PLAYER PAGE
Michael Arnold
157000799Overberg (WOS)Personal
Main rating
| Rating | 1534.6 |
| K-factor | 32 |
| Floor | 1090.1 |
| Highest | 1686.8 (2018-02-01) |
| Min/Max +/- allowed | 83 |
| Rating Change () | |
| Games | 7 |
| Score | 5.5 |
| We | 3.86 |
| SWe | 0.77 |
| Temp +/- | 24.7 |
| Penalties | 0 |
| Weight perform | 1484.1 |
| Final +/- | +24.7 |
| New Rating () | |
| Rating | 1559.4 |
| K-factor | 32 |
| Floor | 1090.1 |
| Highest | 1686.8 (2018-02-01) |
| Min/Max +/- allowed | 82.9 |
Standard rating
| Rating | 1530.2 |
| K-factor | 32 |
| Floor | 1098.5 |
| Highest | 1686.8 (2018-02-01) |
| Min/Max +/- allowed | 82.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1375.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1530.2 |
| K-factor | 32 |
| Floor | 1098.5 |
| Highest | 1686.8 (2018-02-01) |
| Min/Max +/- allowed | 82.9 |
Rapid rating
| Rating | 1452.6 |
| K-factor | 32 |
| Floor | 1036.5 |
| Highest | 1536.5 (2019-12-01) |
| Min/Max +/- allowed | 102.7 |
| Rating Change () | |
| Games | 7 |
| Score | 5.5 |
| We | 3.37 |
| SWe | 2.13 |
| Temp +/- | 68.3 |
| Penalties | 0 |
| Weight perform | 1413.5 |
| Final +/- | +68.3 |
| New Rating () | |
| Rating | 1520.9 |
| K-factor | 32 |
| Floor | 1036.5 |
| Highest | 1536.5 (2019-12-01) |
| Min/Max +/- allowed | 102.7 |
Blitz rating
| Rating | 1539.1 |
| K-factor | 32 |
| Floor | 1039.1 |
| Highest | 1539.1 (2024-02-01) |
| Min/Max +/- allowed | 102.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1539.1 |
| K-factor | 32 |
| Floor | 1039.1 |
| Highest | 1539.1 (2024-02-01) |
| Min/Max +/- allowed | 102.3 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Hermanus Chess Club Open 2026 (Advanced) | Rapid | 2026-04-18 | 2026-04-18 | Overberg (WOS) | 7 | 1534.6 | 7 | 5.5 | 1728 | 24.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Western Cape Club Championship 2025 (A) | Standard | 2025-10-25 | 2025-10-26 | Overberg (WOS) | 6 | 1537.8 | 6 | 1.5 | 1524.1 | -1.8 | Details |
| 2 | Hermanus Chess Club Open 2025 (Advanced) | Rapid | 2025-04-12 | 2025-04-12 | Overberg (WOS) | 7 | 1530.5 | 7 | 3.5 | 1587.1 | 4.6 | Details |
| 3 | Hermanus Chess Club Invitational January 2025 | Standard | 2025-01-11 | 2025-01-12 | Overberg (WOS) | 7 | 1527.4 | 7 | 3.5 | 1547 | 2 | Details |
| 4 | Western Cape Club Championship 2024 (Tier 1) | Standard | 2024-10-25 | 2024-10-27 | Cape Town (WCT) | 5 | 1493.7 | 4 | 2 | 1774.8 | 21 | Details |
| 5 | Western Cape Inter Region Cup 2024 (Open) | Standard | 2024-03-23 | 2024-03-24 | Overberg (WOS) | 5 | 1498.2 | 5 | 1.5 | 1484.1 | -2.8 | Details |
| 6 | Overberg Open Rapid 2024 (Open) | Rapid | 2024-01-27 | 2024-01-27 | Overberg (WOS) | 5 | 1507.7 | 5 | 3 | 1405.6 | -5.9 | Details |
| 7 | Western Cape Club Championships 2023 (Tier 1) | Standard | 2023-10-21 | 2023-10-22 | Eden (WEG) | 5 | 1482.3 | 5 | 1.5 | 1468.6 | -2.2 | Details |
| 8 | Hermanus Chess Club Rapid 2023 (A) | Rapid | 2023-08-26 | 2023-08-26 | Overberg (WOS) | 5 | 1458.8 | 5 | 4 | 1717.8 | 14.7 | Details |
| 9 | Overberg Club Championships 2023 (A+B) | Rapid | 2023-07-29 | 2023-07-29 | Overberg (WOS) | 5 | 1453.2 | 5 | 4 | 1494.6 | 3.6 | Details |
| 10 | Hermanus Rapid 2023 (A) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1477.2 | 6 | 1.5 | 1290.2 | -15.3 | Details |
| 11 | Western Cape Inter Regional 2023 (Senior Men) | Standard | 2023-03-18 | 2023-03-19 | Eden (WEG) | 5 | 1481.9 | 4 | 0.5 | 1366.2 | -10.3 | Details |
| 12 | Western Cape Inter Regional 2023 (Blitz) | Blitz | 2023-03-17 | 2023-03-17 | Eden (WEG) | 5 | 1481.9 | 4 | 3.5 | 1919 | 7.4 | Details |
| 13 | WCCA Rural Cup 2022 (Open) | Standard | 2022-08-13 | 2022-08-14 | Overberg (WOS) | 5 | 1472.9 | 4 | 2 | 1420.7 | 5.8 | Details |
| 14 | WCCA Rural Cup Blitz 2022 | Blitz | 2022-07-12 | 2022-07-12 | Overberg (WOS) | 5 | 1468.3 | 4 | 3 | 1519.1 | 2.8 | Details |
| 15 | The Hermanus Open 2022 (Open) | Blitz | 2022-05-14 | 2022-05-14 | Overberg (WOS) | 6 | 1491.5 | 6 | 2 | 1135 | -14.5 | Details |
| 16 | OCF Open 2022 (Open) | Rapid | 2022-04-09 | 2022-04-09 | Overberg (WOS) | 5 | 1512.4 | 5 | 3 | 1318.2 | -13 | Details |
| 17 | Western Cape Club Championships 2021 (A) | Standard | 2021-10-15 | 2021-10-17 | Eden (WEG) | 6 | 1468.3 | 6 | 3.5 | 1717.9 | 27.5 | Details |
| 18 | OCF Club Champs 2021 (Seniors) | Standard | 2021-06-05 | 2021-08-14 | Overberg (WOS) | 10 | 1558.2 | 5 | 2 | 1180.5 | -35.9 | Details |
| 19 | Coast to Coast 2021 (Open) | Rapid | 2021-08-28 | 2021-08-28 | West Coast (WCU) | 7 | 1558.2 | 7 | 2 | 1364.1 | -19.8 | Details |
| 20 | Coast to Coast 2021 (Blitz) | Blitz | 2021-08-27 | 2021-08-27 | West Coast (WCU) | 5 | 1558.2 | 5 | 3.5 | 1528.2 | -0.5 | Details |
| 21 | Kleinmond Open 2021 (U18+Open) | Standard | 2021-04-17 | 2021-04-17 | Overberg (WOS) | 5 | 1570.2 | 5 | 3 | 1442.6 | -7.6 | Details |
| 22 | JNW Club - Charterhouse Open 2019 (A) | Standard | 2019-04-13 | 2019-04-13 | Johannesburg Metro (GJM) | 5 | 1563.6 | 5 | 1.5 | 1617.2 | 4.3 | Details |
| 23 | JNW Club - Trinityhouse Randpark Ridge Open 2019 (A) | Standard | 2019-03-09 | 2019-03-09 | Johannesburg Metro (GJM) | 5 | 1547.1 | 5 | 2.5 | 1678.4 | 10.3 | Details |
| 24 | JNW Club - Trinityhouse Little Falls Open 2019 (A) | Standard | 2019-02-23 | 2019-02-23 | Johannesburg Metro (GJM) | 5 | 1547.9 | 5 | 2.5 | 1535.5 | -0.5 | Details |
| 25 | JNW Club - Bryanston Open 1 2019 (A) | Standard | 2019-01-26 | 2019-01-26 | Johannesburg Metro (GJM) | 5 | 1556.1 | 5 | 2 | 1538.8 | -5.3 | Details |
| 26 | JNW Club - Maragon Open 2018 (A) | Standard | 2018-08-04 | 2018-08-04 | Johannesburg Metro (GJM) | 5 | 1590.1 | 5 | 1 | 1411.3 | -21.4 | Details |
| 27 | Chessnuts - Charterhouse Open 2018 (A) | Standard | 2018-05-11 | 2018-05-12 | Johannesburg Metro (GJM) | 6 | 1570.2 | 6 | 3 | 1752.1 | 12.6 | Details |
| 28 | The Outpost Chess Club Open 2018 (A) | Standard | 2018-03-16 | 2018-03-17 | Johannesburg Metro (GJM) | 6 | 1557 | 3 | 0.5 | 1512.4 | -2 | Details |
| 29 | JNW Club - Trinityhouse Randpark Ridge Open 2018 (A) | Standard | 2018-03-24 | 2018-03-24 | Johannesburg Metro (GJM) | 5 | 1557 | 5 | 2 | 1671 | 10.3 | Details |
| 30 | Chessnuts - Kickoff Open 2018 (A+B) | Standard | 2018-02-09 | 2018-02-10 | Johannesburg Metro (GJM) | 6 | 1536.5 | 6 | 3 | 1681.6 | 12.9 | Details |
| 31 | Jnw Chess Maragon Open 2015 (A Section) | Standard | 2015-07-31 | 2015-08-01 | Johannesburg Metro (GJM) | 6 | 1425 | 5 | 2.5 | 1555 | 12.8 | Details |
| 32 | Chessexcellence May Round Robin (B) | Standard | 2015-05-30 | 2015-05-30 | Chess Excellence (CEX) | 5 | 1396 | 5 | 3.5 | 1535 | 15.8 | Details |
| 33 | Johannesburg Metro Chess Open 1 Midrand (A Section) | Standard | 2015-05-23 | 2015-05-23 | Johannesburg Metro (GJM) | 5 | 1456 | 5 | 1.5 | 1485 | 1.3 | Details |
| 34 | 2015 Capablanca (A Section) | Standard | 2015-04-30 | 2015-05-02 | Tshwane (GTP) | 7 | 1456 | 6 | 2.5 | 1128 | -29.5 | Details |
| 35 | Jnw Chess Linden Open 2015 (A Section) | Standard | 2015-04-17 | 2015-04-18 | Johannesburg Metro (GJM) | 6 | 1476 | 5 | 2.5 | 1361 | 6 | Details |
| 36 | Jnw Chess - Trinityhouse Randpark Ridge Open 2015 (A Section) | Standard | 2015-03-06 | 2015-03-07 | Johannesburg Metro (GJM) | 6 | 1492 | 5 | 1.5 | 1434 | -9.2 | Details |
| 37 | Chess Excellence February Round Robin (C) | Standard | 2015-02-07 | 2015-02-07 | Johannesburg Metro (GJM) | 5 | 1505 | 5 | 2.5 | 1441 | -7.3 | Details |
| 38 | Randburg Championships 2014 Swiss | Standard | 2014-09-30 | 2014-09-30 | Johannesburg Metro (GJM) | 7 | 1514 | 5 | 2 | 1466 | -5.6 | Details |
| 39 | Jnw Maragon Open 2014 (Section A) | Standard | 2014-08-01 | 2014-08-02 | Johannesburg Metro (GJM) | 6 | 1514 | 6 | 2.5 | 1531 | 0 | Details |
| 40 | Jhb Metro Chess Open1 2014 (A Section) | Standard | 2014-05-30 | 2014-05-31 | Johannesburg Metro (GJM) | 6 | 1514 | 5 | 2 | 1513 | 0 | Details |
| 41 | Randburg Summer Swiss 2014 | Standard | 2014-04-19 | 2014-04-19 | Johannesburg Metro (GJM) | 6 | 1441 | 6 | 3.5 | 1609 | 22.5 | Details |
| 42 | Bryanston Open 2014 (A Section) | Standard | 2014-05-09 | 2014-05-10 | Johannesburg Metro (GJM) | 6 | 1441 | 6 | 2.5 | 1618 | 21.2 | Details |
| 43 | Randburg Championships 2014 - B Section | Standard | 2014-01-31 | 2014-01-31 | Johannesburg Metro (GJM) | 11 | 1486 | 10 | 4.5 | 1347 | -28 | Details |
| 44 | Accountancy Uj Open (E Section) | Standard | 2013-09-06 | 2013-09-07 | Johannesburg Metro (GJM) | 6 | 1451 | 4 | 3.5 | 1688 | 19.8 | Details |
| 45 | Maragon Open 2013 - A Section | Standard | 2013-05-10 | 2013-05-11 | Gauteng West (GW) | 6 | 1455 | 5 | 1.5 | 1436 | -2.6 | Details |
| 46 | Trinityhouse Open 2013 A - Section | Standard | 2013-04-19 | 2013-04-20 | Gauteng West (GW) | 6 | 1467 | 6 | 1.5 | 1415 | -6.8 | Details |
| 47 | Waterkloof Open B Section | Standard | 2013-03-01 | 2013-03-01 | Tshwane (GTP) | 6 | 1447 | 6 | 5 | 1514 | 11.3 | Details |
| 48 | Randburg Championships 2013 Candidates Section | Standard | 2012-08-12 | 2013-01-12 | Gauteng West (GW) | 11 | 1397 | 11 | 6.5 | 1489 | 26.7 | Details |
| 49 | Chessexcellencedecemberroundrobin C (C) | Standard | 2012-12-01 | 2012-12-01 | Gauteng West (GW) | 5 | 1410 | 5 | 1.5 | 1336 | -7 | Details |
| 50 | Randburg Swiss No 1 2012 | Standard | 2012-02-07 | 2012-03-27 | Gauteng West (GW) | 6 | 1419 | 6 | 3 | 1476 | 5.6 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 5 |
| Draws | 1 |
| Losses | 1 |
| White | 3 |
| Black | 4 |
| White wins | 2 |
| Black wins | 3 |
| Score | 5.5 |
| Percent | 78.6 |
| Dp | 242.9 |
| AOR | 1485.1 |
| Performance | 1727.9 |
Game statistics ()
| Games | 7 |
| Wins | 5 |
| Draws | 1 |
| Losses | 1 |
| White | 3 |
| Black | 4 |
| White wins | 2 |
| Black wins | 3 |
| Score | 5.5 |
| Percent | 78.6 |
| Dp | 242.9 |
| AOR | 1485.1 |
| Performance | 1727.9 |
Game statistics (History)
| Games | 162 |
| Wins | 61 |
| Draws | 33 |
| Losses | 68 |
| White | 83 |
| Black | 79 |
| White wins | 34 |
| Black wins | 27 |
| Score | 77.5 |
| Percent | 47.8 |
| Dp | -18.4 |
| AOR | 1544.2 |
| Performance | 1525.8 |
Rankings (Main)
| National | |
| Overall | 1521 |
| Gender | 1370 |
| Age group | 126 |
| Gender/Age | 126 |
| Provincial | |
| Overall | 478 |
| Gender | 420 |
| Age group | 49 |
| Gender/Age | 49 |
| Regional | |
| Overall | 16 |
| Gender | 15 |
| Age group | 4 |
| Gender/Age | 4 |
Rankings (Standard)
| National | |
| Overall | 1445 |
| Gender | 1287 |
| Age group | 111 |
| Gender/Age | 111 |
| Provincial | |
| Overall | 430 |
| Gender | 369 |
| Age group | 42 |
| Gender/Age | 42 |
| Regional | |
| Overall | 11 |
| Gender | 10 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 7 |
| Score | 5.5 |
| Percent | 78.6 |
| Aor | 1485.1 |
| Dp | 242.9 |
| Prat | 1727.9 |
Performance ()
| Games | 7 |
| Score | 5.5 |
| Percent | 78.6 |
| Aor | 1485.1 |
| Dp | 242.9 |
| Prat | 1727.9 |
Performance (12 months)
| Games | 13 |
| Score | 7 |
| Percent | 53.8 |
| Aor | 1601.2 |
| Dp | 32.7 |
| Prat | 1633.9 |
Performance (History)
| Games | 162 |
| Score | 77.5 |
| Percent | 47.8 |
| Aor | 1544.2 |
| Dp | -18.4 |
| Prat | 1525.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Southey, AM (Andrew Mcnab) | 4 | 3 | 1 | Coast to Coast 2021 (Open) | Hermanus Chess Club Invitational January 2025 | Details |
| Overall | 2 | Brink, M (Martin) | 4 | 2 | 2 | Kleinmond Open 2021 (U18+Open) | Hermanus Chess Club Invitational January 2025 | Details |
| Overall | 3 | Willenberg, KS (Kenneth Sean) | 3 | 2 | 1 | Kleinmond Open 2021 (U18+Open) | Western Cape Club Championships 2023 (Tier 1) | Details |
| Overall | 4 | Kleyn, AE (Andrew Edward) | 3 | 1 | 2 | Chessnuts - Kickoff Open 2018 (A+B) | Chessnuts - Charterhouse Open 2018 (A) | Details |
| Overall | 5 | Basson, JE (Jacques Elbert) | 3 | 0 | 3 | Coast to Coast 2021 (Open) | Western Cape Inter Region Cup 2024 (Open) | Details |
| Standard | 1 | Swart, G (George) | 3 | 2 | 1 | Western Cape Club Championships 2021 (A) | Western Cape Club Championships 2023 (Tier 1) | Details |
| Standard | 2 | Kleyn, AE (Andrew Edward) | 3 | 1 | 2 | Chessnuts - Kickoff Open 2018 (A+B) | Chessnuts - Charterhouse Open 2018 (A) | Details |
| Standard | 3 | Willenberg, KS (Kenneth Sean) | 3 | 2 | 1 | Kleinmond Open 2021 (U18+Open) | Western Cape Club Championships 2023 (Tier 1) | Details |
| Standard | 4 | Lebea, BE (Botlhale Ezekial) | 2 | 2 | 0 | JNW Club - Trinityhouse Randpark Ridge Open 2018 (A) | JNW Club - Charterhouse Open 2019 (A) | Details |
| Standard | 5 | Zwakala, N (Ntando) | 2 | 1 | 1 | Chessnuts - Kickoff Open 2018 (A+B) | JNW Club - Trinityhouse Randpark Ridge Open 2019 (A) | Details |
| Rapid | 1 | Mostert, R (Remi) | 3 | 2 | 1 | OCF Open 2022 (Open) | Overberg Open Rapid 2024 (Open) | Details |
| Rapid | 2 | Southey, AM (Andrew Mcnab) | 3 | 2 | 1 | Coast to Coast 2021 (Open) | Hermanus Chess Club Rapid 2023 (A) | Details |
| Rapid | 3 | Schoombee, CA (Carel Aron) | 2 | 0 | 2 | The Hermanus Open 2022 (Open) | Hermanus Chess Club Rapid 2023 (A) | Details |
| Rapid | 4 | Brink, M (Martin) | 2 | 0 | 2 | Coast to Coast 2021 (Open) | Hermanus Chess Club Rapid 2023 (A) | Details |
| Rapid | 5 | Swarts, P (Paul) | 2 | 2 | 0 | Hermanus Rapid 2023 (A) | Hermanus Chess Club Open 2025 (Advanced) | Details |
| Blitz | 1 | Kariem, S (Shakir) | 2 | 1 | 1 | Coast to Coast 2021 (Blitz) | WCCA Rural Cup Blitz 2022 | Details |