Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, B (Berno)

Chess SA id

1170300217

FIDE id

Date of birth

2017-04-28 (U10)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1372.1

Item	Main	Standard	Rapid	Blitz
Rating	1438.3	1444.9	1200	1200
Raw rating	1438.3	1444.9	1200	1200
Weighted rating	1376.4	1378	1200	1200
Weighted performance	1385.7	1385.9	0	0
Floor	938.3	944.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	118.1	117	165.8	165.8
Highest rating	1438.3 2025-09-01	1444.9 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1438.3 2025-09-01	1444.9 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1366.5 2025-09-01	1367.7 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1434.7 2025-04-01	1432.3 2024-09-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1438.3	1444.9	1200	1200
Analysis
Rating	1438.3	1444.9	1200	1200
Raw rating	1438.3	1444.9	1200	1200
Weighted rating	1376.4	1378	1200
Weighted performance	1385.7	1385.9	0
K-factor	32	32	36	36
Floor	938.3	944.9	700	700
Max/Min rating change allowed	118.1	117	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	1438.3	1444.9	1200	1200
New weighted rating	1385.4	1387.5	1200	1200
New weighted performance	1385.2	1385.4	0	0
Temp new rating	1438.3	1444.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1438.3	1444.9	1200	1200
New K-factor	32	32	36	36
New floor	938.3	944.9	700	700

Item	Main	Standard
	0	0
	25	25
	30	30
	0	0
	0	0
	0	0
History	55	55

Games since
	Main 55	Standard 55		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	1789		127		20
Male	1503		108		17
U10	107		11		2
U10 Male	95		11		2
Standard
	RSA		Province		Region
Overall	1619		132		20
Male	1352		114		17
U10	98		10		2
U10 Male	86		10		2
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	25	19	76	221	1251.1	1472.1
Standard	25	19	76	221	1251.1	1472.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	55	40	72.73	193.2	1235.1	1428.3
Standard	55	40	72.73	193.2	1235.1	1428.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1438.3	1444.9	1200	1200
2025-09-01	1438.3	1444.9	1200	1200
2025-08-01	1416.2	1417.7	1200	1200
2025-07-01	1416.2	1417.7	1200	1200
2025-06-01	1416.2	1417.7	1200	1200
2025-05-01	1416.2	1417.7	1200	1200
2025-04-01	1434.7	1441.7	1200	1200
2025-03-01	1425.2	1431.6	1200	1200
2025-02-01	1390.7	1382.7	1200	1200
2025-01-01	1390.7	1382.7	1200	1200
2024-12-01	1402.1	1394.9	1200	1200
2024-11-01	1402.1	1394.9	1200	1200
2024-10-01	1402.1	1394.9	1200	1200
2024-09-01	1275.6	1288.1	1200	1200
2024-08-01	1275.6	1288.1	1200	1200
2024-07-01	1226	1230.5	1200	1200
2024-06-01	1214.6	1217.2	1200	1200
2024-08-01	1214.6	1217.2	1200	1200
2024-04-01	1214.6	1217.2	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	Knight Shift Open Chess Tournament 2025 (U10)	2025-08-02	2025-08-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
2	CURRO Tournament 2025 (U10)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
3	Dr Kenneth Kaunda La Hoff PS 2025 (U10)	2025-03-01	2025-03-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
4	2025 KSNG Open (U10)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	DR KK Volkies 2025 (U8)	2025-02-01	2025-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Knight Shift Open Chess Tournament 2025 (U10)	2025-08-02	2025-08-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
2	CURRO Tournament 2025 (U10)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
3	Dr Kenneth Kaunda La Hoff PS 2025 (U10)	2025-03-01	2025-03-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
4	2025 KSNG Open (U10)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	DR KK Volkies 2025 (U8)	2025-02-01	2025-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U8 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	DR KKD Mooirivier Trials 2024 (U8)	2024-09-14	2024-09-14	Standard	Dr Kenneth Kaunda (NWP)	6	6	6	Yes	Analysis
8	DR KKD Curro Agegroup 2024 (U10)	2024-08-31	2024-08-31	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
9	DR KK Gimmies 2024 (F Beginners)	2024-07-13	2024-07-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	4.5	Yes	Analysis
10	DR KKD Saamtrek 2024 (Junior Beginners)	2024-06-08	2024-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
11	DR KKD Ferdies Mar 2024 (G)	2024-03-02	2024-03-02	Standard	Dr Kenneth Kaunda (NWP)	5	4	2.5	Yes	Analysis

#	Games	Start				End
1	10	Tournament DR KKD Curro Agegroup 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-31	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Combrink, N (Nicolaas Johann)				Opponent Conradie, M (Marcus)
2	8	Tournament DR KK Volkies 2025				Tournament 2025 KSNG Open
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent De Clerq, X (Xy'lene)				Opponent Barkhuizen, R (Reuben)
3	7	Tournament DR KKD Saamtrek 2024				Tournament DR KKD Curro Agegroup 2024
		date 2024-06-08	rnd 5	type Standard	result 1	date 2024-08-31	rnd 1	type Standard	result 1
		Opponent Van Aswegen, Z (Zelne)				Opponent Gresse, J (Jayden)

#	Games	Start				End
1	10	Tournament DR KKD Curro Agegroup 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-31	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Combrink, N (Nicolaas Johann)				Opponent Conradie, M (Marcus)
2	8	Tournament DR KK Volkies 2025				Tournament 2025 KSNG Open
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent De Clerq, X (Xy'lene)				Opponent Barkhuizen, R (Reuben)
3	7	Tournament DR KKD Saamtrek 2024				Tournament DR KKD Curro Agegroup 2024
		date 2024-06-08	rnd 5	type Standard	result 1	date 2024-08-31	rnd 1	type Standard	result 1
		Opponent Van Aswegen, Z (Zelne)				Opponent Gresse, J (Jayden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament DR KKD Curro Agegroup 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-31	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Combrink, N (Nicolaas Johann)				Opponent Conradie, M (Marcus)
2	8	Tournament DR KK Volkies 2025				Tournament 2025 KSNG Open
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent De Clerq, X (Xy'lene)				Opponent Barkhuizen, R (Reuben)
3	4	Tournament Dr Kenneth Kaunda La Hoff PS 2025				Tournament CURRO Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Gresse, J (Jayden)				Opponent Fuani, K (Kiasuka)

#	Games	Start				End
1	10	Tournament DR KKD Curro Agegroup 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-31	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Combrink, N (Nicolaas Johann)				Opponent Conradie, M (Marcus)
2	8	Tournament DR KK Volkies 2025				Tournament 2025 KSNG Open
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent De Clerq, X (Xy'lene)				Opponent Barkhuizen, R (Reuben)
3	4	Tournament Dr Kenneth Kaunda La Hoff PS 2025				Tournament CURRO Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Gresse, J (Jayden)				Opponent Fuani, K (Kiasuka)

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	Combrink ,N (Nicolaas Johann)	6	6	425	6	6	425	0	0	0	0	0	0
1	Combrink ,N (Nicolaas Johann)	6	1159.7	1584.7	6	1152.9	1584.7	0	0	0	0	0	0
2	Van Staden ,R (Ryan William)	5	4	255	5	4	255	0	0	0	0	0	0
2	Van Staden ,R (Ryan William)	5	1167.7	1422.7	5	1163.5	1422.7	0	0	0	0	0	0
3	Pretorius ,L (Lihan)	3	3	425	3	3	425	0	0	0	0	0	0
3	Pretorius ,L (Lihan)	3	1212	1637	3	1213.9	1637	0	0	0	0	0	0
4	De Kock ,H (Hanroux)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	De Kock ,H (Hanroux)	3	1331.3	1189.7	3	1328.8	1189.7	0	0	0	0	0	0
5	Louw ,L (Louis)	2	2	425	2	2	425	0	0	0	0	0	0
5	Louw ,L (Louis)	2	1120.3	1545.3	2	1108	1545.3	0	0	0	0	0	0
6	Gresse ,J (Jayden)	2	2	425	2	2	425	0	0	0	0	0	0
6	Gresse ,J (Jayden)	2	1156.6	1581.6	2	1160.4	1581.6	0	0	0	0	0	0
7	Paarlberg ,K (Katrijn)	2	2	425	2	2	425	0	0	0	0	0	0
7	Paarlberg ,K (Katrijn)	2	1165.8	1590.8	2	1158.4	1590.8	0	0	0	0	0	0
8	Douw ,T (Thabiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Douw ,T (Thabiso)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Schoonbee ,L (Line)	1	1	425	1	1	425	0	0	0	0	0	0
9	Schoonbee ,L (Line)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Jongane ,S (Setshaba)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Jongane ,S (Setshaba)	1	1188	1188	1	1187	1188	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

Pretorius, B (Berno)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms