Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bester, J (Juandre)

Chess SA id

1110131947

FIDE id

Date of birth

2011-09-06 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1337.1	1290.8	1338.7	1200
Raw rating	1334.3	1290.8	1334.1	1200
Weighted rating	1337.1	1290.8	1338.7	1200
Weighted performance	912	771.8	944.5	0
Floor	842.7	790.8	852	700
K-factor	36	36	36	36
Min/Max rating change allowed	136.9	145.7	137	165.8
Highest rating	1342.8 2023-07-01	1290.8 2024-02-01	1352 2024-02-01	1200 2018-10-01
Highest raw rating	1342.7 2024-02-01	1290.8 2024-02-01	1352 2024-02-01	1200 2024-02-01
Highest weighted rating	1342.7 2025-02-01	1290.8 2025-06-01	1352 2025-02-01	1200 2018-10-01
Highest weighted performance	1342.8 2023-07-01	1203.9 2020-02-01	1341.1 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.3	0	-0.5	0
New rating	1336.8	1290.8	1338.2	1200
Analysis
Rating	1337.1	1290.8	1338.7	1200
Raw rating	1334.3	1290.8	1334.1	1200
Weighted rating	1337.1	1290.8	1338.7
Weighted performance	912	771.8	944.5
K-factor	36	36	36	36
Floor	842.7	790.8	852	700
Max/Min rating change allowed	136.9	145.7	137	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	1334.3	1290.8	1334.1	1200
New weighted rating	1336.8	1290.8	1338.2	1200
New weighted performance	905.7	764	937.9	0
Temp new rating	1336.8	1290.8	1338.2	1200
Temp new rating +/-	-0.3	0	-0.5	0
Final new rating +/-	-0.3	0	-0.5	0
New rating	1336.8	1290.8	1338.2	1200
New K-factor	36	36	36	36
New floor	842.7	790.8	852	700

Item	Main	Standard	Rapid
	0	0	0
	9	0	9
	5	0	5
	20	5	15
	31	12	19
	23	0	23
History	105	29	76

Games since
	Main 14	Standard 0		Rapid 14		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	9	2	22.22	-236.1	1231.8	995.7
Standard	0	0	0	0	0	0
Rapid	9	2	22.22	-236.1	1231.8	995.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	105	54.5	51.9	16.2	1246.8	1263
Standard	29	16.5	56.9	58.6	1231.1	1289.7
Rapid	76	38	50	0	1252.8	1252.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1334.3	1290.8	1334.1	1200
2025-09-30	1334.3	1290.8	1334.1	1200
2025-09-01	1334.3	1290.8	1334.1	1200
2025-08-01	1334.3	1290.8	1334.1	1200
2025-07-01	1338.7	1290.8	1341.8	1200
2025-06-01	1338.7	1290.8	1341.8	1200
2025-05-01	1338.7	1290.8	1341.8	1200
2025-04-01	1338.3	1290.8	1341.7	1200
2025-03-01	1336.2	1290.8	1338.9	1200
2025-02-01	1338.2	1290.8	1341.8	1200
2025-01-01	1338.2	1290.8	1339.4	1200
2024-12-01	1338.2	1290.8	1339.4	1200
2024-11-01	1338.2	1290.8	1339.4	1200
2024-10-01	1338.2	1290.8	1339.4	1200
2024-09-01	1338.2	1290.8	1339.4	1200
2024-08-01	1338.2	1290.8	1339.4	1200
2024-07-01	1338.2	1290.8	1339.4	1200
2024-09-01	1338.2	1290.8	1339.4	1200
2024-05-01	1338.2	1290.8	1339.4	1200
2024-04-01	1338.2	1290.8	1339.4	1200
2024-03-01	1338.2	1290.8	1339.4	1200
2024-02-01	1342.7	1290.8	1352	1200
2024-01-01	1342.7	1290.8	1352	1200
2023-12-01	1342.7	1290.8	1352	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	Upper West Coast Top Schools 2025 (U17+U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
2	Upper West Coast Presrige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Upper West Coast Top Schools 2025 (U17+U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
2	Upper West Coast Presrige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
3	Bo-Weskus Skole Prestige 2024 (O13 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Pedro Booyse Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
5	Upper West Coast Top Schools Championship 2023 (U13)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
6	Bo-Weskus Skole Prestige 2023 (O13 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
7	ORSK Back To School 2023 (B)	2023-02-04	2023-02-04	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
8	Pedro Booyse Top Schools 2022 (U11 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
9	Bo-Weskus Top Skole 2022 (O11)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
10	Western Cape Schools 2022 (U11 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
11	West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
12	West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
13	Bo Weskus Skole Skaak Prestige (O11 Seuns)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
14	Western Cape Schools 2021 (U11 Boys)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
15	West Coast Primary Schools Prestige 2021 (U11)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
16	Upper West Coast 2021 (U11)	2021-09-04	2021-09-04	Rapid	West Coast (WCU)	6	6	4	Yes	Analysis
17	Olifantsrivier CC 2021 (Invitational)	2021-03-27	2021-03-27	Rapid	West Coast (WCU)	7	7	0.5	Yes	Analysis
18	West Coast Schools Prestige 2020 (U9 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
19	Bo-Weskus Skole Prestige 2020 (O9 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
20	Check Mates 2019 (U10)	2019-08-17	2019-08-17	Standard	West Coast (WCU)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Pedro Booyse Top Schools 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-07-29	rnd 3	type Standard	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Cloete, T (Tashlynn)				Opponent Isaks, A (Aidan)
2	5	Tournament Upper West Coast 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-04	rnd 5	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 1
		Opponent Stewe, R (Raphael)				Opponent Schoeman, M (Mischke)
3	4	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Cardinal, J (Jacelynn)				Opponent Solomons, C (Chadley)

#	Games	Start				End
1	5	Tournament Bo-Weskus Skole Prestige 2020				Tournament Western Cape Schools 2022
		date 2020-02-15	rnd 4	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Cloete, J (Jordan)				Opponent Lee, S (Shakoor)
2	3	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Cloete, T (Tashlynn)				Opponent Abrahams, S (Skylar Rose)
3	3	Tournament Western Cape Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Kwabe, A (Awonke)				Opponent Pieters, A (Angelo)

#	Games	Start				End
1	5	Tournament Upper West Coast Top Schools Championship 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Cardinal, J (Jacelynn)				Opponent Isaks, A (Aidan)
2	5	Tournament Upper West Coast 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-04	rnd 5	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 1
		Opponent Stewe, R (Raphael)				Opponent Schoeman, M (Mischke)
3	4	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 3	type Rapid	result 0.5	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Jordaan, J (Joubert)				Opponent Willemse, Z (Zeke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Pedro Booyse Top Schools 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-07-29	rnd 3	type Standard	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Cloete, T (Tashlynn)				Opponent Isaks, A (Aidan)
2	5	Tournament Upper West Coast 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-04	rnd 5	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 1
		Opponent Stewe, R (Raphael)				Opponent Schoeman, M (Mischke)
3	4	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Cardinal, J (Jacelynn)				Opponent Solomons, C (Chadley)

#	Games	Start				End
1	3	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Cloete, T (Tashlynn)				Opponent Abrahams, S (Skylar Rose)
2	3	Tournament Western Cape Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Kwabe, A (Awonke)				Opponent Pieters, A (Angelo)
3	3	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 6	type Standard	result 1
		Opponent Cloete, J (Jordan)				Opponent Maletta, S (Sherevitho)

#	Games	Start				End
1	5	Tournament Upper West Coast Top Schools Championship 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Cardinal, J (Jacelynn)				Opponent Isaks, A (Aidan)
2	5	Tournament Upper West Coast 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-04	rnd 5	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 1
		Opponent Stewe, R (Raphael)				Opponent Schoeman, M (Mischke)
3	4	Tournament West Coast Schools Chess Prestige Leg 1 2022				Tournament West Coast Schools Chess Prestige Leg 1 2022
		date 2022-04-09	rnd 1	type Rapid	result 1	date 2022-04-09	rnd 4	type Rapid	result 1
		Opponent Greeff, G (Giteau)				Opponent Booysen, C (Chadlin)

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	Booysen ,C (Chadlin)	7	1	-303.6	2	0	-425	5	1	-255	0	0	0
1	Booysen ,C (Chadlin)	7	1451	1147.4	2	1369.9	1026	5	1523.5	1196	0	0	0
2	Davidson ,C (Caden)	4	3	212.5	2	1	0	2	2	425	0	0	0
2	Davidson ,C (Caden)	4	1202.3	1414.8	2	1217.6	1202.3	2	1175.1	1627.3	0	0	0
3	Pieters ,A (Angelo)	4	2	0	2	2	425	2	0	-425	0	0	0
3	Pieters ,A (Angelo)	4	1307.5	1307.5	2	1231.6	1732.5	2	1303.4	882.5	0	0	0
4	Tieties ,B (Beauton)	4	2	0	1	1	425	3	1	-141.7	0	0	0
4	Tieties ,B (Beauton)	4	1285.7	1285.7	1	1200	1710.7	3	1358.1	1144.1	0	0	0
5	Maletta ,S (Sherevitho)	4	2	0	1	1	425	3	1	-141.7	0	0	0
5	Maletta ,S (Sherevitho)	4	1238	1238	1	1194.1	1663	3	1256.5	1096.3	0	0	0
6	Cardinal ,J (Jacelynn)	3	3	425	1	1	425	2	2	425	0	0	0
6	Cardinal ,J (Jacelynn)	3	1351.2	1776.2	1	1358.7	1776.2	2	1319.4	1776.2	0	0	0
7	Cloete ,K (Kayden)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
7	Cloete ,K (Kayden)	3	1252.9	1111.3	0	0	0	3	1301.2	1111.3	0	0	0
8	Jordaan ,J (Joubert)	3	1.5	0	0	0	0	3	1.5	0	0	0	0
8	Jordaan ,J (Joubert)	3	1201.1	1201.1	0	0	0	3	1213.1	1201.1	0	0	0
9	Maarman ,B (Blayden)	2	2	425	2	2	425	0	0	0	0	0	0
9	Maarman ,B (Blayden)	2	1032.4	1457.4	2	1012.8	1457.4	0	0	0	0	0	0
10	Huysamen ,A (Albertus)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Huysamen ,A (Albertus)	2	1196.1	771.1	1	1144.4	771.1	1	1184.5	771.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Bester, J (Juandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms