Player Page

Jefthas, Z (Zairon)
Dob: 2006/09/18 (U20)
Gender: Male
Chess SA id: 1060097997
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2020/02/15 (1744 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 rating1167.0
Current Weighted rating1167.0
Current Weighted performance374.9
Current official/published rating (highest between Raw, WR and WP)1167.0
Current highest rating achieved1167.0
Current floor (min rating allowed)667.0
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)±173.8
Current Raw change used (final)0.0
Projected new Raw rating1167.0
Projected new Weighed rating1073.6
Projected new Weighted performance374.9
Projected new final Raw rating (if new WP > new Raw)1167.0
Projected new highest rating1167.0
Projected new floor667.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1167.0
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 rating1145.2
Current Weighted rating1145.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1145.2
Current highest rating achieved1145.2
Current floor (min rating allowed)645.2
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)±179.3
Current Raw change used (final)0.0
Projected new Raw rating1145.2
Projected new Weighed rating1053.6
Projected new Weighted performance108.2
Projected new final Raw rating (if new WP > new Raw)1145.2
Projected new highest rating1145.2
Projected new floor645.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1145.2
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 rating1160.8
Current Weighted rating1160.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1160.8
Current highest rating achieved1160.8
Current floor (min rating allowed)660.8
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)±175.3
Current Raw change used (final)0.0
Projected new Raw rating1160.8
Projected new Weighed rating1067.9
Projected new Weighted performance355.3
Projected new final Raw rating (if new WP > new Raw)1160.8
Projected new highest rating1160.8
Projected new floor660.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1160.8
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 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
5 Cape Winelands Schools Trials 1 2020 (U15 Boys) 2020/02/15 2020/02/15 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1150.0 1125.6 Analysis
4 Cape Winelands Schools - Top Schools 2019 (U13 Mix) 2019/07/27 2019/07/27 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1133.9 1102.4 Analysis
3 Cape Winelands Schools Closed 2019 (U13 Boys) 2019/03/16 2019/03/17 Cape Winelands (WCW) Standard 60 0.83 7 7 3.5 1138.5 1200.0 Analysis
2 CW Schools Open 2019 (U13 Boys) 2019/02/02 2019/02/02 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1157.5 1128.4 Analysis
1 Cape Winelands Schools Trials 1 2018 (U13 Boys) 2018/03/03 2018/03/03 Cape Winelands (WCW) Rapid 30 0.60 6 6 1.5 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 35 14 8 13 18.0 51.4 12.1 1123.9 1136.0
White 17 6 3 8 7.5 44.1 -50.0 1132.0 1082.0
Black 18 8 5 5 10.5 58.3 70.8 1116.2 1187.0
Standard All 7 3 1 3 3.5 50.0 0.0 1127.0 1127.0
White 4 1 0 3 1.0 25.0 -212.5 1139.1 926.6
Black 3 2 1 0 2.5 83.3 283.3 1110.8 1394.1
Rapid All 28 11 7 10 14.5 51.8 15.2 1123.1 1138.3
White 13 5 3 5 6.5 50.0 0.0 1129.8 1129.8
Black 15 6 4 5 8.0 53.3 28.3 1117.2 1145.6
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 207087295 Meyson, T (Tharwah) 2 2.0 2 0 0 100.0 1133.9 425.0 1558.9 View list
2 107087288 Kram, R (Rexandro) 2 2.0 2 0 0 100.0 1133.9 425.0 1558.9 View list
3 107078342 King, B (Brandon) 2 1.0 0 2 0 50.0 1133.9 0.0 1133.9 View list
4 206072029 Jaap, I (Isabella) 2 1.0 0 2 0 50.0 1133.9 0.0 1133.9 View list
5 1080103429 Winter, C (Cuthanzario) 2 0.0 0 0 2 0.0 1133.9 -425.0 708.9 View list
6 106087287 Sacco, C (Clayton) 1 1.0 1 0 0 100.0 1150.0 425.0 1575.0 View list
7 1060108629 Kirchner, K (Keenan) 1 1.0 1 0 0 100.0 1150.0 425.0 1575.0 View list
8 107078344 Kemp, D (Daniel) 1 1.0 1 0 0 100.0 1138.5 425.0 1563.5 View list
9 106060482 Jonkers, D (Deon) 1 1.0 1 0 0 100.0 1138.5 425.0 1563.5 View list
10 107078353 De Wet, M (Malcolm) 1 1.0 1 0 0 100.0 1138.5 425.0 1563.5 View list
11 1050132369 Batoshie, B (Bradley) 1 1.0 1 0 0 100.0 1150.0 425.0 1575.0 View list
12 1060097103 September, M (Matthew) 1 1.0 1 0 0 100.0 1150.0 425.0 1575.0 View list
13 1060096742 Van Der Westhuizen, A (Andre) 1 1.0 1 0 0 100.0 1157.5 425.0 1582.5 View list
14 1050097104 Van Rooyen, D (De Villiers) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1070108647 Wooding, C (Connor) 1 1.0 1 0 0 100.0 1157.5 425.0 1582.5 View list
16 106078288 Africa, G (Gillmore) 1 0.5 0 1 0 50.0 1138.5 0.0 1138.5 View list
17 107064069 Drury, N (Nicholas) 1 0.5 0 1 0 50.0 1157.5 0.0 1157.5 View list
18 105078279 Philander, L (Lino) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
19 107049652 Jacobs, CJ (Christiaan) 1 0.5 0 1 0 50.0 1157.5 0.0 1157.5 View list
20 107082126 Saoud, J (Jassem) 1 0.0 0 0 1 0.0 1157.5 -425.0 732.5 View list