Player Page

Van Der Merwe, D (Devan)
Dob: 2009/03/26 (U16)
Gender: Male
Chess SA id: 1090100229
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
Citizen: RSA
Title(s):
Last active: 2024/03/02 (79 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 rating1368.2
Curent Weighted rating1366.9
Curent Weighted performance1269.3
Current official/published rating (highest between Raw, WR and WP)1368.2
Current floor (min rating allowed)916.9
Current highest rating achieved1416.9
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)±130.5
Current Raw change used (final)0.0
Projected new Raw rating1368.2
Projected new Weighed rating1370.0
Projected new Weighted performance1269.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1370.0
Projected effective change (new Official - current Official)+1.8
Projected new highest rating1416.9
Projected new floor916.9
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 rating1358.1
Curent Weighted rating1361.1
Curent Weighted performance1268.5
Current official/published rating (highest between Raw, WR and WP)1361.1
Current floor (min rating allowed)914.4
Current highest rating achieved1414.4
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)±132.4
Current Raw change used (final)0.0
Projected new Raw rating1358.1
Projected new Weighed rating1363.8
Projected new Weighted performance1268.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1363.8
Projected effective change (new Official - current Official)+2.7
Projected new highest rating1414.4
Projected new floor914.4
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 rating1203.2
Curent Weighted rating1203.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1203.2
Current floor (min rating allowed)703.2
Current highest rating achieved1203.2
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)±165.1
Current Raw change used (final)0.0
Projected new Raw rating1203.2
Projected new Weighed rating1203.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1203.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1203.2
Projected new floor703.2
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)703.2
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor703.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 DR KKD Ferdies Mar 2024 (B) 2024/03/02 2024/03/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1390.8 1385.0 Analysis
2 DR KKD Curro Feb 2024 (U16) 2024/02/10 2024/02/10 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 2.5 1401.4 1396.8 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1395.7 1390.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
31 DR KKD Ferdies Mar 2024 (B) 2024/03/02 2024/03/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1390.8 1385.0 Analysis
30 DR KKD Curro Feb 2024 (U16) 2024/02/10 2024/02/10 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 2.5 1401.4 1396.8 Analysis
29 2024 Gauteng Inter-Region Chess Championship (U16B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1395.7 1390.1 Analysis
28 2023 Thomas Lechelele North West Open (B) 2023/09/15 2023/09/16 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1402.6 1396.8 Analysis
27 DR KKD Trials 2023 (U16) 2023/09/02 2023/09/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1402.6 1396.8 Analysis
26 DR Kenneth Kaunda Volkies 29 Jul 2023 (B) 2023/07/29 2023/07/29 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 2.0 1416.9 1414.4 Analysis
25 Dr Kenneth Kaunda Volkies 2023 (C) 2023/06/10 2023/06/10 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1412.8 1408.9 Analysis
24 DR Kenneth Kaunda Curro 2023 (C) 2023/04/22 2023/04/22 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 5.0 1278.8 1274.7 Analysis
23 Dr. Kenneth Kaunda Saamtrek 2023 (U16) 2023/02/04 2023/02/04 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 3.0 1215.8 1210.0 Analysis
22 2022 South African Junior Team Chess Championships (U16 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1244.6 1242.8 Analysis
21 Dr. KKD SAJCC Trials September 2022 (U12+U14) 2022/09/03 2022/09/03 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1244.9 1242.1 Analysis
20 Dr. KKD Volkskool 2022 (U14) 2022/08/20 2022/08/20 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1202.2 1188.5 Analysis
19 Bailie Park Potchefstroom 2022 (U14+U16) 2022/06/04 2022/06/04 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.0 1218.9 1207.6 Analysis
18 Schoonspruit Ope 2022 (C) 2022/05/21 2022/05/21 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 1.5 1255.1 1251.5 Analysis
17 Volkskool Proewe 2021 (U14) 2021/10/30 2021/10/30 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 2.0 1264.4 1264.1 Analysis
16 Volkskool Tournament 2021 (U14) 2021/06/26 2021/06/26 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1221.7 1211.2 Analysis
15 Saamtrek 2021 (U14) 2021/06/12 2021/06/12 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1221.7 1211.2 Analysis
14 KHS 2021 (B) 2021/04/10 2021/04/10 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1230.7 1222.0 Analysis
13 Wesvalia 2020 (C) 2020/02/15 2020/02/15 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1127.9 1114.4 Analysis
12 Gimnasium 2020 (U12) 2020/02/01 2020/02/01 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1127.9 1114.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 7 2 5 8.0 57.1 60.7 1264.2 1324.9
White 6 3 1 2 3.5 58.3 70.8 1278.8 1349.6
Black 8 4 1 3 4.5 56.3 53.1 1253.2 1306.3
Standard All 14 7 2 5 8.0 57.1 60.7 1264.2 1324.9
White 6 3 1 2 3.5 58.3 70.8 1278.8 1349.6
Black 8 4 1 3 4.5 56.3 53.1 1253.2 1306.3
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 150 85 6 59 88.0 58.7 73.7 1160.1 1233.7
White 72 38 1 33 38.5 53.5 29.5 1154.2 1183.7
Black 78 47 5 26 49.5 63.5 114.4 1165.5 1279.9
Standard All 145 82 6 57 85.0 58.6 73.3 1163.4 1236.7
White 70 37 1 32 37.5 53.6 30.4 1162.7 1193.1
Black 75 45 5 25 47.5 63.3 113.3 1164.1 1277.4
Rapid All 5 3 0 2 3.0 60.0 85.0 1062.7 1147.7
White 2 1 0 1 1.0 50.0 0.0 856.9 856.9
Black 3 2 0 1 2.0 66.7 141.7 1200.0 1341.7
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090115697 Botha, Z (Zak) 4 3.0 2 2 0 75.0 1281.1 212.5 1493.6 View list
2 108069124 Makale, T (Tlotliso) 3 3.0 3 0 0 100.0 1097.7 425.0 1522.7 View list
3 1080101632 Meyer, J (Jared) 3 2.0 2 0 1 66.7 1237.7 141.7 1379.3 View list
4 1110134010 Van Meersbergen, E (Ettienne) 3 2.0 2 0 1 66.7 1286.8 141.7 1428.4 View list
5 109093330 Krugel, L (Lian) 3 2.0 1 2 0 66.7 1262.6 141.7 1404.3 View list
6 1080113085 Mostert, CF (Christiaan ) 3 1.0 1 0 2 33.3 1267.4 -141.7 1125.7 View list
7 109064023 Fouche, H (Heinrich) 3 0.0 0 0 3 0.0 1243.7 -425.0 818.7 View list
8 108087181 Janse Van Rensburg, N (Nian) 3 0.0 0 0 3 0.0 1288.3 -425.0 863.3 View list
9 1100110914 Fouche, N (Nathan) 2 2.0 2 0 0 100.0 1237.0 425.0 1662.0 View list
10 1120134007 Molefe, HT (His-Eminennce Tshenolo) 2 2.0 2 0 0 100.0 1223.6 425.0 1648.6 View list
11 1120113088 Mostert, DE (Dawid Erich) 2 2.0 2 0 0 100.0 1240.5 425.0 1665.5 View list
12 205094661 Handford, C (Cassidy) 2 1.0 1 0 1 50.0 1179.3 0.0 1179.3 View list
13 209083403 Havenga, S (Shaylee) 2 1.0 1 0 1 50.0 1092.8 0.0 1092.8 View list
14 1080106039 Matlala, U (Unathi) 2 1.0 1 0 1 50.0 1095.9 0.0 1095.9 View list
15 108069802 Mazinyo, M (Mpumelelo) 2 1.0 1 0 1 50.0 1152.2 0.0 1152.2 View list
16 108059585 Muller, C (Christiaan) 2 0.5 0 1 1 25.0 1396.7 -212.5 1184.2 View list
17 108090799 Fernandes, A (Alanzo) 2 0.0 0 0 2 0.0 1169.8 -425.0 744.8 View list
18 1100140952 Gautum, A (Agarwal) 2 0.0 0 0 2 0.0 1223.6 -425.0 798.6 View list
19 211085191 Naidoo, K (Kajol) 2 0.0 0 0 2 0.0 1221.7 -425.0 796.7 View list
20 108069806 Steenkamp, C (Christopher) 2 0.0 0 0 2 0.0 1130.1 -425.0 705.1 View list