Player Page

Van Niekerk, JH (Johann)
Dob: 2010/01/11 (U16)
Gender: Male
Chess SA id: 1100108080
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/03/17 (175 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 rating1238.3
Current Weighted rating1297.5
Current Weighted performance1026.4
Current official/published rating (highest between Raw, WR and WP)1297.5
Current highest rating achieved1354.0
Current floor (min rating allowed)854.0
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)±157.0
Current Raw change used (final)0.0
Projected new Raw rating1238.3
Projected new Weighed rating1193.0
Projected new Weighted performance1026.4
Projected new final Raw rating (if new WP > new Raw)1238.3
Projected new highest rating1354.0
Projected new floor854.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1238.3
Projected effective change (new Official - current Official)-59.2
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 rating1210.5
Current Weighted rating1283.2
Current Weighted performance1054.5
Current official/published rating (highest between Raw, WR and WP)1283.2
Current highest rating achieved1352.4
Current floor (min rating allowed)852.4
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)±163.4
Current Raw change used (final)0.0
Projected new Raw rating1210.5
Projected new Weighed rating1179.6
Projected new Weighted performance1054.5
Projected new final Raw rating (if new WP > new Raw)1210.5
Projected new highest rating1352.4
Projected new floor852.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1210.5
Projected effective change (new Official - current Official)-72.7
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 rating1250.6
Current Weighted rating1250.9
Current Weighted performance982.6
Current official/published rating (highest between Raw, WR and WP)1250.9
Current highest rating achieved1280.1
Current floor (min rating allowed)780.1
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)±154.3
Current Raw change used (final)0.0
Projected new Raw rating1250.6
Projected new Weighed rating1150.9
Projected new Weighted performance982.6
Projected new final Raw rating (if new WP > new Raw)1250.6
Projected new highest rating1280.1
Projected new floor780.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1250.6
Projected effective change (new Official - current Official)-0.3
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
2 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 6 1.0 1311.0 1299.8 Analysis
1 North District School Trials 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1354.0 1352.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
33 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 6 1.0 1311.0 1299.8 Analysis
32 North District School Trials 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1354.0 1352.4 Analysis
31 Western Cape PS Individuals 2023 (U13 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1332.2 1330.1 Analysis
30 Cape Town Open 2023 (U14) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1317.6 1280.1 Analysis
29 Laerskool Welgemoed Rapid 2023 (U14) 2023/02/11 2023/02/11 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1276.8 1246.3 Analysis
28 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1317.6 1292.7 Analysis
27 North District School Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1276.8 1259.6 Analysis
26 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 6 4.0 1247.7 1226.1 Analysis
25 Curro Durbanville Chess Open Rapid 2022 (U14) 2022/07/02 2022/07/02 Cape Town (WCT) Rapid 25 0.54 6 5 2.0 1249.6 1251.0 Analysis
24 Stellenberg Chess Championship 2022 (U14) 2022/06/25 2022/06/25 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1270.1 1277.3 Analysis
23 WP Closed 2022 (U14) 2022/06/16 2022/06/16 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1270.1 1223.2 Analysis
22 Western Cape Schools 2022 (U13 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 3.0 1253.6 1192.2 Analysis
21 Metro WP Schools Chess Trials 2022 (U13 Boys) 2022/04/22 2022/04/23 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1254.2 1187.2 Analysis
20 District North 2022 (U13) 2022/03/05 2022/03/05 Cape Town (WCT) Rapid 30 0.60 6 6 4.5 1225.9 1228.7 Analysis
19 Western Province Open 2022 (U14) 2022/02/26 2022/02/27 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1223.3 1198.0 Analysis
18 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U14) 2022/02/19 2022/02/19 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1223.3 1216.8 Analysis
17 Western Cape Schools 2021 (U11 Boys) 2021/10/23 2021/10/23 Overberg (WOS) Rapid 35 0.66 5 5 2.5 1195.0 1181.2 Analysis
16 CWP Youth Day Rapid 2021 (U12) 2021/06/16 2021/06/16 Cape Town (WCT) Rapid 25 0.54 5 5 2.0 1198.7 1184.0 Analysis
15 2020 Metro Trials (U11 Boys) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1195.7 1199.8 Analysis
14 2020 Welgemoed Chess Challenge (U12) 2020/02/29 2020/02/29 Cape Town (WCT) Rapid 30 0.60 5 5 2.5 1219.6 1184.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 2 2 7 3.0 27.3 -193.2 1236.7 1043.5
White 6 2 1 3 2.5 41.7 -70.8 1218.0 1147.2
Black 5 0 1 4 0.5 10.0 -340.0 1259.1 919.1
Standard All 11 2 2 7 3.0 27.3 -193.2 1236.7 1043.5
White 6 2 1 3 2.5 41.7 -70.8 1218.0 1147.2
Black 5 0 1 4 0.5 10.0 -340.0 1259.1 919.1
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 183 89 6 88 92.0 50.3 2.3 1238.1 1240.4
White 95 50 3 42 51.5 54.2 35.8 1230.9 1266.7
Black 88 39 3 46 40.5 46.0 -33.8 1246.0 1212.1
Standard All 124 60 2 62 61.0 49.2 -6.9 1241.9 1235.0
White 64 33 1 30 33.5 52.3 19.9 1238.1 1258.0
Black 60 27 1 32 27.5 45.8 -35.4 1246.0 1210.5
Rapid All 59 29 4 26 31.0 52.5 21.6 1230.2 1251.8
White 31 17 2 12 18.0 58.1 68.5 1216.0 1284.6
Black 28 12 2 14 13.0 46.4 -30.4 1245.9 1215.6
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 209093030 Pretorius, A (Amanda Karen) 3 0.5 0 1 2 16.7 1251.9 -283.3 968.6 View list
2 110094681 Meyer, M (Matthew) 3 0.0 0 0 3 0.0 1260.2 -425.0 835.2 View list
3 109093041 Steininger, A (Alexander) 3 0.0 0 0 3 0.0 1243.7 -425.0 818.7 View list
4 1110097519 Beech, K (Kael) 2 2.0 2 0 0 100.0 1186.2 425.0 1611.2 View list
5 1110150421 Faure, D (Douglas) 2 2.0 2 0 0 100.0 1297.2 425.0 1722.2 View list
6 2100138514 Hastig, A (Amamkele) 2 2.0 2 0 0 100.0 1258.9 425.0 1683.9 View list
7 1100101906 Hollander, M (Matthew) 2 2.0 2 0 0 100.0 1202.5 425.0 1627.5 View list
8 1130100496 Maritz, J (Jean) 2 2.0 2 0 0 100.0 1198.5 425.0 1623.5 View list
9 2120114045 Wilson, EM (Emlyn) 2 2.0 2 0 0 100.0 1199.3 425.0 1624.3 View list
10 1100106471 Arafat, S (Salah) 2 1.0 1 0 1 50.0 1178.3 0.0 1178.3 View list
11 2100109061 Ebrahim, N (Nabeelah) 2 1.0 1 0 1 50.0 1211.0 0.0 1211.0 View list
12 1110131083 Priestley, L (Liam) 2 1.0 1 0 1 50.0 1297.2 0.0 1297.2 View list
13 1090109869 Priestley, L (Logan) 2 1.0 1 0 1 50.0 1234.6 0.0 1234.6 View list
14 2100101931 Bothma, T (Teagan) 2 0.5 0 1 1 25.0 1219.6 -212.5 1007.1 View list
15 2100108077 Coetzee, K (Kara) 2 0.0 0 0 2 0.0 1226.6 -425.0 801.6 View list
16 1090097018 Degueldre, J (Jean-Christian) 2 0.0 0 0 2 0.0 1207.7 -425.0 782.7 View list
17 109082671 Goliath, Q (Quinn) 2 0.0 0 0 2 0.0 1207.7 -425.0 782.7 View list
18 1100097517 Gous, L (Luka) 2 0.0 0 0 2 0.0 1179.1 -425.0 754.1 View list
19 2100109060 Makhasi, A (Athule) 2 0.0 0 0 2 0.0 1270.4 -425.0 845.4 View list
20 1120106747 Melzer, E (Elisha) 2 0.0 0 0 2 0.0 1156.3 -425.0 731.3 View list