Player Page

Pienaar, I (Ian)
Dob: 2009/05/23 (U16)
Gender: Male
Chess SA id: 109090787
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2023/05/19 (361 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 rating1314.1
Curent Weighted rating1310.2
Curent Weighted performance1061.1
Current official/published rating (highest between Raw, WR and WP)1314.1
Current floor (min rating allowed)814.1
Current highest rating achieved1314.1
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)±140.9
Current Raw change used (final)0.0
Projected new Raw rating1314.1
Projected new Weighed rating1310.8
Projected new Weighted performance1061.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1314.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1314.1
Projected new floor814.1
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 rating1302.4
Curent Weighted rating1302.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1302.4
Current floor (min rating allowed)802.4
Current highest rating achieved1302.4
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)±143.3
Current Raw change used (final)0.0
Projected new Raw rating1302.4
Projected new Weighed rating1302.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1302.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1302.4
Projected new floor802.4
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 rating1259.6
Curent Weighted rating1255.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1259.6
Current floor (min rating allowed)759.6
Current highest rating achieved1259.6
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)±152.3
Current Raw change used (final)0.0
Projected new Raw rating1259.6
Projected new Weighed rating1256.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1259.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1259.6
Projected new floor759.6
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 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)759.6
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 floor759.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Gauteng Open Arnold Classic 2023 (U16) 2023/05/19 2023/05/19 Tshwane (GTP) Rapid 30 0.60 5 5 3.5 1296.2 1242.0 Analysis
5 Ekurhuleni Trials 2 2022 (U14) 2022/05/28 2022/05/28 Ekurhuleni (GE) Standard 62 0.84 5 5 4.0 1252.4 1250.6 Analysis
4 Ekurhuleni Trials 1 2022 (U14) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 62 0.84 5 5 3.5 1229.4 1223.6 Analysis
3 JNW Trinityhouse LF 2022 (Contenders) 2022/03/12 2022/03/12 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1214.2 1200.0 Analysis
2 2019 Super 12 Laerskole (Juniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 4.0 1187.3 1180.4 Analysis
1 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 30 18 5 7 20.5 68.3 155.8 1189.1 1344.9
White 15 8 4 3 10.0 66.7 141.7 1212.7 1354.4
Black 15 10 1 4 10.5 70.0 170.0 1165.4 1335.4
Standard All 15 10 1 4 10.5 70.0 170.0 1213.2 1383.2
White 7 5 1 1 5.5 78.6 242.9 1190.1 1432.9
Black 8 5 0 3 5.0 62.5 106.3 1233.4 1339.6
Rapid All 15 8 4 3 10.0 66.7 141.7 1164.9 1306.6
White 8 3 3 2 4.5 56.3 53.1 1232.5 1285.6
Black 7 5 1 1 5.5 78.6 242.9 1087.8 1330.6
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 2090136909 Rowlston, S (Sofia) 1 1.0 1 0 0 100.0 1214.2 425.0 1639.2 View list
2 1090155616 Onyia, K (Kabelo) 1 1.0 1 0 0 100.0 1296.2 425.0 1721.2 View list
3 1100141425 Nkoane, P (Pontsho) 1 1.0 1 0 0 100.0 1252.4 425.0 1677.4 View list
4 1100110363 Nel, D (Dawid) 1 1.0 1 0 0 100.0 1187.3 425.0 1612.3 View list
5 1110155602 Monwa, B (Bokang) 1 1.0 1 0 0 100.0 1296.2 425.0 1721.2 View list
6 2090135221 Monteiro Correia, M (Maya) 1 1.0 1 0 0 100.0 1252.4 425.0 1677.4 View list
7 1100118105 Maharaj, M (Mihiir) 1 1.0 1 0 0 100.0 1229.4 425.0 1654.4 View list
8 109079720 Lange, J (Jean-Luc) 1 1.0 1 0 0 100.0 1252.4 425.0 1677.4 View list
9 210091697 Botha, A (Andrea) 1 1.0 1 0 0 100.0 1214.2 425.0 1639.2 View list
10 1110133758 Bloem, J (James) 1 1.0 1 0 0 100.0 1214.2 425.0 1639.2 View list
11 1100107816 Dippenaar, KR (Keanu Roy) 1 1.0 1 0 0 100.0 1229.4 425.0 1654.4 View list
12 2100097359 Bothma, J (Jaculene) 1 1.0 1 0 0 100.0 1229.4 425.0 1654.4 View list
13 1100118121 Stoltz, DJ (Duncan Johan) 1 1.0 1 0 0 100.0 1252.4 425.0 1677.4 View list
14 1090101051 Swart, A (Arno) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1100108261 Theron, J (Jayden) 1 1.0 1 0 0 100.0 1187.3 425.0 1612.3 View list
16 110089426 Van Der Walt, AJ (Antonie) 1 1.0 1 0 0 100.0 1187.3 425.0 1612.3 View list
17 1100155641 Whitehead, A (Alexander) 1 1.0 1 0 0 100.0 1296.2 425.0 1721.2 View list
18 2090114748 Zwane, P (Precious) 1 1.0 1 0 0 100.0 1187.3 425.0 1612.3 View list
19 209093436 Botha, M (Mariska) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
20 108089799 Nel, L (Liam) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list