Player Page

Sonderup, C (Callum)
Dob: 2009/04/14 (U16)
Gender: Male
Chess SA id: 1090105974
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2022/05/29 (719 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 rating1297.3
Curent Weighted rating1297.3
Curent Weighted performance912.1
Current official/published rating (highest between Raw, WR and WP)1297.3
Current floor (min rating allowed)816.5
Current highest rating achieved1316.5
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)±144.4
Current Raw change used (final)0.0
Projected new Raw rating1297.3
Projected new Weighed rating1297.3
Projected new Weighted performance912.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1316.5
Projected new floor816.5
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 rating1259.1
Curent Weighted rating1259.1
Curent Weighted performance789.9
Current official/published rating (highest between Raw, WR and WP)1259.1
Current floor (min rating allowed)776.3
Current highest rating achieved1276.3
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)±152.4
Current Raw change used (final)0.0
Projected new Raw rating1259.1
Projected new Weighed rating1259.1
Projected new Weighted performance789.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1259.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1276.3
Projected new floor776.3
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 rating1301.2
Curent Weighted rating1301.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1301.2
Current floor (min rating allowed)801.2
Current highest rating achieved1301.2
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)±143.6
Current Raw change used (final)0.0
Projected new Raw rating1301.2
Projected new Weighed rating1301.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1301.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1301.2
Projected new floor801.2
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)801.2
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 floor801.2
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Western Cape Schools 2022 (U13 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 3.0 1286.9 1240.7 Analysis
7 Metro WP Schools Chess Trials 2022 (U13 Boys) 2022/04/22 2022/04/23 Cape Town (WCT) Standard 60 0.83 6 5 2.0 1316.5 1276.3 Analysis
6 2022 Central District Individual Trials (U13) 2022/03/05 2022/03/05 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1272.0 1200.0 Analysis
5 2020 Metro Trials (U11 Boys) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1242.4 1244.3 Analysis
4 2020 Central District (U11) 2020/02/07 2020/02/08 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1231.9 1233.9 Analysis
3 Western Cape Top Schools 2019 (U11 Mix) 2019/08/31 2019/09/01 Cape Winelands (WCW) Standard 60 0.83 5 3 1.0 1255.2 1263.4 Analysis
2 2019 Central District Schools Trials (U11) 2019/02/01 2019/02/02 Cape Town (WCT) Standard 60 0.83 6 2 1.0 1259.4 1269.2 Analysis
1 Western Cape Top Schools 2018 (U7+U9 Mix) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 4 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 36 23 0 13 23.0 63.9 118.1 1224.8 1342.9
White 17 14 0 3 14.0 82.4 275.0 1195.6 1470.6
Black 19 9 0 10 9.0 47.4 -22.4 1251.0 1228.6
Standard All 31 18 0 13 18.0 58.1 68.5 1230.6 1299.2
White 15 12 0 3 12.0 80.0 255.0 1198.2 1453.2
Black 16 6 0 10 6.0 37.5 -106.3 1261.0 1154.8
Rapid All 5 5 0 0 5.0 100.0 425.0 1188.8 1613.8
White 2 2 0 0 2.0 100.0 425.0 1175.7 1600.7
Black 3 3 0 0 3.0 100.0 425.0 1197.5 1622.5
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090105976 Horner, S (Samuel) 2 2.0 2 0 0 100.0 1237.2 425.0 1662.2 View list
2 2090108395 Mqadi, O (Olethiwe) 2 1.0 1 0 1 50.0 1252.0 0.0 1252.0 View list
3 109055124 Olkers, D (Declan) 2 0.0 0 0 2 0.0 1264.7 -425.0 839.7 View list
4 109087018 Bessinger, E (Emil) 1 1.0 1 0 0 100.0 1316.5 425.0 1741.5 View list
5 1090118807 Berry, J (Jordan) 1 1.0 1 0 0 100.0 1242.4 425.0 1667.4 View list
6 209084153 Bantom, K (Krishna) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2100131781 Arendse, A (Alex) 1 1.0 1 0 0 100.0 1272.0 425.0 1697.0 View list
8 1100118811 April, M (Matthew) 1 1.0 1 0 0 100.0 1286.9 425.0 1711.9 View list
9 1090130923 Hendricks, M (Mogamat Basheer) 1 1.0 1 0 0 100.0 1231.9 425.0 1656.9 View list
10 2090103552 Jika, A (Aphelele) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1090107483 Janse Van Rensburg, A (Arden) 1 1.0 1 0 0 100.0 1272.0 425.0 1697.0 View list
12 1100138451 De Vos, K (Kyle) 1 1.0 1 0 0 100.0 1286.9 425.0 1711.9 View list
13 1090105983 Makateus, H (Hayneville) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1090137753 Mairosi, D (Dylan) 1 1.0 1 0 0 100.0 1272.0 425.0 1697.0 View list
15 1090111310 Liebenberg, M (Malan) 1 1.0 1 0 0 100.0 1286.9 425.0 1711.9 View list
16 2110099724 Joseph, V (Vernitrune) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1100138525 Rossi, V (Valentino) 1 1.0 1 0 0 100.0 1316.5 425.0 1741.5 View list
18 2080108394 Samson, G (Grace-Ann) 1 1.0 1 0 0 100.0 1259.4 425.0 1684.4 View list
19 1090105977 Scriba, J (Joshua) 1 1.0 1 0 0 100.0 1231.9 425.0 1656.9 View list
20 1110118813 Stalmeester, J (Jaiden) 1 1.0 1 0 0 100.0 1255.2 425.0 1680.2 View list