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: 2024/07/13 (14 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 rating1936.4
Current Weighted rating1825.1
Current Weighted performance1918.9
Current official/published rating (highest between Raw, WR and WP)1936.4
Current highest rating achieved1936.4
Current floor (min rating allowed)1436.4
Current K-factor24
Games played this month12
Score (S)8.5
Expected score (We)6.70
Difference (S-We)1.08
Current Raw change (no limits, including tournament time weight)25.9
Current min/max change allowed (with limits)±58.1
Current Raw change used (final)25.9
Projected new Raw rating1962.3
Projected new Weighed rating1682.3
Projected new Weighted performance1970.4
Projected new final Raw rating (if new WP > new Raw)1970.4
Projected new highest rating1970.4
Projected new floor1470.4
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1970.4
Projected effective change (new Official - current Official)+34.0
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 rating1945.9
Current Weighted rating1824.9
Current Weighted performance1918.9
Current official/published rating (highest between Raw, WR and WP)1945.9
Current highest rating achieved1945.9
Current floor (min rating allowed)1445.9
Current K-factor24
Games played this month5
Score (S)3.5
Expected score (We)2.60
Difference (S-We)0.90
Current Raw change (no limits, including tournament time weight)21.6
Current min/max change allowed (with limits)±57.3
Current Raw change used (final)21.6
Projected new Raw rating1967.5
Projected new Weighed rating1682.0
Projected new Weighted performance1972.4
Projected new final Raw rating (if new WP > new Raw)1972.4
Projected new highest rating1972.4
Projected new floor1472.4
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1972.4
Projected effective change (new Official - current Official)+26.5
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 rating1399.3
Current Weighted performance1683.6
Current official/published rating (highest between Raw, WR and WP)1683.6
Current highest rating achieved1667.2
Current floor (min rating allowed)1167.2
Current K-factor28
Games played this month7
Score (S)5.0
Expected score (We)3.14
Difference (S-We)1.86
Current Raw change (no limits, including tournament time weight)52.1
Current min/max change allowed (with limits)±85.2
Current Raw change used (final)52.1
Projected new Raw rating1719.3
Projected new Weighed rating1298.2
Projected new Weighted performance1811.6
Projected new final Raw rating (if new WP > new Raw)1811.6
Projected new highest rating1811.6
Projected new floor1311.6
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1811.6
Projected effective change (new Official - current Official)+128.0
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 rating1541.8
Current Weighted performance1462.9
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 rating1422.4
Projected new Weighted performance1462.9
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 Randpark Ridge 2024 (A)
Start: 2024/07/13  End: 2024/07/13  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1936.4  Rating gain/loss: 17.1
Type rating: 1945.9  Rating gain/loss: 21.6
Analysis
Tournament: JMC NG Weltevreden Church 2024
Start: 2024/06/29  End: 2024/06/29  Host: GJM  Type: Rapid   Time: 15  Time weight: 0.39  Rounds: 7
Games: 7  Score: 5.0
Main rating: 1936.4  Rating gain/loss: 8.8
Type rating: 1667.2  Rating gain/loss: 52.1
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
13 JMC Trinityhouse Randpark Ridge 2024 (A) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1936.4 1945.9 Analysis
12 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 5.0 1936.4 1667.2 Analysis
11 2024 African Youth Chess Championship 2024/06/16 2024/06/22 South Africa (RSA) Standard 120 1.00 9 9 5.0 1885.3 1888.5 Analysis
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
132 JMC Trinityhouse Randpark Ridge 2024 (A) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1936.4 1945.9 Analysis
131 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 5.0 1936.4 1667.2 Analysis
130 2024 African Youth Chess Championship 2024/06/16 2024/06/22 South Africa (RSA) Standard 120 1.00 9 9 5.0 1885.3 1888.5 Analysis
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
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 79 39 19 21 48.5 61.4 96.8 1851.3 1948.1
White 41 21 12 8 27.0 65.9 134.8 1840.6 1975.3
Black 38 18 7 13 21.5 56.6 55.9 1862.9 1918.8
Standard All 67 33 17 17 41.5 61.9 101.5 1835.2 1936.7
White 34 19 10 5 24.0 70.6 175.0 1819.5 1994.5
Black 33 14 7 12 17.5 53.0 25.8 1851.4 1877.2
Rapid All 12 6 2 4 7.0 58.3 70.8 1941.1 2012.0
White 7 2 2 3 3.0 42.9 -60.7 1943.1 1882.3
Black 5 4 0 1 4.0 80.0 255.0 1938.5 2193.5
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 785 379 115 291 436.5 55.6 47.6 1486.9 1534.5
White 392 196 68 128 230.0 58.7 73.7 1481.3 1555.0
Black 393 183 47 163 206.5 52.5 21.6 1492.5 1514.1
Standard All 664 304 106 254 357.0 53.8 32.0 1480.6 1512.6
White 331 160 60 111 190.0 57.4 62.9 1473.6 1536.5
Black 333 144 46 143 167.0 50.2 1.3 1487.6 1488.9
Rapid All 35 21 3 11 22.5 64.3 121.4 1704.5 1825.9
White 19 10 3 6 11.5 60.5 89.5 1651.9 1741.4
Black 16 11 0 5 11.0 68.8 159.4 1767.0 1926.4
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 101050584 Mazibuko, K (Khanya) 7 1.5 1 1 5 21.4 1716.9 -242.9 1474.1 View list
9 108064849 Ziegenhagen, V (Vian Luke) 6 4.5 4 1 1 75.0 1511.2 212.5 1723.7 View list
10 106053297 Govender, S (Shevern) 6 3.0 2 2 2 50.0 1440.6 0.0 1440.6 View list
11 108061372 Baruch, L (Liam) 6 2.0 0 4 2 33.3 1334.6 -141.7 1193.0 View list
12 108079781 Soojay, J (Jorah) 6 0.5 0 1 5 8.3 1507.0 -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