Player Page

John, R (Ruben)
Dob: 2006/01/06 (U20)
Gender: Male
Chess SA id: 1060141771
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (37 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 rating1466.0
Curent Weighted rating1343.6
Curent Weighted performance1459.7
Current official/published rating (highest between Raw, WR and WP)1466.0
Current floor (min rating allowed)966.0
Current highest rating achieved1466.0
Current K-factor32
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)±113.5
Current Raw change used (final)0.0
Projected new Raw rating1466.0
Projected new Weighed rating1355.8
Projected new Weighted performance1459.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1466.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1466.0
Projected new floor966.0
Projected new K-facor32
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 rating1475.8
Curent Weighted rating1321.4
Curent Weighted performance1469.4
Current official/published rating (highest between Raw, WR and WP)1475.8
Current floor (min rating allowed)975.8
Current highest rating achieved1475.8
Current K-factor32
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)±111.9
Current Raw change used (final)0.0
Projected new Raw rating1475.8
Projected new Weighed rating1336.9
Projected new Weighted performance1469.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1475.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1475.8
Projected new floor975.8
Projected new K-facor32
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 rating1242.1
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1242.1
Current floor (min rating allowed)742.1
Current highest rating achieved1242.1
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)±156.2
Current Raw change used (final)0.0
Projected new Raw rating1242.1
Projected new Weighed rating1204.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1242.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1242.1
Projected new floor742.1
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)742.1
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor742.1
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2nd Buffalo City Chess Trials 2024 (U20A) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1409.9 1410.9 Analysis
1 1st BC Chess Trials 2024 (U20+A) 2024/03/02 2024/03/02 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1360.0 1339.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 2nd Buffalo City Chess Trials 2024 (U20A) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1409.9 1410.9 Analysis
6 1st BC Chess Trials 2024 (U20+A) 2024/03/02 2024/03/02 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1360.0 1339.6 Analysis
5 4th BC HS Trials 2023 (U18A-Adult) 2023/08/26 2023/08/26 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1294.3 1269.4 Analysis
4 BC Chess Trials 1 of 5 2023 (Prestige) 2023/04/29 2023/04/29 Buffalo City (EBC) Standard 60 0.83 5 4 1.0 1308.0 1282.4 Analysis
3 3rd Vikings Champs 2023 (U18-Adults) 2023/03/23 2023/03/23 Buffalo City (EBC) Standard 60 0.83 5 5 4.5 1253.0 1200.0 Analysis
2 BC Chess Trials 5 of 5 2022 (A) 2022/06/11 2022/06/11 Buffalo City (EBC) Rapid 12 0.33 10 10 5.5 1228.6 1175.2 Analysis
1 BC Chess 4th Border Trials 2022 (A) 2022/05/21 2022/05/21 Buffalo City (EBC) Rapid 12 0.33 10 9 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 6 1 3 6.5 65.0 127.5 1464.8 1592.3
White 5 4 1 0 4.5 90.0 340.0 1386.8 1726.8
Black 5 2 0 3 2.0 40.0 -85.0 1542.8 1457.8
Standard All 10 6 1 3 6.5 65.0 127.5 1464.8 1592.3
White 5 4 1 0 4.5 90.0 340.0 1386.8 1726.8
Black 5 2 0 3 2.0 40.0 -85.0 1542.8 1457.8
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 43 25 3 15 26.5 61.6 98.8 1379.0 1477.9
White 22 16 3 3 17.5 79.5 251.1 1315.8 1567.0
Black 21 9 0 12 9.0 42.9 -60.7 1445.2 1384.5
Standard All 24 15 2 7 16.0 66.7 141.7 1389.3 1530.9
White 13 9 2 2 10.0 76.9 228.8 1342.5 1571.3
Black 11 6 0 5 6.0 54.5 38.6 1444.6 1483.2
Rapid All 19 10 1 8 10.5 55.3 44.7 1366.1 1410.8
White 9 7 1 1 7.5 83.3 283.3 1277.4 1560.7
Black 10 3 0 7 3.0 30.0 -170.0 1445.9 1275.9
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 106065282 Meise, K (Keagen) 3 0.0 0 0 3 0.0 1279.5 -425.0 854.5 View list
2 1120109254 Mazikana, E (Ethan) 2 2.0 2 0 0 100.0 1385.0 425.0 1810.0 View list
3 205056862 Becker, R (Robyn) 2 2.0 2 0 0 100.0 1214.3 425.0 1639.3 View list
4 108088680 Pearson, E (Ethan) 2 2.0 2 0 0 100.0 1214.3 425.0 1639.3 View list
5 206044984 Qangule, MK (Mandibonge) 2 2.0 2 0 0 100.0 1214.3 425.0 1639.3 View list
6 106065267 Becker, M (Matthew) 2 1.0 1 0 1 50.0 1268.3 0.0 1268.3 View list
7 189044421 Racaza, S (Sinovuyo) 2 0.5 0 1 1 25.0 1359.0 -212.5 1146.5 View list
8 1060104008 Totose, Z (Zimi) 2 0.0 0 0 2 0.0 1247.2 -425.0 822.2 View list
9 175013556 Jama, MG (Mxoni) 1 1.0 1 0 0 100.0 1228.6 425.0 1653.6 View list
10 2060098046 Jacobs, E (Elsje) 1 1.0 1 0 0 100.0 1360.0 425.0 1785.0 View list
11 1070153856 Gabela, L (Lomzi) 1 1.0 1 0 0 100.0 1294.3 425.0 1719.3 View list
12 1060109309 Martnitz, K (Keenan) 1 1.0 1 0 0 100.0 1228.6 425.0 1653.6 View list
13 194052815 Mafongosi, X (Xhanti) 1 1.0 1 0 0 100.0 1409.9 425.0 1834.9 View list
14 1070149015 Dabula, I (Inathi) 1 1.0 1 0 0 100.0 1294.3 425.0 1719.3 View list
15 110088674 Chang, S (Samuel) 1 1.0 1 0 0 100.0 1294.3 425.0 1719.3 View list
16 1060119505 Bwema, D (David) 1 1.0 1 0 0 100.0 1253.0 425.0 1678.0 View list
17 194003984 Buss, MJ (Matthew) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1060153261 Moumin, S (Salem) 1 1.0 1 0 0 100.0 1360.0 425.0 1785.0 View list
19 106066546 Ngculana, Z (Zachuma) 1 1.0 1 0 0 100.0 1294.3 425.0 1719.3 View list
20 1060114243 Nkonyeni, L (Lihle) 1 1.0 1 0 0 100.0 1253.0 425.0 1678.0 View list