Chess South Africa Ratings Database

PLAYER PAGE

Personal

Boois, J (Jp)

Chess SA id

1110192545

FIDE id

Date of birth

2011-05-21 (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	1154.9	1199.3	1142	1200
Raw rating	1154.9	1199.3	1142	1200
Weighted rating	1154.4	1199.3	1135.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.8	166	180.1	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1154.9	1199.3	1142	1200
Analysis
Rating	1154.9	1199.3	1142	1200
Raw rating	1154.9	1199.3	1142	1200
Weighted rating	1154.4	1199.3	1135.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	176.8	166	180.1	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	1154.9	1199.3	1142	1200
New weighted rating	1154.1	1199.3	1135.4	1200
New weighted performance	0	0	0	0
Temp new rating	1154.9	1199.3	1142	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1154.9	1199.3	1142	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	13	5	8
	5	0	5
	0	0	0
	0	0	0
	0	0	0
History	18	5	13

Games since
	Main 18	Standard 5		Rapid 13		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	13	3.5	26.92	-196.2	1226.8	1030.7
Standard	5	0	0	-425	1267.2	842.2
Rapid	8	3.5	43.75	-53.1	1201.6	1148.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	3.5	19.44	-259.7	1228.2	968.5
Standard	5	0	0	-425	1267.2	842.2
Rapid	13	3.5	26.92	-196.2	1213.2	1017
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1154.9	1199.3	1142	1200
2025-09-01	1154.9	1199.3	1142	1200
2025-08-01	1154.9	1199.3	1142	1200
2025-07-01	1157.7	1199.3	1150	1200
2025-06-01	1157.7	1199.3	1150	1200
2025-05-01	1157.7	1198.9	1150	1200
2025-04-01	1155.3	1193.2	1150	1200
2025-03-01	1166	1200	1150	1200
2025-02-01	1159.7	1200	1135.2	1200
2025-01-01	1145.5	1200	1112.4	1200
2024-12-01	1145.5	1200	1112.4	1200
2024-11-01	1145.5	1200	1112.4	1200
2024-10-01	1145.5	1200	1112.4	1200
2024-09-01	1145.5	1200	1112.4	1200
2024-08-01	1145.5	1200	1112.4	1200
2024-07-01	1145.5	1200	1112.4	1200
2024-06-01	1145.5	1200	1112.4	1200
2024-08-01	1145.5	1200	1112.4	1200
2024-04-01	1145.5	1200	1112.4	1200
2024-03-01	1145.5	1200	1112.4	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	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	3	1	Yes	Analysis
2	West Coast Schools Chess Prestige 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
3	Upper West Coast Presrige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2.5	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 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	3	1	Yes	Analysis
2	West Coast Schools Chess Prestige 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
3	Upper West Coast Presrige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
4	Bo-Weskus Skole Prestige 2024 (O13 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Sheekh, M (Mahir)				Opponent Owies, A (Ashwin)
2	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Cloete, A (Akeezia)				Opponent Cloete, A (Akeezia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Sheekh, M (Mahir)				Opponent Owies, A (Ashwin)
2	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Cloete, A (Akeezia)				Opponent Cloete, A (Akeezia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Cloete, A (Akeezia)				Opponent Cloete, A (Akeezia)
2	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Owies, A (Ashwin)				Opponent Owies, A (Ashwin)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Sheekh, M (Mahir)				Opponent Sheekh, M (Mahir)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Cloete, A (Akeezia)				Opponent Cloete, A (Akeezia)
2	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Owies, A (Ashwin)				Opponent Owies, A (Ashwin)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Sheekh, M (Mahir)				Opponent Sheekh, M (Mahir)

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	Le Fleur ,C (Chiano)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Le Fleur ,C (Chiano)	2	1294.7	869.7	0	0	0	2	1318.8	869.7	0	0	0
2	Brand ,E (Evan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Brand ,E (Evan)	1	1234.1	809.1	1	1204.7	809.1	0	0	0	0	0	0
3	November ,J (Jovanni)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	November ,J (Jovanni)	1	1281	856	1	1204	856	0	0	0	0	0	0
4	Zogo ,C (Credo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Zogo ,C (Credo)	1	1373.4	948.4	1	1283.3	948.4	0	0	0	0	0	0
5	Te Water ,Q (Quinico)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Te Water ,Q (Quinico)	1	1236.2	811.2	1	1186.1	811.2	0	0	0	0	0	0
6	Linnerd ,J (Juan Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Linnerd ,J (Juan Lee)	1	1211.1	786.1	1	1200	786.1	0	0	0	0	0	0
7	Matthys ,E (Ezekiel)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Matthys ,E (Ezekiel)	1	1233.2	808.2	0	0	0	1	1313.2	808.2	0	0	0
8	Hollenbach ,S (Stiaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Hollenbach ,S (Stiaan)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Cloete ,S (Stan-Lee)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Cloete ,S (Stan-Lee)	1	1157.6	732.6	0	0	0	1	1138.4	732.6	0	0	0
10	Maarman ,S (Seandre)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Maarman ,S (Seandre)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Boois, J (Jp)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms