Player Page

De Villiers, J (Jean-Pierre)
Dob: 2011/03/22 (U14)
Gender: Male
Chess SA id: 1110151144
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/10/05 (47 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 rating1273.0
Current Weighted rating1248.5
Current Weighted performance1202.8
Current official/published rating (highest between Raw, WR and WP)1273.0
Current highest rating achieved1280.8
Current floor (min rating allowed)780.8
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)±149.4
Current Raw change used (final)0.0
Projected new Raw rating1273.0
Projected new Weighed rating1150.0
Projected new Weighted performance1202.8
Projected new final Raw rating (if new WP > new Raw)1273.0
Projected new highest rating1280.8
Projected new floor780.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1273.0
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 rating1197.1
Current Weighted rating1199.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.8
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)±166.5
Current Raw change used (final)0.0
Projected new Raw rating1197.1
Projected new Weighed rating1103.8
Projected new Weighted performance403.5
Projected new final Raw rating (if new WP > new Raw)1197.1
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)1197.1
Projected effective change (new Official - current Official)-2.7
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 rating1331.1
Current Weighted rating1280.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1331.1
Current highest rating achieved1331.1
Current floor (min rating allowed)831.1
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)±137.6
Current Raw change used (final)0.0
Projected new Raw rating1331.1
Projected new Weighed rating1180.8
Projected new Weighted performance1156.9
Projected new final Raw rating (if new WP > new Raw)1331.1
Projected new highest rating1331.1
Projected new floor831.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1331.1
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
3 Grant East Annual Primary School Invitational Chess Tournament 2024 (U13) 2024/10/05 2024/10/05 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1280.8 1200.0 Analysis
2 Rhenish PS Tournament 2024 (U14) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 27 0.57 6 6 4.0 1256.6 1295.1 Analysis
1 Mary-Anne Bartels Closed Chess Tournament 2024 (U13 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 4.0 1220.7 1236.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Grant East Annual Primary School Invitational Chess Tournament 2024 (U13) 2024/10/05 2024/10/05 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1280.8 1200.0 Analysis
5 Rhenish PS Tournament 2024 (U14) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 27 0.57 6 6 4.0 1256.6 1295.1 Analysis
4 Mary-Anne Bartels Closed Chess Tournament 2024 (U13 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 4.0 1220.7 1236.8 Analysis
3 Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 30 0.60 6 0 0.0 1220.7 1236.8 Analysis
2 Stellenbosch Primary Chess Tournament 2023 (U14) 2023/08/19 2023/08/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1190.2 1182.0 Analysis
1 Mary-Anne Bartels Chess Tournament 2023 (U13) 2023/02/21 2023/02/21 Cape Town (WCT) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 16 10 0 6 10.0 62.5 106.3 1284.9 1391.2
White 8 6 0 2 6.0 75.0 212.5 1291.8 1504.3
Black 8 4 0 4 4.0 50.0 0.0 1278.1 1278.1
Standard All 5 2 0 3 2.0 40.0 -85.0 1315.4 1230.4
White 2 1 0 1 1.0 50.0 0.0 1343.5 1343.5
Black 3 1 0 2 1.0 33.3 -141.7 1296.6 1155.0
Rapid All 11 8 0 3 8.0 72.7 193.2 1271.1 1464.3
White 6 5 0 1 5.0 83.3 283.3 1274.5 1557.9
Black 5 3 0 2 3.0 60.0 85.0 1267.0 1352.0
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 27 16 0 11 16.0 59.3 78.7 1258.2 1336.9
White 13 9 0 4 9.0 69.2 163.5 1261.8 1425.3
Black 14 7 0 7 7.0 50.0 0.0 1254.8 1254.8
Standard All 5 2 0 3 2.0 40.0 -85.0 1315.4 1230.4
White 2 1 0 1 1.0 50.0 0.0 1343.5 1343.5
Black 3 1 0 2 1.0 33.3 -141.7 1296.6 1155.0
Rapid All 22 14 0 8 14.0 63.6 115.9 1245.2 1361.1
White 11 8 0 3 8.0 72.7 193.2 1247.0 1440.2
Black 11 6 0 5 6.0 54.5 38.6 1243.4 1282.1
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 1120118992 Van Zyl, F (Frede) 2 2.0 2 0 0 100.0 1238.7 425.0 1663.7 View list
2 1110138769 Naude, C (Cilan) 2 1.0 1 0 1 50.0 1210.3 0.0 1210.3 View list
3 1100147479 Khumalo, M (Mthulisi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 2110305464 Hendon, H (Hay-Lee) 1 1.0 1 0 0 100.0 1256.6 425.0 1681.6 View list
5 1110156928 Daniels, C (Cee-Jay) 1 1.0 1 0 0 100.0 1256.6 425.0 1681.6 View list
6 1110118934 Boshoff, M (Matthew) 1 1.0 1 0 0 100.0 1190.2 425.0 1615.2 View list
7 2120138744 Bolton, A (Alyssa) 1 1.0 1 0 0 100.0 1220.7 425.0 1645.7 View list
8 1110193386 Naidu, P (Preyan) 1 1.0 1 0 0 100.0 1280.8 425.0 1705.8 View list
9 1100151154 Smith, A (Alto) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2110113425 Saul, R (Rebekah) 1 1.0 1 0 0 100.0 1190.2 425.0 1615.2 View list
11 1110140738 Roux, A (Adriaan) 1 1.0 1 0 0 100.0 1190.2 425.0 1615.2 View list
12 1110118939 Pritchard, A (Aaron) 1 1.0 1 0 0 100.0 1280.8 425.0 1705.8 View list
13 1110138740 Amoraal, B (Benyamin) 1 1.0 1 0 0 100.0 1220.7 425.0 1645.7 View list
14 2100161523 Asekum, F (Fumni) 1 1.0 1 0 0 100.0 1190.2 425.0 1615.2 View list
15 1110145671 Wongama, A (Achumile) 1 1.0 1 0 0 100.0 1256.6 425.0 1681.6 View list
16 1120150098 Arendse, V (Virgil) 1 0.0 0 0 1 0.0 1280.8 -425.0 855.8 View list
17 1100147494 Petersen, M (Mathew) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1120151135 Onyire, P (Prince) 1 0.0 0 0 1 0.0 1280.8 -425.0 855.8 View list
19 1120147443 Niemann, J (Jandre) 1 0.0 0 0 1 0.0 1280.8 -425.0 855.8 View list
20 1120140730 Malherbe, J (Jeevan) 1 0.0 0 0 1 0.0 1256.6 -425.0 831.6 View list