Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, B (Bryson)

Chess SA id

1160150931

FIDE id

534018310

Date of birth

2016-11-01 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-20

Personal details last changed

2025-02-04

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1622.1	1592.4	1415.2	1200
Raw rating	1596.9	1585.3	1389	1200
Weighted rating	1511.2	1520.7	1254.7	1200
Weighted performance	1622.1	1592.4	1415.2	0
Floor	1099.9	1104.9	889	700
K-factor	32	28	36	36
Min/Max rating change allowed	94.2	95.8	126.7	165.8
Highest rating	1630.3 2025-11-01	1604.9 2025-03-01	1431.4 2025-11-30	1200 2018-10-01
Highest raw rating	1599.9 2025-11-01	1604.9 2025-03-01	1389 2025-11-30	1200 2024-02-01
Highest weighted rating	1511.2 2026-01-01	1520.7 2026-01-01	1241.4 2025-11-30	1200 2018-10-01
Highest weighted performance	1630.3 2025-11-01	1604.9 2024-09-01	1431.4 2025-11-30	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-10.7	-7.1	-9.6	0
New rating	1611.4	1585.3	1405.5	1200
Analysis
Rating	1622.1	1592.4	1415.2	1200
Raw rating	1596.9	1585.3	1389	1200
Weighted rating	1511.2	1520.7	1254.7
Weighted performance	1622.1	1592.4	1415.2
K-factor	32	28	36	36
Floor	1099.9	1104.9	889	700
Max/Min rating change allowed	94.2	95.8	126.7	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	1596.9	1585.3	1389	1200
New weighted rating	1521.9	1529.6	1267.4	1200
New weighted performance	1611.4	1581.8	1405.5	0
Temp new rating	1611.4	1585.3	1405.5	1200
Temp new rating +/-	-10.7	-7.1	-9.6	0
Final new rating +/-	-10.7	-7.1	-9.6	0
New rating	1611.4	1585.3	1405.5	1200
New K-factor	40	28	36	36
New floor	1099.9	1104.9	889	700

Item	Main	Standard	Rapid
	0	0	0
	88	59	29
	61	56	5
	16	16	0
	0	0	0
	0	0	0
History	165	131	34

Games since
	Main 149	Standard 115		Rapid 34		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	535		165		32
Male	489		151		29
U10	13		2		2
U10 Male	11		2		2
Standard
	RSA		Province		Region
Overall	806		215		39
Male	712		188		34
U10	29		4		2
U10 Male	24		4		2
Rapid
	RSA		Province		Region
Overall	410		200		17
Male	360		176		16
U10	19		11		2
U10 Male	17		10		2
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	88	64	72.73	193.2	1345	1538.2
Standard	59	44.5	75.42	216.1	1341	1557.1
Rapid	29	19.5	67.24	146.6	1353.2	1499.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	165	113	68.48	157.1	1301.3	1458.4
Standard	131	91.5	69.85	168.7	1291.4	1460.1
Rapid	34	21.5	63.24	112.5	1339.4	1451.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1596.9	1585.3	1389	1200
2025-11-30	1594.1	1560.7	1389	1200
2025-11-01	1599.9	1560.7	1355.2	1200
2025-09-30	1573.6	1560.7	1252.9	1200
2025-09-01	1559.3	1547.8	1252.9	1200
2025-08-01	1556.8	1539.7	1252.9	1200
2025-07-01	1465.5	1486.4	1252.9	1200
2025-06-01	1465.5	1486.4	1252.9	1200
2025-05-01	1456.1	1501.7	1195	1200
2025-04-01	1495.9	1585.6	1194.9	1200
2025-03-01	1480.5	1604.9	1191.9	1200
2025-02-01	1466.9	1491.8	1194.8	1200
2025-01-01	1466.9	1491.8	1182.8	1200
2024-12-01	1466.9	1491.8	1182.8	1200
2024-11-01	1466.9	1491.8	1182.8	1200
2024-10-01	1494.6	1491.8	1200	1200
2024-09-01	1487.8	1483.7	1200	1200
2024-11-01	1423	1423.6	1200	1200
2024-07-01	1391.9	1386.2	1200	1200
2024-06-01	1386.1	1377.9	1200	1200
2024-05-01	1416.1	1420.5	1200	1200
2024-04-01	1384.7	1381.6	1200	1200
2024-03-01	1282.4	1300.4	1200	1200
2024-02-01	1154.2	1140.8	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	2025 Mzansi Individual Championships (U10 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U10 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
3	Laerskool George Suid 2025 (Ope)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	5	3	1.5	Yes	Analysis
4	Voories Skaaktoernooi 2025 (O9)	2025-11-08	2025-11-08	Rapid	Eden (WEG)	5	5	4.5	Yes	Analysis
5	HCPS Invitational Rapid Tournament 2025 (U9)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	6	Yes	Analysis
6	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
7	Eden Top Schools 2025 (U9)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
8	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	5	Yes	Analysis
9	Dennie Chess Rapid Tournament Open 2025 (U9)	2025-05-24	2025-05-24	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
10	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
11	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	7.5	Yes	Analysis
12	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	3	Yes	Analysis
13	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
14	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
15	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	1.5	Yes	Analysis
16	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
17	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	4	Yes	Analysis
18	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
19	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
20	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	5	Yes	Analysis
21	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	4	Yes	Analysis
22	George Primary Top Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	5	Yes	Analysis
23	Eden Open 2024 (D)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
24	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
25	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	6	Yes	Analysis
26	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
27	George Schools Trials 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	4	Yes	Analysis
28	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
29	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	4	Yes	Analysis
30	Western Cape Top Schools 2023 (U7 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
31	Western Cape PS Individuals 2023 (U7 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
32	George Chess Trials 3 2023 (U7 Boys+Girls)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	13	Tournament Eden Open 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-22	rnd 5	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Rostoll, A (Arno)				Opponent Gage, C (Clayton)
2	10	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Eden Top Schools 2025
		date 2025-05-24	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Harmse, A (Adriaan)				Opponent Jantjies, A (Armando)
3	10	Tournament George Schools Chess Trials 1 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Seaward, C (Cameron)				Opponent Dimaza, L (Lulo)

#	Games	Start				End
1	13	Tournament Western Cape Top Schools Championship 2024				Tournament George Schools Chess Trials 3 2025
		date 2024-09-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Menhinick, K (Kai)				Opponent Beukes, C (Clayton)
2	13	Tournament Eden Open 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-22	rnd 5	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Rostoll, A (Arno)				Opponent Gage, C (Clayton)
3	9	Tournament Western Cape Schools Individual Championship 2025				Tournament Eden Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Lingenfelder, S (Stephanus)				Opponent Jantjies, A (Armando)

#	Games	Start				End
1	2	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-05-24	rnd 4	type Rapid	result 1	date 2025-05-24	rnd 5	type Rapid	result 1
		Opponent Harmse, A (Adriaan)				Opponent Jordaan, Z (Zoila)
2	2	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 2	type Rapid	result 1
		Opponent Zaaiman, J (Jean)				Opponent Vermeulen, E (Elster)
3	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 0.5
		Opponent Etsala-Kourou, W (William)				Opponent Bester, N (Nicolaas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	13	Tournament Eden Open 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-22	rnd 5	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Rostoll, A (Arno)				Opponent Gage, C (Clayton)
2	10	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Eden Top Schools 2025
		date 2025-05-24	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Harmse, A (Adriaan)				Opponent Jantjies, A (Armando)
3	10	Tournament George Schools Chess Trials 1 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Seaward, C (Cameron)				Opponent Dimaza, L (Lulo)

#	Games	Start				End
1	13	Tournament Western Cape Top Schools Championship 2024				Tournament George Schools Chess Trials 3 2025
		date 2024-09-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Menhinick, K (Kai)				Opponent Beukes, C (Clayton)
2	13	Tournament Eden Open 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-22	rnd 5	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Rostoll, A (Arno)				Opponent Gage, C (Clayton)
3	9	Tournament Western Cape Schools Individual Championship 2025				Tournament Eden Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Lingenfelder, S (Stephanus)				Opponent Jantjies, A (Armando)

#	Games	Start				End
1	2	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-05-24	rnd 4	type Rapid	result 1	date 2025-05-24	rnd 5	type Rapid	result 1
		Opponent Harmse, A (Adriaan)				Opponent Jordaan, Z (Zoila)
2	2	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 2	type Rapid	result 1
		Opponent Zaaiman, J (Jean)				Opponent Vermeulen, E (Elster)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent Etsala-Kourou, W (William)				Opponent Etsala-Kourou, W (William)

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	Rens ,B (Beauwin)	8	5	106.2	4	3	212.5	4	2	0	0	0	0
1	Rens ,B (Beauwin)	8	1423.7	1529.9	4	1434.9	1636.2	4	1282.4	1423.7	0	0	0
2	Vermeulen ,E (Elster)	6	3.5	70.8	4	2	0	2	1.5	212.5	0	0	0
2	Vermeulen ,E (Elster)	6	1546.1	1617	4	1500.5	1546.1	2	1228.3	1758.6	0	0	0
3	Opperman ,C (Caden)	4	0	-425	4	0	-425	0	0	0	0	0	0
3	Opperman ,C (Caden)	4	1413.1	988.1	4	1412.4	988.1	0	0	0	0	0	0
4	Marner ,L (Loannes)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
4	Marner ,L (Loannes)	4	1295.3	1507.8	3	1302.5	1436.9	1	1187.1	1720.3	0	0	0
5	Louw ,L (Luca)	3	3	425	3	3	425	0	0	0	0	0	0
5	Louw ,L (Luca)	3	1185.1	1610.1	3	1183.4	1610.1	0	0	0	0	0	0
6	Rens ,D (Deauwin)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Rens ,D (Deauwin)	3	1400.9	1542.5	3	1419.9	1542.5	0	0	0	0	0	0
7	Rostoll ,A (Arno)	3	3	425	3	3	425	0	0	0	0	0	0
7	Rostoll ,A (Arno)	3	1387.8	1812.8	3	1382.8	1812.8	0	0	0	0	0	0
8	Zaaiman ,J (Jean)	3	3	425	2	2	425	1	1	425	0	0	0
8	Zaaiman ,J (Jean)	3	1205	1630	2	1198.6	1630	1	1200	1630	0	0	0
9	Raubenheimer ,J (Josia)	2	2	425	2	2	425	0	0	0	0	0	0
9	Raubenheimer ,J (Josia)	2	1225.5	1650.5	2	1237.4	1650.5	0	0	0	0	0	0
10	Badenhorst ,R (Rouxan)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Badenhorst ,R (Rouxan)	2	1474.7	1049.7	2	1435.1	1049.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Petersen, B (Bryson)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms