Player Page

Orwin, M (Matthew)
Dob: 2010/05/17 (U16)
Gender: Male
Chess SA id: 1100134370
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (27 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 rating1473.5
Curent Weighted rating1464.1
Curent Weighted performance1417.1
Current official/published rating (highest between Raw, WR and WP)1473.5
Current floor (min rating allowed)994.6
Current highest rating achieved1494.6
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)±112.3
Current Raw change used (final)0.0
Projected new Raw rating1473.5
Projected new Weighed rating1466.4
Projected new Weighted performance1417.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1473.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1494.6
Projected new floor994.6
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 rating1452.7
Curent Weighted rating1462.2
Curent Weighted performance1391.9
Current official/published rating (highest between Raw, WR and WP)1462.2
Current floor (min rating allowed)1002.0
Current highest rating achieved1502.0
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)±115.7
Current Raw change used (final)0.0
Projected new Raw rating1452.7
Projected new Weighed rating1463.7
Projected new Weighted performance1391.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1463.7
Projected effective change (new Official - current Official)+1.4
Projected new highest rating1502.0
Projected new floor1002.0
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 rating1310.7
Curent Weighted rating1286.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1310.7
Current floor (min rating allowed)810.7
Current highest rating achieved1310.7
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)±141.6
Current Raw change used (final)0.0
Projected new Raw rating1310.7
Projected new Weighed rating1288.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1310.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1310.7
Projected new floor810.7
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)810.7
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 floor810.7
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Cape Town Junior League Qualifier 2024 (U15 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 2 2.0 1466.4 1284.4 Analysis
3 Western Cape HS Individuals Championship 2024 (U15 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1494.6 1502.0 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1494.6 1502.0 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.5 1478.1 1487.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Cape Town Junior League Qualifier 2024 (U15 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 2 2.0 1466.4 1284.4 Analysis
10 Western Cape HS Individuals Championship 2024 (U15 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1494.6 1502.0 Analysis
9 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1494.6 1502.0 Analysis
8 CT District East Schools Chess Individuals Trails 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.5 1478.1 1487.9 Analysis
7 Western Cape PS Individuals 2023 (U13 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1459.0 1449.6 Analysis
6 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1420.0 1399.9 Analysis
5 District East Schools Chess Individual Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1384.1 1355.6 Analysis
4 Metro Rapid 2022 (U13 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1395.8 1284.4 Analysis
3 Western Cape Schools 2022 (U13 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 5.0 1319.9 1258.0 Analysis
2 Metro WP Schools Chess Trials 2022 (U13 Boys) 2022/04/22 2022/04/23 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1281.7 1200.0 Analysis
1 2022 East Dist Individuals (U13) 2022/03/12 2022/03/12 Cape Town (WCT) Rapid 45 0.74 6 6 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 19 14 1 4 14.5 76.3 223.7 1262.4 1486.1
White 10 9 0 1 9.0 90.0 340.0 1274.0 1614.0
Black 9 5 1 3 5.5 61.1 94.4 1249.5 1343.9
Standard All 17 12 1 4 12.5 73.5 200.0 1263.6 1463.6
White 8 7 0 1 7.0 87.5 318.8 1279.6 1598.3
Black 9 5 1 3 5.5 61.1 94.4 1249.5 1343.9
Rapid All 2 2 0 0 2.0 100.0 425.0 1251.6 1676.6
White 2 2 0 0 2.0 100.0 425.0 1251.6 1676.6
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 60 44 3 13 45.5 75.8 219.6 1306.9 1526.5
White 31 25 0 6 25.0 80.6 260.5 1313.3 1573.8
Black 29 19 3 7 20.5 70.7 175.9 1300.0 1475.9
Standard All 47 35 1 11 35.5 75.5 217.0 1317.7 1534.8
White 23 18 0 5 18.0 78.3 240.2 1325.7 1565.9
Black 24 17 1 6 17.5 72.9 194.8 1310.1 1504.9
Rapid All 13 9 2 2 10.0 76.9 228.8 1267.7 1496.5
White 8 7 0 1 7.0 87.5 318.8 1277.9 1596.6
Black 5 2 2 1 3.0 60.0 85.0 1251.3 1336.3
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 2100108991 Leenderts, S (Shanique) 2 2.0 2 0 0 100.0 1333.2 425.0 1758.2 View list
2 1100109057 Tsabola, B (Bright) 2 2.0 2 0 0 100.0 1370.0 425.0 1795.0 View list
3 1100108080 Van Niekerk, JH (Johann) 2 2.0 2 0 0 100.0 1370.3 425.0 1795.3 View list
4 1110106190 Salimu, C (Chase) 2 0.0 0 0 2 0.0 1439.5 -425.0 1014.5 View list
5 1090109860 Solomon, I (Izaiah) 2 0.0 0 0 2 0.0 1240.8 -425.0 815.8 View list
6 1100109825 Du Raan, C (Cobus) 1 1.0 1 0 0 100.0 1420.0 425.0 1845.0 View list
7 1090134317 Don, K (Kyle) 1 1.0 1 0 0 100.0 1494.6 425.0 1919.6 View list
8 2100108989 Dintsi, T (Thandile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1090150204 De Wee, L (Liam) 1 1.0 1 0 0 100.0 1478.1 425.0 1903.1 View list
10 1100138451 De Vos, K (Kyle) 1 1.0 1 0 0 100.0 1319.9 425.0 1744.9 View list
11 1110153201 David, Z (Zhu) 1 1.0 1 0 0 100.0 1459.0 425.0 1884.0 View list
12 1100118990 Cockin, R (Ruan) 1 1.0 1 0 0 100.0 1384.1 425.0 1809.1 View list
13 1100150935 Booysen, W (Whandre) 1 1.0 1 0 0 100.0 1459.0 425.0 1884.0 View list
14 1110131799 Barends, Z (Zac) 1 1.0 1 0 0 100.0 1420.0 425.0 1845.0 View list
15 1100150416 Baker, A (Alex) 1 1.0 1 0 0 100.0 1494.6 425.0 1919.6 View list
16 1100118014 Ashworth, DA (Dylan Adrian) 1 1.0 1 0 0 100.0 1494.6 425.0 1919.6 View list
17 1090138796 Ali, P (Pelser -Mohammed) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1100150158 Isaacs, T (Tyrique) 1 1.0 1 0 0 100.0 1384.1 425.0 1809.1 View list
19 1090147477 Hatley, L (Logan) 1 1.0 1 0 0 100.0 1395.8 425.0 1820.8 View list
20 1110139101 Greeff, G (Giteau) 1 1.0 1 0 0 100.0 1459.0 425.0 1884.0 View list