Player Page

Grobler, R (Rowan)
Dob: 2011/08/16 (U14)
Gender: Male
Chess SA id: 1110140037
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (26 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 rating1412.7
Curent Weighted rating1372.4
Curent Weighted performance1405.3
Current official/published rating (highest between Raw, WR and WP)1412.7
Current floor (min rating allowed)1003.6
Current highest rating achieved1503.6
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)±122.5
Current Raw change used (final)0.0
Projected new Raw rating1412.7
Projected new Weighed rating1373.9
Projected new Weighted performance1405.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1412.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1503.6
Projected new floor1003.6
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 rating1411.0
Curent Weighted rating1376.3
Curent Weighted performance1403.6
Current official/published rating (highest between Raw, WR and WP)1411.0
Current floor (min rating allowed)1006.0
Current highest rating achieved1506.0
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)±122.8
Current Raw change used (final)0.0
Projected new Raw rating1411.0
Projected new Weighed rating1377.5
Projected new Weighted performance1403.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1411.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1506.0
Projected new floor1006.0
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 rating1145.2
Curent Weighted rating1164.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1164.4
Current floor (min rating allowed)645.2
Current highest rating achieved1145.2
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)±179.3
Current Raw change used (final)0.0
Projected new Raw rating1145.2
Projected new Weighed rating1161.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1161.8
Projected effective change (new Official - current Official)-2.6
Projected new highest rating1145.2
Projected new floor645.2
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 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)645.2
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 floor645.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1387.5 1392.3 Analysis
3 Bojanala's Rating Express 2024 (Bishops) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1387.5 1392.3 Analysis
2 Bojanala Closed Chess Championships Finals 2024 (U14) 2024/02/09 2024/02/11 Bojanala Platina (NBR) Standard 120 1.00 5 5 2.5 1339.3 1353.4 Analysis
1 Bojanala Closed Chess Championships Stage 1 2024 (U14) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.5 1283.3 1286.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1387.5 1392.3 Analysis
22 Bojanala's Rating Express 2024 (Bishops) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1387.5 1392.3 Analysis
21 Bojanala Closed Chess Championships Finals 2024 (U14) 2024/02/09 2024/02/11 Bojanala Platina (NBR) Standard 120 1.00 5 5 2.5 1339.3 1353.4 Analysis
20 Bojanala Closed Chess Championships Stage 1 2024 (U14) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.5 1283.3 1286.5 Analysis
19 2023 Cross Border Chess Championships Gaborone vs Bojanala 2023/12/14 2023/12/16 Botswana (BOT) Standard 120 1.00 5 5 3.0 1327.9 1344.1 Analysis
18 Bojanala's Merry ChessMas 2023 (Rooks) 2023/12/09 2023/12/09 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 1327.9 1344.1 Analysis
17 Bojanala School League 2023 (Primary School Open) 2023/08/19 2023/08/19 Bojanala Platina (NBR) Rapid 40 0.70 5 5 1.0 1386.1 1200.0 Analysis
16 Bojanala's Rosewood 2023 (Rooks) 2023/08/12 2023/08/12 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1386.1 1381.5 Analysis
15 Bojanala's FIDE in the Sparkling Waters 2023 (Rooks) 2023/07/28 2023/07/30 Bojanala Platina (NBR) Standard 120 1.00 6 6 2.5 1422.3 1416.4 Analysis
14 Grenswag's Community Battle 2023 (Rooks) 2023/04/22 2023/04/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1406.1 1395.9 Analysis
13 Schoemies Kings & Queens 2023 (Rooks) 2023/03/18 2023/03/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1442.0 1439.7 Analysis
12 One For The Ages 2023 (U14) 2023/02/18 2023/02/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1426.1 1422.1 Analysis
11 2022 South African Junior Team Chess Championships (U12 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 5.0 1419.1 1415.1 Analysis
10 West Rand vs Bojanala 2022 (U12A) 2022/11/05 2022/11/05 Bojanala Platina (NBR) Standard 60 0.83 6 6 3.0 1430.0 1427.6 Analysis
9 FIDE at The King`s Gate 2.0 2022 (C) 2022/10/22 2022/10/22 Bojanala Platina (NBR) Standard 92 0.94 5 5 2.0 1502.5 1506.0 Analysis
8 Bojanala SAJCC Trials 2022 (U12) 2022/09/23 2022/09/23 Bojanala Platina (NBR) Standard 120 1.00 5 5 3.0 1503.6 1497.0 Analysis
7 Larries The Final Wild Card Tournament 2022 (U12) 2022/09/17 2022/09/17 Bojanala Platina (NBR) Standard 60 0.83 5 4 4.0 1503.6 1497.0 Analysis
6 Bojanala Chess Federation Wildcards 2022 (U12) 2022/08/20 2022/08/20 Bojanala Platina (NBR) Standard 62 0.84 5 5 4.0 1502.5 1495.1 Analysis
5 2nd One For The Ages 2022 (U12) 2022/07/30 2022/07/30 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 1342.0 1364.3 Analysis
4 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) 2022/07/22 2022/07/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1342.0 1364.3 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 19 10 4 5 12.0 63.2 111.8 1365.8 1477.6
White 8 5 2 1 6.0 75.0 212.5 1400.5 1613.0
Black 11 5 2 4 6.0 54.5 38.6 1340.6 1379.2
Standard All 19 10 4 5 12.0 63.2 111.8 1365.8 1477.6
White 8 5 2 1 6.0 75.0 212.5 1400.5 1613.0
Black 11 5 2 4 6.0 54.5 38.6 1340.6 1379.2
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 116 70 7 39 73.5 63.4 113.6 1286.9 1400.5
White 56 34 4 18 36.0 64.3 121.4 1283.8 1405.2
Black 60 36 3 21 37.5 62.5 106.3 1289.8 1396.1
Standard All 111 69 7 35 72.5 65.3 130.2 1280.4 1410.6
White 54 33 4 17 35.0 64.8 125.9 1280.6 1406.5
Black 57 36 3 18 37.5 65.8 134.2 1280.3 1414.5
Rapid All 5 1 0 4 1.0 20.0 -255.0 1430.9 1175.9
White 2 1 0 1 1.0 50.0 0.0 1370.9 1370.9
Black 3 0 0 3 0.0 0.0 -425.0 1470.9 1045.9
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 1110099324 Roos, J (Justin) 6 2.0 2 0 4 33.3 1387.5 -141.7 1245.8 View list
2 1110136394 Botha, J (Johannes Cornelis) 5 2.5 2 1 2 50.0 1403.0 0.0 1403.0 View list
3 1110136771 Watt, C (Chad) 4 3.0 3 0 1 75.0 1407.4 212.5 1619.9 View list
4 1120133385 Myburgh, B (Braydan) 3 3.0 3 0 0 100.0 1449.4 425.0 1874.4 View list
5 1120117881 Potgieter, R (Reinhardt) 3 3.0 3 0 0 100.0 1411.0 425.0 1836.0 View list
6 1110131242 Changara, A (Adiel Tavonga) 3 2.0 2 0 1 66.7 1378.1 141.7 1519.7 View list
7 1110143714 Terblanche, J (Johann) 3 2.0 2 0 1 66.7 1399.9 141.7 1541.6 View list
8 1110099325 Nortman, WJ (Wilhelmus Johan) 3 1.0 1 0 2 33.3 1390.5 -141.7 1248.8 View list
9 1130131230 Changara, A (Alvis Tafadzwa) 3 0.5 0 1 2 16.7 1367.2 -283.3 1083.8 View list
10 211093260 Jansen Van Vuuren, M (Mari) 2 2.0 2 0 0 100.0 1464.8 425.0 1889.8 View list
11 2120111293 Gouws, K (Karah) 2 2.0 2 0 0 100.0 1422.8 425.0 1847.8 View list
12 1100148730 Nkabinde, L (Lwazi) 2 2.0 2 0 0 100.0 1357.0 425.0 1782.0 View list
13 1100132783 Sehunwe, L (Lethlogonolo) 2 2.0 2 0 0 100.0 1354.4 425.0 1779.4 View list
14 2110136768 Monare, O (Oratilwe) 2 1.5 1 1 0 75.0 1404.9 212.5 1617.4 View list
15 1110140059 Tshetlhe, B (Blessing) 2 1.5 1 1 0 75.0 1269.7 212.5 1482.2 View list
16 2110141710 Dikolomela, T (Tlhogi) 2 1.0 2 0 1 50.0 1424.0 0.0 1424.0 View list
17 1090131247 Changara, A (Adrian Tafara) 2 1.0 1 0 1 50.0 1367.0 0.0 1367.0 View list
18 2070145129 Lekgabe, O (Olaotse Ipeleng) 2 0.5 0 1 1 25.0 1444.3 -212.5 1231.8 View list
19 1110135703 Bain, M (Michael) 2 0.0 0 0 2 0.0 1420.7 -425.0 995.7 View list
20 111092671 Van Der Berg, KW (Kai) 2 0.0 0 0 2 0.0 1342.0 -425.0 917.0 View list