Player Page

Davids, R (Rafael)
Dob: 2007/06/22 (U18)
Gender: Male
Chess SA id: 107078359
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/22 (41 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 rating1537.4
Curent Weighted rating1474.0
Curent Weighted performance1509.9
Current official/published rating (highest between Raw, WR and WP)1537.4
Current floor (min rating allowed)1037.4
Current highest rating achieved1537.4
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)±102.5
Current Raw change used (final)0.0
Projected new Raw rating1537.4
Projected new Weighed rating1480.6
Projected new Weighted performance1509.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1537.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1537.4
Projected new floor1037.4
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 rating1521.5
Curent Weighted rating1456.4
Curent Weighted performance1490.2
Current official/published rating (highest between Raw, WR and WP)1521.5
Current floor (min rating allowed)1021.5
Current highest rating achieved1521.5
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)±104.9
Current Raw change used (final)0.0
Projected new Raw rating1521.5
Projected new Weighed rating1463.6
Projected new Weighted performance1490.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1521.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1521.5
Projected new floor1021.5
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 rating1431.5
Curent Weighted rating1415.3
Curent Weighted performance1223.2
Current official/published rating (highest between Raw, WR and WP)1431.5
Current floor (min rating allowed)931.5
Current highest rating achieved1431.5
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)±119.2
Current Raw change used (final)0.0
Projected new Raw rating1431.5
Projected new Weighed rating1416.8
Projected new Weighted performance1223.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1431.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1431.5
Projected new floor931.5
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 rating994.2
Curent Weighted rating993.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)994.2
Current floor (min rating allowed)931.5
Current highest rating achieved994.2
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)±222.3
Current Raw change used (final)0.0
Projected new Raw rating994.2
Projected new Weighed rating994.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)994.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating994.2
Projected new floor931.5
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.5 1525.2 1504.2 Analysis
3 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1525.2 1504.2 Analysis
2 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.5 1517.8 1411.7 Analysis
1 Cape Winelands - Marie Delport Memorial 2024 (Open) 2024/01/27 2024/01/28 Cape Winelands (WCW) Standard 70 0.87 6 6 5.0 1471.6 1448.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
61 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.5 1525.2 1504.2 Analysis
60 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1525.2 1504.2 Analysis
59 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.5 1517.8 1411.7 Analysis
58 Cape Winelands - Marie Delport Memorial 2024 (Open) 2024/01/27 2024/01/28 Cape Winelands (WCW) Standard 70 0.87 6 6 5.0 1471.6 1448.5 Analysis
57 Bonnievale Open Rapid 2023 (Intermediate) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 4.5 1442.8 1409.5 Analysis
56 Paarl Boys High Chess Festival 2023 (Elite Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 6 3.0 1442.8 1430.3 Analysis
55 Cape Winelands Schools Prestige 2023 (U17 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1447.0 1435.1 Analysis
54 Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1427.1 1412.1 Analysis
53 Western Cape Closed Championship 2022 (Prestige) 2022/09/24 2022/09/25 Cape Winelands (WCW) Standard 70 0.87 6 6 2.5 1427.7 1403.7 Analysis
52 Cape Winelands Schools Top Schools 2022 (U15 Mix) 2022/08/27 2022/08/27 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1397.7 1297.1 Analysis
51 WCCA Rural Cup 2022 (U16) 2022/08/13 2022/08/14 Overberg (WOS) Standard 60 0.83 5 3 2.0 1397.7 1297.1 Analysis
50 WCCA Rural Cup Blitz 2022 2022/07/12 2022/07/12 Overberg (WOS) Blitz 5 0.18 5 5 3.0 1396.6 911.0 Analysis
49 Western Cape Schools Chess 2022 (U15 Boys) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 3.0 1421.6 1324.8 Analysis
48 Cape Winelands Schools 2022 (U15 Boys) 2022/03/05 2022/03/05 Cape Winelands (WCW) Standard 60 0.83 5 5 5.0 1375.7 1251.0 Analysis
47 Worcester Schools Trials 2022 (U15 Boys) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1363.2 1394.5 Analysis
46 Western Cape Schools 2021 (U15 Boys) 2021/10/23 2021/10/23 Overberg (WOS) Rapid 35 0.66 5 5 2.5 1336.8 1422.0 Analysis
45 Cape Winelands Schools Trials 2021 (U15 Boys) 2021/10/16 2021/10/16 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1336.8 1422.0 Analysis
44 Western Cape Closed 2020 (Prestige) 2021/03/27 2021/03/28 Cape Town (WCT) Standard 65 0.85 6 6 3.0 1355.8 1257.8 Analysis
43 2020 Western Province Open (Elite) 2020/03/07 2020/03/08 Cape Town (WCT) Standard 70 0.87 6 5 0.5 1395.9 1288.4 Analysis
42 2020 Welgemoed Chess Challenge (U14) 2020/02/29 2020/02/29 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1388.5 1325.2 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 13 7 3 16.5 71.7 184.8 1396.4 1581.2
White 11 7 4 0 9.0 81.8 270.5 1335.1 1605.6
Black 12 6 3 3 7.5 62.5 106.3 1452.6 1558.9
Standard All 17 9 6 2 12.0 70.6 175.0 1411.8 1586.8
White 8 5 3 0 6.5 81.3 265.6 1308.0 1573.6
Black 9 4 3 2 5.5 61.1 94.4 1504.0 1598.4
Rapid All 6 4 1 1 4.5 75.0 212.5 1352.9 1565.4
White 3 2 1 0 2.5 83.3 283.3 1407.4 1690.8
Black 3 2 0 1 2.0 66.7 141.7 1298.4 1440.1
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 340 216 33 91 232.5 68.4 156.3 1209.1 1365.4
White 169 109 17 43 117.5 69.5 166.0 1203.9 1369.9
Black 171 107 16 48 115.0 67.3 146.6 1214.3 1360.9
Standard All 217 127 25 65 139.5 64.3 121.4 1220.9 1342.3
White 107 63 9 35 67.5 63.1 111.2 1221.1 1332.3
Black 110 64 16 30 72.0 65.5 131.4 1220.7 1352.1
Rapid All 111 81 8 22 85.0 76.6 225.9 1172.9 1398.8
White 56 41 8 7 45.0 80.4 258.0 1163.0 1421.0
Black 55 40 0 15 40.0 72.7 193.2 1183.1 1376.2
Blitz All 12 8 0 4 8.0 66.7 141.7 1330.7 1472.3
White 6 5 0 1 5.0 83.3 283.3 1278.9 1562.3
Black 6 3 0 3 3.0 50.0 0.0 1382.4 1382.4
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107078353 De Wet, M (Malcolm) 7 5.0 5 0 2 71.4 1307.2 182.1 1489.4 View list
2 108072148 Van Heerden, EJ (Ethan Joel) 4 1.5 1 1 2 37.5 1423.9 -106.3 1317.6 View list
3 106087912 Lielieveld, F (Franco) 4 0.5 0 1 3 12.5 1400.9 -318.8 1082.1 View list
4 107083549 Pillay, PJ (Palin) 3 3.0 3 0 0 100.0 1245.6 425.0 1670.6 View list
5 106078570 Hausiku, M (Marco) 3 2.5 2 1 0 83.3 1359.8 283.3 1643.2 View list
6 108090548 Lewaks, S (Shaundre) 3 2.5 2 1 0 83.3 1387.6 283.3 1670.9 View list
7 1060137638 Pieters, G (Gethan) 3 2.5 2 1 0 83.3 1464.0 283.3 1747.3 View list
8 107082126 Saoud, J (Jassem) 3 2.5 2 1 0 83.3 1343.9 283.3 1627.2 View list
9 208068746 Snyders, M (Meya) 3 2.5 2 1 0 83.3 1347.2 283.3 1630.6 View list
10 107093485 Coetzee, D (David) 3 2.0 2 0 1 66.7 988.1 141.7 1129.7 View list
11 106088984 Jonas, SG (Sue-Win) 3 2.0 2 0 1 66.7 1405.3 141.7 1547.0 View list
12 1070137517 Roux, T (Tiaan) 3 1.5 1 1 1 50.0 1480.2 0.0 1480.2 View list
13 1080103429 Winter, C (Cuthanzario) 3 1.0 1 0 2 33.3 1374.8 -141.7 1233.2 View list
14 109087781 Bosman, P (Petrus) 3 1.0 0 2 1 33.3 1307.6 -141.7 1165.9 View list
15 1070097985 Anderson, N (Neo) 3 0.5 0 1 2 16.7 1347.5 -283.3 1064.1 View list
16 106078134 Geyser, K (Kobus) 3 0.0 0 0 3 0.0 1432.9 -425.0 1007.9 View list
17 1080134436 Bosman, B (Burnito) 2 2.0 2 0 0 100.0 1409.7 425.0 1834.7 View list
18 108092101 Dicks, D (Drake) 2 2.0 2 0 0 100.0 973.9 425.0 1398.8 View list
19 107064069 Drury, N (Nicholas) 2 2.0 2 0 0 100.0 1318.3 425.0 1743.3 View list
20 107078341 Ismail, A (Amar) 2 2.0 2 0 0 100.0 1226.1 425.0 1651.1 View list