Chess South Africa Ratings Database

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Personal

Bosman, P (Petri)

Chess SA id

1070131421

FIDE id

Date of birth

2007-02-06 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1152.4	1151.2	1156.4	1200
Raw rating	1152.4	1151.2	1156.4	1200
Weighted rating	1152.4	1151.2	1156.2	1200
Weighted performance	752.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.5	177.8	176.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1152.4	1151.2	1156.4	1200
Analysis
Rating	1152.4	1151.2	1156.4	1200
Raw rating	1152.4	1151.2	1156.4	1200
Weighted rating	1152.4	1151.2	1156.2
Weighted performance	752.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.5	177.8	176.4	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	1152.4	1151.2	1156.4	1200
New weighted rating	1152.4	1151.2	1156.3	1200
New weighted performance	751.8	0	0	0
Temp new rating	1152.4	1151.2	1156.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1152.4	1151.2	1156.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	5	5
	15	10	5
	0	0	0
History	30	20	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	13	43.33	-56.7	1169.3	1112.7
Standard	20	9	45	-42.5	1152	1109.5
Rapid	10	4	40	-85	1204.1	1119.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1152.4	1151.2	1156.4	1200
2025-09-01	1152.4	1151.2	1156.4	1200
2025-08-01	1152.4	1151.2	1156.4	1200
2025-07-01	1152.4	1151.2	1156.4	1200
2025-06-01	1152.4	1151.2	1156.4	1200
2025-05-01	1152.4	1151.2	1156.4	1200
2025-04-01	1152.4	1151.2	1156.4	1200
2025-03-01	1152.4	1151.2	1156.4	1200
2025-02-01	1152.4	1151.2	1156.4	1200
2025-01-01	1152.4	1151.2	1156	1200
2024-12-01	1152.4	1151.2	1156	1200
2024-11-01	1152.4	1151.2	1156	1200
2024-10-01	1152.4	1151.2	1156	1200
2024-09-01	1152.4	1151.2	1156	1200
2024-08-01	1152.4	1151.2	1156	1200
2024-07-01	1152.4	1151.2	1156	1200
2024-06-01	1152.4	1151.2	1156	1200
2024-08-01	1152.4	1151.2	1156	1200
2024-04-01	1152.4	1151.2	1156	1200
2024-03-01	1152.4	1151.2	1156	1200
2024-02-01	1152.4	1151.2	1156	1200
2024-01-01	1152.4	1151.2	1156	1200
2023-12-01	1152.4	1151.2	1156	1200
2023-11-01	1152.4	1151.2	1156	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North School Teams 2023 (U17)	2023-08-05	2023-08-05	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Benoni Cluster High School League 2023 (U19 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	Ekurhuleni-North Schools Teams 2022 (U15)	2022-08-13	2022-08-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Benoni Cluster HS Individuals 2022 (U15 Boys)	2022-05-07	2022-05-07	Rapid	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	Ekurhuleni Chess Open 2022 (C)	2022-01-08	2022-01-08	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
6	Alberton Chess Club Open 2020 (D)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Benoni Cluster High School League 2023				Tournament Ekurhuleni North School Teams 2023
		date 2023-05-06	rnd 4	type Rapid	result 0.5	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Chuang, B (Bob)				Opponent Bigmore, M (Michael)
2	4	Tournament Benoni Cluster HS Individuals 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-05-07	rnd 3	type Rapid	result 0.5	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent De Lange, Z (Zander)				Opponent Mpendu, S (Sakhile)
3	3	Tournament Alberton Chess Club Open 2020				Tournament Ekurhuleni Chess Open 2022
		date 2020-02-22	rnd 4	type Standard	result 1	date 2022-01-08	rnd 1	type Standard	result 1
		Opponent Bilankulu, L (Lindokuhle)				Opponent Claven, R (Ryan Daniel)

#	Games	Start				End
1	3	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni North School Teams 2023
		date 2022-08-13	rnd 5	type Standard	result 1	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Fourie, S (Shaun)				Opponent Bigmore, M (Michael)
2	3	Tournament Alberton Chess Club Open 2020				Tournament Ekurhuleni Chess Open 2022
		date 2020-02-22	rnd 4	type Standard	result 1	date 2022-01-08	rnd 1	type Standard	result 1
		Opponent Bilankulu, L (Lindokuhle)				Opponent Claven, R (Ryan Daniel)
3	1	Tournament Ekurhuleni North School Teams 2023				Tournament Ekurhuleni North School Teams 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Sithole, B (Bafana)				Opponent Sithole, B (Bafana)

#	Games	Start				End
1	3	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster HS Individuals 2022
		date 2022-05-07	rnd 3	type Rapid	result 0.5	date 2022-05-07	rnd 5	type Rapid	result 1
		Opponent De Lange, Z (Zander)				Opponent Puntis, C (Connor)
2	2	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 4	type Rapid	result 0.5	date 2023-05-06	rnd 5	type Rapid	result 1
		Opponent Chuang, B (Bob)				Opponent Reynolds, B (Bradley Paul)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Benoni Cluster High School League 2023				Tournament Ekurhuleni North School Teams 2023
		date 2023-05-06	rnd 5	type Rapid	result 1	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Reynolds, B (Bradley Paul)				Opponent Bigmore, M (Michael)
2	3	Tournament Benoni Cluster HS Individuals 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-05-07	rnd 4	type Rapid	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Anthony, R (Riley)				Opponent Mpendu, S (Sakhile)
3	3	Tournament Alberton Chess Club Open 2020				Tournament Ekurhuleni Chess Open 2022
		date 2020-02-22	rnd 4	type Standard	result 1	date 2022-01-08	rnd 1	type Standard	result 1
		Opponent Bilankulu, L (Lindokuhle)				Opponent Claven, R (Ryan Daniel)

#	Games	Start				End
1	3	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni North School Teams 2023
		date 2022-08-13	rnd 5	type Standard	result 1	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Fourie, S (Shaun)				Opponent Bigmore, M (Michael)
2	3	Tournament Alberton Chess Club Open 2020				Tournament Ekurhuleni Chess Open 2022
		date 2020-02-22	rnd 4	type Standard	result 1	date 2022-01-08	rnd 1	type Standard	result 1
		Opponent Bilankulu, L (Lindokuhle)				Opponent Claven, R (Ryan Daniel)
3	1	Tournament Ekurhuleni North School Teams 2023				Tournament Ekurhuleni North School Teams 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Sithole, B (Bafana)				Opponent Sithole, B (Bafana)

#	Games	Start				End
1	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster HS Individuals 2022
		date 2022-05-07	rnd 4	type Rapid	result 1	date 2022-05-07	rnd 5	type Rapid	result 1
		Opponent Anthony, R (Riley)				Opponent Puntis, C (Connor)
2	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 5	type Rapid	result 1	date 2023-05-06	rnd 5	type Rapid	result 1
		Opponent Reynolds, B (Bradley Paul)				Opponent Reynolds, B (Bradley Paul)

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	Meyer ,J (Jolene)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Meyer ,J (Jolene)	1	1255.9	830.9	1	1251.4	830.9	0	0	0	0	0	0
2	Grootboom ,P (Patrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Grootboom ,P (Patrick)	1	1096.4	671.4	1	1081.6	671.4	0	0	0	0	0	0
3	Mpendu ,S (Sakhile)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mpendu ,S (Sakhile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Rangwanasha ,E (Emanuel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Rangwanasha ,E (Emanuel)	1	1013	1438	1	985.5	1438	0	0	0	0	0	0
5	Sithole ,B (Bafana)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sithole ,B (Bafana)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Kabisoso ,A (Abel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kabisoso ,A (Abel)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Fourie ,S (Shaun)	1	1	425	1	1	425	0	0	0	0	0	0
7	Fourie ,S (Shaun)	1	1185.8	1610.8	1	1178.8	1610.8	0	0	0	0	0	0
8	De Lange ,C (Cheleike)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Lange ,C (Cheleike)	1	1064.5	639.5	1	1064	639.5	0	0	0	0	0	0
9	Sithole ,V (Vuli)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Sithole ,V (Vuli)	1	1136	711	1	1147.2	711	0	0	0	0	0	0
10	Khoza ,J (Joseph)	1	1	425	1	1	425	0	0	0	0	0	0
10	Khoza ,J (Joseph)	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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PLAYER PAGE

Personal

Bosman, P (Petri)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms