Player Page

Wolfaardt, J (John Eduan)
Dob: 2008/03/04 (U18)
Gender: Male
Chess SA id: 1080139932
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (7 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 rating1511.4
Current Weighted rating1450.1
Current Weighted performance1461.0
Current official/published rating (highest between Raw, WR and WP)1511.4
Current highest rating achieved1531.6
Current floor (min rating allowed)1031.6
Current K-factor32
Games played this month7
Score (S)2.0
Expected score (We)4.41
Difference (S-We)-2.27
Current Raw change (no limits, including tournament time weight)-72.5
Current min/max change allowed (with limits)±106.4
Current Raw change used (final)-72.5
Projected new Raw rating1438.9
Projected new Weighed rating1337.8
Projected new Weighted performance1377.1
Projected new final Raw rating (if new WP > new Raw)1438.9
Projected new highest rating1531.6
Projected new floor1031.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1438.9
Projected effective change (new Official - current Official)-72.5
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 rating1513.4
Current Weighted rating1446.6
Current Weighted performance1461.0
Current official/published rating (highest between Raw, WR and WP)1513.4
Current highest rating achieved1534.2
Current floor (min rating allowed)1034.2
Current K-factor32
Games played this month7
Score (S)2.0
Expected score (We)4.41
Difference (S-We)-2.41
Current Raw change (no limits, including tournament time weight)-77.1
Current min/max change allowed (with limits)±106.1
Current Raw change used (final)-77.1
Projected new Raw rating1436.3
Projected new Weighed rating1334.8
Projected new Weighted performance1377.1
Projected new final Raw rating (if new WP > new Raw)1436.3
Projected new highest rating1534.2
Projected new floor1034.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1436.3
Projected effective change (new Official - current Official)-77.1
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 rating1190.4
Current Weighted rating1190.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1190.4
Current highest rating achieved1190.4
Current floor (min rating allowed)690.4
Current K-factor40
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)±168.1
Current Raw change used (final)0.0
Projected new Raw rating1190.4
Projected new Weighed rating1095.2
Projected new Weighted performance319.8
Projected new final Raw rating (if new WP > new Raw)1190.4
Projected new highest rating1190.4
Projected new floor690.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1190.4
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
Tournament: 2024 Etienne Lewis (U18+U20)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 2.0
Main rating: 1511.4  Rating gain/loss: -72.5
Type rating: 1513.4  Rating gain/loss: -77.1
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
9 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1511.4 1513.4 Analysis
8 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1489.6 1484.6 Analysis
7 2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1501.3 1497.1 Analysis
6 District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) 2024/05/06 2024/05/06 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1501.3 1497.1 Analysis
5 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1531.6 1534.2 Analysis
4 2024 Tshwane Chess AHS Open Chess Tournament (C2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1415.8 1416.2 Analysis
3 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1415.8 1416.2 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (C1) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1406.2 1401.8 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1406.2 1401.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1511.4 1513.4 Analysis
23 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1489.6 1484.6 Analysis
22 2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1501.3 1497.1 Analysis
21 District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) 2024/05/06 2024/05/06 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1501.3 1497.1 Analysis
20 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1531.6 1534.2 Analysis
19 2024 Tshwane Chess AHS Open Chess Tournament (C2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1415.8 1416.2 Analysis
18 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1415.8 1416.2 Analysis
17 2024 Tshwane Chess OPEN Registration Tournament (C1) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1406.2 1401.8 Analysis
16 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1406.2 1401.8 Analysis
15 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1397.2 1384.2 Analysis
14 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 2.0 1397.2 1384.2 Analysis
13 2023 Tshwane North School District CLOSED League Championships (D3) (U17) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1397.2 1384.2 Analysis
12 Wynie Robbertse Open Tournament 2023 (C) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1397.2 1384.2 Analysis
11 2023 Tshwane North School District CLOSED Individual Championships (D3) (U15 Open) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1411.5 1400.5 Analysis
10 Silver Lakes Open Chess Tournament (C) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1426.1 1418.1 Analysis
9 Chris Greyling Open Tournament 2023 (C) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1356.8 1349.3 Analysis
8 2023 Afrikaans Hoër Seunskool Open Chess Tournament (C) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1356.8 1349.3 Analysis
7 2023 Piet Robbertse Fide Rated Open Chess Tournament (C) 2023/02/04 2023/02/05 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1264.0 1260.2 Analysis
6 2023 Tshwane Chess Open Registration Tournament (C2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1236.2 1224.9 Analysis
5 2022 South African Junior Team Chess Championships (U16 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 4.5 1192.6 1179.9 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 46 29 1 16 29.5 64.1 120.1 1332.2 1452.3
White 25 19 0 6 19.0 76.0 221.0 1342.8 1563.8
Black 21 10 1 10 10.5 50.0 0.0 1319.7 1319.7
Standard All 46 29 1 16 29.5 64.1 120.1 1332.2 1452.3
White 25 19 0 6 19.0 76.0 221.0 1342.8 1563.8
Black 21 10 1 10 10.5 50.0 0.0 1319.7 1319.7
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 119 69 7 43 72.5 60.9 92.9 1292.5 1385.4
White 58 38 4 16 40.0 69.0 161.2 1287.9 1449.1
Black 61 31 3 27 32.5 53.3 27.9 1296.8 1324.7
Standard All 114 67 6 41 70.0 61.4 96.9 1294.3 1391.3
White 56 38 3 15 39.5 70.5 174.6 1288.0 1462.5
Black 58 29 3 26 30.5 52.6 22.0 1300.5 1322.4
Rapid All 5 2 1 2 2.5 50.0 0.0 1250.6 1250.6
White 2 0 1 1 0.5 25.0 -212.5 1286.2 1073.7
Black 3 2 0 1 2.0 66.7 141.7 1226.9 1368.6
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 1060144844 Ngobeni, N (Njabulo) 3 1.0 1 0 2 33.3 1434.7 -141.7 1293.1 View list
2 1080115589 Van Niekerk, RM (Reuben Mentz) 3 0.0 0 0 3 0.0 1400.5 -425.0 975.5 View list
3 1090116741 Kekana, N (Neo) 2 2.0 2 0 0 100.0 1270.0 425.0 1695.0 View list
4 1080102523 Kruger, S (Stefan) 2 2.0 2 0 0 100.0 1344.8 425.0 1769.8 View list
5 210088596 Louw, N (Nova) 2 2.0 2 0 0 100.0 1310.4 425.0 1735.4 View list
6 1130130105 Slabbert, M (Marko) 2 2.0 2 0 0 100.0 1411.0 425.0 1836.0 View list
7 108045082 Koning, L (Lehan) 2 1.0 1 0 1 50.0 1298.8 0.0 1298.8 View list
8 1050146055 Mashigo, P (Paballo) 2 1.0 1 0 1 50.0 1298.0 0.0 1298.0 View list
9 2080096094 Padayachy, S (Shreya) 2 1.0 1 0 1 50.0 1463.6 0.0 1463.6 View list
10 1110140059 Tshetlhe, B (Blessing) 2 0.5 0 1 1 25.0 1345.0 -212.5 1132.5 View list
11 2120136659 Wiehahn, H (Hailey) 2 0.5 0 1 1 25.0 1391.4 -212.5 1178.9 View list
12 1080098516 Potgieter, A (Albert) 2 0.0 0 0 2 0.0 1316.7 -425.0 891.7 View list
13 1080148656 Acker, S (Steven) 1 1.0 1 0 0 100.0 1501.3 425.0 1926.3 View list
14 1120133903 Buchner, E (Emil) 1 1.0 1 0 0 100.0 1415.8 425.0 1840.8 View list
15 1060141606 Brummer, R (Renier) 1 1.0 1 0 0 100.0 1501.3 425.0 1926.3 View list
16 1090131247 Changara, A (Adrian Tafara) 1 1.0 1 0 0 100.0 1415.8 425.0 1840.8 View list
17 1910191611 Buthelezi, K (Kabelo) 1 1.0 1 0 0 100.0 1406.2 425.0 1831.2 View list
18 1070099941 Burger, I (Izak Ulrich) 1 1.0 1 0 0 100.0 1236.2 425.0 1661.2 View list
19 206001830 Bent, C (Cierra) 1 1.0 1 0 0 100.0 1397.2 425.0 1822.2 View list
20 1070141583 Augustyn, C (Colin) 1 1.0 1 0 0 100.0 1501.3 425.0 1926.3 View list