Player Page

Arthur, Z (Zachary)
Dob: 2014/09/02 (U12)
Gender: Male
Chess SA id: 1140156646
FIDE id:
Region: Chess South Africa (CSA)
Citizen: RSA
Title(s):
Last active: 2024/05/25 (22 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 rating1166.6
Current Weighted rating1194.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.3
Current highest rating achieved1212.1
Current floor (min rating allowed)712.1
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)±173.9
Current Raw change used (final)0.0
Projected new Raw rating1166.6
Projected new Weighed rating1098.5
Projected new Weighted performance910.9
Projected new final Raw rating (if new WP > new Raw)1166.6
Projected new highest rating1212.1
Projected new floor712.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1166.6
Projected effective change (new Official - current Official)-27.7
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
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 rating1132.7
Current Weighted rating1182.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1182.9
Current highest rating achieved1218.7
Current floor (min rating allowed)718.7
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)±182.5
Current Raw change used (final)0.0
Projected new Raw rating1132.7
Projected new Weighed rating1087.7
Projected new Weighted performance958.8
Projected new final Raw rating (if new WP > new Raw)1132.7
Projected new highest rating1218.7
Projected new floor718.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1132.7
Projected effective change (new Official - current Official)-50.2
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 Westville Chess Club Rapid Rated Tournament 2024 (Senior Primary) 2024/05/25 2024/05/25 Ethekwini (KED) Rapid 30 0.60 6 6 2.0 1194.2 1179.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Westville Chess Club Rapid Rated Tournament 2024 (Senior Primary) 2024/05/25 2024/05/25 Ethekwini (KED) Rapid 30 0.60 6 6 2.0 1194.2 1179.5 Analysis
3 Chess Molecules Rapid 2023 (Grade 3+4) 2023/09/23 2023/09/23 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1198.5 1194.6 Analysis
2 Chess Molecules 16 June Tournament 2023 (Grade 3+4) 2023/06/16 2023/06/16 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1212.1 1218.7 Analysis
1 Umhlali Preparatory Rapid 2023 (Junior Primary) 2023/05/20 2023/05/20 iLembe (KIK) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 6 2 0 4 2.0 33.3 -141.7 1155.6 1013.9
White 3 0 0 3 0.0 0.0 -425.0 1179.5 754.5
Black 3 2 0 1 2.0 66.7 141.7 1131.7 1273.4
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 6 2 0 4 2.0 33.3 -141.7 1155.6 1013.9
White 3 0 0 3 0.0 0.0 -425.0 1179.5 754.5
Black 3 2 0 1 2.0 66.7 141.7 1131.7 1273.4
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 21 9 0 12 9.0 42.9 -60.7 1197.2 1136.5
White 10 3 0 7 3.0 30.0 -170.0 1216.6 1046.6
Black 11 6 0 5 6.0 54.5 38.6 1179.5 1218.2
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 21 9 0 12 9.0 42.9 -60.7 1197.2 1136.5
White 10 3 0 7 3.0 30.0 -170.0 1216.6 1046.6
Black 11 6 0 5 6.0 54.5 38.6 1179.5 1218.2
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 2130146685 Jain, D (Dishi) 2 1.0 1 0 1 50.0 1205.3 0.0 1205.3 View list
2 1130162422 Cradick, C (Ciara) 1 1.0 1 0 0 100.0 1198.5 425.0 1623.5 View list
3 1130146676 Bwerinofa, M (Minana) 1 1.0 1 0 0 100.0 1212.1 425.0 1637.1 View list
4 1140162135 Dlomo, A (Adonaijah) 1 1.0 1 0 0 100.0 1194.2 425.0 1619.2 View list
5 1130154309 Naidoo, T (Tayundra) 1 1.0 1 0 0 100.0 1194.2 425.0 1619.2 View list
6 1140156664 Parshotam, K (Kira) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2140156665 Scott, K (Kimberley) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1150150866 Van Der Hulst, T (Tyler) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1140162424 Jentile, L (Lukhona) 1 1.0 1 0 0 100.0 1198.5 425.0 1623.5 View list
10 1150151779 Zhu, R (Ryan Yuancheng) 1 0.0 0 0 1 0.0 1198.5 -425.0 773.5 View list
11 2110154319 White, A (Arianna) 1 0.0 0 0 1 0.0 1194.2 -425.0 769.2 View list
12 1130162188 Valiallah, Z (Zane) 1 0.0 0 0 1 0.0 1194.2 -425.0 769.2 View list
13 1130154316 Strauss, N (Nicholas) 1 0.0 0 0 1 0.0 1194.2 -425.0 769.2 View list
14 1140305629 Ramawtar, J (Jordan) 1 0.0 0 0 1 0.0 1194.2 -425.0 769.2 View list
15 1130146699 Rakumakoe, K (Kganya) 1 0.0 0 0 1 0.0 1212.1 -425.0 787.1 View list
16 1140153987 Nortje, O (Owen) 1 0.0 0 0 1 0.0 1198.5 -425.0 773.5 View list
17 1140146693 Ndweni, B (Bokamoso) 1 0.0 0 0 1 0.0 1212.1 -425.0 787.1 View list
18 1140147682 Kalpee, R (Rahul) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1150154328 De Almeida Manita, L (Luca) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 1140157236 Anderson, I (Isabella) 1 0.0 0 0 1 0.0 1212.1 -425.0 787.1 View list