Player Page

Mostert, J (Jan-Abraham)
Dob: 2004/03/26 (Adult)
Gender: Male
Chess SA id: 104025229
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2020/03/15 (1533 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 rating1278.6
Curent Weighted rating1278.6
Curent Weighted performance606.1
Current official/published rating (highest between Raw, WR and WP)1278.6
Current floor (min rating allowed)819.5
Current highest rating achieved1319.5
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)±148.2
Current Raw change used (final)0.0
Projected new Raw rating1278.6
Projected new Weighed rating1278.6
Projected new Weighted performance606.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1278.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1319.5
Projected new floor819.5
Projected new K-facor36
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 rating1272.5
Curent Weighted rating1272.5
Curent Weighted performance603.2
Current official/published rating (highest between Raw, WR and WP)1272.5
Current floor (min rating allowed)813.5
Current highest rating achieved1313.5
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)±149.5
Current Raw change used (final)0.0
Projected new Raw rating1272.5
Projected new Weighed rating1272.5
Projected new Weighted performance603.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1272.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1313.5
Projected new floor813.5
Projected new K-facor36
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 rating1074.0
Curent Weighted rating1074.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1074.0
Current floor (min rating allowed)594.0
Current highest rating achieved1094.0
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)±198.4
Current Raw change used (final)0.0
Projected new Raw rating1074.0
Projected new Weighed rating1074.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1074.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1094.0
Projected new floor594.0
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 rating1074.0
Curent Weighted rating1074.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1074.0
Current floor (min rating allowed)594.0
Current highest rating achieved1094.0
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)±198.4
Current Raw change used (final)0.0
Projected new Raw rating1074.0
Projected new Weighed rating1074.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1074.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1094.0
Projected new floor594.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
22 Western Cape Schools 2020 (U18 Boys) 2020/03/14 2020/03/15 Cape Town (WCT) Standard 60 0.83 5 4 1.0 1223.2 1222.0 Analysis
21 Eden Schools Closed Trials 1 2020 (U18 Boys) 2020/03/07 2020/03/07 Eden District (WEG) Standard 65 0.85 5 5 4.5 1223.2 1222.0 Analysis
20 George Trial 2 2020 (U18+U20) 2020/02/08 2020/02/08 Eden District (WEG) Standard 65 0.85 5 4 2.5 1208.5 1204.4 Analysis
19 George Trial 1 2020 (U18+U20) 2020/01/25 2020/01/25 Eden District (WEG) Standard 65 0.85 5 5 3.0 1242.4 1224.9 Analysis
18 2019 South African Junior Team Championships (U16B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.0 1242.4 1224.9 Analysis
17 George Open Chess Tournament 2019 (B) 2019/11/30 2019/12/01 Eden District (WEG) Standard 65 0.85 6 5 1.0 1319.5 1313.5 Analysis
16 Eden Top Schools 2019 (U15) 2019/07/20 2019/07/20 Eden District (WEG) Standard 60 0.83 5 5 4.0 1277.9 1274.6 Analysis
15 Eden Trials 3 2019 (U16 Open) 2019/05/11 2019/05/11 Eden District (WEG) Standard 60 0.83 5 5 3.5 1265.6 1263.1 Analysis
14 Western Cape Schools Individuals 2019 (U15 Boys) 2019/05/04 2019/05/05 Eden District (WEG) Standard 60 0.83 6 6 3.0 1265.6 1263.1 Analysis
13 Eden Trials 2 2019 (U16 Open) 2019/04/13 2019/04/13 Eden District (WEG) Standard 60 0.83 5 5 4.0 1242.0 1242.0 Analysis
12 Eden Trials 1 2019 (U16 Open) 2019/03/02 2019/03/02 Eden District (WEG) Standard 60 0.83 5 5 4.0 1234.2 1235.2 Analysis
11 George Trials 2 2019 (U16) 2019/02/09 2019/02/09 Eden District (WEG) Standard 60 0.83 5 5 4.0 1192.1 1196.8 Analysis
10 George Trials 1 2019 (U16) 2019/01/26 2019/01/26 Eden District (WEG) Standard 60 0.83 5 5 4.0 1175.4 1177.7 Analysis
9 South African Junior Team Championships 2018 (U16A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 1.0 1228.7 1232.1 Analysis
8 Western Cape Top Schools 2018 (U15 Mix) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 5 4.0 1206.0 1202.9 Analysis
7 Western Cape Schools Individuals 2018 (U15 Boys) 2018/05/19 2018/05/20 Overberg (WOS) Standard 60 0.83 6 6 3.5 1185.7 1187.5 Analysis
6 EDENSC Closed 3 2018 (U16 Open) 2018/05/12 2018/05/12 Eden District (WEG) Standard 60 0.83 5 5 2.5 1185.7 1187.5 Analysis
5 EDENSC Closed 2 2018 (U16 Open) 2018/04/14 2018/04/14 Eden District (WEG) Standard 60 0.83 5 5 4.0 1169.7 1182.8 Analysis
4 EDENSC Closed 1 2018 (U16 Boys) 2018/03/10 2018/03/10 Eden District (WEG) Standard 60 0.83 5 5 3.5 1137.5 1145.2 Analysis
3 George Trails 2 2018 (U16) 2018/02/10 2018/02/10 Eden District (WEG) Standard 60 0.83 5 5 4.5 1102.3 1102.8 Analysis
12
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 121 69 15 37 76.5 63.2 112.4 1129.2 1241.6
White 59 43 7 9 46.5 78.8 244.9 1082.9 1327.8
Black 62 26 8 28 30.0 48.4 -13.7 1173.3 1159.6
Standard All 121 69 15 37 76.5 63.2 112.4 1129.2 1241.6
White 59 43 7 9 46.5 78.8 244.9 1082.9 1327.8
Black 62 26 8 28 30.0 48.4 -13.7 1173.3 1159.6
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 104055803 Stuurman, L (Luciano) 4 2.0 2 0 2 50.0 1261.3 0.0 1261.3 View list
2 104078172 Muller, L (Luzane) 3 2.0 2 0 1 66.7 1273.8 141.7 1415.5 View list
3 103009749 Fourie, C (Corne) 3 1.5 1 1 1 50.0 1189.3 0.0 1189.3 View list
4 103078196 Campbell, G (Grant) 3 0.0 0 0 3 0.0 1224.7 -425.0 799.7 View list
5 104054162 Barnard, S (Stephan) 2 2.0 2 0 0 100.0 1121.8 425.0 1546.8 View list
6 1050117271 Damons, L (Leighton) 2 2.0 2 0 0 100.0 1277.9 425.0 1702.9 View list
7 104088344 Dilman, L (Laythum) 2 2.0 2 0 0 100.0 1177.7 425.0 1602.7 View list
8 104049062 Lewis, T (Tyler) 2 2.0 2 0 0 100.0 1119.9 425.0 1544.9 View list
9 104051728 Muller, EA (Euan A) 2 2.0 2 0 0 100.0 1235.8 425.0 1660.8 View list
10 103054175 Odendaal, J (Juan) 2 2.0 2 0 0 100.0 1172.3 425.0 1597.3 View list
11 104040032 Van Loggerenberg, P (Pierre) 2 2.0 2 0 0 100.0 1200.3 425.0 1625.3 View list
12 1040099878 Van Zyl, J (Jeandre) 2 2.0 2 0 0 100.0 1225.7 425.0 1650.7 View list
13 1040107895 Witbooi, B (Bennidict) 2 2.0 2 0 0 100.0 1277.9 425.0 1702.9 View list
14 1020131131 Hannies, D (Deacon) 2 1.5 1 1 0 75.0 1215.8 212.5 1428.3 View list
15 204075220 Muller, J (Janke) 2 1.5 1 1 0 75.0 1169.8 212.5 1382.3 View list
16 104009024 Erasmus, W (Wiaan) 2 1.0 1 0 1 50.0 1280.8 0.0 1280.8 View list
17 104055802 Sefoor, F (Fayden) 2 1.0 1 0 1 50.0 1177.7 0.0 1177.7 View list
18 103078180 Simons, E (Elroy) 2 1.0 1 0 1 50.0 1177.7 0.0 1177.7 View list
19 105048751 Venter, L (Lian) 2 0.5 0 1 1 25.0 1213.2 -212.5 1000.7 View list
20 105065442 Kleinhans, T (Theo) 2 0.0 0 0 2 0.0 1277.9 -425.0 852.9 View list