Player Page

Stock, Z (Zack)
Dob: 2012/12/21 (U14)
Gender: Male
Chess SA id: 1120146892
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/03/03 (62 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 rating1254.5
Curent Weighted rating1230.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1254.5
Current floor (min rating allowed)781.7
Current highest rating achieved1281.7
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)±153.4
Current Raw change used (final)0.0
Projected new Raw rating1254.5
Projected new Weighed rating1234.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1254.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1281.7
Projected new floor781.7
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 rating1215.8
Curent Weighted rating1200.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1215.8
Current floor (min rating allowed)748.2
Current highest rating achieved1248.2
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)±162.1
Current Raw change used (final)0.0
Projected new Raw rating1215.8
Projected new Weighed rating1202.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1215.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1248.2
Projected new floor748.2
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 rating1276.8
Curent Weighted rating1253.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1276.8
Current floor (min rating allowed)776.8
Current highest rating achieved1276.8
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)±148.6
Current Raw change used (final)0.0
Projected new Raw rating1276.8
Projected new Weighed rating1256.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1276.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1276.8
Projected new floor776.8
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)776.8
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 floor776.8
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1281.7 1248.2 Analysis
1 District South Schools Chess Individual Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1266.2 1228.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1281.7 1248.2 Analysis
4 District South Schools Chess Individual Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1266.2 1228.4 Analysis
3 Western Cape Top Schools 2023 (U11 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 4.0 1215.1 1157.2 Analysis
2 CT Metro District South Top Schools 2023 (U9+U11 Mixed + U13 Girls) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 5 4 4.0 1165.2 1200.0 Analysis
1 2022 Western Province Club League (Junior) 2022/08/27 2022/09/17 Cape Town (WCT) Standard 70 0.87 7 2 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 5 0 6 5.0 45.5 -38.6 1278.3 1239.6
White 5 2 0 3 2.0 40.0 -85.0 1280.5 1195.5
Black 6 3 0 3 3.0 50.0 0.0 1276.4 1276.4
Standard All 11 5 0 6 5.0 45.5 -38.6 1278.3 1239.6
White 5 2 0 3 2.0 40.0 -85.0 1280.5 1195.5
Black 6 3 0 3 3.0 50.0 0.0 1276.4 1276.4
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 23 13 0 10 13.0 56.5 55.4 1270.8 1326.2
White 13 8 0 5 8.0 61.5 98.1 1251.4 1349.4
Black 10 5 0 5 5.0 50.0 0.0 1296.1 1296.1
Standard All 19 9 0 10 9.0 47.4 -22.4 1285.7 1263.3
White 10 5 0 5 5.0 50.0 0.0 1266.8 1266.8
Black 9 4 0 5 4.0 44.4 -47.2 1306.7 1259.5
Rapid All 4 4 0 0 4.0 100.0 425.0 1200.0 1625.0
White 3 3 0 0 3.0 100.0 425.0 1200.0 1625.0
Black 1 1 0 0 1.0 100.0 425.0 1200.0 1625.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1110138506 Morrison, L (Liam) 2 2.0 2 0 0 100.0 1274.0 425.0 1699.0 View list
2 1120193504 Dodgen, Z (Zach) 1 1.0 1 0 0 100.0 1266.2 425.0 1691.2 View list
3 1150158970 Chapela, K (Kai) 1 1.0 1 0 0 100.0 1165.2 425.0 1590.2 View list
4 2120133357 Buhr, G (Gretchen) 1 1.0 1 0 0 100.0 1215.1 425.0 1640.1 View list
5 1120193298 Arendse, E (Evan) 1 1.0 1 0 0 100.0 1281.7 425.0 1706.7 View list
6 1130136594 Pentz, J (Jason) 1 1.0 1 0 0 100.0 1215.1 425.0 1640.1 View list
7 1120158976 Mthobile, A (Akhiwe) 1 1.0 1 0 0 100.0 1165.2 425.0 1590.2 View list
8 1130135090 Mputing, T (Thando) 1 1.0 1 0 0 100.0 1215.1 425.0 1640.1 View list
9 1110158957 Thomas, C (Caleb) 1 1.0 1 0 0 100.0 1266.2 425.0 1691.2 View list
10 2130158966 Abrahams, A (Amani) 1 1.0 1 0 0 100.0 1165.2 425.0 1590.2 View list
11 1120153777 Wehr, C (Corbin) 1 1.0 1 0 0 100.0 1215.1 425.0 1640.1 View list
12 2100158985 Van Der Schyff, K (Kauthar) 1 1.0 1 0 0 100.0 1165.2 425.0 1590.2 View list
13 1140134761 Tshutshwana, I (Iminathi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1120138507 Shasha, I (Iyanda) 1 0.0 0 0 1 0.0 1266.2 -425.0 841.2 View list
15 1110097963 Pfaff, R (Ruben) 1 0.0 0 0 1 0.0 1281.7 -425.0 856.7 View list
16 1120147734 Moodley, K (Kartar) 1 0.0 0 0 1 0.0 1281.7 -425.0 856.7 View list
17 2120140969 Joel, R (Roneeq) 1 0.0 0 0 1 0.0 1215.1 -425.0 790.1 View list
18 1130138955 Anderson, J (Jean) 1 0.0 0 0 1 0.0 1215.1 -425.0 790.1 View list
19 1120190181 Adamski, E (Eddie) 1 0.0 0 0 1 0.0 1281.7 -425.0 856.7 View list
20 1120139311 Bessesen, J (Joakim) 1 0.0 0 0 1 0.0 1266.2 -425.0 841.2 View list