Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kruger, J (Jason)

Chess SA id

1110119616

FIDE id

Date of birth

2011-05-11 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1230.6	1231.2	1200	1200
Raw rating	1230.6	1231.2	1200	1200
Weighted rating	1222.3	1220.6	1200	1200
Weighted performance	726.2	724.7	0	0
Floor	730.6	731.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.7	158.6	165.8	165.8
Highest rating	1255.9 2020-01-01	1245.4 2020-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1230.6 2025-04-01	1231.2 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1230.6 2024-02-01	1231.2 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1255.9 2020-01-01	1245.4 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1230.6	1231.2	1200	1200
Analysis
Rating	1230.6	1231.2	1200	1200
Raw rating	1230.6	1231.2	1200	1200
Weighted rating	1222.3	1220.6	1200
Weighted performance	726.2	724.7	0
K-factor	36	36	36	36
Floor	730.6	731.2	700	700
Max/Min rating change allowed	158.7	158.6	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	1230.6	1231.2	1200	1200
New weighted rating	1223.2	1221.7	1200	1200
New weighted performance	718.6	717.1	0	0
Temp new rating	1230.6	1231.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1230.6	1231.2	1200	1200
New K-factor	36	36	36	36
New floor	730.6	731.2	700	700

Item	Main	Standard
	0	0
	5	5
	4	4
	0	0
	0	0
	0	0
History	29	29

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
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	5	3	60	85	1242.8	1327.8
Standard	5	3	60	85	1242.8	1327.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	15.5	53.45	29.3	1169.9	1199.2
Standard	29	15.5	53.45	29.3	1169.9	1199.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1230.6	1231.2	1200	1200
2025-11-30	1230.6	1231.2	1200	1200
2025-11-01	1230.6	1231.2	1200	1200
2025-09-30	1230.6	1231.2	1200	1200
2025-09-01	1230.6	1231.2	1200	1200
2025-08-01	1230.6	1231.2	1200	1200
2025-07-01	1230.6	1231.2	1200	1200
2025-06-01	1230.6	1231.2	1200	1200
2025-05-01	1230.6	1231.2	1200	1200
2025-04-01	1230.6	1231.2	1200	1200
2025-03-01	1211.5	1206.3	1200	1200
2025-02-01	1209	1203.3	1200	1200
2025-01-01	1171.5	1157.6	1200	1200
2024-12-01	1171.5	1157.6	1200	1200
2024-11-01	1220.2	1217	1200	1200
2024-10-01	1220.2	1217	1200	1200
2024-09-01	1220.2	1217	1200	1200
2024-11-01	1220.2	1217	1200	1200
2024-07-01	1220.2	1217	1200	1200
2024-06-01	1220.2	1217	1200	1200
2024-05-01	1220.2	1217	1200	1200
2024-04-01	1220.2	1217	1200	1200
2024-03-01	1220.2	1217	1200	1200
2024-02-01	1220.2	1217	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	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Lardies Ope 2024 (B)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
3	2020 Waterkloof Open (E)	2020-02-29	2020-02-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2020 Constantiapark Open Chess Tournament (E)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2020 Registration Tournament (E)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	2019 Lardies Open (E)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2020 Registration Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-08	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Venter, J (Juan)
2	3	Tournament 2019 Lardies Open				Tournament 2020 Registration Tournament
		date 2019-10-26	rnd 4	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 0.5
		Opponent Grobler, A (Adane)				Opponent Erasmus, KA (Kean Andre)
3	2	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Stoltz, C (Cornel)				Opponent Venter, C (Chermone)

#	Games	Start				End
1	4	Tournament 2020 Registration Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-08	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Venter, J (Juan)
2	3	Tournament 2019 Lardies Open				Tournament 2020 Registration Tournament
		date 2019-10-26	rnd 4	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 0.5
		Opponent Grobler, A (Adane)				Opponent Erasmus, KA (Kean Andre)
3	2	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Stoltz, C (Cornel)				Opponent Venter, C (Chermone)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2020 Registration Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-08	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Venter, J (Juan)
2	2	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Stoltz, C (Cornel)				Opponent Venter, C (Chermone)
3	2	Tournament 2020 Waterkloof Open				Tournament 2020 Waterkloof Open
		date 2020-02-29	rnd 3	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Janse Van Rensburg, LA (Leander)				Opponent Snyman, W (Wehann)

#	Games	Start				End
1	4	Tournament 2020 Registration Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-08	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Venter, J (Juan)
2	2	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Stoltz, C (Cornel)				Opponent Venter, C (Chermone)
3	2	Tournament 2020 Waterkloof Open				Tournament 2020 Waterkloof Open
		date 2020-02-29	rnd 3	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Janse Van Rensburg, LA (Leander)				Opponent Snyman, W (Wehann)

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	Erasmus ,KA (Kean Andre)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Erasmus ,KA (Kean Andre)	3	1061.8	778.5	3	1049.3	778.5	0	0	0	0	0	0
2	Janse Van Rensburg ,LA (Leander Andries)	2	2	425	2	2	425	0	0	0	0	0	0
2	Janse Van Rensburg ,LA (Leander Andries)	2	1219.6	1644.6	2	1224	1644.6	0	0	0	0	0	0
3	Stoltz ,C (Cornel)	1	1	425	1	1	425	0	0	0	0	0	0
3	Stoltz ,C (Cornel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Van Der Merwe ,A (Alan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Der Merwe ,A (Alan)	1	1109.3	684.3	1	1093	684.3	0	0	0	0	0	0
5	Akole ,S (Sara)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Akole ,S (Sara)	1	1264.4	839.4	1	1252.7	839.4	0	0	0	0	0	0
6	Steyn ,H (Hendre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Steyn ,H (Hendre)	1	1072.6	647.6	1	1049.2	647.6	0	0	0	0	0	0
7	Webb ,G (Gordon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Webb ,G (Gordon)	1	1354.1	929.1	1	1348.4	929.1	0	0	0	0	0	0
8	De Jager ,G (Gustave)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Jager ,G (Gustave)	1	994.3	1419.3	1	973.9	1419.3	0	0	0	0	0	0
9	Coetzee ,M (Marko)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Coetzee ,M (Marko)	1	1047.2	622.2	1	1026.4	622.2	0	0	0	0	0	0
10	Mashi ,K (Karabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mashi ,K (Karabo)	1	1296.3	871.3	1	1320.2	871.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kruger, 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