Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bosch, O (Ockert)

Chess SA id

1100100432

FIDE id

Date of birth

2010-01-01 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1165.1	1157.2	1200	1200
Raw rating	1165.1	1157.2	1200	1200
Weighted rating	1163.6	1155.4	1200	1200
Weighted performance	908.2	900.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.3	176.2	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1165.1	1157.2	1200	1200
Analysis
Rating	1165.1	1157.2	1200	1200
Raw rating	1165.1	1157.2	1200	1200
Weighted rating	1163.6	1155.4	1200
Weighted performance	908.2	900.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	174.3	176.2	165.8	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	1165.1	1157.2	1200	1200
New weighted rating	1164.1	1156	1200	1200
New weighted performance	901.4	894	0	0
Temp new rating	1165.1	1157.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1165.1	1157.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	9	9
	15	15
	0	0
	0	0
History	30	30

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	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	14	46.67	-28.3	1154.6	1126.2
Standard	30	14	46.67	-28.3	1154.6	1126.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1165.1	1157.2	1200	1200
2025-09-30	1165.1	1157.2	1200	1200
2025-09-01	1165.1	1157.2	1200	1200
2025-08-01	1165.1	1157.2	1200	1200
2025-07-01	1165.1	1157.2	1200	1200
2025-06-01	1165.1	1157.2	1200	1200
2025-05-01	1165.1	1157.2	1200	1200
2025-04-01	1165.1	1157.2	1200	1200
2025-03-01	1165.1	1157.2	1200	1200
2025-02-01	1165.1	1157.2	1200	1200
2025-01-01	1165.1	1157.2	1200	1200
2024-12-01	1165.1	1157.2	1200	1200
2024-11-01	1165.1	1157.2	1200	1200
2024-10-01	1165.1	1157.2	1200	1200
2024-09-01	1165.1	1157.2	1200	1200
2024-08-01	1165.1	1157.2	1200	1200
2024-07-01	1165.1	1157.2	1200	1200
2024-09-01	1165.1	1157.2	1200	1200
2024-05-01	1154.5	1144.8	1200	1200
2024-04-01	1139.2	1126.4	1200	1200
2024-03-01	1139.2	1126.4	1200	1200
2024-02-01	1139.2	1126.4	1200	1200
2024-01-01	1139.2	1126.4	1200	1200
2023-12-01	1139.2	1126.4	1200	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	Schoemies' Kwaggarus Chess Getaway 2024 (Junior)	2024-05-18	2024-05-18	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
2	Bojanala Olienpark's One For The Ages 2024 (Rooks)	2024-04-20	2024-04-20	Standard	Bojanala Platina (NBR)	5	4	2	Yes	Analysis
3	Bojanala's Battle Of Mount Cambridge 2023 (Knights)	2023-09-16	2023-09-16	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
4	Olienpark - 2nd One for the Ages 2023 (U14)	2023-05-13	2023-05-13	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
5	Schoemies Kings & Queens 2023 (Development)	2023-03-18	2023-03-18	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
6	Laerskool Olienpark 2018 (U10)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
7	Laerskool Olienpark 2018 (U8)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	1	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Kunene, B (Baandile)				Opponent Van Der Merwe, L (Luwan Louis)
2	4	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 4	type Standard	result 1
		Opponent Ferreira, B (Bennit)				Opponent Behrens, O (Otto-Karl)
3	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Van Der Berg, KW (Kai)				Opponent Baker, S (Shanel)

#	Games	Start				End
1	4	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Kunene, B (Baandile)				Opponent Van Der Merwe, L (Luwan Louis)
2	4	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 4	type Standard	result 1
		Opponent Ferreira, B (Bennit)				Opponent Behrens, O (Otto-Karl)
3	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Van Der Berg, KW (Kai)				Opponent Baker, S (Shanel)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Kunene, B (Baandile)				Opponent Van Der Merwe, L (Luwan Louis)
2	4	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 4	type Standard	result 1
		Opponent Ferreira, B (Bennit)				Opponent Behrens, O (Otto-Karl)
3	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Van Der Berg, KW (Kai)				Opponent Baker, S (Shanel)

#	Games	Start				End
1	4	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Kunene, B (Baandile)				Opponent Van Der Merwe, L (Luwan Louis)
2	4	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 4	type Standard	result 1
		Opponent Ferreira, B (Bennit)				Opponent Behrens, O (Otto-Karl)
3	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Van Der Berg, KW (Kai)				Opponent Baker, S (Shanel)

No games found.

#	Games	Start				End

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	Du Plessis ,A (Alois)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Du Plessis ,A (Alois)	1	1130.1	705.1	1	1112.8	705.1	0	0	0	0	0	0
2	Du Preez ,SB (Stefanus Benjam)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Preez ,SB (Stefanus Benjam)	1	1099.1	674.1	1	1078	674.1	0	0	0	0	0	0
3	Botes ,M (Mine)	1	1	425	1	1	425	0	0	0	0	0	0
3	Botes ,M (Mine)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Kunene ,B (Baandile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kunene ,B (Baandile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Steenkamp ,A (Anton)	1	1	425	1	1	425	0	0	0	0	0	0
5	Steenkamp ,A (Anton)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Enslin ,J (Jason)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Enslin ,J (Jason)	1	1211.6	786.6	1	1213.2	786.6	0	0	0	0	0	0
7	Mostert ,PJ (Pieter)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mostert ,PJ (Pieter)	1	1318.7	893.7	1	1314.3	893.7	0	0	0	0	0	0
8	Terblanche ,B (Bernard)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Terblanche ,B (Bernard)	1	1234.6	809.6	1	1222	809.6	0	0	0	0	0	0
9	Herholdt ,R (Rian)	1	1	425	1	1	425	0	0	0	0	0	0
9	Herholdt ,R (Rian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Van Schalkwyk ,J (Jurgens)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Schalkwyk ,J (Jurgens)	1	1303.5	878.5	1	1281.1	878.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bosch, O (Ockert)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms