Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jewaskiewitz, J (Jason)

Chess SA id

1110321470

FIDE id

Date of birth

2011-07-18 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

874

Item	Main	Standard	Rapid	Blitz
Rating	1188.8	1186.7	1200	1200
Raw rating	1153.6	1144.8	1200	1200
Weighted rating	1188.8	1186.7	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	177.1	179.4	165.8	165.8
Highest rating	1199.9 2025-05-24	1199.9 2025-05-24	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1199.9 2025-05-24	1199.9 2025-05-24	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1199.9 2025-05-24	1199.9 2025-05-24	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.2	-3.8	0	0
New rating	1185.6	1182.8	1200	1200
Analysis
Rating	1188.8	1186.7	1200	1200
Raw rating	1153.6	1144.8	1200	1200
Weighted rating	1188.8	1186.7	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	177.1	179.4	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	1153.6	1144.8	1200	1200
New weighted rating	1185.6	1182.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1185.6	1182.8	1200	1200
Temp new rating +/-	-3.2	-3.8	0	0
Final new rating +/-	-3.2	-3.8	0	0
New rating	1185.6	1182.8	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	10	1	10	-340	1214.1	874.1
Standard	10	1	10	-340	1214.1	874.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	1	10	-340	1214.1	874.1
Standard	10	1	10	-340	1214.1	874.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1153.6	1144.8	1200	1200
2025-09-30	1153.6	1144.8	1200	1200
2025-09-01	1153.6	1144.8	1200	1200
2025-08-01	1199.4	1199.2	1200	1200
2025-07-01	1199	1198.8	1200	1200
2025-06-01	1193.5	1192.2	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	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	GDE (D7) Sedibeng East Schools 2025 (U15)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
2	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U15 Boys)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U15)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
2	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U15 Boys)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Maga, T (Thando)				Opponent Maga, T (Thando)

#	Games	Start				End
1	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Maga, T (Thando)				Opponent Maga, T (Thando)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Maga, T (Thando)				Opponent Maga, T (Thando)

#	Games	Start				End
1	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Maga, T (Thando)				Opponent Maga, T (Thando)

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	Otto ,T (Tersius Hendrik)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Otto ,T (Tersius Hendrik)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Kroukamp ,A (Andrew Peter)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kroukamp ,A (Andrew Peter)	1	1192.7	767.7	1	1190.9	767.7	0	0	0	0	0	0
3	Kambule ,E (Elnaam)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kambule ,E (Elnaam)	1	1214	789	1	1221.6	789	0	0	0	0	0	0
4	Moletsane ,M (Mosawahae)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Moletsane ,M (Mosawahae)	1	1281.3	856.3	1	1298	856.3	0	0	0	0	0	0
5	Phethane ,B (Boile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Phethane ,B (Boile)	1	1261	836	1	1260.9	836	0	0	0	0	0	0
6	Rampai ,B (Bhekumuzi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Rampai ,B (Bhekumuzi)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Kgomojoo ,A (Atlehang Setshego)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kgomojoo ,A (Atlehang Setshego)	1	1191.5	766.5	1	1197.6	766.5	0	0	0	0	0	0
8	Maga ,T (Thando)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maga ,T (Thando)	1	1199.7	1624.7	1	1199.7	1624.7	0	0	0	0	0	0
9	Mbelle ,S (Siphosethu Neo-Entle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mbelle ,S (Siphosethu Neo-Entle)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Minnaar ,J (Jonathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Minnaar ,J (Jonathan)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Jewaskiewitz, J (Jason)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms