Chess South Africa Ratings Database

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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

2025-09-07

Personal details last changed

2025-02-04

Junior GPX Games

41.3

Junior GPX Points

1371.2

Item	Main	Standard	Rapid	Blitz
Rating	1525.6	1530.1	1242	1200
Raw rating	1525.6	1530.1	1242	1200
Weighted rating	1512.5	1512.9	1228	1200
Weighted performance	1500.3	1502.6	0	0
Floor	1058	1059.5	742	700
K-factor	32	32	36	36
Min/Max rating change allowed	104.3	103.6	156.2	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	1242 2025-03-01	1200 2024-02-01
Highest weighted rating	1558 2025-07-01	1512.9 2025-09-30	1223.7 2025-08-01	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	1525.6	1530.1	1242	1200
Analysis
Rating	1525.6	1530.1	1242	1200
Raw rating	1525.6	1530.1	1242	1200
Weighted rating	1512.5	1512.9	1228
Weighted performance	1500.3	1502.6	0
K-factor	32	32	36	36
Floor	1058	1059.5	742	700
Max/Min rating change allowed	104.3	103.6	156.2	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	1525.6	1530.1	1242	1200
New weighted rating	1513.6	1514.4	1229.9	1200
New weighted performance	1499.7	1502.1	0	0
Temp new rating	1525.6	1530.1	1242	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1525.6	1530.1	1242	1200
New K-factor	32	32	36	36
New floor	1058	1059.5	742	700

Item	Main	Standard	Rapid
	0	0	0
	43	38	5
	52	47	5
	41	41	0
	32	32	0
	0	0	0
History	168	158	10

Games since
	Main 95	Standard 85		Rapid 10		Blitz 0
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1074		318		73
Male	937		267		63
U12	98		31		12
U12 Male	75		23		8
Standard
	RSA		Province		Region
Overall	969		260		61
Male	845		217		52
U12	92		24		11
U12 Male	70		17		8
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	43	31.5	73.26	197.7	1326.1	1523.7
Standard	38	28.5	75	212.5	1324	1536.5
Rapid	5	3	60	85	1341.5	1426.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	168	117	69.64	167	1288	1455
Standard	158	111	70.25	172.2	1283.9	1456.1
Rapid	10	6	60	85	1353.1	1438.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
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
2024-08-01	1532.2	1526.2	1200	1200
2024-07-01	1526.6	1519.2	1200	1200
2024-06-01	1526.6	1519.2	1200	1200
2024-08-01	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
2024-01-01	1501	1499	1200	1200
2023-12-01	1501	1499	1200	1200
2023-11-01	1501	1499	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 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
2	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	5	Yes	Analysis
3	George Top Schools 2025 (U11)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	3	Yes	Analysis
4	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
5	George Schools Chess Trials 3 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis
6	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
7	George Schools Chess Trials 2 2025 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	3	Yes	Analysis
8	George Schools Chess Trials 1 2025 (U11 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 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
2	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	5	Yes	Analysis
3	George Top Schools 2025 (U11)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	3	Yes	Analysis
4	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
5	George Schools Chess Trials 3 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis
6	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
7	George Schools Chess Trials 2 2025 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	3	Yes	Analysis
8	George Schools Chess Trials 1 2025 (U11 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
9	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
11	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	5	Yes	Analysis
12	George Primary Top Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	4	Yes	Analysis
13	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
14	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	7.5	Yes	Analysis
15	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
16	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
17	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	5	Yes	Analysis
18	Western Cape Top Schools 2023 (U9 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	3.5	Yes	Analysis
19	Eden Top Schools 2023 (U9 Mix)	2023-08-19	2023-08-19	Standard	Eden (WEG)	5	4	4	Yes	Analysis
20	Top Schools 2023 (U9)	2023-07-29	2023-07-29	Standard	Eden (WEG)	5	4	4	Yes	Analysis
21	Eden Trials 2+3 2023 (U10)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	9	6	Yes	Analysis
22	Eden Trails 1 2023 (U9 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
23	George Chess Trials 3 2023 (U9 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	3	Yes	Analysis
24	George Chess Trials 2 2023 (U9 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
25	George Chess Trials 1 2023 (U9 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	4	2	Yes	Analysis
26	George Open 2022 (D)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	4	1	Yes	Analysis
27	Western Cape Top Schools 2022 (U7 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	6	4	2	Yes	Analysis
28	George Open 2022 (D)	2022-06-11	2022-06-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
29	Western Cape Schools 2022 (U7 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
30	Eden Proewe 1 2022 (O7 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
31	George Trials 3 2022 (U7)	2022-02-26	2022-02-26	Standard	Eden (WEG)	5	4	4	Yes	Analysis
32	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)	8	4.5	53.1	8	4.5	53.1	0	0	0	0	0	0
1	Van Der Merwe ,O (Oliver)	8	1264.8	1318	8	1263.6	1318	0	0	0	0	0	0
2	Opperman ,C (Caden)	6	6	425	6	6	425	0	0	0	0	0	0
2	Opperman ,C (Caden)	6	1362.6	1787.6	6	1364.8	1787.6	0	0	0	0	0	0
3	James ,W (William)	6	2	-141.7	6	2	-141.7	0	0	0	0	0	0
3	James ,W (William)	6	1341.6	1200	6	1343.5	1200	0	0	0	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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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