Player Page

Van Der Merwe, C (Charl)
Dob: 2013/08/16 (U12)
Gender: Male
Chess SA id: 1130139159
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/02/10 (211 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 rating1227.2
Current Weighted rating1228.6
Current Weighted performance984.4
Current official/published rating (highest between Raw, WR and WP)1228.6
Current highest rating achieved1256.0
Current floor (min rating allowed)756.0
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)±159.5
Current Raw change used (final)0.0
Projected new Raw rating1227.2
Projected new Weighed rating1130.4
Projected new Weighted performance984.4
Projected new final Raw rating (if new WP > new Raw)1227.2
Projected new highest rating1256.0
Projected new floor756.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1227.2
Projected effective change (new Official - current Official)-1.4
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 rating1221.6
Current Weighted rating1221.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1221.6
Current highest rating achieved1221.6
Current floor (min rating allowed)721.6
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)±160.8
Current Raw change used (final)0.0
Projected new Raw rating1221.6
Projected new Weighed rating1123.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1221.6
Projected new floor721.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.6
Projected effective change (new Official - current Official)=0.0
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 rating1233.0
Current Weighted rating1235.4
Current Weighted performance1036.2
Current official/published rating (highest between Raw, WR and WP)1235.4
Current highest rating achieved1268.6
Current floor (min rating allowed)768.6
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)±158.2
Current Raw change used (final)0.0
Projected new Raw rating1233.0
Projected new Weighed rating1136.8
Projected new Weighted performance1036.2
Projected new final Raw rating (if new WP > new Raw)1233.0
Projected new highest rating1268.6
Projected new floor768.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.0
Projected effective change (new Official - current Official)-2.4
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Bo-Weskus Skole Prestige 2024 (O11 Seuns) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1231.5 1241.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Bo-Weskus Skole Prestige 2024 (O11 Seuns) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1231.5 1241.6 Analysis
8 Upper West Coast Top Schools Championship 2023 (U7-U11) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 2.5 1226.7 1229.7 Analysis
7 Bo-Weskus Skole Prestige 2023 (O11 Seuns) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1223.0 1219.3 Analysis
6 West Coast Schools Chess Grand Challenge 2022 (PS Super) 2022/10/29 2022/10/29 West Coast (WCU) Rapid 30 0.60 5 5 1.0 1256.0 1268.6 Analysis
5 Pedro Booyse Top Schools 2022 (U9 Combined) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 6 1 1.0 1242.0 1200.0 Analysis
4 Bo-Weskus Top Skole 2022 (O9) 2022/06/11 2022/06/11 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1186.5 1174.3 Analysis
3 West Coast Schools Chess Prestige Leg 2 2022 (U9 Boys) 2022/04/23 2022/04/23 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1223.0 1238.4 Analysis
2 West Coast Schools Chess Prestige Leg 1 2022 (U9 Boys) 2022/04/09 2022/04/09 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1223.0 1238.4 Analysis
1 Bo Weskus Skole Skaak Prestige (O9 Seuns) 2022/03/19 2022/03/19 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 4 2 0 2 2.0 50.0 0.0 1187.9 1187.9
White 2 1 0 1 1.0 50.0 0.0 1180.5 1180.5
Black 2 1 0 1 1.0 50.0 0.0 1195.3 1195.3
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 4 2 0 2 2.0 50.0 0.0 1187.9 1187.9
White 2 1 0 1 1.0 50.0 0.0 1180.5 1180.5
Black 2 1 0 1 1.0 50.0 0.0 1195.3 1195.3
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 38 19 3 16 20.5 53.9 33.6 1209.9 1243.5
White 19 11 0 8 11.0 57.9 67.1 1222.6 1289.7
Black 19 8 3 8 9.5 50.0 0.0 1197.2 1197.2
Standard All 1 1 0 0 1.0 100.0 425.0 1179.6 1604.6
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 1 1 0 0 1.0 100.0 425.0 1179.6 1604.6
Rapid All 37 18 3 16 19.5 52.7 23.0 1210.7 1233.7
White 19 11 0 8 11.0 57.9 67.1 1222.6 1289.7
Black 18 7 3 8 8.5 47.2 -23.6 1198.2 1174.6
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 1130139142 Isaacs, C (Clint Lee) 3 2.5 2 1 0 83.3 1215.3 283.3 1498.7 View list
2 1140139144 Jordaan, D (Devan) 2 2.0 2 0 0 100.0 1215.8 425.0 1640.8 View list
3 1130157864 Van Der Schyff, B (Brian) 2 1.0 1 0 1 50.0 1229.1 0.0 1229.1 View list
4 1130139140 Du Toit, M (Markus) 2 0.0 0 0 2 0.0 1223.0 -425.0 798.0 View list
5 1130139158 Van Der Merwe, B (Benjamen) 2 0.0 0 0 2 0.0 1228.0 -425.0 803.0 View list
6 1130143125 Joseph, C (Carl) 1 1.0 1 0 0 100.0 1186.5 425.0 1611.5 View list
7 1130139907 Bothma, I (Ivandre) 1 1.0 1 0 0 100.0 1223.0 425.0 1648.0 View list
8 1130143123 Engelbrecht, E (Elizabeth) 1 1.0 1 0 0 100.0 1186.5 425.0 1611.5 View list
9 1130143121 Cloete, A (Ashton) 1 1.0 1 0 0 100.0 1186.5 425.0 1611.5 View list
10 1130153127 Nasson, L (Liam) 1 1.0 1 0 0 100.0 1223.0 425.0 1648.0 View list
11 2150143113 Kotze, F (Faith-Lynne) 1 1.0 1 0 0 100.0 1226.7 425.0 1651.7 View list
12 1140139146 Koopman, W (Wernie) 1 1.0 1 0 0 100.0 1186.5 425.0 1611.5 View list
13 1130139145 Kok, D (Devorick) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 2130139085 Owies, T (Tiffany) 1 1.0 1 0 0 100.0 1242.0 425.0 1667.0 View list
15 1130139151 Ryk, L (Liam) 1 1.0 1 0 0 100.0 1256.0 425.0 1681.0 View list
16 1130192531 Sikhulu, L (Lunje) 1 1.0 1 0 0 100.0 1231.5 425.0 1656.5 View list
17 1140139154 Smith, C (Cody) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1130143132 Van Schalkwyk, R (Ruben) 1 1.0 1 0 0 100.0 1186.5 425.0 1611.5 View list
19 1130153130 Willems, H (Hyron) 1 1.0 1 0 0 100.0 1223.0 425.0 1648.0 View list
20 1130153125 Klein, G (Geo) 1 0.5 0 1 0 50.0 1223.0 0.0 1223.0 View list