Chess South Africa Ratings Database

PLAYER PAGE

Personal

Griesel, J (Jason)

Chess SA id

1150305436

FIDE id

Date of birth

2015-06-10 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1473	1418.8	1409.6	1200
Raw rating	1473	1418.8	1409.6	1200
Weighted rating	1413.9	1381.7	1331.9	1200
Weighted performance	1378.7	1369.6	0	0
Floor	1043.9	982.8	909.6	700
K-factor	32	32	32	36
Min/Max rating change allowed	112.4	121.4	123	165.8
Highest rating	1543.9 2025-11-01	1482.8 2025-11-01	1475.9 2024-05-01	1200 2024-05-01
Highest raw rating	1543.9 2025-11-01	1482.8 2025-11-01	1409.6 2025-09-01	1200 2024-05-01
Highest weighted rating	1530.6 2024-10-01	1381.7 2026-01-01	1289.1 2025-09-01	1200 2024-05-01
Highest weighted performance	1530.6 2025-07-01	1464.5 2024-10-01	1475.9 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1473	1418.8	1409.6	1200
Analysis
Rating	1473	1418.8	1409.6	1200
Raw rating	1473	1418.8	1409.6	1200
Weighted rating	1413.9	1381.7	1331.9
Weighted performance	1378.7	1369.6	0
K-factor	32	32	32	36
Floor	1043.9	982.8	909.6	700
Max/Min rating change allowed	112.4	121.4	123	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	1473	1418.8	1409.6	1200
New weighted rating	1424.1	1389.3	1340.9	1200
New weighted performance	1369.6	1360.4	0	0
Temp new rating	1473	1418.8	1409.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1473	1418.8	1409.6	1200
New K-factor	32	32	32	36
New floor	1043.9	982.8	909.6	700

Item	Main	Standard	Rapid
	0	0	0
	44	33	11
	39	27	12
	0	0	0
	0	0	0
	0	0	0
History	83	60	23

Games since
	Main 83	Standard 60		Rapid 23		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	948		298		176
Male	829		257		152
U12	78		24		13
U12 Male	62		19		11
Standard
	RSA		Province		Region
Overall	1345		370		204
Male	1135		301		171
U12	139		36		20
U12 Male	102		25		15
Rapid
	RSA		Province		Region
Overall	491		246		121
Male	420		213		113
U12	70		41		20
U12 Male	57		33		19
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	44	32.5	73.86	202.8	1328.8	1531.6
Standard	33	22.5	68.18	154.5	1341.9	1496.4
Rapid	11	10	90.91	347.7	1289.5	1637.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	83	56.5	68.07	153.6	1302.3	1455.9
Standard	60	39.5	65.83	134.6	1312.7	1447.2
Rapid	23	17	73.91	203.3	1275.3	1478.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1473	1418.8	1409.6	1200
2025-11-30	1543.9	1482.8	1409.6	1200
2025-11-01	1543.9	1482.8	1409.6	1200
2025-09-30	1541	1464.5	1409.6	1200
2025-09-01	1541	1464.5	1409.6	1200
2025-08-01	1530.6	1464.5	1351.4	1200
2025-07-01	1530.6	1464.5	1351.4	1200
2025-06-01	1428.8	1406.8	1276.4	1200
2025-05-01	1386.9	1378	1276.4	1200
2025-04-01	1386.9	1378	1276.4	1200
2025-03-01	1316.9	1330.1	1276.4	1200
2025-02-01	1312.8	1327.6	1276.4	1200
2025-01-01	1257.8	1302.4	1276.4	1200
2024-12-01	1257.8	1302.4	1276.4	1200
2024-11-01	1257.8	1302.4	1276.4	1200
2024-10-01	1235.1	1200	1276.4	1200
2024-09-01	1235.1	1200	1276.4	1200
2024-11-01	1235.1	1200	1276.4	1200
2024-07-01	1235.1	1200	1276.4	1200
2024-06-01	1235.1	1200	1276.4	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

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	2025 Mzansi Inter Provincial Team Championships (U12 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
2	A & A Invitational Chess Tournament 2025 (U12+U14)	2025-11-29	2025-11-29	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
3	Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
4	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
5	Helderberg Chess Club Open 2025 (U11)	2025-06-07	2025-06-07	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
6	Cape Town Chess Junior League 2025 (U8+U10 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	7	5	5	Yes	Analysis
7	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
8	CT Metro Schools Individual Closed 2025 (U11 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
9	CT Metro District East Schools Chess Individuals Trials 2025 (U11 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	Helderberg Chess Club PS Development Tournament 2025 (U11 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
11	Grant East Annual Primary School Invitational Chess Tournament 2024 (U9)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
12	Kleinmond Chess Club Open 2024 (U10)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
13	Cape Town Chess Federation Closed Chess Championships 2024 (U10)	2024-06-15	2024-06-15	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
14	Rhenish PS Tournament 2024 (U10)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
15	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
16	Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
17	CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament Western Cape Schools Individual Championship 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-06-07	rnd 3	type Standard	result 1
		Opponent Small, W (Wyatt)				Opponent Van Der Spuy, D (Daniel)
2	6	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-06-15	rnd 3	type Standard	result 0.5	date 2024-09-07	rnd 3	type Rapid	result 1
		Opponent Krengo, O (Olwakhe)				Opponent Coetzer, H (Hanro)
3	5	Tournament Helderberg Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent Nel, J (Joshua)				Opponent Henning, I (Ivan)

#	Games	Start				End
1	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-06-07	rnd 3	type Standard	result 1
		Opponent Small, W (Wyatt)				Opponent Van Der Spuy, D (Daniel)
2	5	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-06-15	rnd 3	type Standard	result 0.5	date 2024-10-05	rnd 2	type Standard	result 1
		Opponent Krengo, O (Olwakhe)				Opponent Owakwe, O (Onyinye)
3	4	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Oliver, J (Jude)				Opponent Claassen, J (Jaywin)

#	Games	Start				End
1	9	Tournament Cape Town Chess Junior League 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-05-23	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent de Wet, L (Lila)				Opponent Henning, I (Ivan)
2	3	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 3	type Rapid	result 1
		Opponent Tshota, E (Enkosi)				Opponent Coetzer, H (Hanro)
3	3	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 3	type Rapid	result 1
		Opponent Coelho, M (Mason)				Opponent Lourens, S (Simeon Juda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Western Cape Schools Individual Championship 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Small, W (Wyatt)				Opponent Kaiser, H (Heinrich)
2	5	Tournament Helderberg Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent Nel, J (Joshua)				Opponent Henning, I (Ivan)
3	5	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-06-15	rnd 4	type Standard	result 1	date 2024-09-07	rnd 3	type Rapid	result 1
		Opponent Bouziane, H (Hayden)				Opponent Coetzer, H (Hanro)

#	Games	Start				End
1	4	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Oliver, J (Jude)				Opponent Claassen, J (Jaywin)
2	4	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Mnyama, A (Ahlangene)				Opponent Du Plooy, A (Alwin)
3	4	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-06-15	rnd 4	type Standard	result 1	date 2024-10-05	rnd 2	type Standard	result 1
		Opponent Bouziane, H (Hayden)				Opponent Owakwe, O (Onyinye)

#	Games	Start				End
1	9	Tournament Cape Town Chess Junior League 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-05-23	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent de Wet, L (Lila)				Opponent Henning, I (Ivan)
2	3	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 3	type Rapid	result 1
		Opponent Tshota, E (Enkosi)				Opponent Coetzer, H (Hanro)
3	3	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 3	type Rapid	result 1
		Opponent Coelho, M (Mason)				Opponent Lourens, S (Simeon Juda)

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	Nel ,J (Joshua)	5	1.5	-170	4	1.5	-106.2	1	0	-425	0	0	0
1	Nel ,J (Joshua)	5	1397	1227	4	1355.9	1290.7	1	1321.7	972	0	0	0
2	Johnson ,B (Brian)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
2	Johnson ,B (Brian)	3	1413.6	1272	2	1296.9	1413.6	1	1499.1	988.6	0	0	0
3	Kruger ,J (Josua Baruch)	3	0	-425	2	0	-425	1	0	-425	0	0	0
3	Kruger ,J (Josua Baruch)	3	1460.4	1035.4	2	1424.6	1035.4	1	1567.6	1035.4	0	0	0
4	Holdsworth ,J (Jordan)	2	2	425	2	2	425	0	0	0	0	0	0
4	Holdsworth ,J (Jordan)	2	1436.1	1861.1	2	1441.4	1861.1	0	0	0	0	0	0
5	Levin ,J (Jamie)	2	2	425	2	2	425	0	0	0	0	0	0
5	Levin ,J (Jamie)	2	1211.7	1636.7	2	1199.8	1636.7	0	0	0	0	0	0
6	Kaiser ,H (Heinrich)	2	2	425	2	2	425	0	0	0	0	0	0
6	Kaiser ,H (Heinrich)	2	1199.8	1624.8	2	1199.8	1624.8	0	0	0	0	0	0
7	Marais ,A (Alexander)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Marais ,A (Alexander)	2	1493.2	1068.2	2	1415.9	1068.2	0	0	0	0	0	0
8	Van Der Spuy ,D (Daniel)	2	1	0	2	1	0	0	0	0	0	0	0
8	Van Der Spuy ,D (Daniel)	2	1339.3	1339.3	2	1343.8	1339.3	0	0	0	0	0	0
9	Coenraad ,S (Sam)	2	1	0	2	1	0	0	0	0	0	0	0
9	Coenraad ,S (Sam)	2	1265.8	1265.8	2	1247.8	1265.8	0	0	0	0	0	0
10	Fourie ,S (Steph)	2	2	425	2	2	425	0	0	0	0	0	0
10	Fourie ,S (Steph)	2	1315.7	1740.7	2	1246.4	1740.7	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

Griesel, 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