Player Page

Marais, J (Juan-Pierre)
Dob: 2007/04/12 (U18)
Gender: Male
Chess SA id: 1070132506
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/06/22 (77 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 rating1392.9
Current Weighted rating1260.0
Current Weighted performance1356.5
Current official/published rating (highest between Raw, WR and WP)1392.9
Current highest rating achieved1392.9
Current floor (min rating allowed)892.9
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)±126.0
Current Raw change used (final)0.0
Projected new Raw rating1392.9
Projected new Weighed rating1162.0
Projected new Weighted performance1356.5
Projected new final Raw rating (if new WP > new Raw)1392.9
Projected new highest rating1392.9
Projected new floor892.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1392.9
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 rating1368.3
Current Weighted rating1267.0
Current Weighted performance1333.3
Current official/published rating (highest between Raw, WR and WP)1368.3
Current highest rating achieved1368.3
Current floor (min rating allowed)868.3
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)±130.5
Current Raw change used (final)0.0
Projected new Raw rating1368.3
Projected new Weighed rating1167.9
Projected new Weighted performance1333.3
Projected new final Raw rating (if new WP > new Raw)1368.3
Projected new highest rating1368.3
Projected new floor868.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1368.3
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 rating1205.0
Current Weighted rating1201.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1205.0
Current highest rating achieved1205.0
Current floor (min rating allowed)705.0
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)±164.6
Current Raw change used (final)0.0
Projected new Raw rating1205.0
Projected new Weighed rating1105.1
Projected new Weighted performance481.8
Projected new final Raw rating (if new WP > new Raw)1205.0
Projected new highest rating1205.0
Projected new floor705.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1205.0
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 rating1034.2
Current Weighted rating1034.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1034.2
Current highest rating achieved1034.2
Current floor (min rating allowed)534.2
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)±210.0
Current Raw change used (final)0.0
Projected new Raw rating1034.2
Projected new Weighed rating951.5
Projected new Weighted performance107.6
Projected new final Raw rating (if new WP > new Raw)1034.2
Projected new highest rating1034.2
Projected new floor534.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1034.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Willow Academy 2024 (A) 2024/06/22 2024/06/22 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 6 3.5 1380.5 1200.0 Analysis
5 Fountains Mall 2024 (B) 2024/05/17 2024/05/18 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.5 1302.6 1312.0 Analysis
4 Kouga Mayor's Cup Final 2024 (U17) 2024/04/12 2024/04/13 Sarah Baartman (ESB) Standard 62 0.84 5 5 3.5 1273.6 1281.0 Analysis
3 Kouga Mayor's Cup 2024 (U17) 2024/03/08 2024/03/09 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.0 1254.5 1265.2 Analysis
2 SBDCU Trial 1 2024 (U18) 2024/02/23 2024/02/24 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.5 1176.9 1200.0 Analysis
1 SBDCU Open 2024 (A) 2024/02/09 2024/02/10 Sarah Baartman (ESB) Standard 62 0.84 5 5 2.5 1176.9 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Willow Academy 2024 (A) 2024/06/22 2024/06/22 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 6 3.5 1380.5 1200.0 Analysis
7 Fountains Mall 2024 (B) 2024/05/17 2024/05/18 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.5 1302.6 1312.0 Analysis
6 Kouga Mayor's Cup Final 2024 (U17) 2024/04/12 2024/04/13 Sarah Baartman (ESB) Standard 62 0.84 5 5 3.5 1273.6 1281.0 Analysis
5 Kouga Mayor's Cup 2024 (U17) 2024/03/08 2024/03/09 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.0 1254.5 1265.2 Analysis
4 SBDCU Trial 1 2024 (U18) 2024/02/23 2024/02/24 Sarah Baartman (ESB) Standard 62 0.84 6 6 3.5 1176.9 1200.0 Analysis
3 SBDCU Open 2024 (A) 2024/02/09 2024/02/10 Sarah Baartman (ESB) Standard 62 0.84 5 5 2.5 1176.9 1200.0 Analysis
2 SBDCU Trial 1 2023 (U18-Open) 2023/03/05 2023/03/05 Sarah Baartman (ESB) Standard 60 0.83 5 0 0.0 1176.9 1200.0 Analysis
1 Smart Chess Blitz 2020 (U14) 2020/02/29 2020/02/29 Mangaung (FMB) Blitz 5 0.18 7 6 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 34 15 9 10 19.5 57.4 62.5 1340.0 1402.5
White 16 4 5 7 6.5 40.6 -79.7 1394.2 1314.6
Black 18 11 4 3 13.0 72.2 188.9 1291.8 1480.7
Standard All 28 12 8 8 16.0 57.1 60.7 1324.3 1385.0
White 13 3 5 5 5.5 42.3 -65.4 1372.6 1307.2
Black 15 9 3 3 10.5 70.0 170.0 1282.4 1452.4
Rapid All 6 3 1 2 3.5 58.3 70.8 1413.5 1484.4
White 3 1 0 2 1.0 33.3 -141.7 1488.1 1346.4
Black 3 2 1 0 2.5 83.3 283.3 1339.0 1622.3
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 40 15 9 16 19.5 48.8 -10.6 1314.3 1303.7
White 19 4 5 10 6.5 34.2 -134.2 1363.8 1229.6
Black 21 11 4 6 13.0 61.9 101.2 1269.5 1370.7
Standard All 28 12 8 8 16.0 57.1 60.7 1324.3 1385.0
White 13 3 5 5 5.5 42.3 -65.4 1372.6 1307.2
Black 15 9 3 3 10.5 70.0 170.0 1282.4 1452.4
Rapid All 6 3 1 2 3.5 58.3 70.8 1413.5 1484.4
White 3 1 0 2 1.0 33.3 -141.7 1488.1 1346.4
Black 3 2 1 0 2.5 83.3 283.3 1339.0 1622.3
Blitz All 6 0 0 6 0.0 0.0 -425.0 1168.5 743.5
White 3 0 0 3 0.0 0.0 -425.0 1201.5 776.5
Black 3 0 0 3 0.0 0.0 -425.0 1135.4 710.4
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090134448 Krieger, BCJ (Brian) 3 0.5 0 1 2 16.7 1276.9 -283.3 993.6 View list
2 1070134413 Steenkamp, D (Dirk) 2 2.0 2 0 0 100.0 1264.0 425.0 1689.0 View list
3 207059434 Carolus, CJ (Cayline) 2 1.0 0 2 0 50.0 1225.3 0.0 1225.3 View list
4 207094410 Magadla, L (Lathitha) 2 0.0 0 0 2 0.0 1215.7 -425.0 790.7 View list
5 1070140906 Smuts, A (Alexander) 2 0.0 0 0 2 0.0 1215.7 -425.0 790.7 View list
6 181018304 Lombard, P (Pierre) 1 1.0 1 0 0 100.0 1176.9 425.0 1601.9 View list
7 1080304720 Lemke, B (Ben) 1 1.0 1 0 0 100.0 1302.6 425.0 1727.6 View list
8 1080142414 Leander, J (Jaylin) 1 1.0 1 0 0 100.0 1273.6 425.0 1698.6 View list
9 2070134134 Ludick, L (Lindsay) 1 1.0 1 0 0 100.0 1254.5 425.0 1679.5 View list
10 108070881 Bouwer, R (Ruben) 1 1.0 1 0 0 100.0 1380.5 425.0 1805.5 View list
11 1080151219 Collett, S (Samuel) 1 1.0 1 0 0 100.0 1380.5 425.0 1805.5 View list
12 1070151726 Meshilinie, L (Layton) 1 1.0 1 0 0 100.0 1302.6 425.0 1727.6 View list
13 2100140917 Maziena, L (Lavanya) 1 1.0 1 0 0 100.0 1176.9 425.0 1601.9 View list
14 1080096476 Oosthuizen, S (Samuel) 1 1.0 1 0 0 100.0 1273.6 425.0 1698.6 View list
15 1060306409 Retief, P (Pieter) 1 1.0 1 0 0 100.0 1380.5 425.0 1805.5 View list
16 1070191945 Roberts, G (Gregan) 1 1.0 1 0 0 100.0 1176.9 425.0 1601.9 View list
17 1080134136 Terblanche, N (Nathaniel-Jayoen) 1 1.0 1 0 0 100.0 1176.9 425.0 1601.9 View list
18 1840304722 Van Gent, E (Ettienne) 1 1.0 1 0 0 100.0 1302.6 425.0 1727.6 View list
19 1100140439 Ackerdien, S (Saud) 1 0.5 0 1 0 50.0 1380.5 0.0 1380.5 View list
20 2060153614 Janse Van Rensburg, S (Sanmarie) 1 0.5 0 1 0 50.0 1176.9 0.0 1176.9 View list