Player Page

Herder, J (Jovanne)
Dob: 2004/03/30 (Adult)
Gender: Male
Chess SA id: 104086077
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/02/15 (120 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 rating1308.4
Current Weighted rating1281.5
Current Weighted performance1215.2
Current official/published rating (highest between Raw, WR and WP)1308.4
Current highest rating achieved1308.4
Current floor (min rating allowed)808.4
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)±142.1
Current Raw change used (final)0.0
Projected new Raw rating1308.4
Projected new Weighed rating1180.2
Projected new Weighted performance1215.2
Projected new final Raw rating (if new WP > new Raw)1308.4
Projected new highest rating1308.4
Projected new floor808.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1308.4
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 rating1251.7
Current Weighted rating1240.2
Current Weighted performance986.7
Current official/published rating (highest between Raw, WR and WP)1251.7
Current highest rating achieved1265.1
Current floor (min rating allowed)765.1
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)±154.0
Current Raw change used (final)0.0
Projected new Raw rating1251.7
Projected new Weighed rating1141.3
Projected new Weighted performance986.7
Projected new final Raw rating (if new WP > new Raw)1251.7
Projected new highest rating1265.1
Projected new floor765.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1251.7
Projected effective change (new Official - current Official)=0.0
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 rating1069.8
Current Weighted rating1013.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1069.8
Current highest rating achieved1069.8
Current floor (min rating allowed)569.8
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)±199.6
Current Raw change used (final)0.0
Projected new Raw rating1069.8
Projected new Weighed rating936.0
Projected new Weighted performance767.4
Projected new final Raw rating (if new WP > new Raw)1069.8
Projected new highest rating1069.8
Projected new floor569.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1069.8
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 rating1007.8
Current Weighted rating938.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1007.8
Current highest rating achieved1007.8
Current floor (min rating allowed)507.8
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)±218.0
Current Raw change used (final)0.0
Projected new Raw rating1007.8
Projected new Weighed rating865.1
Projected new Weighted performance796.9
Projected new final Raw rating (if new WP > new Raw)1007.8
Projected new highest rating1007.8
Projected new floor507.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1007.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 2.0 1305.2 943.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
22 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 2.0 1305.2 943.0 Analysis
21 Western Cape Closed Championship 2023 (D) 2023/09/24 2023/09/25 Cape Town (WCT) Standard 90 0.94 6 6 3.5 1255.1 1216.1 Analysis
20 Western Cape Closed Championship 2023 (Blitz) 2023/09/23 2023/09/25 Cape Town (WCT) Blitz 7 0.23 7 7 2.5 1255.1 873.8 Analysis
19 Cape Town Junior Chess League Finals 2023 (U20A) 2023/09/16 2023/09/16 Cape Town (WCT) Rapid 25 0.54 7 6 2.5 1255.1 1009.0 Analysis
18 WP Club League 2023 (B) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 4 2.0 1255.1 1216.1 Analysis
17 Cape Town Junior Chess League - Round 1 2023 (U20) 2023/07/22 2023/07/22 Cape Town (WCT) Rapid 25 0.54 7 7 4.0 1225.2 873.8 Analysis
16 Western Cape Club Championship 2022 (Tier 2) 2022/10/07 2022/10/09 Cape Town (WCT) Standard 65 0.85 6 6 1.0 1255.8 1265.1 Analysis
15 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 4 1.5 1255.8 1265.1 Analysis
14 2022 Western Province Club League (B) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 4 1.0 1255.8 1265.1 Analysis
13 Metro North Individual Trials 2020 (U17) 2020/02/07 2020/02/08 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1192.5 1188.4 Analysis
12 2019 Western Province League (C) 2019/07/27 2019/09/07 Cape Town (WCT) Standard 120 1.00 11 1 0.0 1199.7 1196.7 Analysis
11 2019 Western Province League (E) 2019/07/27 2019/08/10 Cape Town (WCT) Standard 60 0.83 9 8 4.0 1205.4 1207.1 Analysis
10 2019 Elsies River Open (Open) 2019/06/22 2019/06/23 Cape Town (WCT) Standard 70 0.87 6 5 3.0 1176.2 1172.7 Analysis
9 2019 Western Province Open (Open) 2019/05/25 2019/05/26 Cape Town (WCT) Standard 70 0.87 6 6 3.5 1172.7 1166.3 Analysis
8 Crossroads Open Chess Championship 2019 (C) 2019/04/27 2019/04/28 Cape Town (WCT) Standard 70 0.87 6 6 3.5 1181.1 1176.3 Analysis
7 Metro School Chess Closed Individual Trials 2019 (U15 Boys) 2019/03/01 2019/03/02 Cape Town (WCT) Standard 60 0.83 6 6 2.5 1131.3 1158.6 Analysis
6 District North Schools Chess Trials 2019 (U15) 2019/01/25 2019/01/26 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1036.7 1046.6 Analysis
5 2018 Western Province League (D) 2018/08/04 2018/09/15 Cape Town (WCT) Standard 90 0.94 11 4 1.0 961.1 957.0 Analysis
4 2018 Western Province League (E) 2018/08/04 2018/09/15 Cape Town (WCT) Standard 60 0.83 7 4 3.0 961.1 957.0 Analysis
3 Grassy Park Open 2018 (B) 2018/06/29 2018/07/01 Cape Town (WCT) Standard 90 0.94 6 0 0.0 961.1 957.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 7 2 0 5 2.0 28.6 -182.1 1629.7 1447.5
White 4 0 0 4 0.0 0.0 -425.0 1752.4 1327.4
Black 3 2 0 1 2.0 66.7 141.7 1466.0 1607.7
Standard 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
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 7 2 0 5 2.0 28.6 -182.1 1629.7 1447.5
White 4 0 0 4 0.0 0.0 -425.0 1752.4 1327.4
Black 3 2 0 1 2.0 66.7 141.7 1466.0 1607.7
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 115 50 12 53 56.0 48.7 -11.1 1270.0 1258.9
White 55 22 7 26 25.5 46.4 -30.9 1259.6 1228.7
Black 60 28 5 27 30.5 50.8 7.1 1279.5 1286.6
Standard All 88 40 10 38 45.0 51.1 9.7 1200.3 1209.9
White 40 18 5 17 20.5 51.3 10.6 1160.2 1170.8
Black 48 22 5 21 24.5 51.0 8.9 1233.6 1242.5
Rapid All 13 6 1 6 6.5 50.0 0.0 1424.9 1424.9
White 7 3 1 3 3.5 50.0 0.0 1401.5 1401.5
Black 6 3 0 3 3.0 50.0 0.0 1452.2 1452.2
Blitz All 14 4 1 9 4.5 32.1 -151.8 1564.2 1412.5
White 8 1 1 6 1.5 18.8 -265.6 1632.2 1366.6
Black 6 3 0 3 3.0 50.0 0.0 1473.6 1473.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 106092062 Ncethelo, B (Bongolethu) 3 0.0 0 0 3 0.0 1228.8 -425.0 803.8 View list
2 1070119933 Waguta, B (Brooklyn) 2 1.5 1 1 0 75.0 1174.5 212.5 1387.0 View list
3 100086060 Adams, K (Keenan) 2 0.5 0 1 1 25.0 1027.4 -212.5 814.9 View list
4 186041832 Visagie, C (Cheslin) 2 0.5 0 1 1 25.0 1213.9 -212.5 1001.4 View list
5 106087912 Lielieveld, F (Franco) 2 0.0 0 0 2 0.0 1240.2 -425.0 815.2 View list
6 205053638 Palmer, ZE (Zante) 2 0.0 0 0 2 0.0 1039.9 -425.0 614.9 View list
7 1620106239 Abrahams, A (Abraham) 1 1.0 1 0 0 100.0 961.1 425.0 1386.1 View list
8 102059385 Booysen, C (Conwill) 1 1.0 1 0 0 100.0 961.1 425.0 1386.1 View list
9 171085148 Ariefdien, B (Bertram) 1 1.0 1 0 0 100.0 1176.2 425.0 1601.2 View list
10 202058944 Blankenberg, T (Taylon) 1 1.0 1 0 0 100.0 1192.5 425.0 1617.5 View list
11 2050140608 Coetzee, C (Chelsy) 1 1.0 1 0 0 100.0 1225.2 425.0 1650.2 View list
12 107086056 Copley, H (Hugh) 1 1.0 1 0 0 100.0 824.7 425.0 1249.7 View list
13 1860114057 Cunningham, L (Lezerick) 1 1.0 1 0 0 100.0 1255.1 425.0 1680.1 View list
14 175005989 Daniels, G (George) 1 1.0 1 0 0 100.0 1176.2 425.0 1601.2 View list
15 1040108429 Davids, A (Ashur) 1 1.0 1 0 0 100.0 1131.3 425.0 1556.3 View list
16 1030131052 Davids, A (Ashwin) 1 1.0 1 0 0 100.0 1192.5 425.0 1617.5 View list
17 104007000 De Wit, PJ (Petrie) 1 1.0 1 0 0 100.0 1036.7 425.0 1461.7 View list
18 1070100470 Dyani, L (Lukhanyo) 1 1.0 1 0 0 100.0 1181.1 425.0 1606.1 View list
19 206077315 Gardener, A (Angelique) 1 1.0 1 0 0 100.0 873.8 425.0 1298.8 View list
20 207090606 Gcuze, K (Khanya) 1 1.0 1 0 0 100.0 1255.1 425.0 1680.1 View list