Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johnson, B (Brian)

Chess SA id

1150193579

FIDE id

Date of birth

2015-08-19 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

91.9

Junior GPX Points

1260

Item	Main	Standard	Rapid	Blitz
Rating	1597.9	1513.8	1558.4	1200
Raw rating	1579	1513.8	1558.4	1200
Weighted rating	1433.7	1369.9	1434.7	1200
Weighted performance	1597.9	1496.9	1522.9	0
Floor	1079	1013.8	1058.4	700
K-factor	32	32	32	36
Min/Max rating change allowed	96.6	106	99.5	165.8
Highest rating	1607.4 2025-09-01	1513.8 2025-09-01	1558.4 2025-09-01	1200 2024-02-01
Highest raw rating	1579 2025-09-01	1513.8 2025-09-01	1558.4 2025-09-01	1200 2024-02-01
Highest weighted rating	1525.3 2024-10-01	1478 2024-10-01	1524.7 2024-10-01	1200 2024-02-01
Highest weighted performance	1614.1 2025-09-01	1512.2 2025-09-01	1538.6 2025-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	0	0	0
New rating	1597.4	1513.8	1558.4	1200
Analysis
Rating	1597.9	1513.8	1558.4	1200
Raw rating	1579	1513.8	1558.4	1200
Weighted rating	1433.7	1369.9	1434.7
Weighted performance	1597.9	1496.9	1522.9
K-factor	32	32	32	36
Floor	1079	1013.8	1058.4	700
Max/Min rating change allowed	96.6	106	99.5	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	1579	1513.8	1558.4	1200
New weighted rating	1450.9	1386.2	1450	1200
New weighted performance	1597.4	1496.4	1522.4	0
Temp new rating	1597.4	1513.8	1558.4	1200
Temp new rating +/-	-0.6	0	0	0
Final new rating +/-	-0.6	0	0	0
New rating	1597.4	1513.8	1558.4	1200
New K-factor	32	32	32	36
New floor	1079	1013.8	1058.4	700

Item	Main	Standard	Rapid
	0	0	0
	103	54	49
	92	35	57
	0	0	0
	0	0	0
	0	0	0
History	195	89	106

Games since
	Main 195	Standard 89		Rapid 106		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	654		184		118
Male	594		161		103
U12	48		17		11
U12 Male	40		13		9
Standard
	RSA		Province		Region
Overall	1070		291		157
Male	918		238		132
U12	107		29		14
U12 Male	77		19		10
Rapid
	RSA		Province		Region
Overall	142		69		39
Male	137		66		39
U12	10		9		5
U12 Male	9		8		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	103	73	70.87	177.4	1359.3	1536.8
Standard	54	36.5	67.59	149.5	1371.9	1521.4
Rapid	49	36.5	74.49	208.2	1345.5	1553.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	195	129	66.15	137.3	1317.5	1454.8
Standard	89	54.5	61.24	95.5	1336.5	1432
Rapid	106	74.5	70.28	172.4	1301.7	1474.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1579	1513.8	1558.4	1200
2025-09-01	1579	1513.8	1558.4	1200
2025-08-01	1499.1	1455.3	1499.1	1200
2025-07-01	1515.1	1471.6	1499.1	1200
2025-06-01	1525.3	1478	1499.1	1200
2025-05-01	1461.6	1428.3	1458.4	1200
2025-04-01	1442.5	1428.3	1429.8	1200
2025-03-01	1514.6	1404.3	1524.7	1200
2025-02-01	1415.8	1304.1	1453	1200
2025-01-01	1368.6	1277.2	1392.1	1200
2024-12-01	1381.8	1277.2	1429.2	1200
2024-11-01	1374.3	1277.2	1421.8	1200
2024-10-01	1356.7	1261	1436.2	1200
2024-09-01	1448.4	1311.6	1329.8	1200
2024-08-01	1344.9	1235.3	1329.8	1200
2024-07-01	1265.7	1235.3	1261.4	1200
2024-06-01	1227.2	1189.6	1261.4	1200
2024-08-01	1212.5	1189.6	1241.6	1200
2024-04-01	1212.5	1189.6	1241.6	1200
2024-03-01	1218.6	1221.6	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	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	6	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
3	Cape Town Metro North Top Schools 2025 (U11)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
4	Cape Winelands Open 2025 (U12)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Town Chess Junior League 2025 (U12)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
6	St John's CBC Rapid 2025 (U10)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	6	6	6	Yes	Analysis
7	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
8	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
9	Rylib Autumn Slam 2025 (Intermediate)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis
10	Hermanus Chess Club Open 2025 (U10)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	6	Yes	Analysis
11	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis
12	Western Cape Closed 2025 (U12)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
13	CT Metro Schools Individual Closed 2025 (U11 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
14	Cape of Good Hope Open 2025 (U10)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
15	Laerskool Welgemoed Rapid 2025 (U12)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
16	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
17	Helderberg Chess Club PS Development Tournament 2025 (U11 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
18	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	6	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
3	Cape Town Metro North Top Schools 2025 (U11)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
4	Cape Winelands Open 2025 (U12)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Town Chess Junior League 2025 (U12)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
6	St John's CBC Rapid 2025 (U10)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	6	6	6	Yes	Analysis
7	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
8	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
9	Rylib Autumn Slam 2025 (Intermediate)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis
10	Hermanus Chess Club Open 2025 (U10)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	6	Yes	Analysis
11	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis
12	Western Cape Closed 2025 (U12)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
13	CT Metro Schools Individual Closed 2025 (U11 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
14	Cape of Good Hope Open 2025 (U10)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
15	Laerskool Welgemoed Rapid 2025 (U12)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
16	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
17	Helderberg Chess Club PS Development Tournament 2025 (U11 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
18	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
19	Rylib Summer Slam 2024 (Open)	2024-12-03	2024-12-03	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
20	Chess Challengers Championship 2024 (U10)	2024-11-23	2024-11-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
21	Laerskool Welgemoed Rapid 2024 (U10)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
22	Chess Elevation Series - October 2024 (Level 2)	2024-10-25	2024-10-26	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
23	UCT Open Chess Championship 2024 (U10)	2024-10-12	2024-10-13	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
24	Spring Slam 2024 (B)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
25	Chess Elevation Series -September 2024 (Level 3)	2024-09-20	2024-09-21	Standard	Cape Town (WCT)	5	5	0.5	Yes	Analysis
26	CT League 2024 (D)	2024-08-03	2024-08-03	Standard	Cape Town (WCT)	6	4	2	Yes	Analysis
27	CBC Rapid Chess Tournament 2024 (U10)	2024-09-14	2024-09-14	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
28	Kleinmond Chess Club Open 2024 (U10)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
29	Western Cape Women�s Championship 2024 (U10)	2024-08-09	2024-08-09	Standard	West Coast (WCU)	5	5	4.5	Yes	Analysis
30	CT District North Top Schools 2024 (U9 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	4	4	Yes	Analysis
31	Cape Town Chess Federation Closed Chess Championships 2024 (U10)	2024-06-15	2024-06-15	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
32	Steinitz Chess Festival 2024 (U10)	2024-05-11	2024-05-11	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
33	Chas Everitt and MHI Attorneys Rapid 2024 (U10)	2024-03-09	2024-03-09	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
34	Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
35	North District School Trials 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament Western Cape Women�s Championship 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-09-07	rnd 5	type Rapid	result 0.5
		Opponent Akemdien, A (Alex)				Opponent Walters, N (Nicola)
2	9	Tournament Western Cape Schools Individual Championship 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-24	rnd 6	type Rapid	result 1
		Opponent Gebuza, L (Lufiko)				Opponent Ghamlouche, I (Isabelle)
3	7	Tournament Western Cape Women�s Championship 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Viljoen, A (Adrihan)				Opponent Akemdien, A (Alex)

#	Games	Start				End
1	5	Tournament Cape Town Metro North Top Schools 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent He, L (Lily)				Opponent Langenhoven, J (Jasmin-Grace)
2	5	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-02-09	rnd 4	type Standard	result 1
		Opponent Van Der Spuy, D (Daniel)				Opponent Van Der Merwe, S (Schalk Wolf)
3	5	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-08-09	rnd 5	type Standard	result 1
		Opponent Akemdien, A (Alex)				Opponent Ramonyaluoe, M (Madalitso)

#	Games	Start				End
1	14	Tournament Rylib Autumn Slam 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-26	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Meissenheimer, K (Kyle)				Opponent Akemdien, A (Alex)
2	9	Tournament CT District North Top Schools 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 0.5
		Opponent Muller, S (Sebastiaan)				Opponent Walters, N (Nicola)
3	5	Tournament 2025 Kraaifontein Open Chess Championships				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-01-04	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Van Der Spuy, D (Daniel)				Opponent Indhull, N (Nikita)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Western Cape Schools Individual Championship 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-24	rnd 6	type Rapid	result 1
		Opponent Gebuza, L (Lufiko)				Opponent Ghamlouche, I (Isabelle)
2	7	Tournament Western Cape Women�s Championship 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Viljoen, A (Adrihan)				Opponent Akemdien, A (Alex)
3	5	Tournament Cape Town Metro North Top Schools 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent He, L (Lily)				Opponent Langenhoven, J (Jasmin-Grace)

#	Games	Start				End
1	5	Tournament Cape Town Metro North Top Schools 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent He, L (Lily)				Opponent Langenhoven, J (Jasmin-Grace)
2	5	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-02-09	rnd 4	type Standard	result 1
		Opponent Van Der Spuy, D (Daniel)				Opponent Van Der Merwe, S (Schalk Wolf)
3	4	Tournament Cape Winelands Open 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Li, H (Haochen)				Opponent Barendse, J (Jayden)

#	Games	Start				End
1	12	Tournament St John's CBC Rapid 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Matoti, L (Lulo)				Opponent Akemdien, A (Alex)
2	8	Tournament CT District North Top Schools 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Muller, S (Sebastiaan)				Opponent Coetzer, R (Rossouw)
3	5	Tournament 2025 Kraaifontein Open Chess Championships				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-01-04	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Van Der Spuy, D (Daniel)				Opponent Indhull, N (Nikita)

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	Beukes ,B (Benjamin)	7	3	-60.7	3	0	-425	4	3	212.5	0	0	0
1	Beukes ,B (Benjamin)	7	1391.4	1330.6	3	1360.3	966.4	4	1367.2	1603.9	0	0	0
2	Van Der Merwe ,S (Schalk Wolf)	5	1	-255	2	1	0	3	0	-425	0	0	0
2	Van Der Merwe ,S (Schalk Wolf)	5	1599	1344	2	1613.1	1599	3	1678.2	1174	0	0	0
3	Stern ,M (Mason)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Stern ,M (Mason)	3	1771.5	1346.5	3	1764.1	1346.5	0	0	0	0	0	0
4	Griesel ,J (Jason)	3	2	141.7	2	1	0	1	1	425	0	0	0
4	Griesel ,J (Jason)	3	1377.5	1519.2	2	1304.1	1377.5	1	1351.4	1802.5	0	0	0
5	Mzizana ,U (Ulungile)	3	3	425	1	1	425	2	2	425	0	0	0
5	Mzizana ,U (Ulungile)	3	1260.4	1685.4	1	1200	1685.4	2	1280.5	1685.4	0	0	0
6	Zhang ,M (Ming Xuan Jesse)	3	3	425	1	1	425	2	2	425	0	0	0
6	Zhang ,M (Ming Xuan Jesse)	3	1362.3	1787.3	1	1341.1	1787.3	2	1375.3	1787.3	0	0	0
7	Akemdien ,A (Alex)	3	2	141.7	1	1	425	2	1	0	0	0	0
7	Akemdien ,A (Alex)	3	1445.2	1586.9	1	1187.8	1870.2	2	1474.9	1445.2	0	0	0
8	Nel ,M (Mattheus Johan)	3	3	425	0	0	0	3	3	425	0	0	0
8	Nel ,M (Mattheus Johan)	3	1211.1	1636.1	0	0	0	3	1231.5	1636.1	0	0	0
9	Langenhoven ,J (Jasmin-Grace)	2	2	425	2	2	425	0	0	0	0	0	0
9	Langenhoven ,J (Jasmin-Grace)	2	1251.7	1676.7	2	1266.9	1676.7	0	0	0	0	0	0
10	Wiggill ,H (Handre)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Wiggill ,H (Handre)	2	1265.4	840.4	2	1247.6	840.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Johnson, B (Brian)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms