Player Page

Jantjies, J (Jowan)
Dob: 2002/07/14 (Adult)
Gender: Male
Chess SA id: 102083810
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2019/10/27 (1665 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 rating1141.7
Curent Weighted rating1141.7
Curent Weighted performance450.9
Current official/published rating (highest between Raw, WR and WP)1141.7
Current floor (min rating allowed)664.7
Current highest rating achieved1164.7
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)±180.2
Current Raw change used (final)0.0
Projected new Raw rating1141.7
Projected new Weighed rating1141.7
Projected new Weighted performance450.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1141.7
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1164.7
Projected new floor664.7
Projected new K-facor40
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 rating1115.6
Curent Weighted rating1115.6
Curent Weighted performance440.5
Current official/published rating (highest between Raw, WR and WP)1115.6
Current floor (min rating allowed)639.6
Current highest rating achieved1139.6
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)±187.0
Current Raw change used (final)0.0
Projected new Raw rating1115.6
Projected new Weighed rating1115.6
Projected new Weighted performance440.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1115.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1139.6
Projected new floor639.6
Projected new K-facor40
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 rating729.7
Curent Weighted rating729.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)729.7
Current floor (min rating allowed)500.0
Current highest rating achieved729.7
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)±324.1
Current Raw change used (final)0.0
Projected new Raw rating729.7
Projected new Weighed rating729.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)729.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating729.7
Projected new floor500.0
Projected new K-facor40
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 rating640.9
Curent Weighted rating640.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)640.9
Current floor (min rating allowed)500.0
Current highest rating achieved640.9
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)±367.8
Current Raw change used (final)0.0
Projected new Raw rating640.9
Projected new Weighed rating640.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)640.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating640.9
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 2019 Western Cape Club Championship (A+B) 2019/10/25 2019/10/27 Overberg (WOS) Standard 65 0.85 6 5 2.0 1159.4 1136.4 Analysis
12 Eden Top Schools 2019 (U18) 2019/07/20 2019/07/20 Eden District (WEG) Standard 60 0.83 5 5 3.0 1164.7 1139.6 Analysis
11 Oyster Rapid Chess Festival 2019 2019/06/30 2019/06/30 Eden District (WEG) Rapid 25 0.54 6 6 3.0 1161.5 643.7 Analysis
10 Eden Trials 1 2019 (U18 Open) 2019/03/02 2019/03/02 Eden District (WEG) Standard 60 0.83 5 5 2.5 1122.2 1106.5 Analysis
9 Hessequa Proewe 3 2019 (O18) 2019/02/23 2019/02/23 Eden District (WEG) Standard 60 0.83 5 4 3.0 834.0 810.4 Analysis
8 Hessequa Proewe 2 2019 (O18) 2019/02/16 2019/02/16 Eden District (WEG) Standard 60 0.83 5 3 2.0 834.0 810.4 Analysis
7 Hessequa Proewe 1 2019 (O18) 2019/01/26 2019/01/26 Eden District (WEG) Standard 60 0.83 5 5 2.5 745.6 723.3 Analysis
6 Eden Chess League 2018 (3rd Division) 2018/09/01 2018/09/01 Eden District (WEG) Rapid 30 0.60 7 5 2.0 716.2 640.9 Analysis
5 EDENSC Closed 3 2018 (U18 Open) 2018/05/12 2018/05/12 Eden District (WEG) Standard 60 0.83 5 4 0.5 737.1 749.7 Analysis
4 EDENSC Closed 2 2018 (U18 (Open) 2018/04/14 2018/04/14 Eden District (WEG) Standard 60 0.83 5 5 2.5 694.3 698.9 Analysis
3 Western Cape Club Championships 2018 2018/03/16 2018/03/17 Eden District (WEG) Standard 60 0.83 6 2 0.0 675.7 675.7 Analysis
2 EDENSC Closed 1 2018 (U18) 2018/03/10 2018/03/10 Eden District (WEG) Standard 60 0.83 5 5 2.0 675.7 675.7 Analysis
1 South African Junior Team Championships 2017 (U16D) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 5 2.0 640.9 640.9 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 64 28 4 32 30.0 46.9 -26.6 1044.5 1018.0
White 35 21 3 11 22.5 64.3 121.4 1075.1 1196.6
Black 29 7 1 21 7.5 25.9 -205.2 1007.6 802.4
Standard All 53 23 4 26 25.0 47.2 -24.1 1034.9 1010.8
White 30 18 3 9 19.5 65.0 127.5 1074.2 1201.7
Black 23 5 1 17 5.5 23.9 -221.7 983.5 761.8
Rapid All 11 5 0 6 5.0 45.5 -38.6 1091.0 1052.4
White 5 3 0 2 3.0 60.0 85.0 1080.4 1165.4
Black 6 2 0 4 2.0 33.3 -141.7 1099.8 958.1
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 203078167 Arendse, A (Amy-Leigh) 3 3.0 3 0 0 100.0 1054.5 425.0 1479.5 View list
2 1030108593 Saayman, R (Roderick) 3 2.5 2 1 0 83.3 900.6 283.3 1183.9 View list
3 104088339 Geysman, K (Keallin) 2 2.0 2 0 0 100.0 1164.7 425.0 1589.7 View list
4 201047585 Koen, A (Andrea) 2 2.0 2 0 0 100.0 1164.7 425.0 1589.7 View list
5 103009749 Fourie, C (Corne) 2 0.0 0 0 2 0.0 1164.7 -425.0 739.7 View list
6 103048759 Heynse, C (Christiano) 2 0.0 0 0 2 0.0 834.0 -425.0 409.0 View list
7 104061044 Mentoor, M (Mason) 2 0.0 0 0 2 0.0 1164.7 -425.0 739.7 View list
8 109088305 Fredericks, J (Jean Pierre) 1 1.0 1 0 0 100.0 1161.5 425.0 1586.5 View list
9 1110102781 Adams, J (Jay-D) 1 1.0 1 0 0 100.0 1161.5 425.0 1586.5 View list
10 1050104301 Blaauw, L (Lucin) 1 1.0 1 0 0 100.0 1159.4 425.0 1584.4 View list
11 102006330 De Bruyn, A (Adriaan) 1 1.0 1 0 0 100.0 834.0 425.0 1259.0 View list
12 189003492 Bridges, C (Cai) 1 1.0 1 0 0 100.0 1161.5 425.0 1586.5 View list
13 209088301 George, J (Jamie-Lee) 1 1.0 1 0 0 100.0 716.2 425.0 1141.2 View list
14 103078181 Greeff, B (Ben) 1 1.0 1 0 0 100.0 1122.2 425.0 1547.2 View list
15 1020104318 Groenewald, A (Anwille) 1 1.0 1 0 0 100.0 716.2 425.0 1141.2 View list
16 2030109696 Hanekom, N (Nicola) 1 1.0 1 0 0 100.0 834.0 425.0 1259.0 View list
17 103088355 Isaks, C (Christopher) 1 1.0 1 0 0 100.0 1122.2 425.0 1547.2 View list
18 103014718 Jurisich, J (Jared) 1 1.0 1 0 0 100.0 640.9 425.0 1065.9 View list
19 1020098495 Kiewietz, B (Brandon) 1 1.0 1 0 0 100.0 694.3 425.0 1119.3 View list
20 102065462 Klim, E (Eathan) 1 1.0 1 0 0 100.0 745.6 425.0 1170.6 View list