Player Page

Potgieter, E (Edward)
Dob: 2008/12/08 (U18)
Gender: Male
Chess SA id: 108076196
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/06/02 (18 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 rating1885.3
Current Weighted rating1812.3
Current Weighted performance1823.1
Current official/published rating (highest between Raw, WR and WP)1885.3
Current highest rating achieved1897.5
Current floor (min rating allowed)1397.5
Current K-factor24
Games played this month5
Score (S)3.5
Expected score (We)1.76
Difference (S-We)1.44
Current Raw change (no limits, including tournament time weight)34.7
Current min/max change allowed (with limits)±62.5
Current Raw change used (final)34.7
Projected new Raw rating1920.0
Projected new Weighed rating1670.2
Projected new Weighted performance1945.1
Projected new final Raw rating (if new WP > new Raw)1945.1
Projected new highest rating1945.1
Projected new floor1445.1
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1945.1
Projected effective change (new Official - current Official)+59.8
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 rating1888.5
Current Weighted rating1811.4
Current Weighted performance1823.1
Current official/published rating (highest between Raw, WR and WP)1888.5
Current highest rating achieved1893.8
Current floor (min rating allowed)1393.8
Current K-factor24
Games played this month5
Score (S)3.5
Expected score (We)1.73
Difference (S-We)1.77
Current Raw change (no limits, including tournament time weight)42.5
Current min/max change allowed (with limits)±62.2
Current Raw change used (final)42.5
Projected new Raw rating1931.0
Projected new Weighed rating1669.2
Projected new Weighted performance1945.1
Projected new final Raw rating (if new WP > new Raw)1945.1
Projected new highest rating1945.1
Projected new floor1445.1
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1945.1
Projected effective change (new Official - current Official)+56.6
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 rating1667.2
Current Weighted rating1364.8
Current Weighted performance1706.9
Current official/published rating (highest between Raw, WR and WP)1706.9
Current highest rating achieved1667.2
Current floor (min rating allowed)1167.2
Current K-factor28
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)±85.2
Current Raw change used (final)0.0
Projected new Raw rating1667.2
Projected new Weighed rating1265.9
Projected new Weighted performance1706.9
Projected new final Raw rating (if new WP > new Raw)1706.9
Projected new highest rating1706.9
Projected new floor1206.9
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1706.9
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 rating1629.4
Current Weighted rating1529.6
Current Weighted performance1484.3
Current official/published rating (highest between Raw, WR and WP)1629.4
Current highest rating achieved1629.4
Current floor (min rating allowed)1129.4
Current K-factor28
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)±89.9
Current Raw change used (final)0.0
Projected new Raw rating1629.4
Projected new Weighed rating1411.4
Projected new Weighted performance1484.3
Projected new final Raw rating (if new WP > new Raw)1629.4
Projected new highest rating1629.4
Projected new floor1129.4
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1629.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: JMC Trinityhouse Little Falls 2024 (A)
Start: 2024/06/02  End: 2024/06/02  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1885.3  Rating gain/loss: 34.7
Type rating: 1888.5  Rating gain/loss: 42.5
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
10 JMC Trinityhouse Little Falls 2024 (A) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1885.3 1888.5 Analysis
9 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1897.5 1893.8 Analysis
8 South African Junior Closed Chess Championship 2024 (U16 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 6.0 1897.5 1893.8 Analysis
7 2024 KSNG CHess Academy Open Tournament (Prestige) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1883.8 1875.3 Analysis
6 2024 Lubowski Open Chess Tournament (A) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1895.8 1883.2 Analysis
5 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1890.3 1889.7 Analysis
4 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 2.0 1890.3 1593.2 Analysis
3 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1821.9 1821.3 Analysis
2 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1821.9 1821.3 Analysis
1 Cape Town Masters Challenge 2024 (Masters) 2024/01/03 2024/01/07 Cape Town (WCT) Standard 120 1.00 9 9 5.5 1821.9 1821.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
129 JMC Trinityhouse Little Falls 2024 (A) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1885.3 1888.5 Analysis
128 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1897.5 1893.8 Analysis
127 South African Junior Closed Chess Championship 2024 (U16 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 6.0 1897.5 1893.8 Analysis
126 2024 KSNG CHess Academy Open Tournament (Prestige) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1883.8 1875.3 Analysis
125 2024 Lubowski Open Chess Tournament (A) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1895.8 1883.2 Analysis
124 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1890.3 1889.7 Analysis
123 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 2.0 1890.3 1593.2 Analysis
122 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1821.9 1821.3 Analysis
121 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1821.9 1821.3 Analysis
120 Cape Town Masters Challenge 2024 (Masters) 2024/01/03 2024/01/07 Cape Town (WCT) Standard 120 1.00 9 9 5.5 1821.9 1821.3 Analysis
119 Mzansi Summer Blitz 2023 2023/12/09 2023/12/09 Johannesburg Metro (GJM) Rapid 10 0.29 7 7 4.0 1799.9 1272.0 Analysis
118 Mzansi Bryanston Rapid 2023 (Advanced) 2023/10/07 2023/10/07 Johannesburg Metro (GJM) Rapid 25 0.54 5 5 3.0 1800.0 1218.0 Analysis
117 Helpmekaar Kollege Blitz Chess Invitational Sep 2023 2023/09/16 2023/09/16 Johannesburg Metro (GJM) Blitz 8 0.25 9 8 7.0 1812.1 1493.0 Analysis
116 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 6 3.5 1812.1 1151.6 Analysis
115 Shlosspark Open 2023 2023/08/24 2023/08/27 Germany (GER) Standard 150 1.00 7 7 3.5 1734.7 1726.5 Analysis
114 Lichtenberg Summer 2023 2023/08/12 2023/08/20 Germany (GER) Standard 150 1.00 9 8 5.0 1734.7 1726.5 Analysis
113 Bautzener Türme Open A 2023 2023/08/08 2023/08/13 Germany (GER) Standard 150 1.00 9 8 4.5 1734.7 1726.5 Analysis
112 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 2023/07/30 2023/07/30 Johannesburg Metro (GJM) Blitz 8 0.25 7 7 6.0 1743.6 1436.3 Analysis
111 JMC Trinity Little Falls 2023 (A) 2023/07/02 2023/07/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1743.6 1742.2 Analysis
110 JNW Open - Trinityhouse Little Falls 2023 (A) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1754.5 1750.0 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 58 27 16 15 35.0 60.3 87.9 1849.7 1937.6
White 30 18 9 3 22.5 75.0 212.5 1819.3 2031.8
Black 28 9 7 12 12.5 44.6 -45.5 1882.2 1836.7
Standard All 53 26 14 13 33.0 62.3 104.2 1826.4 1930.6
White 27 18 7 2 21.5 79.6 251.9 1787.8 2039.6
Black 26 8 7 11 11.5 44.2 -49.0 1866.5 1817.4
Rapid All 5 1 2 2 2.0 40.0 -85.0 2096.3 2011.3
White 3 0 2 1 1.0 33.3 -141.7 2102.5 1960.9
Black 2 1 0 1 1.0 50.0 0.0 2086.8 2086.8
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 764 367 112 285 423.0 55.4 45.6 1476.7 1522.3
White 381 193 65 123 225.5 59.2 78.1 1469.2 1547.3
Black 383 174 47 162 197.5 51.6 13.3 1484.2 1497.5
Standard All 650 297 103 250 348.5 53.6 30.7 1472.3 1503.0
White 324 159 57 108 187.5 57.9 66.9 1463.5 1530.3
Black 326 138 46 142 161.0 49.4 -5.2 1481.0 1475.8
Rapid All 28 16 3 9 17.5 62.5 106.3 1673.1 1779.3
White 15 8 3 4 9.5 63.3 113.3 1606.2 1719.5
Black 13 8 0 5 8.0 61.5 98.1 1750.2 1848.3
Blitz All 86 54 6 26 57.0 66.3 138.4 1446.5 1584.9
White 42 26 5 11 28.5 67.9 151.8 1464.8 1616.6
Black 44 28 1 15 28.5 64.8 125.6 1429.1 1554.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 110086011 Felix, R (Raphael) 10 5.5 5 1 4 55.0 1531.3 42.5 1573.8 View list
2 107069948 Jones, W (William) 9 6.0 5 2 2 66.7 1524.7 141.7 1666.3 View list
3 101023373 Mlahleki, V (Vusimuzi) 8 0.0 0 0 8 0.0 1724.5 -425.0 1299.5 View list
4 1080103221 Nwedo, K (Khodani) 7 5.5 5 1 1 78.6 1665.9 242.9 1908.8 View list
5 108064021 Coetsee, D (Dewald) 7 3.5 3 1 3 50.0 1541.9 0.0 1541.9 View list
6 109086379 Jacobs, CN (Calvin Nicholas) 7 3.5 3 1 3 50.0 1506.4 0.0 1506.4 View list
7 109069454 Sathish, A (Abinavah) 7 2.0 0 4 3 28.6 1592.8 -182.1 1410.7 View list
8 108064849 Ziegenhagen, V (Vian Luke) 6 4.5 4 1 1 75.0 1511.2 212.5 1723.7 View list
9 106053297 Govender, S (Shevern) 6 3.0 2 2 2 50.0 1440.6 0.0 1440.6 View list
10 108061372 Baruch, L (Liam) 6 2.0 0 4 2 33.3 1334.6 -141.7 1193.0 View list
11 101050584 Mazibuko, K (Khanya) 6 1.0 1 0 5 16.7 1680.3 -283.3 1397.0 View list
12 108079781 Soojay, J (Jorah) 6 0.5 0 1 5 8.3 1507.1 -354.2 1152.9 View list
13 103022974 Mhango, BF (Banele) 6 0.0 0 0 6 0.0 1745.4 -425.0 1320.4 View list
14 207082268 Badenhorst, C (Chloe) 5 3.5 3 1 1 70.0 1394.6 170.0 1564.6 View list
15 1070104078 Price, DR (Daelen) 5 3.0 2 2 1 60.0 1656.4 85.0 1741.4 View list
16 185028656 Oatlhotse, P (Providence) 5 1.5 1 1 3 30.0 1768.8 -170.0 1598.8 View list
17 184027327 Nene, TH (Themba) 5 1.0 1 0 4 20.0 1630.8 -255.0 1375.8 View list
18 107092639 Simpson, M (Michael) 5 1.0 0 2 3 20.0 1596.1 -255.0 1341.1 View list
19 101015487 Khumalo, KB (Keith) 5 0.0 0 0 5 0.0 1752.4 -425.0 1327.4 View list
20 184019054 Mabusela, JM (Johannes) 5 0.0 0 0 5 0.0 1744.2 -425.0 1319.2 View list