Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, J (Jenilo)

Chess SA id

105093493

FIDE id

Booysen

Date of birth

2005-07-26 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1514.1	1420.8	1531.7	1200
Raw rating	1514.1	1420.8	1531.7	1200
Weighted rating	1505.9	1395.9	1519.3	1200
Weighted performance	1429.4	1230.4	1404.1	0
Floor	1023.7	923.3	1038.4	700
K-factor	32	32	32	36
Min/Max rating change allowed	106	121.1	103.4	165.8
Highest rating	1523.7 2025-07-01	1423.3 2025-06-01	1555.3 2024-10-01	1200 2018-10-01
Highest raw rating	1523.7 2025-07-01	1423.3 2025-06-01	1538.4 2024-11-01	1200 2024-02-01
Highest weighted rating	1505.9 2025-09-30	1423.3 2021-05-01	1513.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1469 2024-10-01	1301.9 2019-05-01	1555.3 2024-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1514.1	1420.8	1531.7	1200
Analysis
Rating	1514.1	1420.8	1531.7	1200
Raw rating	1514.1	1420.8	1531.7	1200
Weighted rating	1505.9	1395.9	1519.3
Weighted performance	1429.4	1230.4	1404.1
K-factor	32	32	32	36
Floor	1023.7	923.3	1038.4	700
Max/Min rating change allowed	106	121.1	103.4	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	1514.1	1420.8	1531.7	1200
New weighted rating	1507.5	1398.7	1521.9	1200
New weighted performance	1428.9	1229.9	1403.6	0
Temp new rating	1514.1	1420.8	1531.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1514.1	1420.8	1531.7	1200
New K-factor	32	32	32	36
New floor	1023.7	923.3	1038.4	700

Item	Main	Standard	Rapid
	0	0	0
	15	11	4
	25	5	20
	11	0	11
	5	5	0
	11	0	11
History	137	81	56

Games since
	Main 40	Standard 16		Rapid 24		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1157		343		22
Male	1003		291		19
Adult	383		109		7
Adult Male	358		97		5
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	165		78		18
Male	158		74		15
Adult	84		28		2
Adult Male	82		28		2
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	15	10.5	70	170	1363.4	1533.4
Standard	11	7.5	68.18	154.5	1365.2	1519.7
Rapid	4	3	75	212.5	1358.5	1571
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	132	98	74.24	206.1	1226.8	1432.9
Standard	76	50.5	66.45	139.8	1209.5	1349.3
Rapid	56	47.5	84.82	296	1250.3	1546.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1514.1	1420.8	1531.7	1200
2025-09-01	1523.7	1423.3	1531.7	1200
2025-08-01	1523.7	1423.3	1531.7	1200
2025-07-01	1523.7	1423.3	1531.7	1200
2025-06-01	1520.5	1423.3	1538.4	1200
2025-05-01	1508.9	1387.8	1538.4	1200
2025-04-01	1508.9	1387.8	1538.4	1200
2025-03-01	1508.9	1387.8	1538.4	1200
2025-02-01	1508.9	1387.8	1538.4	1200
2025-01-01	1508.9	1387.8	1538.4	1200
2024-12-01	1508.9	1387.8	1538.4	1200
2024-11-01	1512.9	1372.3	1538.4	1200
2024-10-01	1505.1	1372.3	1520.7	1200
2024-09-01	1496.7	1372.3	1505.3	1200
2024-08-01	1496.7	1372.3	1505.3	1200
2024-07-01	1464.8	1372.3	1444.5	1200
2024-06-01	1464.8	1372.3	1444.5	1200
2024-08-01	1464.8	1372.3	1444.5	1200
2024-04-01	1464.8	1372.3	1444.5	1200
2024-03-01	1464.8	1372.3	1444.5	1200
2024-02-01	1464.8	1372.3	1444.5	1200
2024-01-01	1464.8	1372.3	1444.5	1200
2023-12-01	1464.8	1372.3	1444.5	1200
2023-11-01	1464.8	1372.3	1444.5	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	Rooibos Open 2025 (Elite)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
2	Shakirah Ruiters Youth Tournament 2025 (Elite)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
3	West Coast And Mykonos Open 2025 (Advanced)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rooibos Open 2025 (Elite)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
2	Shakirah Ruiters Youth Tournament 2025 (Elite)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
3	West Coast And Mykonos Open 2025 (Advanced)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
4	PR Booyse Standard Tournament 2024 (Elite)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
5	West Coast College Open 2024 (A)	2024-10-05	2024-10-05	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
6	The Rooibos Open 2024 (Elite)	2024-08-24	2024-08-24	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
7	Vredendal North CC Open 2024 (Elite)	2024-07-27	2024-07-27	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
8	Pedro Booyse Annual Rapid 2024 (Open)	2024-07-06	2024-07-06	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
9	Youth Day 2 2023 (Elite)	2023-06-24	2023-06-24	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
10	PRBCC Closed 2023 (A)	2023-04-15	2023-04-15	Rapid	West Coast (WCU)	6	6	6	Yes	Analysis
11	Western Cape Inter Region Cup 2021 (Open)	2022-03-04	2022-03-06	Standard	West Coast (WCU)	5	5	3.5	Yes	Analysis
12	West Coast Schools Prestige 2022 (U18 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	0	0	No	Analysis
13	Bo-Weskus Skole Skaak Prestige 2021 (O18+O20 Seuns)	2021-05-08	2021-05-08	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
14	Olifantsrivier CC 2021 (Invitational)	2021-03-27	2021-03-27	Rapid	West Coast (WCU)	7	7	6.5	Yes	Analysis
15	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	4	Yes	Analysis
16	West Coast Open 2019 (B)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
17	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O15 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	6	Yes	Analysis
18	Moja Chess Club FIDE Open 2019 (B)	2019-03-21	2019-03-24	Standard	Frances Baard (NCF)	7	7	2	Yes	Analysis
19	St Helenabaai Open 2019 (U14)	2019-02-09	2019-02-09	Standard	West Coast (WCU)	5	0	0	No	Analysis
20	Bo-Weskus Skole Skaak Prestige 2019 (O15 Seuns)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	6.5	Yes	Analysis
21	2018 Wild Card Chess Championships (U14 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
22	South African Junior Team Championships 2018 (U14E)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
23	Western Cape Kings & Queens 2018 (Boys)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	3	2	Yes	Analysis
24	Western Cape Top Schools 2018 (U15 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
25	Western Cape Schools Individuals 2018 (U13 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
26	West Coast Schools Prestige Individual Championship 2018 (U13 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis

#	Games	Start				End
1	13	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Inter Region Cup 2021
		date 2019-05-05	rnd 6	type Standard	result 1	date 2022-03-04	rnd 1	type Standard	result 1
		Opponent Meyer, J (Jordan)				Opponent Titus, S (Sonay)
2	12	Tournament 2018 Wild Card Chess Championships				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2018-12-23	rnd 6	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Becker, M (Matthew)				Opponent Jacobs, G (Gamiel)
3	9	Tournament Western Cape Inter Region Cup 2021				Tournament PRBCC Closed 2023
		date 2022-03-05	rnd 3	type Standard	result 1	date 2023-04-15	rnd 6	type Rapid	result 1
		Opponent Wildschut, B (Bradley)				Opponent Bouwer, D (Dawid)

#	Games	Start				End
1	7	Tournament PR Booyse Standard Tournament 2024				Tournament West Coast And Mykonos Open 2025
		date 2024-11-02	rnd 3	type Standard	result 0.5	date 2025-05-03	rnd 4	type Standard	result 0.5
		Opponent Jacobs, DE (Darryl)				Opponent Nero, J (Juan)
2	6	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament West Coast Open 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Mopp, M (Martino)				Opponent Klaaste, C (Chadley)
3	5	Tournament 2018 Wild Card Chess Championships				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2018-12-23	rnd 6	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Becker, M (Matthew)				Opponent Jacobs, G (Gamiel)

#	Games	Start				End
1	24	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament PRBCC Closed 2023
		date 2019-02-16	rnd 1	type Rapid	result 0.5	date 2023-04-15	rnd 6	type Rapid	result 1
		Opponent Kotze, K (Kurt)				Opponent Bouwer, D (Dawid)
2	8	Tournament Youth Day 2 2023				Tournament Pedro Booyse Annual Rapid 2024
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2024-07-06	rnd 4	type Rapid	result 1
		Opponent Sampson, R (Renaldo)				Opponent Tieties, B (Beauton)
3	6	Tournament Vredendal North CC Open 2024				Tournament The Rooibos Open 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-08-24	rnd 4	type Rapid	result 1
		Opponent Bell, N (Neyo)				Opponent Syster, E (Eden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-16	rnd 2	type Rapid	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Malgas, G (Gershwin)				Opponent Jacobs, G (Gamiel)
2	8	Tournament Youth Day 2 2023				Tournament Pedro Booyse Annual Rapid 2024
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2024-07-06	rnd 4	type Rapid	result 1
		Opponent Sampson, R (Renaldo)				Opponent Tieties, B (Beauton)
3	8	Tournament Olifantsrivier CC 2021				Tournament Western Cape Inter Region Cup 2021
		date 2021-03-27	rnd 5	type Rapid	result 1	date 2022-03-04	rnd 1	type Standard	result 1
		Opponent Spamer, JH (Jan-Hendre)				Opponent Titus, S (Sonay)

#	Games	Start				End
1	6	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament West Coast Open 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Mopp, M (Martino)				Opponent Klaaste, C (Chadley)
2	5	Tournament PR Booyse Standard Tournament 2024				Tournament West Coast And Mykonos Open 2025
		date 2024-11-02	rnd 4	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Lombaard, J (Jadrin)				Opponent Schoeman, M (Mischke)
3	5	Tournament 2018 Wild Card Chess Championships				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2018-12-23	rnd 6	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Becker, M (Matthew)				Opponent Jacobs, G (Gamiel)

#	Games	Start				End
1	13	Tournament Olifantsrivier CC 2021				Tournament PRBCC Closed 2023
		date 2021-03-27	rnd 5	type Rapid	result 1	date 2023-04-15	rnd 6	type Rapid	result 1
		Opponent Spamer, JH (Jan-Hendre)				Opponent Bouwer, D (Dawid)
2	9	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Olifantsrivier CC 2021
		date 2019-02-16	rnd 2	type Rapid	result 1	date 2021-03-27	rnd 3	type Rapid	result 1
		Opponent Malgas, G (Gershwin)				Opponent Wildschut, B (Bradley)
3	8	Tournament Youth Day 2 2023				Tournament Pedro Booyse Annual Rapid 2024
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2024-07-06	rnd 4	type Rapid	result 1
		Opponent Sampson, R (Renaldo)				Opponent Tieties, B (Beauton)

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	Hausiku ,M (Marco)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
1	Hausiku ,M (Marco)	3	1293.1	1151.5	2	1215.3	1293.1	1	1371.6	868.1	0	0	0
2	Arries ,G (Gerswin)	3	3	425	1	1	425	2	2	425	0	0	0
2	Arries ,G (Gerswin)	3	1111.6	1536.6	1	1101.2	1536.6	2	1202	1536.6	0	0	0
3	September ,C (Carltin)	3	2	141.7	1	1	425	2	1	0	0	0	0
3	September ,C (Carltin)	3	1163.3	1305	1	1025.2	1588.3	2	1259.6	1163.3	0	0	0
4	Kotzee ,W (Wesley)	3	3	425	0	0	0	3	3	425	0	0	0
4	Kotzee ,W (Wesley)	3	1332.5	1757.5	0	0	0	3	1320.9	1757.5	0	0	0
5	Minnaar ,E (Ethan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Minnaar ,E (Ethan)	2	1382.9	1595.4	2	1313.4	1595.4	0	0	0	0	0	0
6	Schroeder ,C (Carl)	2	2	425	2	2	425	0	0	0	0	0	0
6	Schroeder ,C (Carl)	2	1191.1	1616.1	2	1197	1616.1	0	0	0	0	0	0
7	Kleinhans ,T (Theo)	2	1	0	2	1	0	0	0	0	0	0	0
7	Kleinhans ,T (Theo)	2	1201.1	1201.1	2	1197.2	1201.1	0	0	0	0	0	0
8	Titus ,S (Sonay)	2	2	425	1	1	425	1	1	425	0	0	0
8	Titus ,S (Sonay)	2	1214	1639	1	1200	1639	1	1206	1639	0	0	0
9	Correia ,S (Stephan)	2	2	425	1	1	425	1	1	425	0	0	0
9	Correia ,S (Stephan)	2	1236.2	1661.2	1	1109.1	1661.2	1	1155.4	1661.2	0	0	0
10	Wildschut ,B (Bradley)	2	2	425	1	1	425	1	1	425	0	0	0
10	Wildschut ,B (Bradley)	2	1139.7	1564.7	1	1099.6	1564.7	1	1150.4	1564.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Booysen, J (Jenilo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms