Player Page

Ross, Z (Zayrah)
Dob: 2014/04/09 (U12)
Gender: Male
Chess SA id: 1140146478
FIDE id:
Region: John Taolo Gaetswewe (NCJ)
Citizen: RSA
Title(s):
Last active: 2023/05/20 (407 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 rating1233.0
Current Weighted rating1227.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1233.0
Current highest rating achieved1233.0
Current floor (min rating allowed)733.0
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)±158.2
Current Raw change used (final)0.0
Projected new Raw rating1233.0
Projected new Weighed rating1130.1
Projected new Weighted performance855.0
Projected new final Raw rating (if new WP > new Raw)1233.0
Projected new highest rating1233.0
Projected new floor733.0
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)=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 rating1236.8
Current Weighted rating1230.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1236.8
Current highest rating achieved1236.8
Current floor (min rating allowed)736.8
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)±157.3
Current Raw change used (final)0.0
Projected new Raw rating1236.8
Projected new Weighed rating1133.1
Projected new Weighted performance855.0
Projected new final Raw rating (if new WP > new Raw)1236.8
Projected new highest rating1236.8
Projected new floor736.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1236.8
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 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
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Inter Regional Chess Championship 2023 (U10) 2023/05/19 2023/05/20 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1218.5 1221.3 Analysis
2 Lejweleputswa 3rd Qualifieng Tournament 2023 (E) 2023/04/21 2023/04/21 Lejweleputswa (FLW) Standard 63 0.84 5 5 3.0 1201.3 1200.8 Analysis
1 Pixley Chess Trials 2022 (U10) 2022/09/03 2022/09/03 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 2.5 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 15 7 3 5 8.5 56.7 56.7 1213.7 1270.4
White 8 3 1 4 3.5 43.8 -53.1 1216.8 1163.7
Black 7 4 2 1 5.0 71.4 182.1 1210.2 1392.3
Standard All 15 7 3 5 8.5 56.7 56.7 1213.7 1270.4
White 8 3 1 4 3.5 43.8 -53.1 1216.8 1163.7
Black 7 4 2 1 5.0 71.4 182.1 1210.2 1392.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130153951 Van Wyk, G (Gert) 1 1.0 1 0 0 100.0 1201.3 425.0 1626.3 View list
2 2130153949 Sithole, E (Ellen) 1 1.0 1 0 0 100.0 1201.3 425.0 1626.3 View list
3 2150140888 Murphy, M (Melinke Frances-Laine) 1 1.0 1 0 0 100.0 1218.5 425.0 1643.5 View list
4 1140154830 Mqakelana, I (Iminathi) 1 1.0 1 0 0 100.0 1218.5 425.0 1643.5 View list
5 2150147000 Mokoena, N (Naledientle) 1 1.0 1 0 0 100.0 1218.5 425.0 1643.5 View list
6 1130153947 Khoele, M (Mohau) 1 1.0 1 0 0 100.0 1201.3 425.0 1626.3 View list
7 1130146476 Green, M (Melanique) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1140146475 De Noon, S (Stian Johanco) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 1130134185 Olivier, D (Delene) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
10 1140146479 Van Zyl, F (Frederick) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
11 1140134191 Vermeulen, P (Petrus Van Der Walt) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1120139354 Ravhura, L (Lufuno) 1 0.0 0 0 1 0.0 1201.3 -425.0 776.3 View list
13 1140132585 Murphy, S (Saul) 1 0.0 0 0 1 0.0 1218.5 -425.0 793.5 View list
14 1140130044 Boje, E (Erich) 1 0.0 0 0 1 0.0 1218.5 -425.0 793.5 View list
15 1140143832 Du Plessis, J (Johandre Jan-Phillip) 1 0.0 0 0 1 0.0 1201.3 -425.0 776.3 View list