Player Page

Coetsee, D (Dewald)
Dob: 2008/05/21 (U18)
Gender: Male
Chess SA id: 108064021
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/03/24 (41 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 rating1780.9
Curent Weighted rating1720.4
Curent Weighted performance1756.2
Current official/published rating (highest between Raw, WR and WP)1780.9
Current floor (min rating allowed)1280.9
Current highest rating achieved1780.9
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)±72.5
Current Raw change used (final)0.0
Projected new Raw rating1780.9
Projected new Weighed rating1728.2
Projected new Weighted performance1756.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1780.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1780.9
Projected new floor1280.9
Projected new K-facor28
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 rating1807.5
Curent Weighted rating1726.9
Curent Weighted performance1770.6
Current official/published rating (highest between Raw, WR and WP)1807.5
Current floor (min rating allowed)1312.3
Current highest rating achieved1812.3
Current K-factor24
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)±69.8
Current Raw change used (final)0.0
Projected new Raw rating1807.5
Projected new Weighed rating1736.6
Projected new Weighted performance1770.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1807.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1812.3
Projected new floor1312.3
Projected new K-facor24
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 rating1594.9
Curent Weighted rating1393.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1594.9
Current floor (min rating allowed)1094.9
Current highest rating achieved1594.9
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)±94.5
Current Raw change used (final)0.0
Projected new Raw rating1594.9
Projected new Weighed rating1414.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1594.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1594.9
Projected new floor1094.9
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 rating1227.6
Curent Weighted rating1216.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1227.6
Current floor (min rating allowed)1094.9
Current highest rating achieved1227.6
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)±159.4
Current Raw change used (final)0.0
Projected new Raw rating1227.6
Projected new Weighed rating1218.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1227.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1227.6
Projected new floor1094.9
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 2024 Lubowski Open Chess Tournament (A) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1779.6 1812.3 Analysis
3 2024 Chris Greyling Open Chess Tournament (Prestige) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1779.6 1812.3 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (Prestige) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1715.3 1708.8 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.5 1715.3 1708.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
72 2024 Lubowski Open Chess Tournament (A) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1779.6 1812.3 Analysis
71 2024 Chris Greyling Open Chess Tournament (Prestige) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1779.6 1812.3 Analysis
70 2024 Tshwane Chess OPEN Registration Tournament (Prestige) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1715.3 1708.8 Analysis
69 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.5 1715.3 1708.8 Analysis
68 2023 Centurion Chess Open (A) 2023/09/23 2023/09/23 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1754.3 1751.4 Analysis
67 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 7.0 1690.3 1692.9 Analysis
66 FIDE World Youth U16 Chess Olympiad 2023 2023/08/13 2023/08/18 Netherlands (NED) Rapid 55 0.80 9 8 4.5 1690.3 1215.8 Analysis
65 DR Kenneth Kaunda Volkies 29 Jul 2023 (A) 2023/07/29 2023/07/29 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.5 1674.3 1673.3 Analysis
64 2023 Lubowski Open Tournament (A) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1701.4 1699.3 Analysis
63 2023 Elize Steenkamp Open Tournament (A) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 6 3.0 1701.4 1699.3 Analysis
62 2023 Milos Ristic Open Tournament (A) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1720.5 1720.0 Analysis
61 2023 South African Junior Closed Chess Championships (U16 Open) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 9 5.0 1720.5 1720.0 Analysis
60 2023 Afrikaans Hoër Seunskool Open Chess Tournament (A) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1741.9 1741.6 Analysis
59 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) 2023/02/04 2023/02/05 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1648.1 1650.2 Analysis
58 2023 Tshwane Chess Open Registration Tournament (A) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1595.4 1592.5 Analysis
57 2022 South African Junior Team Chess Championships (U16 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1602.4 1600.1 Analysis
56 2022 Etienne Lewis (U16 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 5.5 1565.1 1561.1 Analysis
55 2022 Jacaranda Round Robin (B) 2022/07/30 2022/07/30 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1543.5 1567.2 Analysis
54 South African Open 2022 (Blitz) 2022/07/14 2022/07/14 Cape Town (WCT) Blitz 5 0.18 10 10 5.0 1543.5 1060.6 Analysis
53 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 4.5 1543.5 1567.2 Analysis
1234
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 9 4 7 11.0 55.0 42.5 1816.1 1858.6
White 9 6 0 3 6.0 66.7 141.7 1806.4 1948.0
Black 11 3 4 4 5.0 45.5 -38.6 1824.1 1785.5
Standard All 20 9 4 7 11.0 55.0 42.5 1816.1 1858.6
White 9 6 0 3 6.0 66.7 141.7 1806.4 1948.0
Black 11 3 4 4 5.0 45.5 -38.6 1824.1 1785.5
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 419 214 51 154 239.5 57.2 60.9 1402.9 1463.8
White 207 116 24 67 128.0 61.8 100.6 1379.0 1479.6
Black 212 98 27 87 111.5 52.6 22.1 1426.3 1448.4
Standard All 356 181 49 126 205.5 57.7 65.7 1408.2 1473.9
White 176 98 24 54 110.0 62.5 106.3 1379.0 1485.2
Black 180 83 25 72 95.5 53.1 26.0 1436.9 1462.8
Rapid All 27 16 1 10 16.5 61.1 94.4 1419.0 1513.4
White 14 8 0 6 8.0 57.1 60.7 1479.8 1540.5
Black 13 8 1 4 8.5 65.4 130.8 1353.5 1484.3
Blitz All 36 17 1 18 17.5 48.6 -11.8 1338.2 1326.4
White 17 10 0 7 10.0 58.8 75.0 1295.8 1370.8
Black 19 7 1 11 7.5 39.5 -89.5 1376.1 1286.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108045082 Koning, L (Lehan) 7 4.5 3 3 1 64.3 1443.4 121.4 1564.8 View list
2 108082684 De Vries, MA (Andrio) 6 5.0 5 0 1 83.3 1513.8 283.3 1797.1 View list
3 108076196 Potgieter, E (Edward) 6 3.5 3 1 2 58.3 1403.8 70.8 1474.6 View list
4 109086379 Jacobs, CN (Calvin Nicholas) 6 1.5 1 1 4 25.0 1499.5 -212.5 1287.0 View list
5 108052034 Du Toit, SJM (Stephanus (Matteo)) 5 4.0 4 0 1 80.0 1383.3 255.0 1638.3 View list
6 107086377 Jacobs, TB (Tiaan Benjamin) 5 2.5 2 1 2 50.0 1412.7 0.0 1412.7 View list
7 107046393 Fourie, K (Keanan) 5 2.0 2 0 3 40.0 1347.3 -85.0 1262.3 View list
8 109069454 Sathish, A (Abinavah) 5 2.0 1 2 2 40.0 1504.3 -85.0 1419.3 View list
9 184019054 Mabusela, JM (Johannes) 5 0.0 0 0 5 0.0 1717.3 -425.0 1292.3 View list
10 106060952 Viljoen, J (Jaden) 4 3.0 3 0 1 75.0 1302.3 212.5 1514.8 View list
11 108064849 Ziegenhagen, V (Vian Luke) 4 2.0 2 0 2 50.0 1440.2 0.0 1440.2 View list
12 108079781 Soojay, J (Jorah) 4 0.0 0 0 4 0.0 1452.8 -425.0 1027.8 View list
13 108086541 Louw, R (Raynor) 3 3.0 3 0 0 100.0 1607.0 425.0 2032.0 View list
14 108057851 Malan, H (Henco) 3 2.5 2 1 0 83.3 1242.2 283.3 1525.5 View list
15 105090318 Shuping, O (Omphile) 3 2.5 2 1 0 83.3 1548.6 283.3 1831.9 View list
16 107050552 Van Der Westhuizen, F (Frederik) 3 2.0 1 2 0 66.7 1182.5 141.7 1324.2 View list
17 110086011 Felix, R (Raphael) 3 1.5 1 1 1 50.0 1456.4 0.0 1456.4 View list
18 107069948 Jones, W (William) 3 1.5 1 1 1 50.0 1487.2 0.0 1487.2 View list
19 105046331 Ristic, A (Andrej) 3 1.5 1 1 1 50.0 1418.3 0.0 1418.3 View list
20 103007373 Dinham, J (James) 3 1.0 1 0 2 33.3 1628.8 -141.7 1487.1 View list