Player Page

Arends, SJ (Sergio)
Dob: 2006/04/28 (U20)
Gender: Male
Chess SA id: 106067337
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2021/10/02 (990 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 rating1136.8
Current Weighted rating1136.8
Current Weighted performance533.8
Current official/published rating (highest between Raw, WR and WP)1136.8
Current highest rating achieved1142.3
Current floor (min rating allowed)642.3
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)±181.4
Current Raw change used (final)0.0
Projected new Raw rating1136.8
Projected new Weighed rating1045.9
Projected new Weighted performance533.8
Projected new final Raw rating (if new WP > new Raw)1136.8
Projected new highest rating1142.3
Projected new floor642.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.8
Projected effective change (new Official - current Official)=0.0
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 rating1134.2
Current Weighted rating1134.2
Current Weighted performance428.3
Current official/published rating (highest between Raw, WR and WP)1134.2
Current highest rating achieved1137.9
Current floor (min rating allowed)637.9
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)±182.1
Current Raw change used (final)0.0
Projected new Raw rating1134.2
Projected new Weighed rating1043.5
Projected new Weighted performance428.3
Projected new final Raw rating (if new WP > new Raw)1134.2
Projected new highest rating1137.9
Projected new floor637.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1134.2
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 rating847.4
Current Weighted rating847.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)847.4
Current highest rating achieved847.4
Current floor (min rating allowed)500.0
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)±274.0
Current Raw change used (final)0.0
Projected new Raw rating847.4
Projected new Weighed rating779.6
Projected new Weighted performance260.2
Projected new final Raw rating (if new WP > new Raw)847.4
Projected new highest rating847.4
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)847.4
Projected effective change (new Official - current Official)=0.0
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 rating783.0
Current Weighted rating783.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)783.0
Current highest rating achieved789.0
Current floor (min rating allowed)500.0
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)±300.4
Current Raw change used (final)0.0
Projected new Raw rating783.0
Projected new Weighed rating720.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating789.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)783.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Alekhine Chess Club Rapid 2021 2021/10/02 2021/10/02 Nelson Mandela Bay (ENM) Rapid 15 0.39 7 6 2.0 1131.5 783.0 Analysis
8 NMBYCC Closed 2019 (U14) 2019/07/26 2019/07/27 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1137.1 1135.4 Analysis
7 Nelson Mandela Bay Junior Trials 4 2019 (U14) 2019/07/12 2019/07/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 3.0 1137.1 1135.4 Analysis
6 NMBJCU Trials 3 2019 (U14) 2019/05/10 2019/05/11 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1142.3 1137.9 Analysis
5 Nelson Mandela Bay Junior Chess Trials 2 2019 (U14) 2019/04/05 2019/04/06 Nelson Mandela Bay (ENM) Standard 60 0.83 6 4 4.0 912.9 930.6 Analysis
4 NMBCU Trials 1 2019 (U14) 2019/03/08 2019/03/09 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 892.0 909.8 Analysis
3 Alekhine Open Chess Tournament 2018 (B) 2018/05/04 2018/05/05 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 3.0 817.2 824.2 Analysis
2 NMB First Trails 2018 (U14) 2018/03/23 2018/03/24 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 787.0 787.0 Analysis
1 South African Junior Team Championships 2017 (U12B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.5 783.0 783.0 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 50 25 1 24 25.5 51.0 8.5 1071.8 1080.3
White 25 11 0 14 11.0 44.0 -51.0 1127.3 1076.3
Black 25 14 1 10 14.5 58.0 68.0 1016.2 1084.2
Standard All 44 23 1 20 23.5 53.4 29.0 1037.5 1066.5
White 22 11 0 11 11.0 50.0 0.0 1092.6 1092.6
Black 22 12 1 9 12.5 56.8 58.0 982.5 1040.4
Rapid All 6 2 0 4 2.0 33.3 -141.7 1322.8 1181.2
White 3 0 0 3 0.0 0.0 -425.0 1381.6 956.6
Black 3 2 0 1 2.0 66.7 141.7 1264.1 1405.7
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 206057065 Reddy, E (Evania) 3 2.0 2 0 1 66.7 1055.4 141.7 1197.1 View list
2 207052418 Bruintjies, HC (Hailey) 2 1.0 1 0 1 50.0 1136.9 0.0 1136.9 View list
3 207094410 Magadla, L (Lathitha) 2 1.0 1 0 1 50.0 1027.6 0.0 1027.6 View list
4 207067352 Ramaele, LL (Lerato) 2 1.0 1 0 1 50.0 1014.5 0.0 1014.5 View list
5 108057432 Lamont, J (Joshua) 1 1.0 1 0 0 100.0 817.2 425.0 1242.2 View list
6 106067349 Keuler, WG (Wouter) 1 1.0 1 0 0 100.0 787.0 425.0 1212.0 View list
7 2060111091 Booysen, J (Jay-Leigh) 1 1.0 1 0 0 100.0 892.0 425.0 1317.0 View list
8 1070099514 Bhika, Z (Zunaid) 1 1.0 1 0 0 100.0 1137.1 425.0 1562.1 View list
9 2070111092 Beecroft, E (Ella-Skye) 1 1.0 1 0 0 100.0 1142.3 425.0 1567.3 View list
10 1070111085 Brown, T (Troy) 1 1.0 1 0 0 100.0 912.9 425.0 1337.9 View list
11 105077393 De Villiers, OT (Ockert) 1 1.0 1 0 0 100.0 817.2 425.0 1242.2 View list
12 2060111087 Hickman, K (Kayla) 1 1.0 1 0 0 100.0 912.9 425.0 1337.9 View list
13 1060099518 Kaizer, L (Liam) 1 1.0 1 0 0 100.0 787.0 425.0 1212.0 View list
14 200001157 Balfour, A (Anesipho) 1 1.0 1 0 0 100.0 1131.5 425.0 1556.5 View list
15 107087641 Leeson, CL (Calib Lee) 1 1.0 1 0 0 100.0 1137.1 425.0 1562.1 View list
16 1910134984 Lottering, D (David) 1 1.0 1 0 0 100.0 1131.5 425.0 1556.5 View list
17 1060112057 Milani, A (Adam) 1 1.0 1 0 0 100.0 912.9 425.0 1337.9 View list
18 105070868 Moggee, LR (Le Roux) 1 1.0 1 0 0 100.0 787.0 425.0 1212.0 View list
19 207057201 Odendaal, G (Gabbi) 1 1.0 1 0 0 100.0 1142.3 425.0 1567.3 View list
20 1070111094 Puzi, P (Pumezo) 1 1.0 1 0 0 100.0 1137.1 425.0 1562.1 View list