Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bosch, J (James)

Chess SA id

109089557

FIDE id

Date of birth

2009-01-01 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1150.8	1190.4	1124.4	1200
Raw rating	1150.8	1190.4	1124.4	1200
Weighted rating	1150.8	1190.4	1124.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.9	168.1	184.7	165.8
Highest rating	1200 2018-02-01	1200 2018-10-01	1207.2 2018-09-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1207.2 2018-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1150.8	1190.4	1124.4	1200
Analysis
Rating	1150.8	1190.4	1124.4	1200
Raw rating	1150.8	1190.4	1124.4	1200
Weighted rating	1150.8	1190.4	1124.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.9	168.1	184.7	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	1150.8	1190.4	1124.4	1200
New weighted rating	1150.8	1190.4	1124.4	1200
New weighted performance	0	0	0	0
Temp new rating	1150.8	1190.4	1124.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1150.8	1190.4	1124.4	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
	0	0	0
	0	0	0
	0	0	0
History	24	6	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	19	8	42.11	-67.1	1178.1	1111
Standard	6	3	50	0	1160.1	1160.1
Rapid	13	5	38.46	-98.1	1186.4	1088.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1150.8	1190.4	1124.4	1200
2025-09-01	1150.8	1190.4	1124.4	1200
2025-08-01	1150.8	1190.4	1124.4	1200
2025-07-01	1150.8	1190.4	1124.4	1200
2025-06-01	1150.8	1190.4	1124.4	1200
2025-05-01	1150.8	1190.4	1124.4	1200
2025-04-01	1150.8	1190.4	1124.4	1200
2025-03-01	1150.8	1190.4	1124.4	1200
2025-02-01	1150.8	1190.4	1124.4	1200
2025-01-01	1150.8	1190.4	1124.4	1200
2024-12-01	1150.8	1190.4	1124.4	1200
2024-11-01	1150.8	1190.4	1124.4	1200
2024-10-01	1150.8	1190.4	1124.4	1200
2024-09-01	1150.8	1190.4	1124.4	1200
2024-08-01	1150.8	1190.4	1124.4	1200
2024-07-01	1150.8	1190.4	1124.4	1200
2024-06-01	1150.8	1190.4	1124.4	1200
2024-08-01	1150.8	1190.4	1124.4	1200
2024-04-01	1150.8	1190.4	1124.4	1200
2024-03-01	1150.8	1190.4	1124.4	1200
2024-02-01	1150.8	1190.4	1124.4	1200
2024-01-01	1150.8	1190.4	1124.4	1200
2023-12-01	1150.8	1190.4	1124.4	1200
2023-11-01	1150.8	1190.4	1124.4	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	Rhenish Primary Chess Tournament 2019 (U12)	2019-05-11	2019-05-11	Rapid	Cape Winelands (WCW)	7	7	2	Yes	Analysis
2	2019 Metro-East District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Stellenbosch Primary 2018 (U10)	2018-09-15	2018-09-15	Rapid	Cape Winelands (WCW)	7	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Kellerman, F (Franco)				Opponent Ntando, M (Mbekeni)
2	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2019-05-11	rnd 6	type Rapid	result 1
		Opponent Kim, S (Song-Ha)				Opponent Kim, S (Song-Ha)
3	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 2	type Rapid	result 1
		Opponent Hemphill, S (Sarah)				Opponent Hemphill, S (Sarah)

#	Games	Start				End
1	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Kellerman, F (Franco)				Opponent Ntando, M (Mbekeni)
2	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Noach, L (Lauren)				Opponent Noach, L (Lauren)

#	Games	Start				End
1	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2019-05-11	rnd 6	type Rapid	result 1
		Opponent Kim, S (Song-Ha)				Opponent Kim, S (Song-Ha)
2	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 2	type Rapid	result 1
		Opponent Hemphill, S (Sarah)				Opponent Hemphill, S (Sarah)
3	1	Tournament Stellenbosch Primary 2018				Tournament Stellenbosch Primary 2018
		date 2018-09-15	rnd 6	type Rapid	result 1	date 2018-09-15	rnd 6	type Rapid	result 1
		Opponent Swart, L (Lia)				Opponent Swart, L (Lia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Kellerman, F (Franco)				Opponent Ntando, M (Mbekeni)
2	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2019-05-11	rnd 6	type Rapid	result 1
		Opponent Kim, S (Song-Ha)				Opponent Kim, S (Song-Ha)
3	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 2	type Rapid	result 1
		Opponent Hemphill, S (Sarah)				Opponent Hemphill, S (Sarah)

#	Games	Start				End
1	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Kellerman, F (Franco)				Opponent Ntando, M (Mbekeni)
2	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Noach, L (Lauren)				Opponent Noach, L (Lauren)

#	Games	Start				End
1	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2019-05-11	rnd 6	type Rapid	result 1
		Opponent Kim, S (Song-Ha)				Opponent Kim, S (Song-Ha)
2	1	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 2	type Rapid	result 1
		Opponent Hemphill, S (Sarah)				Opponent Hemphill, S (Sarah)
3	1	Tournament Stellenbosch Primary 2018				Tournament Stellenbosch Primary 2018
		date 2018-09-15	rnd 6	type Rapid	result 1	date 2018-09-15	rnd 6	type Rapid	result 1
		Opponent Swart, L (Lia)				Opponent Swart, L (Lia)

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	Potgieter ,W (Werne)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Potgieter ,W (Werne)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Jonkers ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Jonkers ,T (Tristan)	1	1149.2	724.2	1	1179.7	724.2	0	0	0	0	0	0
3	Noach ,L (Lauren)	1	1	425	1	1	425	0	0	0	0	0	0
3	Noach ,L (Lauren)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Gardener ,D (Dominique)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Gardener ,D (Dominique)	1	1011.5	586.5	1	1020.5	586.5	0	0	0	0	0	0
5	Ntando ,M (Mbekeni)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ntando ,M (Mbekeni)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Kellerman ,F (Franco)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kellerman ,F (Franco)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Segakweng ,OT (Odense Timothy)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Segakweng ,OT (Odense Timothy)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Boden ,J (Joshua)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Boden ,J (Joshua)	1	1129.5	704.5	0	0	0	1	1162.4	704.5	0	0	0
9	Heys ,Z (Zachary)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Heys ,Z (Zachary)	1	1207	782	0	0	0	1	1208.4	782	0	0	0
10	Kim ,S (Song-Ha)	1	1	425	0	0	0	1	1	425	0	0	0
10	Kim ,S (Song-Ha)	1	1171.7	1596.7	0	0	0	1	1168	1596.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Bosch, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms