Player Page

Ribbens, R (Reuben)
Dob: 2013/03/01 (U12)
Gender: Male
Chess SA id: 1130140635
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (19 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 rating1527.7
Current Weighted rating1476.5
Current Weighted performance1566.9
Current official/published rating (highest between Raw, WR and WP)1566.9
Current highest rating achieved1597.7
Current floor (min rating allowed)1097.7
Current K-factor32
Games played this month7
Score (S)6.5
Expected score (We)4.75
Difference (S-We)1.65
Current Raw change (no limits, including tournament time weight)52.6
Current min/max change allowed (with limits)±104.0
Current Raw change used (final)52.6
Projected new Raw rating1580.3
Projected new Weighed rating1358.8
Projected new Weighted performance1650.3
Projected new final Raw rating (if new WP > new Raw)1650.3
Projected new highest rating1650.3
Projected new floor1150.3
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1650.3
Projected effective change (new Official - current Official)+83.4
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 rating1525.2
Current Weighted rating1468.7
Current Weighted performance1566.9
Current official/published rating (highest between Raw, WR and WP)1566.9
Current highest rating achieved1594.0
Current floor (min rating allowed)1094.0
Current K-factor32
Games played this month7
Score (S)6.5
Expected score (We)4.77
Difference (S-We)1.73
Current Raw change (no limits, including tournament time weight)55.4
Current min/max change allowed (with limits)±104.3
Current Raw change used (final)55.4
Projected new Raw rating1580.6
Projected new Weighed rating1351.6
Projected new Weighted performance1650.3
Projected new final Raw rating (if new WP > new Raw)1650.3
Projected new highest rating1650.3
Projected new floor1150.3
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1650.3
Projected effective change (new Official - current Official)+83.4
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Tournament: 2024 Etienne Lewis (U12)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 6.5
Main rating: 1577.4  Rating gain/loss: 52.6
Type rating: 1576.8  Rating gain/loss: 55.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
12 2024 Etienne Lewis (U12) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 6.5 1577.4 1576.8 Analysis
11 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1527.7 1525.2 Analysis
10 2024 Midstream College Open Chess Tournament (U12) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1448.0 1442.5 Analysis
9 Menlopark Open Chess Tournament 2024 (U12) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1448.0 1442.5 Analysis
8 South African Junior Closed Chess Championship 2024 (U12 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 3.0 1488.3 1483.7 Analysis
7 Bojanala Olienpark's One For The Ages 2024 (Knights) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1373.5 1353.3 Analysis
6 Bojanala's Rating Express 2024 (Knights) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.5 1373.5 1353.3 Analysis
5 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1449.5 1434.9 Analysis
4 2024 Chris Greyling Open Chess Tournament (C) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1449.5 1434.9 Analysis
3 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1466.0 1453.5 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (B) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1483.4 1474.9 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1483.4 1474.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
33 2024 Etienne Lewis (U12) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 6.5 1577.4 1576.8 Analysis
32 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1527.7 1525.2 Analysis
31 2024 Midstream College Open Chess Tournament (U12) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1448.0 1442.5 Analysis
30 Menlopark Open Chess Tournament 2024 (U12) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1448.0 1442.5 Analysis
29 South African Junior Closed Chess Championship 2024 (U12 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 3.0 1488.3 1483.7 Analysis
28 Bojanala Olienpark's One For The Ages 2024 (Knights) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1373.5 1353.3 Analysis
27 Bojanala's Rating Express 2024 (Knights) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.5 1373.5 1353.3 Analysis
26 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1449.5 1434.9 Analysis
25 2024 Chris Greyling Open Chess Tournament (C) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1449.5 1434.9 Analysis
24 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1466.0 1453.5 Analysis
23 2024 Tshwane Chess OPEN Registration Tournament (B) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1483.4 1474.9 Analysis
22 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1483.4 1474.9 Analysis
21 Lardies Open Tournament 2023 (B) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1512.6 1509.5 Analysis
20 2023 African Youth Chess Championship 2023/09/02 2023/09/08 Egypt (EGY) Standard 120 1.00 9 9 6.0 1597.7 1594.0 Analysis
19 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 5.5 1480.6 1473.2 Analysis
18 2023 Gauteng Top Schools (U11 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 5.0 1480.6 1473.2 Analysis
17 2023 Tshwane South School District CLOSED League Championship (U11) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1441.2 1431.5 Analysis
16 2023 Menlo Open Tournament (C) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1441.2 1431.5 Analysis
15 2023 Elize Steenkamp Open Tournament (B) 2023/06/16 2023/06/16 Tshwane (GTP) Standard 90 0.94 6 6 2.5 1462.3 1452.6 Analysis
14 Gauteng Schools Individual Finals 2023 (U11 Boys) 2023/05/26 2023/05/26 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1456.7 1444.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 65 37 11 17 42.5 65.4 130.8 1367.9 1498.7
White 30 16 7 7 19.5 65.0 127.5 1359.3 1486.8
Black 35 21 4 10 23.0 65.7 133.6 1375.3 1508.8
Standard All 65 37 11 17 42.5 65.4 130.8 1367.9 1498.7
White 30 16 7 7 19.5 65.0 127.5 1359.3 1486.8
Black 35 21 4 10 23.0 65.7 133.6 1375.3 1508.8
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 179 117 17 45 125.5 70.1 170.9 1296.6 1467.6
White 88 56 12 20 62.0 70.5 173.9 1292.4 1466.3
Black 91 61 5 25 63.5 69.8 168.1 1300.7 1468.8
Standard All 179 117 17 45 125.5 70.1 170.9 1296.6 1467.6
White 88 56 12 20 62.0 70.5 173.9 1292.4 1466.3
Black 91 61 5 25 63.5 69.8 168.1 1300.7 1468.8
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130140475 Van Der Westhuizen, L (Lihan) 6 3.0 2 2 2 50.0 1430.0 0.0 1430.0 View list
2 2140135776 Roberts, F (Frans-Leigh) 5 3.5 3 1 1 70.0 1420.2 170.0 1590.2 View list
3 1130134043 De Bruin, H (Hanno) 4 4.0 4 0 0 100.0 1360.8 425.0 1785.8 View list
4 1120133903 Buchner, E (Emil) 3 3.0 3 0 0 100.0 1467.5 425.0 1892.5 View list
5 1140133936 Retief, M (Michael) 3 2.0 2 0 1 66.7 1381.3 141.7 1523.0 View list
6 1130134055 Swart, J (Jevan) 3 2.0 2 0 1 66.7 1381.5 141.7 1523.2 View list
7 1140134237 Barkhuizen, SJ (Simon Jurgens) 2 2.0 2 0 0 100.0 1552.6 425.0 1977.6 View list
8 1130134041 Botha, L (Logan) 2 2.0 2 0 0 100.0 1451.8 425.0 1876.8 View list
9 2140134240 Du Plessis, M (Mia) 2 2.0 2 0 0 100.0 1364.5 425.0 1789.5 View list
10 1120133904 Fokker, CD (Christiaan Dirk) 2 2.0 2 0 0 100.0 1452.6 425.0 1877.6 View list
11 1150144109 Nkabinde, N (Nkazimulo) 2 2.0 2 0 0 100.0 1453.6 425.0 1878.6 View list
12 2130137401 Pistorius, A (Anabelle) 2 2.0 2 0 0 100.0 1328.7 425.0 1753.7 View list
13 1130108360 Sathish, A (Aarya) 2 2.0 2 0 0 100.0 1325.6 425.0 1750.6 View list
14 1130130105 Slabbert, M (Marko) 2 2.0 2 0 0 100.0 1361.1 425.0 1786.1 View list
15 1130143710 Terblanche, B (Bernard) 2 2.0 2 0 0 100.0 1373.5 425.0 1798.5 View list
16 1130136645 Truscott, A (Adriaan) 2 2.0 2 0 0 100.0 1332.3 425.0 1757.3 View list
17 2130140636 Truscott, A (Ane) 2 2.0 2 0 0 100.0 1206.2 425.0 1631.2 View list
18 1130133911 Butner, J (James) 2 1.0 1 0 1 50.0 1337.0 0.0 1337.0 View list
19 1120139981 Kirstein, T (Tinus Ederich) 2 1.0 1 0 1 50.0 1500.4 0.0 1500.4 View list
20 1130131224 Minny, O (Oban) 2 1.0 1 0 1 50.0 1415.2 0.0 1415.2 View list