Opponent Hendricks, G (Garryn)
3	2	Tournament Hopetown Chess Open Tournament 2023				Tournament Hopetown Chess Open Tournament 2023
		date 2023-08-05	rnd 2	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Botha, A (Ane)				Opponent Nango, E (Ethan)

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	Kitengye ,PE (Patrick Ebondo)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Kitengye ,PE (Patrick Ebondo)	3	1462	1037	3	1460.1	1037	0	0	0	0	0	0
2	May ,AD (Alrique Dominic)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	May ,AD (Alrique Dominic)	2	1250.4	825.4	2	1245.3	825.4	0	0	0	0	0	0
3	Mogorosie ,L (Lindsay)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mogorosie ,L (Lindsay)	2	1063.3	1488.3	2	1046.4	1488.3	0	0	0	0	0	0
4	Badenhorst ,F (Frans)	1	1	425	1	1	425	0	0	0	0	0	0
4	Badenhorst ,F (Frans)	1	1183.5	1608.5	1	1194	1608.5	0	0	0	0	0	0
5	Botha ,A (Ane)	1	1	425	1	1	425	0	0	0	0	0	0
5	Botha ,A (Ane)	1	1124.1	1549.1	1	1134.9	1549.1	0	0	0	0	0	0
6	Johannes ,E (Ensley)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Johannes ,E (Ensley)	1	1190.9	765.9	1	1189.6	765.9	0	0	0	0	0	0
7	Nango ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nango ,E (Ethan)	1	1059.5	1484.5	1	1035.2	1484.5	0	0	0	0	0	0
8	Cilliers ,H (Hendrik Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cilliers ,H (Hendrik Francois)	1	1228.6	803.6	1	1233.2	803.6	0	0	0	0	0	0
9	Gedezana ,L (Lwanda)	1	1	425	1	1	425	0	0	0	0	0	0
9	Gedezana ,L (Lwanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Hendricks ,G (Garryn)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hendricks ,G (Garryn)	1	1318	1743	1	1320.5	1743	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

Leeuw, B (Boitumelo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms