Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pfaff, J (Joel)

Chess SA id

1150136955

FIDE id

Date of birth

2015-01-02 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

2025-02-04

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1530.1	1530.1	1297.4	1200
Raw rating	1530.1	1530.1	1297.4	1200
Weighted rating	1516.2	1517.1	1242.6	1200
Weighted performance	1446.4	1453.6	0	0
Floor	1058	1059.5	797.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	103.6	103.6	144.3	165.8
Highest rating	1636.3 2022-02-01	1636.3 2022-02-01	1313.3 2024-11-01	1200 2018-10-01
Highest raw rating	1558 2024-09-01	1559.5 2024-09-01	1297.4 2025-11-30	1200 2024-02-01
Highest weighted rating	1558 2025-07-01	1512.9 2025-09-30	1236.7 2025-11-30	1200 2018-10-01
Highest weighted performance	1636.3 2022-02-01	1636.3 2022-02-01	1313.3 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1530.1	1530.1	1297.4	1200
Analysis
Rating	1530.1	1530.1	1297.4	1200
Raw rating	1530.1	1530.1	1297.4	1200
Weighted rating	1516.2	1517.1	1242.6
Weighted performance	1446.4	1453.6	0
K-factor	32	32	36	36
Floor	1058	1059.5	797.4	700
Max/Min rating change allowed	103.6	103.6	144.3	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	1530.1	1530.1	1297.4	1200
New weighted rating	1517.4	1518.3	1248.1	1200
New weighted performance	1436.7	1443.6	0	0
Temp new rating	1530.1	1530.1	1297.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1530.1	1530.1	1297.4	1200
New K-factor	32	32	36	36
New floor	1058	1059.5	797.4	700

Item	Main	Standard	Rapid
	0	0	0
	54	38	16
	52	47	5
	41	41	0
	32	32	0
	0	0	0
History	179	158	21

Games since
	Main 106	Standard 85		Rapid 21		Blitz 0
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1034		324		71
Male	902		279		61
U12	88		26		10
U12 Male	70		21		7
Standard
	RSA		Province		Region
Overall	974		268		56
Male	844		227		47
U12	87		23		11
U12 Male	66		17		8
Rapid
	RSA		Province		Region
Overall	1090		549		45
Male	881		440		37
U12	186		108		8
U12 Male	137		76		6
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	54	38.5	71.3	181	1345.6	1526.6
Standard	38	28.5	75	212.5	1324	1536.5
Rapid	16	10	62.5	106.2	1396.9	1503.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	179	124	69.27	163.8	1296.3	1460.1
Standard	158	111	70.25	172.2	1283.9	1456.1
Rapid	21	13	61.9	101.2	1389.3	1490.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1530.1	1530.1	1297.4	1200
2025-11-30	1530.1	1530.1	1297.4	1200
2025-11-01	1526.5	1530.1	1251	1200
2025-09-30	1525.6	1530.1	1242	1200
2025-09-01	1528.5	1535.2	1242	1200
2025-08-01	1509.7	1512.8	1242	1200
2025-07-01	1515.6	1523.7	1242	1200
2025-06-01	1515.6	1523.7	1242	1200
2025-05-01	1515.6	1523.7	1242	1200
2025-04-01	1521.9	1530	1242	1200
2025-03-01	1507.4	1513.2	1242	1200
2025-02-01	1500.1	1494.8	1225.9	1200
2025-01-01	1477.3	1463.8	1225.9	1200
2024-12-01	1477.3	1463.8	1225.9	1200
2024-11-01	1477.3	1463.8	1225.9	1200
2024-10-01	1479.1	1463.8	1200	1200
2024-09-01	1558	1559.5	1200	1200
2024-11-01	1532.2	1526.2	1200	1200
2024-07-01	1526.6	1519.2	1200	1200
2024-06-01	1526.6	1519.2	1200	1200
2024-05-01	1540.9	1549	1200	1200
2024-04-01	1527.1	1530.1	1200	1200
2024-03-01	1528.4	1532.3	1200	1200
2024-02-01	1501	1499	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	Laerskool George Suid 2025 (Ope)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
2	HCPS Invitational Rapid Tournament 2025 (U11)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
3	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
4	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	5	Yes	Analysis
5	George Top Schools 2025 (U11)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	3	Yes	Analysis
6	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
7	George Schools Chess Trials 3 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	3	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 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	3	Yes	Analysis
10	George Schools Chess Trials 1 2025 (U11 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
11	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
12	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
13	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	5	Yes	Analysis
14	George Primary Top Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	4	Yes	Analysis
15	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
16	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	7.5	Yes	Analysis
17	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
18	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
19	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	5	Yes	Analysis
20	Western Cape Top Schools 2023 (U9 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	3.5	Yes	Analysis
21	Eden Top Schools 2023 (U9 Mix)	2023-08-19	2023-08-19	Standard	Eden (WEG)	5	4	4	Yes	Analysis
22	Top Schools 2023 (U9)	2023-07-29	2023-07-29	Standard	Eden (WEG)	5	4	4	Yes	Analysis
23	Eden Trials 2+3 2023 (U10)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	9	6	Yes	Analysis
24	Eden Trails 1 2023 (U9 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
25	George Chess Trials 3 2023 (U9 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	3	Yes	Analysis
26	George Chess Trials 2 2023 (U9 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
27	George Chess Trials 1 2023 (U9 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	4	2	Yes	Analysis
28	George Open 2022 (D)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	4	1	Yes	Analysis
29	Western Cape Top Schools 2022 (U7 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	6	4	2	Yes	Analysis
30	George Open 2022 (D)	2022-06-11	2022-06-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
31	Western Cape Schools 2022 (U7 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
32	Eden Proewe 1 2022 (O7 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
33	George Trials 3 2022 (U7)	2022-02-26	2022-02-26	Standard	Eden (WEG)	5	4	4	Yes	Analysis
34	George Trials 2 2022 (U7)	2022-02-12	2022-02-12	Standard	Eden (WEG)	5	4	4	Yes	Analysis

#	Games	Start				End
1	11	Tournament George Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Van Zyl, Z (Zander)				Opponent Edons, M (Mihandro)
2	11	Tournament Western Cape Top Schools 2023				Tournament George Schools Trials 2 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Wiggens, M (Michael)				Opponent Opperman, C (Caden)
3	11	Tournament Eden Trials 2+3 2023				Tournament Western Cape Top Schools 2023
		date 2023-05-13	rnd 10	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Stalmeester, E (Emerson)				Opponent Roux, N (Niqueta)

#	Games	Start				End
1	11	Tournament George Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Van Zyl, Z (Zander)				Opponent Edons, M (Mihandro)
2	11	Tournament Western Cape Top Schools 2023				Tournament George Schools Trials 2 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Wiggens, M (Michael)				Opponent Opperman, C (Caden)
3	11	Tournament Eden Trials 2+3 2023				Tournament Western Cape Top Schools 2023
		date 2023-05-13	rnd 10	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Stalmeester, E (Emerson)				Opponent Roux, N (Niqueta)

#	Games	Start				End
1	2	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Stander, P (Paul)				Opponent Human, R (Rupert)
2	1	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Oosthuizen, S (Shaania)				Opponent Oosthuizen, S (Shaania)
3	1	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Pentz, J (Jason)				Opponent Pentz, J (Jason)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament Western Cape Top Schools 2023				Tournament George Schools Trials 2 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Wiggens, M (Michael)				Opponent Opperman, C (Caden)
2	9	Tournament Eden Trials 2+3 2023				Tournament Eden Top Schools 2023
		date 2023-05-13	rnd 10	type Standard	result 1	date 2023-08-19	rnd 4	type Standard	result 1
		Opponent Stalmeester, E (Emerson)				Opponent De Jager, E (Eurique)
3	9	Tournament George Trials 2 2022				Tournament Eden Proewe 1 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent James, W (William)				Opponent Serfontein, D (David)

#	Games	Start				End
1	11	Tournament Western Cape Top Schools 2023				Tournament George Schools Trials 2 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Wiggens, M (Michael)				Opponent Opperman, C (Caden)
2	9	Tournament Eden Trials 2+3 2023				Tournament Eden Top Schools 2023
		date 2023-05-13	rnd 10	type Standard	result 1	date 2023-08-19	rnd 4	type Standard	result 1
		Opponent Stalmeester, E (Emerson)				Opponent De Jager, E (Eurique)
3	9	Tournament George Trials 2 2022				Tournament Eden Proewe 1 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent James, W (William)				Opponent Serfontein, D (David)

#	Games	Start				End
1	2	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Stander, P (Paul)				Opponent Human, R (Rupert)
2	1	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Oosthuizen, S (Shaania)				Opponent Oosthuizen, S (Shaania)
3	1	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Pentz, J (Jason)				Opponent Pentz, J (Jason)

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	Van Der Merwe ,O (Oliver)	9	4.5	0	8	4.5	53.1	1	0	-425	0	0	0
1	Van Der Merwe ,O (Oliver)	9	1298.6	1298.6	8	1263.6	1351.7	1	1315.9	873.6	0	0	0
2	Opperman ,C (Caden)	7	7	425	6	6	425	1	1	425	0	0	0
2	Opperman ,C (Caden)	7	1394.6	1819.6	6	1364.8	1819.6	1	1377.4	1819.6	0	0	0
3	James ,W (William)	7	3	-60.7	6	2	-141.7	1	1	425	0	0	0
3	James ,W (William)	7	1367.2	1306.4	6	1343.5	1225.5	1	1211.3	1792.2	0	0	0
4	Muza ,B (Benjamin)	6	5	283.3	6	5	283.3	0	0	0	0	0	0
4	Muza ,B (Benjamin)	6	1308.8	1592.2	6	1302.7	1592.2	0	0	0	0	0	0
5	Mccabe ,T (Thomas)	5	5	425	5	5	425	0	0	0	0	0	0
5	Mccabe ,T (Thomas)	5	1170.3	1595.3	5	1166.1	1595.3	0	0	0	0	0	0
6	Oberholzer ,M (Milan)	5	3	85	5	3	85	0	0	0	0	0	0
6	Oberholzer ,M (Milan)	5	1330	1415	5	1328.1	1415	0	0	0	0	0	0
7	Fourie ,J (John)	4	4	425	4	4	425	0	0	0	0	0	0
7	Fourie ,J (John)	4	1256.9	1681.9	4	1258.7	1681.9	0	0	0	0	0	0
8	Mpuru ,J (JK)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
8	Mpuru ,J (JK)	4	1427.2	1214.8	4	1428.8	1214.8	0	0	0	0	0	0
9	Marner ,L (Loannes)	4	4	425	4	4	425	0	0	0	0	0	0
9	Marner ,L (Loannes)	4	1265.1	1690.1	4	1277.7	1690.1	0	0	0	0	0	0
10	Punt ,CR (Christiaan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
10	Punt ,CR (Christiaan)	3	1280	1138.3	3	1285	1138.3	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

Pfaff, J (Joel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms