Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, B (Bryson)

Chess SA id

1160150931

FIDE id

Date of birth

2016-11-01 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

2025-02-04

Junior GPX Games

66.5

Junior GPX Points

1364.8

Item	Main	Standard	Rapid	Blitz
Rating	1590.9	1580.4	1252.9	1200
Raw rating	1573.6	1560.7	1252.9	1200
Weighted rating	1470.4	1489.5	1215.6	1200
Weighted performance	1590.9	1580.4	0	0
Floor	1073.6	1104.9	752.9	700
K-factor	32	28	36	36
Min/Max rating change allowed	97.4	99.2	153.8	165.8
Highest rating	1590.9 2025-09-30	1604.9 2025-03-01	1252.9 2025-06-01	1200 2018-10-01
Highest raw rating	1573.6 2025-09-30	1604.9 2025-03-01	1252.9 2025-06-01	1200 2024-02-01
Highest weighted rating	1470.4 2025-09-30	1489.5 2025-09-30	1207.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1590.9 2025-09-30	1604.9 2024-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	-0.6	0	0
New rating	1590.4	1579.9	1252.9	1200
Analysis
Rating	1590.9	1580.4	1252.9	1200
Raw rating	1573.6	1560.7	1252.9	1200
Weighted rating	1470.4	1489.5	1215.6
Weighted performance	1590.9	1580.4	0
K-factor	32	28	36	36
Floor	1073.6	1104.9	752.9	700
Max/Min rating change allowed	97.4	99.2	153.8	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	1573.6	1560.7	1252.9	1200
New weighted rating	1483.6	1500.7	1219.2	1200
New weighted performance	1590.4	1579.9	0	0
Temp new rating	1590.4	1579.9	1252.9	1200
Temp new rating +/-	-0.6	-0.6	0	0
Final new rating +/-	-0.6	-0.6	0	0
New rating	1590.4	1579.9	1252.9	1200
New K-factor	32	28	36	36
New floor	1073.6	1104.9	752.9	700

Item	Main	Standard	Rapid
	0	0	0
	74	59	15
	61	56	5
	16	16	0
	0	0	0
	0	0	0
History	151	131	20

Games since
	Main 135	Standard 115		Rapid 20		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	686		196		36
Male	616		170		32
U10	28		5		2
U10 Male	24		4		2
Standard
	RSA		Province		Region
Overall	680		176		36
Male	605		151		31
U10	29		5		2
U10 Male	25		4		2
Rapid
	RSA		Province		Region
Overall	1326		674		40
Male	1062		522		34
U10	119		63		3
U10 Male	94		49		3
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	74	52	70.27	172.3	1341.3	1513.6
Standard	59	44.5	75.42	216.1	1341	1557.1
Rapid	15	7.5	50	0	1342.6	1342.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	151	101	66.89	143.5	1295.4	1438.9
Standard	131	91.5	69.85	168.7	1291.4	1460.1
Rapid	20	9.5	47.5	-21.2	1321.7	1300.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
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
2024-08-01	1423	1423.6	1200	1200
2024-07-01	1391.9	1386.2	1200	1200
2024-06-01	1386.1	1377.9	1200	1200
2024-08-01	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
2024-01-01	1154.2	1140.8	1200	1200
2023-12-01	1154.2	1140.8	1200	1200
2023-11-01	1154.2	1140.8	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	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Eden Top Schools 2025 (U9)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	5	Yes	Analysis
4	Dennie Chess Rapid Tournament Open 2025 (U9)	2025-05-24	2025-05-24	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	7.5	Yes	Analysis
7	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	3	Yes	Analysis
8	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
9	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
10	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	1.5	Yes	Analysis
11	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
12	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	4	Yes	Analysis
13	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Eden Top Schools 2025 (U9)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	5	Yes	Analysis
4	Dennie Chess Rapid Tournament Open 2025 (U9)	2025-05-24	2025-05-24	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	7.5	Yes	Analysis
7	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	8	3	Yes	Analysis
8	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
9	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
10	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	1.5	Yes	Analysis
11	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
12	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	4	Yes	Analysis
13	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
14	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
15	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	5	Yes	Analysis
16	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	4	Yes	Analysis
17	George Primary Top Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	5	Yes	Analysis
18	Eden Open 2024 (D)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
19	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
20	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	6	Yes	Analysis
21	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
22	George Schools Trials 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	4	Yes	Analysis
23	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
24	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	4	Yes	Analysis
25	Western Cape Top Schools 2023 (U7 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
26	Western Cape PS Individuals 2023 (U7 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
27	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)	6	3	0	4	3	212.5	2	0	-425	0	0	0
1	Rens ,B (Beauwin)	6	1408.5	1408.5	4	1434.9	1621	2	1248.2	983.5	0	0	0
2	Vermeulen ,E (Elster)	5	3	85	4	2	0	1	1	425	0	0	0
2	Vermeulen ,E (Elster)	5	1526.8	1611.8	4	1500.5	1526.8	1	1200	1951.8	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)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Marner ,L (Loannes)	3	1275.2	1416.8	3	1302.5	1416.8	0	0	0	0	0	0
5	Rens ,D (Deauwin)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Rens ,D (Deauwin)	3	1400.9	1542.5	3	1419.9	1542.5	0	0	0	0	0	0
6	Louw ,L (Luca)	3	3	425	3	3	425	0	0	0	0	0	0
6	Louw ,L (Luca)	3	1185.1	1610.1	3	1183.4	1610.1	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	Coleman ,G (Gabriella)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Coleman ,G (Gabriella)	2	1553.8	1766.3	2	1554.5	1766.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

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