Player Page

Pfaff, J (Joel)
Dob: 2015/01/28 (U10)
Gender: Male
Chess SA id: 1150136955
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (33 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1479.1
Current Weighted rating1492.1
Current Weighted performance1408.9
Current official/published rating (highest between Raw, WR and WP)1492.1
Current highest rating achieved1540.9
Current floor (min rating allowed)1040.9
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±111.4
Current Raw change used (final)0.0
Projected new Raw rating1479.1
Projected new Weighed rating1376.7
Projected new Weighted performance1408.9
Projected new final Raw rating (if new WP > new Raw)1479.1
Projected new highest rating1540.9
Projected new floor1040.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1479.1
Projected effective change (new Official - current Official)-13.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1463.8
Current Weighted rating1490.3
Current Weighted performance1408.9
Current official/published rating (highest between Raw, WR and WP)1490.3
Current highest rating achieved1549.0
Current floor (min rating allowed)1049.0
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±113.9
Current Raw change used (final)0.0
Projected new Raw rating1463.8
Projected new Weighed rating1374.9
Projected new Weighted performance1408.9
Projected new final Raw rating (if new WP > new Raw)1463.8
Projected new highest rating1549.0
Projected new floor1049.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1463.8
Projected effective change (new Official - current Official)-26.5
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 1.5 1558.0 1559.5 Analysis
7 Eden Top Schools 2024 (U9 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 5.0 1532.2 1526.2 Analysis
6 George Primary Top Schools 2024 (U9) 2024/07/20 2024/07/20 Eden (WEG) Standard 60 0.83 5 5 4.0 1526.6 1519.2 Analysis
5 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1540.9 1549.0 Analysis
4 Eden Chess Trials 2 2024 (U10) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 7.5 1527.1 1530.1 Analysis
3 Eden School Chess Trials 1 2024 (U9 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.5 1528.4 1532.3 Analysis
2 George Schools Trials 2 2024 (U9 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 4.0 1501.0 1499.0 Analysis
1 George Schools Trials 1 2024 (U9 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 5.0 1501.0 1499.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 1.5 1558.0 1559.5 Analysis
22 Eden Top Schools 2024 (U9 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 5.0 1532.2 1526.2 Analysis
21 George Primary Top Schools 2024 (U9) 2024/07/20 2024/07/20 Eden (WEG) Standard 60 0.83 5 5 4.0 1526.6 1519.2 Analysis
20 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1540.9 1549.0 Analysis
19 Eden Chess Trials 2 2024 (U10) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 7.5 1527.1 1530.1 Analysis
18 Eden School Chess Trials 1 2024 (U9 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.5 1528.4 1532.3 Analysis
17 George Schools Trials 2 2024 (U9 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 4.0 1501.0 1499.0 Analysis
16 George Schools Trials 1 2024 (U9 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 5.0 1501.0 1499.0 Analysis
15 Western Cape Top Schools 2023 (U9 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 3.5 1518.5 1521.4 Analysis
14 Eden Top Schools 2023 (U9 Mix) 2023/08/19 2023/08/19 Eden District (WEG) Standard 60 0.83 5 4 4.0 1451.7 1455.8 Analysis
13 Top Schools 2023 (U9) 2023/07/29 2023/07/29 Eden District (WEG) Standard 60 0.83 5 4 4.0 1376.8 1391.5 Analysis
12 Eden Trials 2+3 2023 (U10) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 9 6.0 1333.8 1338.9 Analysis
11 Eden Trails 1 2023 (U9 Boys) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 3.0 1320.7 1321.7 Analysis
10 George Chess Trials 3 2023 (U9 Boys) 2023/02/25 2023/02/25 Eden District (WEG) Standard 60 0.83 5 5 3.0 1232.3 1224.7 Analysis
9 George Chess Trials 2 2023 (U9 Boys) 2023/02/11 2023/02/11 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1232.3 1224.7 Analysis
8 George Chess Trials 1 2023 (U9 Boys) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 4 2.0 1225.1 1212.8 Analysis
7 George Open 2022 (D) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 4 1.0 1254.7 1250.6 Analysis
6 Western Cape Top Schools 2022 (U7 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 6 4 2.0 1253.5 1250.2 Analysis
5 George Open 2022 (D) 2022/06/11 2022/06/11 Eden District (WEG) Standard 65 0.85 5 5 2.0 1279.8 1282.6 Analysis
4 Western Cape Schools 2022 (U7 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 2.5 1319.9 1338.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 47 33 3 11 34.5 73.4 198.9 1314.1 1513.0
White 25 17 1 7 17.5 70.0 170.0 1312.0 1482.0
Black 22 16 2 4 17.0 77.3 231.8 1316.4 1548.2
Standard All 47 33 3 11 34.5 73.4 198.9 1314.1 1513.0
White 25 17 1 7 17.5 70.0 170.0 1312.0 1482.0
Black 22 16 2 4 17.0 77.3 231.8 1316.4 1548.2
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 120 80 5 35 82.5 68.8 159.4 1271.2 1430.6
White 62 40 3 19 41.5 66.9 144.0 1273.0 1417.0
Black 58 40 2 16 41.0 70.7 175.9 1269.3 1445.1
Standard All 120 80 5 35 82.5 68.8 159.4 1271.2 1430.6
White 62 40 3 19 41.5 66.9 144.0 1273.0 1417.0
Black 58 40 2 16 41.0 70.7 175.9 1269.3 1445.1
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1150136957 Van Der Merwe, O (Oliver) 8 4.5 4 1 3 56.3 1330.3 53.1 1383.5 View list
2 1150136953 James, W (William) 6 2.0 2 0 4 33.3 1351.5 -141.7 1209.8 View list
3 1150136954 Mccabe, T (Thomas) 5 5.0 5 0 0 100.0 1257.0 425.0 1682.0 View list
4 1150142293 Opperman, C (Caden) 5 5.0 5 0 0 100.0 1406.8 425.0 1831.8 View list
5 1150149949 Oberholzer, M (Milan) 5 3.0 3 0 2 60.0 1475.5 85.0 1560.5 View list
6 1140136587 Fourie, J (John) 4 4.0 4 0 0 100.0 1345.4 425.0 1770.4 View list
7 1160148063 Marner, L (Loannes) 4 4.0 4 0 0 100.0 1514.4 425.0 1939.4 View list
8 1150148066 Muza, B (Benjamin) 4 3.0 3 0 1 75.0 1328.4 212.5 1540.9 View list
9 1150136956 Schimdt, S (Streicher) 3 3.0 3 0 0 100.0 1244.3 425.0 1669.3 View list
10 1140144676 Mpuru, J (Jk) 3 1.0 1 0 2 33.3 1263.7 -141.7 1122.1 View list
11 1140144672 Brewis, F (Fox) 2 2.0 2 0 0 100.0 1283.0 425.0 1708.0 View list
12 1150137727 Da Silva, N (Noah Clint) 2 2.0 2 0 0 100.0 1253.5 425.0 1678.5 View list
13 1150142294 Reddy, X (Xander) 2 2.0 2 0 0 100.0 1379.4 425.0 1804.4 View list
14 1150144675 Fritz, U (Ulysse) 2 1.0 1 0 1 50.0 1514.0 0.0 1514.0 View list
15 1160148876 Prins, K (Kai) 2 1.0 1 0 1 50.0 1529.7 0.0 1529.7 View list
16 1140136966 Van Staden, P (Pearson) 2 0.0 0 0 2 0.0 1283.0 -425.0 858.0 View list
17 2150139113 Van Wyk, F (Faith) 2 0.0 0 0 2 0.0 1253.5 -425.0 828.5 View list
18 1120148058 Cronje, Z (Zac) 1 1.0 1 0 0 100.0 1254.7 425.0 1679.7 View list
19 2150148828 Chaonwa, N (Natalie) 1 1.0 1 0 0 100.0 1333.8 425.0 1758.8 View list
20 2140159141 Cathi, B (Beunielle) 1 1.0 1 0 0 100.0 1376.8 425.0 1801.8 View list