Player Page

Prins, S (Stefan)
Dob: 2010/08/15 (U16)
Gender: Male
Chess SA id: 1100140763
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/09/14 (91 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 rating1293.5
Current Weighted rating1299.9
Current Weighted performance1201.2
Current official/published rating (highest between Raw, WR and WP)1299.9
Current highest rating achieved1336.3
Current floor (min rating allowed)836.3
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)±145.1
Current Raw change used (final)0.0
Projected new Raw rating1293.5
Projected new Weighed rating1196.8
Projected new Weighted performance1201.2
Projected new final Raw rating (if new WP > new Raw)1293.5
Projected new highest rating1336.3
Projected new floor836.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1293.5
Projected effective change (new Official - current Official)-6.4
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 rating1303.6
Current Weighted rating1322.0
Current Weighted performance1207.4
Current official/published rating (highest between Raw, WR and WP)1322.0
Current highest rating achieved1367.3
Current floor (min rating allowed)867.3
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)±143.1
Current Raw change used (final)0.0
Projected new Raw rating1303.6
Projected new Weighed rating1216.5
Projected new Weighted performance1207.4
Projected new final Raw rating (if new WP > new Raw)1303.6
Projected new highest rating1367.3
Projected new floor867.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1303.6
Projected effective change (new Official - current Official)-18.4
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 rating1242.7
Current Weighted rating1232.3
Current Weighted performance1217.4
Current official/published rating (highest between Raw, WR and WP)1242.7
Current highest rating achieved1258.9
Current floor (min rating allowed)758.9
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)±156.0
Current Raw change used (final)0.0
Projected new Raw rating1242.7
Projected new Weighed rating1135.3
Projected new Weighted performance1217.4
Projected new final Raw rating (if new WP > new Raw)1242.7
Projected new highest rating1258.9
Projected new floor758.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1242.7
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 Kingsway Chess Open 2024 (U14) 2024/09/14 2024/09/14 Overberg (WOS) Rapid 20 0.47 6 6 4.0 1294.2 1230.1 Analysis
7 Kleinmond Chess Club Open 2024 (Advanced) 2024/09/07 2024/09/07 Overberg (WOS) Rapid 25 0.54 6 6 2.0 1294.2 1230.1 Analysis
6 South African Open Chess Championship 2024 (C) 2024/07/04 2024/07/07 Ethekwini (KED) Standard 90 0.94 7 7 3.0 1289.8 1308.6 Analysis
5 Steinitz Chess Festival 2024 (Open Rapid) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 6 6 2.0 1308.6 1258.9 Analysis
4 Strategize to Win 2024 (F) 2024/04/13 2024/04/14 Cape Town (WCT) Standard 70 0.87 5 5 4.0 1265.7 1267.6 Analysis
3 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 5 0.5 1327.3 1367.3 Analysis
2 Cape Winelands Schools - Prestige 2024 (U15 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1327.3 1367.3 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1336.3 1258.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 Kingsway Chess Open 2024 (U14) 2024/09/14 2024/09/14 Overberg (WOS) Rapid 20 0.47 6 6 4.0 1294.2 1230.1 Analysis
15 Kleinmond Chess Club Open 2024 (Advanced) 2024/09/07 2024/09/07 Overberg (WOS) Rapid 25 0.54 6 6 2.0 1294.2 1230.1 Analysis
14 South African Open Chess Championship 2024 (C) 2024/07/04 2024/07/07 Ethekwini (KED) Standard 90 0.94 7 7 3.0 1289.8 1308.6 Analysis
13 Steinitz Chess Festival 2024 (Open Rapid) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 6 6 2.0 1308.6 1258.9 Analysis
12 Strategize to Win 2024 (F) 2024/04/13 2024/04/14 Cape Town (WCT) Standard 70 0.87 5 5 4.0 1265.7 1267.6 Analysis
11 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 5 0.5 1327.3 1367.3 Analysis
10 Cape Winelands Schools - Prestige 2024 (U15 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1327.3 1367.3 Analysis
9 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1336.3 1258.5 Analysis
8 Chas Everitt and MHI Attorneys Rapid 2023 (U14) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1322.3 1205.2 Analysis
7 Stellenbosch Primary Chess Tournament 2023 (U14) 2023/08/19 2023/08/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1311.3 1147.2 Analysis
6 Cape Winelands Open 2023 (U14) 2023/07/23 2023/07/23 Cape Winelands (WCW) Standard 70 0.87 5 5 4.5 1228.0 1284.1 Analysis
5 Rhenish Primary Tournament 2023 (U14) 2023/05/13 2023/05/13 Cape Winelands (WCW) Rapid 30 0.60 6 5 2.0 1237.1 1145.2 Analysis
4 Cape Town Open 2023 (U14) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 5 2.0 1248.5 1141.6 Analysis
3 Cape Winelands Schools Prestige 2023 (U13 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1248.5 1296.0 Analysis
2 Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys) 2023/02/18 2023/02/18 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1162.8 1200.0 Analysis
1 Rhenish Primary Tournament 2022 (U14) 2022/05/14 2022/05/14 Cape Winelands (WCW) Rapid 30 0.60 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 46 21 1 24 21.5 46.7 -27.7 1301.1 1273.4
White 22 13 1 8 13.5 61.4 96.6 1305.0 1401.6
Black 24 8 0 16 8.0 33.3 -141.7 1297.5 1155.9
Standard All 22 10 1 11 10.5 47.7 -19.3 1300.2 1280.9
White 10 7 1 2 7.5 75.0 212.5 1261.5 1474.0
Black 12 3 0 9 3.0 25.0 -212.5 1332.4 1119.9
Rapid All 24 11 0 13 11.0 45.8 -35.4 1302.0 1266.6
White 12 6 0 6 6.0 50.0 0.0 1341.2 1341.2
Black 12 5 0 7 5.0 41.7 -70.8 1262.7 1191.9
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 88 44 3 41 45.5 51.7 14.5 1286.6 1301.1
White 45 26 2 17 27.0 60.0 85.0 1297.8 1382.8
Black 43 18 1 24 18.5 43.0 -59.3 1274.8 1215.5
Standard All 37 20 3 14 21.5 58.1 68.9 1305.5 1374.4
White 18 13 2 3 14.0 77.8 236.1 1303.7 1539.8
Black 19 7 1 11 7.5 39.5 -89.5 1307.2 1217.8
Rapid All 51 24 0 27 24.0 47.1 -25.0 1272.8 1247.8
White 27 13 0 14 13.0 48.1 -15.7 1293.9 1278.2
Black 24 11 0 13 11.0 45.8 -35.4 1249.1 1213.7
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 2110150428 Kirthan, V (Vajra) 2 0.0 0 0 2 0.0 1271.3 -425.0 846.3 View list
2 2100152908 Adams, S (Sofia) 1 1.0 1 0 0 100.0 1248.5 425.0 1673.5 View list
3 1100152910 Beya, E (Emanuel) 1 1.0 1 0 0 100.0 1248.5 425.0 1673.5 View list
4 1110137459 Cyster, J (Jean-Luke) 1 1.0 1 0 0 100.0 1162.8 425.0 1587.8 View list
5 2110108732 Cupido, C (Caylah) 1 1.0 1 0 0 100.0 1228.0 425.0 1653.0 View list
6 145091634 Coetzee, F (Floris) 1 1.0 1 0 0 100.0 1294.2 425.0 1719.2 View list
7 2100191212 Chen, L (Lulu) 1 1.0 1 0 0 100.0 1322.3 425.0 1747.3 View list
8 1150151763 Goncalves, E (Emilio) 1 1.0 1 0 0 100.0 1289.8 425.0 1714.8 View list
9 1100137579 Fourie, X (Xavier) 1 1.0 1 0 0 100.0 1162.8 425.0 1587.8 View list
10 1140143143 Fourie, A (Albert) 1 1.0 1 0 0 100.0 1265.7 425.0 1690.7 View list
11 1110151346 Ess, N (Noah) 1 1.0 1 0 0 100.0 1294.2 425.0 1719.2 View list
12 1110151339 Dreyer, C (Christiano) 1 1.0 1 0 0 100.0 1294.2 425.0 1719.2 View list
13 1100150154 Hagan, T (Tristin) 1 1.0 1 0 0 100.0 1265.7 425.0 1690.7 View list
14 1100141893 Hugget, E (Edjuan) 1 1.0 1 0 0 100.0 1322.3 425.0 1747.3 View list
15 1100140979 Jacobs, C (Chad) 1 1.0 1 0 0 100.0 1248.5 425.0 1673.5 View list
16 1100192740 Jacobs, S (Shane) 1 1.0 1 0 0 100.0 1336.3 425.0 1761.3 View list
17 1100140753 Jeppie, E (Elijah) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1100137580 Johnston, Z (Zach) 1 1.0 1 0 0 100.0 1311.3 425.0 1736.3 View list
19 1110132074 Kwabe, A (Awonke) 1 1.0 1 0 0 100.0 1228.0 425.0 1653.0 View list
20 1090156933 Letsohalo, T (Tshiamo) 1 1.0 1 0 0 100.0 1237.1 425.0 1662.1 View list