Player Page

Pieterse, JJ (Johan)
Dob: 2008/05/29 (U18)
Gender: Male
Chess SA id: 1080145431
FIDE id:
Region: Capricorn (LCP)
Citizen: RSA
Title(s):
Last active: 2024/04/27 (22 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 rating1343.0
Curent Weighted rating1253.0
Curent Weighted performance1357.1
Current official/published rating (highest between Raw, WR and WP)1343.0
Current floor (min rating allowed)843.0
Current highest rating achieved1343.0
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)±135.3
Current Raw change used (final)0.0
Projected new Raw rating1343.0
Projected new Weighed rating1261.3
Projected new Weighted performance1357.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1357.1
Projected effective change (new Official - current Official)+14.1
Projected new highest rating1343.0
Projected new floor843.0
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 rating1348.6
Curent Weighted rating1263.8
Curent Weighted performance1339.9
Current official/published rating (highest between Raw, WR and WP)1348.6
Current floor (min rating allowed)848.6
Current highest rating achieved1348.6
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)±134.2
Current Raw change used (final)0.0
Projected new Raw rating1348.6
Projected new Weighed rating1271.9
Projected new Weighted performance1339.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1348.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1348.6
Projected new floor848.6
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 rating1265.0
Curent Weighted rating1206.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1265.0
Current floor (min rating allowed)765.0
Current highest rating achieved1265.0
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)±151.1
Current Raw change used (final)0.0
Projected new Raw rating1265.0
Projected new Weighed rating1211.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1265.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1265.0
Projected new floor765.0
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)765.0
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 floor765.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 NABOOMSPAR Open Chess Tournament 2024 (Open) 2024/04/27 2024/04/27 Waterberg (LWM) Standard 60 0.83 5 5 3.0 1293.0 1312.8 Analysis
3 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 6 5.0 1293.0 1201.6 Analysis
2 Capricorn District Junior Qualifying 3 2024 (U18) 2024/03/09 2024/03/09 Capricorn (LCP) Standard 60 0.83 5 5 3.5 1260.4 1275.7 Analysis
1 Capricorn District Chess Junior Qualifying Tournament 2024 (U18) 2024/02/10 2024/02/10 Capricorn (LCP) Standard 60 0.83 5 5 3.0 1244.0 1256.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 NABOOMSPAR Open Chess Tournament 2024 (Open) 2024/04/27 2024/04/27 Waterberg (LWM) Standard 60 0.83 5 5 3.0 1293.0 1312.8 Analysis
6 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 6 5.0 1293.0 1201.6 Analysis
5 Capricorn District Junior Qualifying 3 2024 (U18) 2024/03/09 2024/03/09 Capricorn (LCP) Standard 60 0.83 5 5 3.5 1260.4 1275.7 Analysis
4 Capricorn District Chess Junior Qualifying Tournament 2024 (U18) 2024/02/10 2024/02/10 Capricorn (LCP) Standard 60 0.83 5 5 3.0 1244.0 1256.6 Analysis
3 NWU Super 16 2023 (B) 2023/04/21 2023/04/21 Gert Sibande (MGS) Rapid 30 0.60 7 6 3.5 1251.3 1200.0 Analysis
2 Capricorn Qualifying February 4th 2023 (U16) 2023/02/04 2023/02/04 Capricorn (LCP) Standard 60 0.83 5 5 3.5 1208.3 1208.4 Analysis
1 Capricorn Qualifying August 2022 (U16) 2022/08/20 2022/08/20 Capricorn (LCP) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 21 14 1 6 14.5 69.0 161.9 1259.2 1421.1
White 11 9 0 2 9.0 81.8 270.5 1261.2 1531.6
Black 10 5 1 4 5.5 55.0 42.5 1257.1 1299.6
Standard All 15 9 1 5 9.5 63.3 113.3 1295.7 1409.1
White 9 7 0 2 7.0 77.8 236.1 1300.3 1536.4
Black 6 2 1 3 2.5 41.7 -70.8 1288.9 1218.0
Rapid All 6 5 0 1 5.0 83.3 283.3 1167.9 1451.3
White 2 2 0 0 2.0 100.0 425.0 1085.2 1510.2
Black 4 3 0 1 3.0 75.0 212.5 1209.3 1421.8
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 37 23 3 11 24.5 66.2 137.8 1221.8 1359.6
White 19 15 1 3 15.5 81.6 268.4 1204.1 1472.5
Black 18 8 2 8 9.0 50.0 0.0 1240.4 1240.4
Standard All 25 15 2 8 16.0 64.0 119.0 1265.4 1384.4
White 14 12 0 2 12.0 85.7 303.6 1262.3 1565.9
Black 11 3 2 6 4.0 36.4 -115.9 1269.3 1153.3
Rapid All 12 8 1 3 8.5 70.8 177.1 1130.9 1308.0
White 5 3 1 1 3.5 70.0 170.0 1041.0 1211.0
Black 7 5 0 2 5.0 71.4 182.1 1195.1 1377.3
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 1080149446 Mowasa, M (Mohapi) 2 2.0 2 0 0 100.0 1252.2 425.0 1677.2 View list
2 108082047 Rampfumedzi, M (Mulanga) 2 0.0 0 0 2 0.0 1226.2 -425.0 801.2 View list
3 1060302246 Ndukuya, S (Siphesihle) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
4 1050154417 Bowles, B (Brandon) 1 1.0 1 0 0 100.0 1251.3 425.0 1676.3 View list
5 1080300695 Kgabo, N (Natile) 1 1.0 1 0 0 100.0 1260.4 425.0 1685.4 View list
6 1070302227 Kasselman, J (Johan) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
7 1070145422 Harry, S (Sean) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1090149426 Erasmus, G (Gideon) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
9 207086843 Mathete, TF (Francina) 1 1.0 1 0 0 100.0 1260.4 425.0 1685.4 View list
10 207083509 Martins, J (Jana) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
11 1080140790 Mkhawana, L (Lunghile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 1070116267 Maunatlala, ME (Eugene) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
13 210086794 Matladi, K (Karabo) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
14 1090096814 Matjee, L (Lebogang) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
15 108094853 Neethling, T (Tristan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1060140810 Nkgodi, T (Tiisetso) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
17 1080192369 Ramashilo, K (Kgotsofatso) 1 1.0 1 0 0 100.0 1244.0 425.0 1669.0 View list
18 1060154451 Tolmay, F (Frikkie George) 1 1.0 1 0 0 100.0 1251.3 425.0 1676.3 View list
19 1070192372 Van Der Merwe, D (Diedrik) 1 1.0 1 0 0 100.0 1244.0 425.0 1669.0 View list
20 1120302895 Van Der Merwe, K (Koos) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list