Player Page

Retief, J (Johannes)
Dob: 2014/10/24 (U12)
Gender: Male
Chess SA id: 1140191929
FIDE id:
Region: Sarah Baartman (ESB)
Citizen: RSA
Title(s):
Last active: 2024/08/03 (42 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 rating1379.0
Current Weighted rating1273.9
Current Weighted performance1358.9
Current official/published rating (highest between Raw, WR and WP)1379.0
Current highest rating achieved1396.8
Current floor (min rating allowed)896.8
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)±128.5
Current Raw change used (final)0.0
Projected new Raw rating1379.0
Projected new Weighed rating1174.5
Projected new Weighted performance1358.9
Projected new final Raw rating (if new WP > new Raw)1379.0
Projected new highest rating1396.8
Projected new floor896.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1379.0
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 rating1385.1
Current Weighted rating1278.9
Current Weighted performance1329.4
Current official/published rating (highest between Raw, WR and WP)1385.1
Current highest rating achieved1407.2
Current floor (min rating allowed)907.2
Current K-factor32
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)±127.4
Current Raw change used (final)0.0
Projected new Raw rating1385.1
Projected new Weighed rating1179.2
Projected new Weighted performance1329.4
Projected new final Raw rating (if new WP > new Raw)1385.1
Projected new highest rating1407.2
Projected new floor907.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1385.1
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 achieved0.0
Current floor (min rating allowed)700.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance505.1
Projected new final Raw rating (if new WP > new Raw)1200.0
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
8 Sarah Baartman District Schools Trials 2024 (U11 Boys) 2024/08/03 2024/08/03 Sarah Baartman (ESB) Rapid 35 0.66 5 5 4.0 1379.0 1200.0 Analysis
7 SBDCU Closed Trials 2024 (U12 Boys) 2024/07/27 2024/07/27 Sarah Baartman (ESB) Standard 62 0.84 5 5 2.5 1396.8 1407.2 Analysis
6 SBDCU Trial 3 2024 (U12) 2024/06/01 2024/06/01 Sarah Baartman (ESB) Standard 62 0.84 5 5 4.0 1369.0 1375.5 Analysis
5 Fountains Mall 2024 (Primary School) 2024/05/18 2024/05/18 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.5 1344.7 1364.2 Analysis
4 Mangaung Metro Chess 10-11 May 2024 (C) 2024/05/10 2024/05/11 Mangaung (FMB) Standard 62 0.84 5 5 3.5 1344.7 1364.2 Analysis
3 2024 HSDA Schools Tournament II (U9+U11) 2024/04/13 2024/04/13 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 5.0 1290.0 1302.6 Analysis
2 SBDCU Trial 2 2024 (U12) 2024/03/23 2024/03/23 Sarah Baartman (ESB) Standard 62 0.84 5 5 3.0 1270.9 1282.4 Analysis
1 SBDCU Trial 1 2024 (U12) 2024/02/24 2024/02/24 Sarah Baartman (ESB) Standard 62 0.84 6 6 5.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Sarah Baartman District Schools Trials 2024 (U11 Boys) 2024/08/03 2024/08/03 Sarah Baartman (ESB) Rapid 35 0.66 5 5 4.0 1379.0 1200.0 Analysis
7 SBDCU Closed Trials 2024 (U12 Boys) 2024/07/27 2024/07/27 Sarah Baartman (ESB) Standard 62 0.84 5 5 2.5 1396.8 1407.2 Analysis
6 SBDCU Trial 3 2024 (U12) 2024/06/01 2024/06/01 Sarah Baartman (ESB) Standard 62 0.84 5 5 4.0 1369.0 1375.5 Analysis
5 Fountains Mall 2024 (Primary School) 2024/05/18 2024/05/18 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.5 1344.7 1364.2 Analysis
4 Mangaung Metro Chess 10-11 May 2024 (C) 2024/05/10 2024/05/11 Mangaung (FMB) Standard 62 0.84 5 5 3.5 1344.7 1364.2 Analysis
3 2024 HSDA Schools Tournament II (U9+U11) 2024/04/13 2024/04/13 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 5.0 1290.0 1302.6 Analysis
2 SBDCU Trial 2 2024 (U12) 2024/03/23 2024/03/23 Sarah Baartman (ESB) Standard 62 0.84 5 5 3.0 1270.9 1282.4 Analysis
1 SBDCU Trial 1 2024 (U12) 2024/02/24 2024/02/24 Sarah Baartman (ESB) Standard 62 0.84 6 6 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 42 28 5 9 30.5 72.6 192.3 1235.0 1427.2
White 20 14 3 3 15.5 77.5 233.8 1235.1 1468.8
Black 22 14 2 6 15.0 68.2 154.5 1234.9 1389.4
Standard All 37 24 5 8 26.5 71.6 183.8 1228.5 1412.3
White 18 13 3 2 14.5 80.6 259.7 1229.8 1489.5
Black 19 11 2 6 12.0 63.2 111.8 1227.4 1339.2
Rapid All 5 4 0 1 4.0 80.0 255.0 1282.4 1537.4
White 2 1 0 1 1.0 50.0 0.0 1282.9 1282.9
Black 3 3 0 0 3.0 100.0 425.0 1282.1 1707.1
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 42 28 5 9 30.5 72.6 192.3 1235.0 1427.2
White 20 14 3 3 15.5 77.5 233.8 1235.1 1468.8
Black 22 14 2 6 15.0 68.2 154.5 1234.9 1389.4
Standard All 37 24 5 8 26.5 71.6 183.8 1228.5 1412.3
White 18 13 3 2 14.5 80.6 259.7 1229.8 1489.5
Black 19 11 2 6 12.0 63.2 111.8 1227.4 1339.2
Rapid All 5 4 0 1 4.0 80.0 255.0 1282.4 1537.4
White 2 1 0 1 1.0 50.0 0.0 1282.9 1282.9
Black 3 3 0 0 3.0 100.0 425.0 1282.1 1707.1
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 1130151695 Moller, C (Connor) 3 0.0 0 0 3 0.0 1348.9 -425.0 923.9 View list
2 1130153088 Fleurs, E (Eli) 2 1.5 1 1 0 75.0 1298.4 212.5 1510.9 View list
3 1140135614 Bruton, C (Caleb) 2 1.0 1 0 1 50.0 1387.9 0.0 1387.9 View list
4 1140143838 Manton, C (Charlie) 2 1.0 1 0 1 50.0 1320.0 0.0 1320.0 View list
5 1120151691 Geldenhuys, M (Marcell) 2 1.0 1 0 1 50.0 1284.5 0.0 1284.5 View list
6 1130301018 Muchenje, T (Tafaranashe) 1 1.0 2 0 0 100.0 1396.8 425.0 1821.8 View list
7 1130301018 Munchenje, T (Tafaranashe) 1 1.0 2 0 0 100.0 1270.9 425.0 1695.9 View list
8 1130146216 Campbell, J (Johnathan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1140191644 Mahapa, L (Lesedi) 1 1.0 1 0 0 100.0 1290.0 425.0 1715.0 View list
10 1140191925 Louis, K (Keanu) 1 1.0 1 0 0 100.0 1396.8 425.0 1821.8 View list
11 1130308405 Julies, B (Baraka) 1 1.0 1 0 0 100.0 1379.0 425.0 1804.0 View list
12 1120301023 Hudson, K (Keith) 1 1.0 1 0 0 100.0 1344.7 425.0 1769.7 View list
13 2130192451 Heyns, R (Rashnique) 1 1.0 1 0 0 100.0 1290.0 425.0 1715.0 View list
14 1130301014 Gunkel, C (Clifford) 1 1.0 1 0 0 100.0 1270.9 425.0 1695.9 View list
15 1140305814 Blom, A (Anthony) 1 1.0 1 0 0 100.0 1379.0 425.0 1804.0 View list
16 1140154765 Barendse, J (Jean) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1130160421 Fletcher, E (Ezrin) 1 1.0 1 0 0 100.0 1369.0 425.0 1794.0 View list
18 1130156835 Du Preez, J (Jody) 1 1.0 1 0 0 100.0 1290.0 425.0 1715.0 View list
19 1130159420 De Kock, M (Micah) 1 1.0 1 0 0 100.0 1290.0 425.0 1715.0 View list
20 2140160104 Nophale, S (Samkelo) 1 1.0 1 0 0 100.0 1344.7 425.0 1769.7 View list