Player Page

Joseph, R (Riaan)
Dob: 2007/01/06 (U18)
Gender: Male
Chess SA id: 107078602
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2023/02/18 (494 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 rating1178.0
Current Weighted rating1181.8
Current Weighted performance535.6
Current official/published rating (highest between Raw, WR and WP)1181.8
Current highest rating achieved1251.1
Current floor (min rating allowed)751.1
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)±171.1
Current Raw change used (final)0.0
Projected new Raw rating1178.0
Projected new Weighed rating1086.6
Projected new Weighted performance535.6
Projected new final Raw rating (if new WP > new Raw)1178.0
Projected new highest rating1251.1
Projected new floor751.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1178.0
Projected effective change (new Official - current Official)-3.8
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 rating1170.2
Current Weighted rating1174.6
Current Weighted performance522.2
Current official/published rating (highest between Raw, WR and WP)1174.6
Current highest rating achieved1261.6
Current floor (min rating allowed)761.6
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)±173.0
Current Raw change used (final)0.0
Projected new Raw rating1170.2
Projected new Weighed rating1079.9
Projected new Weighted performance522.2
Projected new final Raw rating (if new WP > new Raw)1170.2
Projected new highest rating1261.6
Projected new floor761.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1170.2
Projected effective change (new Official - current Official)-4.4
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 rating1222.8
Current Weighted rating1222.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1222.8
Current highest rating achieved1222.8
Current floor (min rating allowed)722.8
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)±160.5
Current Raw change used (final)0.0
Projected new Raw rating1222.8
Projected new Weighed rating1125.0
Projected new Weighted performance139.8
Projected new final Raw rating (if new WP > new Raw)1222.8
Projected new highest rating1222.8
Projected new floor722.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1222.8
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 rating1104.8
Current Weighted rating1104.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1104.8
Current highest rating achieved1104.8
Current floor (min rating allowed)604.8
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)±189.9
Current Raw change used (final)0.0
Projected new Raw rating1104.8
Projected new Weighed rating1016.4
Projected new Weighted performance64.9
Projected new final Raw rating (if new WP > new Raw)1104.8
Projected new highest rating1104.8
Projected new floor604.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1104.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 West Coast High School Championships 2023 (U17 Boys) 2023/02/18 2023/02/18 West Coast (WCU) Standard 60 0.83 6 3 0.0 1218.3 1217.7 Analysis
6 Bo-Weskus Skole Prestige 2020 (O13 Seuns) 2020/02/15 2020/02/15 West Coast (WCU) Standard 60 0.83 6 6 4.0 1188.1 1188.2 Analysis
5 Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns) 2019/03/02 2019/04/06 West Coast (WCU) Standard 60 0.83 6 6 3.0 1221.0 1231.4 Analysis
4 Bo-Weskus Skole Skaak Prestige 2019 (O13 Seuns) 2019/02/16 2019/02/16 West Coast (WCU) Rapid 30 0.60 7 7 5.0 1208.0 1200.0 Analysis
3 West Coast Open 2018 (C) 2018/04/28 2018/04/28 West Coast (WCU) Standard 70 0.87 5 5 3.0 1251.1 1261.6 Analysis
2 Freedom Day Blitz 2018 (Men) 2018/04/27 2018/04/27 West Coast (WCU) Blitz 5 0.18 7 7 2.0 1251.1 1200.0 Analysis
1 West Coast Schools Prestige Individual Championship 2018 (U11 Boys) 2018/03/10 2018/03/24 West Coast (WCU) Standard 60 0.83 6 3 3.0 1200.0 1200.0 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 37 20 0 17 20.0 54.1 34.5 1091.3 1125.8
White 17 9 0 8 9.0 52.9 25.0 1092.3 1117.3
Black 20 11 0 9 11.0 55.0 42.5 1090.5 1133.0
Standard All 23 13 0 10 13.0 56.5 55.4 1109.7 1165.1
White 11 5 0 6 5.0 45.5 -38.6 1156.2 1117.6
Black 12 8 0 4 8.0 66.7 141.7 1067.0 1208.7
Rapid All 7 5 0 2 5.0 71.4 182.1 1089.5 1271.6
White 3 3 0 0 3.0 100.0 425.0 1062.3 1487.3
Black 4 2 0 2 2.0 50.0 0.0 1109.9 1109.9
Blitz All 7 2 0 5 2.0 28.6 -182.1 1032.8 850.7
White 3 1 0 2 1.0 33.3 -141.7 887.7 746.1
Black 4 1 0 3 1.0 25.0 -212.5 1141.7 929.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1080131878 Meyer, J (Junior) 2 2.0 2 0 0 100.0 1194.0 425.0 1619.0 View list
2 1090096258 Ocks, E (Ethan) 2 2.0 2 0 0 100.0 1251.1 425.0 1676.1 View list
3 107057155 Pretorius, JB (Johnny) 2 1.0 1 0 1 50.0 1198.0 0.0 1198.0 View list
4 1060110560 Groenewald, R (Randuaan) 2 0.0 0 0 2 0.0 1214.5 -425.0 789.5 View list
5 1070131870 Februarie, R (Ronaldinho) 1 1.0 1 0 0 100.0 1188.1 425.0 1613.1 View list
6 1060110567 Cloete, J (Josh-Will) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
7 106068748 Cloete, H (Howard) 1 1.0 1 0 0 100.0 1221.0 425.0 1646.0 View list
8 1060110566 Cloete, C (Caleb) 1 1.0 1 0 0 100.0 1188.1 425.0 1613.1 View list
9 106002594 Booyse, P (Pedro) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
10 1060110579 Karelse, D (Daylon) 1 1.0 1 0 0 100.0 1221.0 425.0 1646.0 View list
11 1060110582 Koegelenberg, D (Daniel) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
12 206060328 Maarman, P (Perusha) 1 1.0 1 0 0 100.0 1251.1 425.0 1676.1 View list
13 1000099743 Maroem, D (Dyran) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1060100541 Hoofdt, N (Nikyle) 1 1.0 1 0 0 100.0 1251.1 425.0 1676.1 View list
15 1070110576 November, T (Thurston) 1 1.0 1 0 0 100.0 1188.1 425.0 1613.1 View list
16 1000099750 Shivano, N (Nero) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1070096249 Sithole, D (Dylan) 1 1.0 1 0 0 100.0 1251.1 425.0 1676.1 View list
18 1070110584 Valentyn, N (Ni-Kyle) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
19 106077632 Visser, J (Jp) 1 1.0 1 0 0 100.0 1221.0 425.0 1646.0 View list
20 185023092 Milfordt, A (Andre) 1 0.0 0 0 1 0.0 1251.1 -425.0 826.1 View list