Player Page

Opperman, N (Naude)
Dob: 2014/10/01 (U12)
Gender: Male
Chess SA id: 1140134624
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (37 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
Curent Raw rating1396.5
Curent Weighted rating1403.5
Curent Weighted performance1277.7
Current official/published rating (highest between Raw, WR and WP)1403.5
Current floor (min rating allowed)935.7
Current highest rating achieved1435.7
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)±125.3
Current Raw change used (final)0.0
Projected new Raw rating1396.5
Projected new Weighed rating1403.8
Projected new Weighted performance1277.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1403.8
Projected effective change (new Official - current Official)+0.3
Projected new highest rating1435.7
Projected new floor935.7
Projected new K-facor32
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
Curent Raw rating1393.8
Curent Weighted rating1414.5
Curent Weighted performance1261.4
Current official/published rating (highest between Raw, WR and WP)1414.5
Current floor (min rating allowed)948.2
Current highest rating achieved1448.2
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)±125.8
Current Raw change used (final)0.0
Projected new Raw rating1393.8
Projected new Weighed rating1414.1
Projected new Weighted performance1261.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1414.1
Projected effective change (new Official - current Official)-0.5
Projected new highest rating1448.2
Projected new floor948.2
Projected new K-facor32
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
Curent Raw rating1296.9
Curent Weighted rating1258.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1296.9
Current floor (min rating allowed)796.9
Current highest rating achieved1296.9
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)±144.4
Current Raw change used (final)0.0
Projected new Raw rating1296.9
Projected new Weighed rating1261.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1296.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1296.9
Projected new floor796.9
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)796.9
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor796.9
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Ekurhuleni Open 2024 (C) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1431.3 1443.1 Analysis
2 Kempton Park Cluster Individuals 2024 (U11 Boys) 2024/03/02 2024/03/02 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.5 1435.7 1274.2 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1414.6 1422.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 Ekurhuleni Open 2024 (C) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1431.3 1443.1 Analysis
24 Kempton Park Cluster Individuals 2024 (U11 Boys) 2024/03/02 2024/03/02 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.5 1435.7 1274.2 Analysis
23 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1414.6 1422.0 Analysis
22 Ekurhuleni North Chess Club 2023 (C) 2023/12/09 2023/12/09 Ekurhuleni (GE) Rapid 30 0.60 7 7 5.0 1395.4 1224.9 Analysis
21 2023 Ekurhuleni North District Schools Finals (U11) 2023/07/29 2023/07/29 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1411.9 1448.2 Analysis
20 Ekurhuleni Chess Trial 3 2023 (U10) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1429.0 1425.3 Analysis
19 Primrose Rapid 2023 (Grade 5-7) 2023/06/10 2023/06/10 Ekurhuleni (GE) Rapid 20 0.47 5 5 2.0 1429.0 1258.4 Analysis
18 Ekurhuleni North Schools Individual Finals 2023 (U9 Boys) 2023/05/12 2023/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1385.0 1385.4 Analysis
17 Ekurhuleni Trials 2 2023 (U10) 2023/04/22 2023/04/22 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1388.7 1393.1 Analysis
16 Alberton Chess Club Tournament 1 2023 (C) 2023/04/15 2023/04/15 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1388.7 1393.1 Analysis
15 Ekhuruleni Chess Trials 1 2023 (U8+U10) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 4 4.0 1354.2 1353.1 Analysis
14 2022 South African Junior Team Chess Championships (U10 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 2.5 1377.9 1376.1 Analysis
13 ACB Tournament 2022 (B) 2022/10/08 2022/10/08 Ekurhuleni (GE) Standard 60 0.83 5 3 1.0 1407.1 1412.3 Analysis
12 Ekurhuleni Chess Springs Club Open 2022 (E) 2022/09/03 2022/09/03 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1356.6 1346.9 Analysis
11 2022 Gauteng Schools Team Championships (U9 Open) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1365.0 1349.1 Analysis
10 Ekurhuleni-North Schools Teams 2022 (U9) 2022/08/06 2022/08/06 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1365.0 1349.1 Analysis
9 ACB Invitation Chess Tournament 2022 (U9) 2022/06/11 2022/06/11 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1336.7 1317.0 Analysis
8 RMS Swiss For Rating of Players 2022 (U9) 2022/05/28 2022/05/28 Ekurhuleni (GE) Rapid 30 0.60 7 5 4.0 1259.3 1200.0 Analysis
7 Ekurhuleni-North Schools Finals Indiv 2022 (U9 Boys) 2022/05/13 2022/05/13 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1259.3 1250.5 Analysis
6 Ekurhuleni Trials 1 2022 (U10) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 62 0.84 5 5 3.0 1230.9 1240.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 7 2 5 8.0 57.1 60.7 1313.2 1373.9
White 7 4 1 2 4.5 64.3 121.4 1341.0 1462.4
Black 7 3 1 3 3.5 50.0 0.0 1285.3 1285.3
Standard All 9 4 1 4 4.5 50.0 0.0 1367.6 1367.6
White 5 4 0 1 4.0 80.0 255.0 1382.2 1637.2
Black 4 0 1 3 0.5 12.5 -318.8 1349.3 1030.5
Rapid All 5 3 1 1 3.5 70.0 170.0 1215.2 1385.2
White 2 0 1 1 0.5 25.0 -212.5 1238.0 1025.5
Black 3 3 0 0 3.0 100.0 425.0 1200.0 1625.0
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 128 76 10 42 81.0 63.3 112.9 1245.5 1358.4
White 65 41 3 21 42.5 65.4 130.8 1248.8 1379.5
Black 63 35 7 21 38.5 61.1 94.4 1242.1 1336.5
Standard All 106 62 9 35 66.5 62.7 108.3 1243.7 1352.0
White 53 36 2 15 37.0 69.8 168.4 1243.8 1412.2
Black 53 26 7 20 29.5 55.7 48.1 1243.7 1291.8
Rapid All 22 14 1 7 14.5 65.9 135.2 1253.8 1389.0
White 12 5 1 6 5.5 45.8 -35.4 1270.5 1235.1
Black 10 9 0 1 9.0 90.0 340.0 1233.7 1573.7
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 1140112260 Pillay, J (Joshua) 3 1.0 1 0 2 33.3 1200.8 -141.7 1059.1 View list
2 1130135701 Van Loggerenberg, E (Elandre) 3 1.0 1 0 2 33.3 1320.3 -141.7 1178.7 View list
3 1140139617 Pieterse, F (Fourie) 3 0.0 0 0 3 0.0 1336.4 -425.0 911.4 View list
4 2130139605 Bensch, I (Ivanka) 2 2.0 2 0 0 100.0 1312.2 425.0 1737.2 View list
5 1150142638 Els, L (Luan) 2 2.0 2 0 0 100.0 1306.8 425.0 1731.8 View list
6 1130139611 Jordaan, M (Mikijl) 2 2.0 2 0 0 100.0 1201.2 425.0 1626.2 View list
7 1140142643 Ngongolo, Z (Zanothando) 2 2.0 2 0 0 100.0 1298.0 425.0 1723.0 View list
8 1140141575 Stroebel, L (Ludrik) 2 2.0 2 0 0 100.0 1408.8 425.0 1833.8 View list
9 1140151776 Venter, L (Luan) 2 2.0 2 0 0 100.0 1369.6 425.0 1794.6 View list
10 1140136330 Kay, N (Noah) 2 1.5 1 1 0 75.0 1309.8 212.5 1522.3 View list
11 1130140133 Cronje, A (Anru) 2 1.0 1 0 1 50.0 1312.2 0.0 1312.2 View list
12 1110144411 Ngcongolo, T (Thamsanqa) 2 1.0 1 0 1 50.0 1419.2 0.0 1419.2 View list
13 1130139620 Theron, F (Francois) 2 1.0 1 0 1 50.0 1321.4 0.0 1321.4 View list
14 1150158312 Brancato, S (Sebastian) 1 1.0 1 0 0 100.0 1414.6 425.0 1839.6 View list
15 1140153029 Botha, S (Sebastian) 1 1.0 1 0 0 100.0 1429.0 425.0 1854.0 View list
16 1110145736 Castelyn, D (Dean) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
17 1130142637 De Lange, Z (Zanco) 1 1.0 1 0 0 100.0 1336.7 425.0 1761.7 View list
18 2080106510 De Lange, C (Charend) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
19 1110191326 De Carvalho Jeromimo, S (Sebastio) 1 1.0 1 0 0 100.0 1395.4 425.0 1820.4 View list
20 1140137652 Aikman, D (Desmond Gustav) 1 1.0 1 0 0 100.0 1230.9 425.0 1655.9 View list