Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pentz, J (Jason)

Chess SA id

1130136594

FIDE id

Date of birth

2013-01-16 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

50.7

Junior GPX Points

1386

Item	Main	Standard	Rapid	Blitz
Rating	1508.9	1498.7	1267.9	1200
Raw rating	1508.9	1498.7	1267.9	1200
Weighted rating	1486.2	1475.8	1237.1	1200
Weighted performance	1467.5	1454.7	0	0
Floor	1012	1007.4	767.9	700
K-factor	32	32	36	36
Min/Max rating change allowed	106.8	108.3	150.5	165.8
Highest rating	1514.5 2024-03-01	1507.4 2025-05-05	1267.9 2025-03-01	1200 2018-10-01
Highest raw rating	1512 2025-05-05	1507.4 2025-05-05	1267.9 2025-03-01	1200 2024-02-01
Highest weighted rating	1486.2 2025-09-30	1475.8 2025-09-30	1229.2 2025-08-01	1200 2018-10-01
Highest weighted performance	1514.5 2024-03-01	1506.5 2024-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1508.9	1498.7	1267.9	1200
Analysis
Rating	1508.9	1498.7	1267.9	1200
Raw rating	1508.9	1498.7	1267.9	1200
Weighted rating	1486.2	1475.8	1237.1
Weighted performance	1467.5	1454.7	0
K-factor	32	32	36	36
Floor	1012	1007.4	767.9	700
Max/Min rating change allowed	106.8	108.3	150.5	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	1508.9	1498.7	1267.9	1200
New weighted rating	1490	1479.9	1240.7	1200
New weighted performance	1467	1454.2	0	0
Temp new rating	1508.9	1498.7	1267.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1508.9	1498.7	1267.9	1200
New K-factor	32	32	36	36
New floor	1012	1007.4	767.9	700

Item	Main	Standard	Rapid
	0	0	0
	57	46	11
	30	30	0
	44	44	0
	47	47	0
	0	0	0
History	178	167	11

Games since
	Main 87	Standard 76		Rapid 11		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1194		359		81
Male	1030		303		70
U14	162		54		18
U14 Male	130		40		14
Standard
	RSA		Province		Region
Overall	1182		320		78
Male	1010		260		64
U14	169		58		21
U14 Male	135		41		16
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	57	36.5	64.04	119.3	1390.7	1510
Standard	46	29.5	64.13	120.1	1389.8	1509.9
Rapid	11	7	63.64	115.9	1394.7	1510.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	178	108.5	60.96	93.1	1324.5	1417.6
Standard	167	101.5	60.78	91.6	1319.8	1411.5
Rapid	11	7	63.64	115.9	1394.7	1510.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1508.9	1498.7	1267.9	1200
2025-09-01	1507.6	1505.1	1267.9	1200
2025-08-01	1503.9	1498.9	1267.9	1200
2025-07-01	1512	1507.4	1267.9	1200
2025-06-01	1512	1507.4	1267.9	1200
2025-05-01	1512	1507.4	1267.9	1200
2025-04-01	1487.9	1478.7	1267.9	1200
2025-03-01	1491.4	1477.1	1267.9	1200
2025-02-01	1469.9	1456	1200	1200
2025-01-01	1469.9	1456	1200	1200
2024-12-01	1469.9	1456	1200	1200
2024-11-01	1469.9	1456	1200	1200
2024-10-01	1469.9	1456	1200	1200
2024-09-01	1469.9	1456	1200	1200
2024-08-01	1469.9	1456	1200	1200
2024-07-01	1486.9	1474.2	1200	1200
2024-06-01	1486.9	1474.2	1200	1200
2024-08-01	1498.3	1490.5	1200	1200
2024-04-01	1498.3	1490.5	1200	1200
2024-03-01	1418.8	1403.9	1200	1200
2024-02-01	1341.7	1306	1200	1200
2024-01-01	1341.7	1306	1200	1200
2023-12-01	1341.7	1306	1200	1200
2023-11-01	1341.7	1306	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	Western Cape Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
2	Eden Top Schools 2025 (U13)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	George Top Schools 2025 (U13)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	Eden Chess Trials 2 2025 (U14)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
6	George Schools Chess Trials 3 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
8	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
9	George Schools Chess Trials 2 2025 (U13 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	George Schools Chess Trials 1 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
2	Eden Top Schools 2025 (U13)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	George Top Schools 2025 (U13)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	Eden Chess Trials 2 2025 (U14)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
6	George Schools Chess Trials 3 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
8	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
9	George Schools Chess Trials 2 2025 (U13 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	George Schools Chess Trials 1 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
11	George Primary Top Schools 2024 (U11)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	4	2	Yes	Analysis
12	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
13	Eden School Chess Trials 1 2024 (U11 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	4	Yes	Analysis
14	George Schools Trials 3 2024 (U11 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
15	George Schools Trials 2 2024 (U11 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
16	George Schools Trials 1 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
17	Western Cape Top Schools 2023 (U11 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis
18	Eden Top Schools 2023 (U11 Mix)	2023-08-19	2023-08-19	Standard	Eden (WEG)	5	4	3	Yes	Analysis
19	Top Schools 2023 (U11)	2023-07-29	2023-07-29	Standard	Eden (WEG)	5	4	2	Yes	Analysis
20	Western Cape PS Individuals 2023 (U11 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
21	Eden Trials 2+3 2023 (U12)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	9	5	Yes	Analysis
22	Eden Trails 1 2023 (U11 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	4	Yes	Analysis
23	George Chess Trials 3 2023 (U11 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
24	George Chess Trials 2 2023 (U11 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
25	Western Cape Top Schools 2022 (U9 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
26	Eden Topskole 2022 (O9 Ope)	2022-08-13	2022-08-13	Standard	Eden (WEG)	6	6	3	Yes	Analysis
27	George Topskole 2022 (O9)	2022-07-30	2022-07-30	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
28	Western Cape Schools 2022 (U9 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
29	Eden Proewe 2 2022 (O9 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
30	Eden Proewe 1 2022 (O9 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
31	George Trials 3 2022 (U9)	2022-02-26	2022-02-26	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
32	George Trials 2 2022 (U9)	2022-02-12	2022-02-12	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
33	George Trials 1 2022 (U9)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Eden School Chess Trials 1 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Frans, E (Eldin-Lee)				Opponent Makumbe, P (Perfect)
2	7	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 3 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 0.5
		Opponent Pretorius, R (Rulan)				Opponent Glynn, A (Alexander)
3	6	Tournament George Schools Trials 1 2024				Tournament George Schools Trials 2 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Stange, R (Riley)				Opponent Spies, F (Fanie)

#	Games	Start				End
1	8	Tournament Eden School Chess Trials 1 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Frans, E (Eldin-Lee)				Opponent Makumbe, P (Perfect)
2	7	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 3 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 0.5
		Opponent Pretorius, R (Rulan)				Opponent Glynn, A (Alexander)
3	6	Tournament George Schools Trials 1 2024				Tournament George Schools Trials 2 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Stange, R (Riley)				Opponent Spies, F (Fanie)

#	Games	Start				End
1	3	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 4	type Rapid	result 1
		Opponent De Swardt, R (Rebecca)				Opponent Du Preez, R (Rumecha)
2	2	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Pringle, A (Alexander)				Opponent Van Der Merwe, I (Imke)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Coleman, G (Gabriella)				Opponent Coleman, G (Gabriella)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 3 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Pretorius, R (Rulan)				Opponent Chaonwa, N (Nathan)
2	5	Tournament Eden Trails 1 2023				Tournament Eden Trials 2+3 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-04-15	rnd 2	type Standard	result 1
		Opponent Kannemeyer, M (Mushaan)				Opponent Green, J (Joshrin)
3	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent Benjamin, W (Willandro)				Opponent Van Der Merwe, I (Imke)

#	Games	Start				End
1	6	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 3 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Pretorius, R (Rulan)				Opponent Chaonwa, N (Nathan)
2	5	Tournament Eden Trails 1 2023				Tournament Eden Trials 2+3 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-04-15	rnd 2	type Standard	result 1
		Opponent Kannemeyer, M (Mushaan)				Opponent Green, J (Joshrin)
3	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent Benjamin, W (Willandro)				Opponent Van Der Merwe, I (Imke)

#	Games	Start				End
1	3	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 4	type Rapid	result 1
		Opponent De Swardt, R (Rebecca)				Opponent Du Preez, R (Rumecha)
2	2	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Pringle, A (Alexander)				Opponent Van Der Merwe, I (Imke)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Coleman, G (Gabriella)				Opponent Coleman, G (Gabriella)

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	Ahrense ,C (Cullen)	8	1	-318.8	8	1	-318.8	0	0	0	0	0	0
1	Ahrense ,C (Cullen)	8	1417.8	1099.1	8	1410.6	1099.1	0	0	0	0	0	0
2	Simon ,R (Riley)	6	0.5	-354.2	6	0.5	-354.2	0	0	0	0	0	0
2	Simon ,R (Riley)	6	1662.6	1308.5	6	1649	1308.5	0	0	0	0	0	0
3	Francis ,A (Aaron)	5	0.5	-340	5	0.5	-340	0	0	0	0	0	0
3	Francis ,A (Aaron)	5	1603.4	1263.4	5	1606.8	1263.4	0	0	0	0	0	0
4	Moolman ,E (Elzevir)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Moolman ,E (Elzevir)	3	1300.2	1441.9	3	1285.9	1441.9	0	0	0	0	0	0
5	Du Plessis ,T (Thozamile)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
5	Du Plessis ,T (Thozamile)	3	1254.6	1537.9	3	1261.8	1537.9	0	0	0	0	0	0
6	De Swardt ,C (Christiaan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	De Swardt ,C (Christiaan)	3	1223.7	1082	3	1229.1	1082	0	0	0	0	0	0
7	Roelf ,W (Wildren)	3	0	-425	3	0	-425	0	0	0	0	0	0
7	Roelf ,W (Wildren)	3	1544.4	1119.4	3	1561.8	1119.4	0	0	0	0	0	0
8	Frans ,E (Eldin-Lee)	3	3	425	3	3	425	0	0	0	0	0	0
8	Frans ,E (Eldin-Lee)	3	1202.4	1627.4	3	1203.2	1627.4	0	0	0	0	0	0
9	Pringle ,A (Alexander)	3	1.5	0	2	0.5	-212.5	1	1	425	0	0	0
9	Pringle ,A (Alexander)	3	1542.2	1542.2	2	1530.2	1329.7	1	1221.2	1967.2	0	0	0
10	Moses ,D (Dominique)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
10	Moses ,D (Dominique)	3	1352.4	1210.8	2	1316.8	1352.4	1	1245	927.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Pentz, 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