Player Page

Arnold, M (Michael)
Dob: 1957/07/14 (Adult)
Gender: Male
Chess SA id: 157000799
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/03/24 (88 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 rating1493.7
Current Weighted rating1483.7
Current Weighted performance1366.9
Current official/published rating (highest between Raw, WR and WP)1493.7
Current highest rating achieved1590.1
Current floor (min rating allowed)1090.1
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)±109.1
Current Raw change used (final)0.0
Projected new Raw rating1493.7
Projected new Weighed rating1365.2
Projected new Weighted performance1366.9
Projected new final Raw rating (if new WP > new Raw)1493.7
Projected new highest rating1590.1
Projected new floor1090.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1493.7
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 rating1490.6
Current Weighted rating1504.6
Current Weighted performance1291.0
Current official/published rating (highest between Raw, WR and WP)1504.6
Current highest rating achieved1598.5
Current floor (min rating allowed)1098.5
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)±109.6
Current Raw change used (final)0.0
Projected new Raw rating1490.6
Projected new Weighed rating1383.4
Projected new Weighted performance1291.0
Projected new final Raw rating (if new WP > new Raw)1490.6
Projected new highest rating1598.5
Projected new floor1098.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1490.6
Projected effective change (new Official - current Official)-14.0
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 rating1441.8
Current Weighted rating1399.6
Current Weighted performance1324.6
Current official/published rating (highest between Raw, WR and WP)1441.8
Current highest rating achieved1531.0
Current floor (min rating allowed)1031.0
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)±117.5
Current Raw change used (final)0.0
Projected new Raw rating1441.8
Projected new Weighed rating1289.4
Projected new Weighted performance1324.6
Projected new final Raw rating (if new WP > new Raw)1441.8
Projected new highest rating1531.0
Projected new floor1031.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1441.8
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 rating1539.1
Current Weighted rating1535.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1539.1
Current highest rating achieved1539.1
Current floor (min rating allowed)1039.1
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)±102.3
Current Raw change used (final)0.0
Projected new Raw rating1539.1
Projected new Weighed rating1413.0
Projected new Weighted performance1043.4
Projected new final Raw rating (if new WP > new Raw)1539.1
Projected new highest rating1539.1
Projected new floor1039.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1539.1
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Western Cape Inter Region Cup 2024 (Open) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 1.5 1498.2 1496.0 Analysis
1 Overberg Open Rapid 2024 (Open) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 3.0 1507.7 1452.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
26 Western Cape Inter Region Cup 2024 (Open) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 1.5 1498.2 1496.0 Analysis
25 Overberg Open Rapid 2024 (Open) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 3.0 1507.7 1452.4 Analysis
24 Western Cape Club Championships 2023 (Tier 1) 2023/10/21 2023/10/22 Eden District (WEG) Standard 65 0.85 5 5 1.5 1482.3 1511.4 Analysis
23 Hermanus Chess Club Rapid 2023 (A) 2023/08/26 2023/08/26 Overberg (WOS) Rapid 20 0.47 5 5 4.0 1458.8 1341.6 Analysis
22 Overberg Club Championships 2023 (A+B) 2023/07/29 2023/07/29 Overberg (WOS) Rapid 30 0.60 5 5 4.0 1453.2 1306.7 Analysis
21 Hermanus Rapid 2023 (A) 2023/04/22 2023/04/22 Overberg (WOS) Rapid 25 0.54 6 6 1.5 1477.2 1344.8 Analysis
20 Western Cape Inter Regional 2023 (Senior Men) 2023/03/18 2023/03/19 Eden District (WEG) Standard 90 0.94 5 4 0.5 1481.9 1541.8 Analysis
19 Western Cape Inter Regional 2023 (Blitz) 2023/03/17 2023/03/17 Eden District (WEG) Blitz 5 0.18 5 4 3.5 1481.9 1506.8 Analysis
18 WCCA Rural Cup 2022 (Open) 2022/08/13 2022/08/14 Overberg (WOS) Standard 60 0.83 5 4 2.0 1472.9 1538.0 Analysis
17 WCCA Rural Cup Blitz 2022 2022/07/12 2022/07/12 Overberg (WOS) Blitz 5 0.18 5 4 3.0 1468.3 1502.6 Analysis
16 The Hermanus Open 2022 (Open) 2022/05/14 2022/05/14 Overberg (WOS) Rapid 10 0.29 6 6 2.0 1491.5 1423.8 Analysis
15 OCF Open 2022 (Open) 2022/04/09 2022/04/09 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1512.4 1465.1 Analysis
14 Western Cape Club Championships 2021 (A) 2021/10/15 2021/10/17 Eden District (WEG) Standard 65 0.85 6 6 3.5 1468.3 1491.0 Analysis
13 Coast to Coast 2021 (Open) 2021/08/28 2021/08/28 West Coast (WCU) Rapid 30 0.60 7 7 2.0 1558.2 1536.5 Analysis
12 Coast to Coast 2021 (Blitz) 2021/08/27 2021/08/27 West Coast (WCU) Blitz 5 0.18 5 5 3.5 1558.2 1536.5 Analysis
11 OCF Club Champs 2021 (Seniors) 2021/06/05 2021/08/14 Overberg (WOS) Standard 60 0.83 10 5 2.0 1558.2 1560.1 Analysis
10 Kleinmond Open 2021 (U18+Open) 2021/04/17 2021/04/17 Overberg (WOS) Standard 60 0.83 5 5 3.0 1570.2 1573.9 Analysis
9 JNW Club - Charterhouse Open 2019 (A) 2019/04/13 2019/04/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1563.6 1566.5 Analysis
8 JNW Club - Trinityhouse Randpark Ridge Open 2019 (A) 2019/03/09 2019/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1547.1 1546.0 Analysis
7 JNW Club - Trinityhouse Little Falls Open 2019 (A) 2019/02/23 2019/02/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1547.9 1547.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 1 5 4.5 45.0 -42.5 1487.4 1444.9
White 5 2 1 2 2.5 50.0 0.0 1450.7 1450.7
Black 5 2 0 3 2.0 40.0 -85.0 1524.1 1439.1
Standard All 5 1 1 3 1.5 30.0 -170.0 1654.1 1484.1
White 2 0 1 1 0.5 25.0 -212.5 1616.8 1404.3
Black 3 1 0 2 1.0 33.3 -141.7 1679.1 1537.4
Rapid All 5 3 0 2 3.0 60.0 85.0 1320.6 1405.6
White 3 2 0 1 2.0 66.7 141.7 1339.9 1481.6
Black 2 1 0 1 1.0 50.0 0.0 1291.7 1291.7
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 131 50 23 58 61.5 46.9 -26.0 1529.1 1503.1
White 67 30 10 27 35.0 52.2 19.0 1542.8 1561.9
Black 64 20 13 31 26.5 41.4 -73.0 1514.7 1441.6
Standard All 79 23 18 38 32.0 40.5 -80.7 1621.6 1541.0
White 40 15 10 15 20.0 50.0 0.0 1617.3 1617.3
Black 39 8 8 23 12.0 30.8 -163.5 1626.1 1462.6
Rapid All 39 18 3 18 19.5 50.0 0.0 1379.0 1379.0
White 20 8 0 12 8.0 40.0 -85.0 1427.9 1342.9
Black 19 10 3 6 11.5 60.5 89.5 1327.5 1417.0
Blitz All 13 9 2 2 10.0 76.9 228.8 1416.8 1645.7
White 7 7 0 0 7.0 100.0 425.0 1445.4 1870.4
Black 6 2 2 2 3.0 50.0 0.0 1383.4 1383.4
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 147035755 Southey, AM (Andrew) 3 1.5 1 1 1 50.0 1498.1 0.0 1498.1 View list
2 1720110739 Brink, M (Martin) 3 1.0 1 0 2 33.3 1529.1 -141.7 1387.4 View list
3 163015814 Kleyn, AE (Andrew) 3 1.0 1 0 2 33.3 1554.6 -141.7 1412.9 View list
4 104085328 Mostert, R (Remi) 3 1.0 1 0 2 33.3 1503.9 -141.7 1362.2 View list
5 199036980 Swart, G (George) 3 1.0 1 0 2 33.3 1477.5 -141.7 1335.8 View list
6 171001529 Basson, JE (Jacques) 3 1.0 0 2 1 33.3 1509.8 -141.7 1368.1 View list
7 184042918 Willenberg, KS (Kenneth) 3 0.5 0 1 2 16.7 1506.9 -283.3 1223.6 View list
8 174086674 Badenhorst, A (Allen) 2 2.0 2 0 0 100.0 1535.3 425.0 1960.3 View list
9 189034917 Skaarnek, S (Shaun) 2 2.0 2 0 0 100.0 1470.6 425.0 1895.6 View list
10 105065981 Minnaar, E (Ethan) 2 1.5 1 1 0 75.0 1490.1 212.5 1702.6 View list
11 168000858 Assabi, O (Ofer) 2 1.0 1 0 1 50.0 1553.3 0.0 1553.3 View list
12 1980102793 Booi, O (Ocean) 2 1.0 1 0 1 50.0 1539.0 0.0 1539.0 View list
13 1060096290 Kariem, S (Shakir) 2 1.0 1 0 1 50.0 1513.3 0.0 1513.3 View list
14 104067563 Maharaj, A (Ameet) 2 1.0 1 0 1 50.0 1563.2 0.0 1563.2 View list
15 1880097427 Meyer, P (Peter) 2 1.0 1 0 1 50.0 1541.3 0.0 1541.3 View list
16 188033535 Schoombee, CA (Carel) 2 1.0 1 0 1 50.0 1475.2 0.0 1475.2 View list
17 184017431 Lebea, BE (Botlhale) 2 1.0 0 2 0 50.0 1560.3 0.0 1560.3 View list
18 177028759 Odendaal, W (Willem) 2 0.5 0 1 1 25.0 1547.5 -212.5 1335.0 View list
19 1050106200 Braaf, J (Jiraan) 2 0.0 0 0 2 0.0 1483.3 -425.0 1058.3 View list
20 187018778 Lukhwareni, NR (Nkhumbuleni) 2 0.0 0 0 2 0.0 1573.5 -425.0 1148.5 View list