Player Page

Van Der Merwe, S (Sebastian)
Dob: 2014/07/18 (U12)
Gender: Male
Chess SA id: 1140141808
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (6 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 rating1168.7
Curent Weighted rating1201.9
Curent Weighted performance1050.7
Current official/published rating (highest between Raw, WR and WP)1201.9
Current floor (min rating allowed)766.3
Current highest rating achieved1266.3
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.39
Difference (S-We)0.61
Current Raw change (no limits, including tournament time weight)18.2
Current min/max change allowed (with limits)±173.4
Current Raw change used (final)18.2
Projected new Raw rating1186.9
Projected new Weighed rating1200.4
Projected new Weighted performance1050.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.4
Projected effective change (new Official - current Official)-1.5
Projected new highest rating1266.3
Projected new floor766.3
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 rating1182.4
Curent Weighted rating1216.0
Curent Weighted performance1102.5
Current official/published rating (highest between Raw, WR and WP)1216.0
Current floor (min rating allowed)781.0
Current highest rating achieved1281.0
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.51
Difference (S-We)0.49
Current Raw change (no limits, including tournament time weight)17.6
Current min/max change allowed (with limits)±170.0
Current Raw change used (final)17.6
Projected new Raw rating1200.0
Projected new Weighed rating1214.4
Projected new Weighted performance1102.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1214.4
Projected effective change (new Official - current Official)-1.7
Projected new highest rating1281.0
Projected new floor781.0
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 rating1183.6
Curent Weighted rating1177.7
Curent Weighted performance964.8
Current official/published rating (highest between Raw, WR and WP)1183.6
Current floor (min rating allowed)683.6
Current highest rating achieved1183.6
Current K-factor40
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)±169.7
Current Raw change used (final)0.0
Projected new Raw rating1183.6
Projected new Weighed rating1178.5
Projected new Weighted performance964.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1183.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1183.6
Projected new floor683.6
Projected new K-facor40
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 rating1045.6
Curent Weighted rating1115.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1115.0
Current floor (min rating allowed)683.6
Current highest rating achieved1045.6
Current K-factor40
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)±206.6
Current Raw change used (final)0.0
Projected new Raw rating1045.6
Projected new Weighed rating1106.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1106.8
Projected effective change (new Official - current Official)-8.2
Projected new highest rating1045.6
Projected new floor683.6
Projected new K-facor40
Tournaments
Tournament: 3rd BC Trials 2024 (U12A)
Start: 2024/05/11  End: 2024/05/11  Host: EBC  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1168.7  Rating gain/loss: 18.2
Type rating: 1182.4  Rating gain/loss: 17.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 3rd BC Trials 2024 (U12A) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1168.7 1182.4 Analysis
3 2nd BC Trials 2024 (U12A) 2024/03/09 2024/03/09 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1182.1 1197.9 Analysis
2 Buffalo City Vikings Chess Trials 2024 (U12A) 2024/02/03 2024/02/03 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1166.6 1184.9 Analysis
1 Chess Vikings VP-Mall Blitz 2024 (B) 2024/01/27 2024/01/27 Buffalo City (EBC) Blitz 8 0.25 9 9 3.0 1175.4 1043.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 3rd BC Trials 2024 (U12A) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1168.7 1182.4 Analysis
17 2nd BC Trials 2024 (U12A) 2024/03/09 2024/03/09 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1182.1 1197.9 Analysis
16 Buffalo City Vikings Chess Trials 2024 (U12A) 2024/02/03 2024/02/03 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1166.6 1184.9 Analysis
15 Chess Vikings VP-Mall Blitz 2024 (B) 2024/01/27 2024/01/27 Buffalo City (EBC) Blitz 8 0.25 9 9 3.0 1175.4 1043.2 Analysis
14 Chess Vikings Exam Rapid 2023 (B) 2023/11/04 2023/11/04 Buffalo City (EBC) Rapid 20 0.47 7 0 0.0 1175.4 1183.6 Analysis
13 BC Vikings Blitz Championship 2023 2023/10/05 2023/10/05 Buffalo City (EBC) Blitz 5 0.18 10 9 1.0 1225.1 1200.0 Analysis
12 BC Vikings Closed 2023 (U10) 2023/10/03 2023/10/04 Buffalo City (EBC) Standard 65 0.85 8 7 2.5 1225.1 1223.8 Analysis
11 Chess Vikings Wild Card 2023 (U10+U12) 2023/10/02 2023/10/02 Buffalo City (EBC) Standard 60 0.83 6 4 1.5 1225.1 1223.8 Analysis
10 BC 5th Trials 2023 (U10A) 2023/09/02 2023/09/02 Buffalo City (EBC) Standard 60 0.83 5 5 1.0 1266.3 1281.0 Analysis
9 3rd BC Trials 2023 (U10A) 2023/08/12 2023/08/12 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1255.2 1274.2 Analysis
8 2nd BC Trials 2023 (U10A) 2023/06/03 2023/06/03 Buffalo City (EBC) Rapid 30 0.60 7 7 4.0 1256.3 1159.2 Analysis
7 2nd Little Vikings 2023 (U10B) 2023/02/23 2023/02/23 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1192.9 1215.2 Analysis
6 Little Vikings 2023 (U10B+U12B) 2023/02/11 2023/02/11 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1192.9 1215.2 Analysis
5 Slum Knights 5th 2022 (C) 2022/10/22 2022/10/22 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1186.9 1200.0 Analysis
4 Slum Knights 3rd Open 2022 (C) 2022/09/18 2022/09/18 Buffalo City (EBC) Rapid 35 0.66 6 6 2.5 1190.6 1182.0 Analysis
3 Slum Knights 2nd Open 2022 (C) 2022/09/17 2022/09/17 Buffalo City (EBC) Rapid 35 0.66 6 6 3.5 1190.6 1182.0 Analysis
2 Slum Knights 2022 (C) 2022/08/06 2022/08/06 Buffalo City (EBC) Rapid 35 0.66 6 6 3.0 1188.2 1180.0 Analysis
1 BC Chess 4th Border Trials 2022 (C) 2022/05/21 2022/05/21 Buffalo City (EBC) Rapid 20 0.47 6 6 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 24 11 0 13 11.0 45.8 -35.4 1198.7 1163.3
White 12 6 0 6 6.0 50.0 0.0 1190.1 1190.1
Black 12 5 0 7 5.0 41.7 -70.8 1207.3 1136.4
Standard All 15 8 0 7 8.0 53.3 28.3 1186.2 1214.6
White 8 4 0 4 4.0 50.0 0.0 1204.6 1204.6
Black 7 4 0 3 4.0 57.1 60.7 1165.3 1226.0
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 9 3 0 6 3.0 33.3 -141.7 1219.4 1077.7
White 4 2 0 2 2.0 50.0 0.0 1161.1 1161.1
Black 5 1 0 4 1.0 20.0 -255.0 1266.0 1011.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 100 43 5 52 45.5 45.5 -38.2 1211.4 1173.2
White 52 24 4 24 26.0 50.0 0.0 1207.9 1207.9
Black 48 19 1 28 19.5 40.6 -79.7 1215.3 1135.6
Standard All 51 25 2 24 26.0 51.0 8.3 1212.3 1220.6
White 26 13 1 12 13.5 51.9 16.3 1222.9 1239.2
Black 25 12 1 12 12.5 50.0 0.0 1201.3 1201.3
Rapid All 31 14 3 14 15.5 50.0 0.0 1190.2 1190.2
White 17 9 3 5 10.5 61.8 100.0 1179.3 1279.3
Black 14 5 0 9 5.0 35.7 -121.4 1203.3 1081.9
Blitz All 18 4 0 14 4.0 22.2 -236.1 1245.7 1009.5
White 9 2 0 7 2.0 22.2 -236.1 1218.5 982.4
Black 9 2 0 7 2.0 22.2 -236.1 1272.8 1036.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130136891 Scheeld, L (Liam) 5 4.5 4 1 0 90.0 1180.3 340.0 1520.3 View list
2 1140141800 Ndwandwa, L (Longezo) 5 1.0 1 0 4 20.0 1217.1 -255.0 962.1 View list
3 1140150756 Kwelani, L (Luthando) 5 0.0 0 0 5 0.0 1234.3 -425.0 809.3 View list
4 2140138559 Dayimani, I (Imbo) 4 3.5 3 1 0 87.5 1225.5 318.8 1544.3 View list
5 1140136885 Khandoo, N (Nilan) 4 1.0 1 0 3 25.0 1197.1 -212.5 984.6 View list
6 1140149001 Manqunyana, L (Luphelo) 4 1.0 1 0 3 25.0 1224.3 -212.5 1011.8 View list
7 1150150759 Motjamela, A (Alunamda) 3 3.0 3 0 0 100.0 1234.8 425.0 1659.8 View list
8 1130136882 Jagers, N (Noah) 3 2.0 2 0 1 66.7 1182.6 141.7 1324.3 View list
9 1100146657 Hannan, T (Troy) 3 2.0 2 0 1 66.7 1189.4 141.7 1331.0 View list
10 1140137766 Wildeman, J (Jordez) 3 1.0 1 0 2 33.3 1238.8 -141.7 1097.2 View list
11 1150141809 Wiseman, L (Luke) 3 0.0 0 0 3 0.0 1190.1 -425.0 765.1 View list
12 1140141789 Filita, L (Lixabiso) 2 2.0 2 0 0 100.0 1193.5 425.0 1618.5 View list
13 1130137759 Du Preez, D (Dante) 2 1.0 1 0 1 50.0 1209.0 0.0 1209.0 View list
14 1130136878 Chinyamurindi, A (Anochengeta) 2 1.0 1 0 1 50.0 1196.9 0.0 1196.9 View list
15 2150149005 Mxabo, M (Masonwabe) 2 1.0 1 0 1 50.0 1209.0 0.0 1209.0 View list
16 1140150755 Foslara, Z (Ziminathi) 2 0.0 0 0 2 0.0 1245.7 -425.0 820.7 View list
17 1120147193 Moyo, M (Mihle) 2 0.0 0 0 2 0.0 1200.3 -425.0 775.3 View list
18 1150148994 Chabata, T (Tinaye) 1 1.0 1 0 0 100.0 1192.9 425.0 1617.9 View list
19 1140136879 Claasen, T (Tatum) 1 1.0 1 0 0 100.0 1256.3 425.0 1681.3 View list
20 1120138560 Dyakopu, T (Thankdo) 1 1.0 1 0 0 100.0 1188.2 425.0 1613.2 View list