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

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1357.1

Item	Main	Standard	Rapid	Blitz
Rating	1420.3	1422.5	1200	1200
Raw rating	1420.3	1422.5	1200	1200
Weighted rating	1383.9	1385.7	1200	1200
Weighted performance	1389.2	1392.2	0	0
Floor	938.3	944.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	121.1	120.8	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	1383.9 2025-11-01	1385.7 2025-11-01	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	1420.3	1422.5	1200	1200
Analysis
Rating	1420.3	1422.5	1200	1200
Raw rating	1420.3	1422.5	1200	1200
Weighted rating	1383.9	1385.7	1200
Weighted performance	1389.2	1392.2	0
K-factor	32	32	36	36
Floor	938.3	944.9	700	700
Max/Min rating change allowed	121.1	120.8	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	1420.3	1422.5	1200	1200
New weighted rating	1390.8	1392.6	1200	1200
New weighted performance	1380.9	1383.8	0	0
Temp new rating	1420.3	1422.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1420.3	1422.5	1200	1200
New K-factor	32	32	36	36
New floor	938.3	944.9	700	700

Item	Main	Standard
	0	0
	35	35
	30	30
	0	0
	0	0
	0	0
History	65	65

Games since
	Main 65	Standard 65		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	1967		141		20
Male	1623		118		17
U10	117		13		2
U10 Male	102		13		2
Standard
	RSA		Province		Region
Overall	1855		148		22
Male	1530		124		19
U10	116		11		2
U10 Male	101		11		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	35	25	71.43	182.1	1263.6	1445.7
Standard	35	25	71.43	182.1	1263.6	1445.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	65	46	70.77	176.5	1244.2	1420.8
Standard	65	46	70.77	176.5	1244.2	1420.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1420.3	1422.5	1200	1200
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
2024-09-01	1214.6	1217.2	1200	1200
2024-05-01	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

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	DR KK Chess Volkies 2025 (U10)	2025-10-18	2025-10-18	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
2	Dr KK Regional Trials Potch 2025 (U10)	2025-09-27	2025-09-27	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
3	Knight Shift Open Chess Tournament 2025 (U10)	2025-08-02	2025-08-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
4	CURRO Tournament 2025 (U10)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
5	Dr Kenneth Kaunda La Hoff PS 2025 (U10)	2025-03-01	2025-03-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
6	2025 KSNG Open (U10)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	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	DR KK Chess Volkies 2025 (U10)	2025-10-18	2025-10-18	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
2	Dr KK Regional Trials Potch 2025 (U10)	2025-09-27	2025-09-27	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
3	Knight Shift Open Chess Tournament 2025 (U10)	2025-08-02	2025-08-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
4	CURRO Tournament 2025 (U10)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
5	Dr Kenneth Kaunda La Hoff PS 2025 (U10)	2025-03-01	2025-03-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
6	2025 KSNG Open (U10)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	DR KK Volkies 2025 (U8)	2025-02-01	2025-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U8 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
9	DR KKD Mooirivier Trials 2024 (U8)	2024-09-14	2024-09-14	Standard	Dr Kenneth Kaunda (NWP)	6	6	6	Yes	Analysis
10	DR KKD Curro Agegroup 2024 (U10)	2024-08-31	2024-08-31	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
11	DR KK Gimmies 2024 (F Beginners)	2024-07-13	2024-07-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	4.5	Yes	Analysis
12	DR KKD Saamtrek 2024 (Junior Beginners)	2024-06-08	2024-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
13	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	De Kock ,H (Hanroux)	4	2	0	4	2	0	0	0	0	0	0	0
3	De Kock ,H (Hanroux)	4	1385.7	1385.7	4	1384.6	1385.7	0	0	0	0	0	0
4	Prins ,L (Luan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Prins ,L (Luan)	3	1218.6	1360.2	3	1222.1	1360.2	0	0	0	0	0	0
5	Pretorius ,L (Lihan)	3	3	425	3	3	425	0	0	0	0	0	0
5	Pretorius ,L (Lihan)	3	1212	1637	3	1213.9	1637	0	0	0	0	0	0
6	Paarlberg ,K (Katrijn)	2	2	425	2	2	425	0	0	0	0	0	0
6	Paarlberg ,K (Katrijn)	2	1165.8	1590.8	2	1158.4	1590.8	0	0	0	0	0	0
7	Louw ,L (Louis)	2	2	425	2	2	425	0	0	0	0	0	0
7	Louw ,L (Louis)	2	1120.3	1545.3	2	1108	1545.3	0	0	0	0	0	0
8	Moloantoa ,K (Kgosi)	2	2	425	2	2	425	0	0	0	0	0	0
8	Moloantoa ,K (Kgosi)	2	1183.6	1608.6	2	1179.9	1608.6	0	0	0	0	0	0
9	Mojaki ,L (Letlotlo)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Mojaki ,L (Letlotlo)	2	1313.8	888.8	2	1340.1	888.8	0	0	0	0	0	0
10	Gresse ,J (Jayden)	2	2	425	2	2	425	0	0	0	0	0	0
10	Gresse ,J (Jayden)	2	1156.6	1581.6	2	1160.4	1581.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pretorius, B (Berno)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms