Player Page

Pieterse, R (Ronan)
Dob: 2006/11/08 (U20)
Gender: Male
Chess SA id: 1060108574
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (48 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 rating1311.4
Current Weighted rating1295.7
Current Weighted performance1282.8
Current official/published rating (highest between Raw, WR and WP)1311.4
Current highest rating achieved1345.1
Current floor (min rating allowed)845.1
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)±141.5
Current Raw change used (final)0.0
Projected new Raw rating1311.4
Projected new Weighed rating1192.9
Projected new Weighted performance1282.8
Projected new final Raw rating (if new WP > new Raw)1311.4
Projected new highest rating1345.1
Projected new floor845.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1311.4
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 rating1314.0
Current Weighted rating1298.7
Current Weighted performance1282.8
Current official/published rating (highest between Raw, WR and WP)1314.0
Current highest rating achieved1340.8
Current floor (min rating allowed)840.8
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)±141.0
Current Raw change used (final)0.0
Projected new Raw rating1314.0
Projected new Weighed rating1195.4
Projected new Weighted performance1282.8
Projected new final Raw rating (if new WP > new Raw)1314.0
Projected new highest rating1340.8
Projected new floor840.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1314.0
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 rating1070.0
Current Weighted rating1070.0
Current Weighted performance891.5
Current official/published rating (highest between Raw, WR and WP)1070.0
Current highest rating achieved1146.0
Current floor (min rating allowed)646.0
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 rating1070.0
Projected new Weighed rating984.4
Projected new Weighted performance891.5
Projected new final Raw rating (if new WP > new Raw)1070.0
Projected new highest rating1146.0
Projected new floor646.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1070.0
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 rating1173.6
Current Weighted rating1173.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1173.6
Current highest rating achieved1173.6
Current floor (min rating allowed)673.6
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)±172.2
Current Raw change used (final)0.0
Projected new Raw rating1173.6
Projected new Weighed rating1079.7
Projected new Weighted performance337.1
Projected new final Raw rating (if new WP > new Raw)1173.6
Projected new highest rating1173.6
Projected new floor673.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1173.6
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Eden Top Schools 2024 (U18 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 2.0 1311.4 1314.0 Analysis
3 Eden School Chess Trials 1 2024 (U18 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 2.5 1317.4 1320.8 Analysis
2 Hessequa Skole Proewe 2 2024 (U18 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 3.5 1291.7 1292.4 Analysis
1 Hessequa Proewe 1 2024 (U18 Boys) 2024/01/27 2024/01/27 Eden District (WEG) Standard 60 0.83 5 5 3.0 1289.6 1293.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
34 Eden Top Schools 2024 (U18 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 2.0 1311.4 1314.0 Analysis
33 Eden School Chess Trials 1 2024 (U18 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 2.5 1317.4 1320.8 Analysis
32 Hessequa Skole Proewe 2 2024 (U18 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 3.5 1291.7 1292.4 Analysis
31 Hessequa Proewe 1 2024 (U18 Boys) 2024/01/27 2024/01/27 Eden District (WEG) Standard 60 0.83 5 5 3.0 1289.6 1293.1 Analysis
30 Western Cape Club Championships 2023 (Tier 2) 2023/10/21 2023/10/22 Eden District (WEG) Standard 65 0.85 5 5 2.5 1256.6 1256.7 Analysis
29 Eden Trials 2+3 2023 (U18) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 6 2.5 1263.5 1268.6 Analysis
28 Eden Trails 1 2023 (U17 Boys) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 2.0 1299.7 1316.8 Analysis
27 Hessequa Proewe 2 2023 (O17 Seuns) 2023/02/11 2023/02/11 Eden District (WEG) Standard 60 0.83 5 5 4.0 1269.5 1286.9 Analysis
26 Hessequa Proewe 1 2023 (O17 Seuns) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 5 3.0 1259.3 1284.0 Analysis
25 VGK 2022 (Rapid Open) 2022/11/12 2022/11/12 Eden District (WEG) Rapid 17 0.42 6 6 2.5 1258.3 1046.4 Analysis
24 VGK 2022 (Blitz) 2022/11/12 2022/11/12 Eden District (WEG) Blitz 5 0.18 6 6 2.5 1258.3 1200.0 Analysis
23 Hessequa Ontwikkeling 2022 (Hoerskole) 2022/10/22 2022/10/22 Eden District (WEG) Rapid 30 0.60 5 5 2.5 1289.4 1082.0 Analysis
22 Albertinia Chess Club Closed 1 2022 (Open) 2022/09/10 2022/09/10 Eden District (WEG) Rapid 25 0.54 6 6 4.0 1273.7 1059.2 Analysis
21 Eden Topskole 2022 (O18 Ope) 2022/08/13 2022/08/13 Eden District (WEG) Standard 60 0.83 5 3 2.0 1272.8 1285.4 Analysis
20 Knysna Oyster Festival Rapid Chess 2022 (A) 2022/07/02 2022/07/02 Eden District (WEG) Rapid 30 0.60 5 5 1.0 1300.4 1146.0 Analysis
19 Eden Proewe 2 2022 (O18 Seuns) 2022/04/09 2022/04/09 Eden District (WEG) Standard 65 0.85 5 5 2.5 1332.2 1320.3 Analysis
18 Eden Proewe 1 2022 (O18 Seuns) 2022/03/12 2022/03/12 Eden District (WEG) Standard 65 0.85 5 5 3.5 1330.4 1316.7 Analysis
17 Hessequa Proewe 1 2022 (O18 Seuns) 2022/01/29 2022/01/29 Eden District (WEG) Standard 65 0.85 5 5 3.0 1345.1 1335.8 Analysis
16 Western Cape Club Championships 2021 (C) 2021/10/15 2021/10/17 Eden District (WEG) Standard 65 0.85 5 5 3.0 1344.6 1340.8 Analysis
15 Eden Proewe 2021 (O15 Seuns) 2021/10/15 2021/10/15 Eden District (WEG) Rapid 30 0.60 5 5 2.5 1344.6 1200.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 10 2 8 11.0 55.0 42.5 1313.3 1355.8
White 10 4 1 5 4.5 45.0 -42.5 1335.8 1293.3
Black 10 6 1 3 6.5 65.0 127.5 1290.8 1418.3
Standard All 20 10 2 8 11.0 55.0 42.5 1313.3 1355.8
White 10 4 1 5 4.5 45.0 -42.5 1335.8 1293.3
Black 10 6 1 3 6.5 65.0 127.5 1290.8 1418.3
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 181 89 27 65 102.5 56.6 56.4 1230.7 1287.0
White 91 46 12 33 52.0 57.1 60.7 1250.0 1310.7
Black 90 43 15 32 50.5 56.1 51.9 1211.1 1263.1
Standard All 148 77 21 50 87.5 59.1 77.5 1218.1 1295.7
White 74 38 9 27 42.5 57.4 63.2 1238.1 1301.2
Black 74 39 12 23 45.0 60.8 91.9 1198.2 1290.1
Rapid All 27 10 5 12 12.5 46.3 -31.5 1262.6 1231.1
White 13 7 3 3 8.5 65.4 130.8 1269.7 1400.5
Black 14 3 2 9 4.0 28.6 -182.1 1256.0 1073.9
Blitz All 6 2 1 3 2.5 41.7 -70.8 1396.1 1325.3
White 4 1 0 3 1.0 25.0 -212.5 1407.0 1194.5
Black 2 1 1 0 1.5 75.0 212.5 1374.3 1586.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1060108575 Pietersen, E (Enzalin) 8 3.5 1 5 2 43.8 1263.4 -53.1 1210.3 View list
2 107088314 Manho, L (Leancon) 5 0.0 0 0 5 0.0 1280.9 -425.0 855.9 View list
3 106088320 Groenewald, C (Curlin) 4 2.5 2 1 1 62.5 1293.4 106.3 1399.7 View list
4 106055788 Sefoor, J (Jordan) 4 2.0 0 4 0 50.0 1319.3 0.0 1319.3 View list
5 104055802 Sefoor, F (Fayden) 3 2.5 2 1 0 83.3 1335.9 283.3 1619.2 View list
6 107089396 Valentine, J (Jaden) 3 1.5 1 1 1 50.0 1290.7 0.0 1290.7 View list
7 107083837 Daniels, R (Reuben) 3 0.5 0 1 2 16.7 1271.3 -283.3 988.0 View list
8 206088319 Andrews, K (Kaylin) 2 2.0 2 0 0 100.0 1213.3 425.0 1638.3 View list
9 106065421 Burgess, J (Jaydelan-Waytt) 2 2.0 2 0 0 100.0 1234.7 425.0 1659.7 View list
10 1070108559 Kiewiet, M (Melvin) 2 2.0 2 0 0 100.0 1279.5 425.0 1704.5 View list
11 107055598 Moller, R (Ruan) 2 2.0 2 0 0 100.0 1234.7 425.0 1659.7 View list
12 1070191741 Vaaltyn, B (Benedict) 2 2.0 2 0 0 100.0 1290.7 425.0 1715.7 View list
13 104040032 Van Loggerenberg, P (Pierre) 2 2.0 2 0 0 100.0 1331.3 425.0 1756.3 View list
14 106086419 Le Roux, N (Nicolaas) 2 1.5 1 1 0 75.0 1304.0 212.5 1516.5 View list
15 1060109429 Campher, L (Luwiaan) 2 1.0 1 0 1 50.0 1331.3 0.0 1331.3 View list
16 108078116 Eksteen, L (Leigh Quin) 2 1.0 1 0 1 50.0 1275.0 0.0 1275.0 View list
17 107055783 Heynse, A (Armando) 2 1.0 1 0 1 50.0 1258.4 0.0 1258.4 View list
18 1070132018 Jacobs, P (Pernell) 2 1.0 1 0 1 50.0 1290.5 0.0 1290.5 View list
19 206083980 Losper, S (Simone) 2 1.0 1 0 1 50.0 1236.8 0.0 1236.8 View list
20 1070148865 Micheals, D (Dihogen) 2 1.0 1 0 1 50.0 1261.4 0.0 1261.4 View list