Player Page

Mostert, JF (Cobus)
Dob: 1995/11/28 (Adult)
Gender: Male
Chess SA id: 195025231
FIDE id:
Region: Capricorn (LCP)
Citizen: RSA
Title(s):
Last active: 2023/07/15 (307 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 rating1270.1
Curent Weighted rating1261.2
Curent Weighted performance682.6
Current official/published rating (highest between Raw, WR and WP)1270.1
Current floor (min rating allowed)780.4
Current highest rating achieved1280.4
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)±150.1
Current Raw change used (final)0.0
Projected new Raw rating1270.1
Projected new Weighed rating1262.5
Projected new Weighted performance682.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1270.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1280.4
Projected new floor780.4
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 rating1245.8
Curent Weighted rating1245.5
Curent Weighted performance417.2
Current official/published rating (highest between Raw, WR and WP)1245.8
Current floor (min rating allowed)786.5
Current highest rating achieved1286.5
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)±155.3
Current Raw change used (final)0.0
Projected new Raw rating1245.8
Projected new Weighed rating1245.6
Projected new Weighted performance417.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1245.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1286.5
Projected new floor786.5
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 rating1307.8
Curent Weighted rating1295.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1307.8
Current floor (min rating allowed)807.8
Current highest rating achieved1307.8
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)±142.2
Current Raw change used (final)0.0
Projected new Raw rating1307.8
Projected new Weighed rating1296.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1307.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1307.8
Projected new floor807.8
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 rating1259.1
Curent Weighted rating1244.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1259.1
Current floor (min rating allowed)807.8
Current highest rating achieved1259.1
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)±152.4
Current Raw change used (final)0.0
Projected new Raw rating1259.1
Projected new Weighed rating1246.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1259.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1259.1
Projected new floor807.8
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Curro Durbanville Chess Open Rapid 2023 (Intermediate) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 3.5 1240.9 1265.8 Analysis
9 7th University of Limpopo Open 2019 (Open) 2019/09/14 2019/09/14 Capricorn (LCP) Standard 60 0.83 5 5 1.5 1252.0 1260.9 Analysis
8 Limpopo Grand Prix Series 01 2019 2019/02/23 2019/02/23 Capricorn (LCP) Standard 60 0.83 5 5 2.5 1235.3 1242.2 Analysis
7 2018 USSA Championship (Blitz) 2018/07/04 2018/07/04 Gert Sibande (MGS) Blitz 5 0.18 9 9 5.0 1280.4 1265.8 Analysis
6 2018 USSA Championship (Open) 2018/07/02 2018/07/06 Gert Sibande (MGS) Standard 90 0.94 9 9 3.0 1280.4 1286.5 Analysis
5 Strathvaal 2018 (Open) 2018/06/02 2018/06/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1261.6 1263.5 Analysis
4 Hervormde Kerk 2018 (Open) 2018/04/21 2018/04/21 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1252.3 1252.0 Analysis
3 Hervormde Kerk 2018 (A) 2018/03/10 2018/03/10 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1223.0 1214.2 Analysis
2 Wesvalia 2018 (Open) 2018/02/17 2018/02/17 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 0 0.0 1265.8 1265.8 Analysis
1 Laerskool Volkskool 2018 (A+B) 2018/02/03 2018/02/03 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 1.5 1265.8 1265.8 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 54 24 6 24 27.0 50.0 0.0 1254.2 1254.2
White 27 15 3 9 16.5 61.1 94.4 1217.2 1311.6
Black 27 9 3 15 10.5 38.9 -94.4 1291.3 1196.9
Standard All 39 16 5 18 18.5 47.4 -21.8 1270.1 1248.3
White 20 11 3 6 12.5 62.5 106.3 1245.4 1351.6
Black 19 5 2 12 6.0 31.6 -156.6 1296.2 1139.6
Rapid All 6 3 1 2 3.5 58.3 70.8 1333.8 1404.6
White 2 1 0 1 1.0 50.0 0.0 1262.0 1262.0
Black 4 2 1 1 2.5 62.5 106.3 1369.7 1475.9
Blitz All 9 5 0 4 5.0 55.6 47.2 1132.4 1179.6
White 5 3 0 2 3.0 60.0 85.0 1086.6 1171.6
Black 4 2 0 2 2.0 50.0 0.0 1189.7 1189.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 101001711 Bekker, GD (Gerhardus) 3 1.0 1 0 2 33.3 1247.0 -141.7 1105.4 View list
2 177017898 Letsoalo, TE (Thabo) 1 1.0 1 0 0 100.0 1252.0 425.0 1677.0 View list
3 183094326 Lesie, I (Itumeleng) 1 1.0 1 0 0 100.0 1261.6 425.0 1686.6 View list
4 1790098275 Le Roux, J (Jan-Antonie) 1 1.0 1 0 0 100.0 1223.0 425.0 1648.0 View list
5 195004887 Claassen, SM (Stephanus) 1 1.0 1 0 0 100.0 1252.3 425.0 1677.3 View list
6 105018698 Lubbe, DS (David) 1 1.0 1 0 0 100.0 1252.3 425.0 1677.3 View list
7 100000630 Andrews, D (Donovan) 1 1.0 1 0 0 100.0 1261.6 425.0 1686.6 View list
8 2070150247 Caeser, W (Waynika) 1 1.0 1 0 0 100.0 1240.9 425.0 1665.9 View list
9 102010662 Goliat, TT (Thamsanqa) 1 1.0 1 0 0 100.0 1223.0 425.0 1648.0 View list
10 200066802 Gcaiya, JN (Jeanette) 1 1.0 1 0 0 100.0 1252.3 425.0 1677.3 View list
11 200010067 Frylinck, LC (Louise) 1 1.0 1 0 0 100.0 1261.6 425.0 1686.6 View list
12 204047328 Fourie, EM (Elzette) 1 1.0 1 0 0 100.0 1265.8 425.0 1690.8 View list
13 198087453 Madlala, S (Sinqobile) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
14 192092547 Marubini, D (David) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
15 196092539 Minezha, K (Kelvin) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
16 193094322 Mogotsi, K (Karabo) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
17 100083405 Mqobongo, N (Nkululeko) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
18 1800110345 Nchabeleng, C (Collins) 1 1.0 1 0 0 100.0 1235.3 425.0 1660.3 View list
19 191076602 Nkosi, M (Minenhle) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
20 299044873 Raubenheimer, L (Lize) 1 1.0 1 0 0 100.0 1261.6 425.0 1686.6 View list