Chess South Africa Ratings Database

PLAYER PAGE

Personal

Conradie, J (Johandre)

Chess SA id

1140149824

FIDE id

Date of birth

2014-09-29 (U12)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

14.8

Junior GPX Points

1149.1

Item	Main	Standard	Rapid	Blitz
Rating	1239.4	1188.3	1260.7	1200
Raw rating	1239.4	1188.3	1260.7	1200
Weighted rating	1212.4	1186.3	1235.1	1200
Weighted performance	1186.6	0	0	0
Floor	739.4	741.6	760.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.8	168.6	152.1	165.8
Highest rating	1431.1 2023-02-01	1429.5 2023-02-01	1354.6 2023-08-01	1200 2018-10-01
Highest raw rating	1239.4 2025-09-30	1241.6 2023-03-01	1260.7 2025-09-30	1200 2024-03-01
Highest weighted rating	1234.5 2024-08-01	1241.6 2023-03-01	1241.2 2024-08-01	1200 2018-10-01
Highest weighted performance	1431.1 2023-02-01	1429.5 2023-02-01	1354.6 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1239.4	1188.3	1260.7	1200
Analysis
Rating	1239.4	1188.3	1260.7	1200
Raw rating	1239.4	1188.3	1260.7	1200
Weighted rating	1212.4	1186.3	1235.1
Weighted performance	1186.6	0	0
K-factor	36	36	36	36
Floor	739.4	741.6	760.7	700
Max/Min rating change allowed	156.8	168.6	152.1	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	1239.4	1188.3	1260.7	1200
New weighted rating	1214.7	1186.5	1237.2	1200
New weighted performance	1179.4	0	0	0
Temp new rating	1239.4	1188.3	1260.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1239.4	1188.3	1260.7	1200
New K-factor	36	36	36	36
New floor	739.4	741.6	760.7	700

Item	Main	Standard	Rapid
	0	0	0
	20	10	10
	5	0	5
	15	9	6
	0	0	0
	0	0	0
History	40	19	21

Games since
	Main 25	Standard 10		Rapid 15		Blitz 0
Gender	Male
Age group	U12
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	20	10.5	52.5	21.2	1259.3	1280.6
Standard	10	4.5	45	-42.5	1267.3	1224.8
Rapid	10	6	60	85	1251.3	1336.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	20.5	51.25	10.6	1237.6	1248.2
Standard	19	8.5	44.74	-44.7	1246.7	1202
Rapid	21	12	57.14	60.7	1229.3	1290
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1239.4	1188.3	1260.7	1200
2025-09-30	1239.4	1188.3	1260.7	1200
2025-09-01	1216.4	1188.3	1238.1	1200
2025-08-01	1208	1188.3	1230.9	1200
2025-07-01	1208	1188.3	1230.9	1200
2025-06-01	1208	1188.3	1230.9	1200
2025-05-01	1208	1188.3	1230.9	1200
2025-04-01	1208	1188.3	1230.8	1200
2025-03-01	1210.7	1191.2	1230.6	1200
2025-02-01	1204.7	1182.9	1229.6	1200
2025-01-01	1201.9	1182.9	1218.9	1200
2024-12-01	1201.9	1182.9	1218.9	1200
2024-11-01	1201.9	1182.9	1218.9	1200
2024-10-01	1201.9	1182.9	1218.9	1200
2024-09-01	1201.9	1182.9	1218.9	1200
2024-08-01	1208.6	1182.9	1241.2	1200
2024-07-01	1208.6	1182.9	1241.2	1200
2024-09-01	1208.6	1182.9	1241.2	1200
2024-05-01	1208.6	1182.9	1241.2	1200
2024-04-01	1208.6	1182.9	1241.2	1200
2024-03-01	1208.6	1182.9	1241.2	1200
2024-02-01	1208.6	1182.9	1241.2	1200
2024-01-01	1208.6	1182.9	1241.2	1200
2023-12-01	1208.6	1182.9	1241.2	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	Rhenish Primary 2025 (U12)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Stellenbosch Primary 2025 (U11)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U11 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rhenish Primary 2025 (U12)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Stellenbosch Primary 2025 (U11)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U11 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
5	Stellenbosch Primary 2024 (U11)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	Stellenbosch Primary Chess Tournament 2023 (U10)	2023-08-19	2023-08-19	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
7	Cape Winelands Schools Prestige 2023 (U9 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
8	Cape Winelands Schools Chess - Trials 1 2023 (U9 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	4	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-03-11	rnd 1	type Standard	result 1
		Opponent Louw, P (Phillip Adriaan)				Opponent Roets, S (Sebastian)
2	3	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Adams, B (Bladen)				Opponent Erasmus, J (Jacques)
3	3	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Van Wyk, R (Ruben)				Opponent Van Niekerk, T (Thomas)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-03-11	rnd 1	type Standard	result 1
		Opponent Louw, P (Phillip Adriaan)				Opponent Roets, S (Sebastian)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Geers, Q (Quan)				Opponent Kriel, D (Daniel)
3	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Jansen Van Rensburg, X (Xandre)				Opponent Jansen Van Rensburg, X (Xandre)

#	Games	Start				End
1	3	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Adams, B (Bladen)				Opponent Erasmus, J (Jacques)
2	3	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Van Wyk, R (Ruben)				Opponent Van Niekerk, T (Thomas)
3	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Chauke, E (Elrenzo)				Opponent De Waal, H (Herman)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-03-11	rnd 1	type Standard	result 1
		Opponent Louw, P (Phillip Adriaan)				Opponent Roets, S (Sebastian)
2	3	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Adams, B (Bladen)				Opponent Erasmus, J (Jacques)
3	3	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Van Wyk, R (Ruben)				Opponent Van Niekerk, T (Thomas)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-03-11	rnd 1	type Standard	result 1
		Opponent Louw, P (Phillip Adriaan)				Opponent Roets, S (Sebastian)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Geers, Q (Quan)				Opponent Kriel, D (Daniel)
3	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Jansen Van Rensburg, X (Xandre)				Opponent Jansen Van Rensburg, X (Xandre)

#	Games	Start				End
1	3	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Adams, B (Bladen)				Opponent Erasmus, J (Jacques)
2	3	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Van Wyk, R (Ruben)				Opponent Van Niekerk, T (Thomas)
3	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Chauke, E (Elrenzo)				Opponent De Waal, H (Herman)

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	Kriel ,D (Daniel)	2	2	425	2	2	425	0	0	0	0	0	0
1	Kriel ,D (Daniel)	2	1260.7	1685.7	2	1241.2	1685.7	0	0	0	0	0	0
2	Visser ,AJC (Alwyn Jacobus Christiaan)	2	1	0	2	1	0	0	0	0	0	0	0
2	Visser ,AJC (Alwyn Jacobus Christiaan)	2	1263.8	1263.8	2	1264.6	1263.8	0	0	0	0	0	0
3	Goncalves Alho ,M (Miguel)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Goncalves Alho ,M (Miguel)	2	1409.1	984.1	1	1331.5	984.1	1	1369.3	984.1	0	0	0
4	Van Niekerk ,T (Thomas)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Van Niekerk ,T (Thomas)	2	1139.4	1139.4	1	1155.6	714.4	1	1234.4	1564.4	0	0	0
5	Erasmus ,J (Jacques)	2	2	425	0	0	0	2	2	425	0	0	0
5	Erasmus ,J (Jacques)	2	1144.7	1569.7	0	0	0	2	1118.8	1569.7	0	0	0
6	Louw ,P (Philip Adriaan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Louw ,P (Philip Adriaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Jansen Van Rensburg ,X (Xandre)	1	1	425	1	1	425	0	0	0	0	0	0
7	Jansen Van Rensburg ,X (Xandre)	1	1267	1692	1	1254.9	1692	0	0	0	0	0	0
8	Louw ,B (Burger)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Louw ,B (Burger)	1	1304.5	879.5	1	1273.2	879.5	0	0	0	0	0	0
9	Bennie ,J (Jakob)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Bennie ,J (Jakob)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Geers ,Q (Quan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Geers ,Q (Quan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Conradie, J (Johandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms