Player Page

Coetzee, JS (Jurgen)
Dob: 1986/10/14 (Adult)
Gender: Male
Chess SA id: 186005213
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (26 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 rating1420.0
Curent Weighted rating1410.6
Curent Weighted performance1261.8
Current official/published rating (highest between Raw, WR and WP)1420.0
Current floor (min rating allowed)980.6
Current highest rating achieved1480.6
Current K-factor32
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)±121.2
Current Raw change used (final)0.0
Projected new Raw rating1420.0
Projected new Weighed rating1410.7
Projected new Weighted performance1261.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1420.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1480.6
Projected new floor980.6
Projected new K-facor32
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 rating1380.2
Curent Weighted rating1395.1
Curent Weighted performance1129.6
Current official/published rating (highest between Raw, WR and WP)1395.1
Current floor (min rating allowed)993.2
Current highest rating achieved1493.2
Current K-factor32
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)±128.3
Current Raw change used (final)0.0
Projected new Raw rating1380.2
Projected new Weighed rating1393.1
Projected new Weighted performance1129.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1393.1
Projected effective change (new Official - current Official)-2.0
Projected new highest rating1493.2
Projected new floor993.2
Projected new K-facor32
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 rating1356.0
Curent Weighted rating1384.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1384.5
Current floor (min rating allowed)935.0
Current highest rating achieved1435.0
Current K-factor32
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)±132.8
Current Raw change used (final)0.0
Projected new Raw rating1356.0
Projected new Weighed rating1382.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1382.1
Projected effective change (new Official - current Official)-2.4
Projected new highest rating1435.0
Projected new floor935.0
Projected new K-facor32
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 rating1343.8
Curent Weighted rating1343.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1343.9
Current floor (min rating allowed)935.0
Current highest rating achieved1435.0
Current K-factor32
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)±135.1
Current Raw change used (final)0.0
Projected new Raw rating1343.8
Projected new Weighed rating1343.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1343.8
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1435.0
Projected new floor935.0
Projected new K-facor32
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Waboomskraal Chess Club Open 2024 2024/04/06 2024/04/06 Eden District (WEG) Rapid 20 0.47 7 7 4.0 1398.0 1387.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Waboomskraal Chess Club Open 2024 2024/04/06 2024/04/06 Eden District (WEG) Rapid 20 0.47 7 7 4.0 1398.0 1387.0 Analysis
14 Eden Chess Union League 2023 (Premier Division) 2023/11/11 2023/11/11 Eden District (WEG) Standard 60 0.83 5 5 2.0 1416.6 1406.4 Analysis
13 George Open 2022 (A) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 5 1.5 1433.3 1426.6 Analysis
12 WCCA Rural Cup 2022 (Open) 2022/08/13 2022/08/14 Overberg (WOS) Standard 60 0.83 5 4 0.5 1438.6 1433.6 Analysis
11 South African Open 2022 (Blitz) 2022/07/14 2022/07/14 Cape Town (WCT) Blitz 5 0.18 10 10 4.0 1465.4 1387.0 Analysis
10 WCCA Rural Cup Blitz 2022 2022/07/12 2022/07/12 Overberg (WOS) Blitz 5 0.18 5 4 3.0 1465.4 1387.0 Analysis
9 South African Open 2022 (B) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 6.0 1465.4 1463.4 Analysis
8 George Open 2022 (A) 2022/06/11 2022/06/11 Eden District (WEG) Standard 65 0.85 5 5 3.0 1456.2 1451.9 Analysis
7 Steinitz Open 2022 (B) 2022/05/20 2022/05/22 Cape Town (WCT) Standard 90 0.94 6 6 3.5 1452.6 1456.1 Analysis
6 Eden Open 2022 (A) 2022/04/22 2022/04/24 Eden District (WEG) Standard 65 0.85 6 5 1.5 1480.6 1489.7 Analysis
5 Western Cape Club Championships 2021 (B) 2021/10/15 2021/10/17 Eden District (WEG) Standard 65 0.85 6 6 3.0 1477.3 1493.2 Analysis
4 Oudtshoorn Open 2018 2018/06/29 2018/06/30 Eden District (WEG) Standard 60 0.83 6 6 3.0 1413.6 1421.2 Analysis
3 King Cars PECC Grand Prix Third Leg 2018 2018/06/22 2018/06/24 Nelson Mandela Bay (ENM) Standard 92 0.94 6 6 4.0 1413.6 1421.2 Analysis
2 Pacaltsdorp Chess Club Open 2018 (A) 2018/05/25 2018/05/26 Eden District (WEG) Standard 60 0.83 6 6 4.5 1387.0 1387.0 Analysis
1 Calitzdorp Ope 2018 2018/05/05 2018/05/05 Eden District (WEG) Standard 60 0.83 5 2 1.0 1387.0 1387.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 7 4 0 3 4.0 57.1 60.7 1521.4 1582.1
White 4 1 0 3 1.0 25.0 -212.5 1564.8 1352.3
Black 3 3 0 0 3.0 100.0 425.0 1463.5 1888.5
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 7 4 0 3 4.0 57.1 60.7 1521.4 1582.1
White 4 1 0 3 1.0 25.0 -212.5 1564.8 1352.3
Black 3 3 0 0 3.0 100.0 425.0 1463.5 1888.5
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 88 41 7 40 44.5 50.6 4.8 1462.8 1467.6
White 45 19 4 22 21.0 46.7 -28.3 1489.7 1461.4
Black 43 22 3 18 23.5 54.7 39.5 1434.7 1474.2
Standard All 67 30 7 30 33.5 50.0 0.0 1449.5 1449.5
White 34 15 4 15 17.0 50.0 0.0 1454.6 1454.6
Black 33 15 3 15 16.5 50.0 0.0 1444.2 1444.2
Rapid All 7 4 0 3 4.0 57.1 60.7 1521.4 1582.1
White 4 1 0 3 1.0 25.0 -212.5 1564.8 1352.3
Black 3 3 0 0 3.0 100.0 425.0 1463.5 1888.5
Blitz All 14 7 0 7 7.0 50.0 0.0 1497.2 1497.2
White 7 3 0 4 3.0 42.9 -60.7 1617.1 1556.4
Black 7 4 0 3 4.0 57.1 60.7 1377.3 1438.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 101048780 Campher, K (Keegan) 3 0.5 0 1 2 16.7 1439.9 -283.3 1156.5 View list
2 190019285 Mafanya, K (Kulasande) 3 0.0 0 0 3 0.0 1404.7 -425.0 979.7 View list
3 188013950 Jantjies, J (Jason) 2 2.0 2 0 0 100.0 1444.8 425.0 1869.8 View list
4 1050106566 Makaula, V (Vumankosi) 2 2.0 2 0 0 100.0 1465.4 425.0 1890.4 View list
5 1000099302 Davids, W (Welesley) 2 1.5 1 1 0 75.0 1400.3 212.5 1612.8 View list
6 104093014 Manuel, C (Conner) 2 1.0 1 0 1 50.0 1465.4 0.0 1465.4 View list
7 1760106183 Botes, R (Renier) 2 0.0 0 0 2 0.0 1407.3 -425.0 982.3 View list
8 180043087 Wilson, RP (Reginald) 2 0.0 0 0 2 0.0 1435.9 -425.0 1010.9 View list
9 1940135839 Beck, T (Thilo) 1 1.0 1 0 0 100.0 1465.4 425.0 1890.4 View list
10 101066740 Banks, DA (Delano) 1 1.0 1 0 0 100.0 1413.6 425.0 1838.6 View list
11 1050118884 Baadjies, L (Lando) 1 1.0 1 0 0 100.0 1416.6 425.0 1841.6 View list
12 176000817 Arries, HJ (Henry Jacobus) 1 1.0 1 0 0 100.0 1413.6 425.0 1838.6 View list
13 101088359 Adams, L (Leonard) 1 1.0 1 0 0 100.0 1477.3 425.0 1902.3 View list
14 107078359 Davids, R (Rafael) 1 1.0 1 0 0 100.0 1465.4 425.0 1890.4 View list
15 164009064 Esau, O (Omar) 1 1.0 1 0 0 100.0 1452.6 425.0 1877.6 View list
16 207077374 Frosler, J (Jordan) 1 1.0 1 0 0 100.0 1413.6 425.0 1838.6 View list
17 199012035 Hattingh, K (Krishna) 1 1.0 1 0 0 100.0 1387.0 425.0 1812.0 View list
18 1060138411 Harmse, D (Deon) 1 1.0 1 0 0 100.0 1465.4 425.0 1890.4 View list
19 1090150037 Hone, R (Ryan) 1 1.0 1 0 0 100.0 1398.0 425.0 1823.0 View list
20 183060789 Johnson, A (Azriel) 1 1.0 1 0 0 100.0 1387.0 425.0 1812.0 View list