PLAYER PAGE
Michael Simpson
107092639Bojanala Platina (NBR)Personal
Main rating
| Rating | 2239.7 |
| K-factor | 16 |
| Floor | 1749.2 |
| Highest | 2249.2 (2025-08-01) |
| Min/Max +/- allowed | 37 |
| Rating Change () | |
| Games | 11 |
| Score | 4.5 |
| We | 5.09 |
| SWe | -0.59 |
| Temp +/- | -9.4 |
| Penalties | 0 |
| Weight perform | 2146.8 |
| Final +/- | -9.4 |
| New Rating () | |
| Rating | 2230.3 |
| K-factor | 16 |
| Floor | 1749.2 |
| Highest | 2249.2 (2025-08-01) |
| Min/Max +/- allowed | 37.2 |
Standard rating
| Rating | 2287.6 |
| K-factor | 16 |
| Floor | 1805.5 |
| Highest | 2305.5 (2025-08-01) |
| Min/Max +/- allowed | 34.3 |
| Rating Change () | |
| Games | 11 |
| Score | 4.5 |
| We | 5.42 |
| SWe | -0.92 |
| Temp +/- | -14.8 |
| Penalties | 0 |
| Weight perform | 2146.8 |
| Final +/- | -14.8 |
| New Rating () | |
| Rating | 2272.8 |
| K-factor | 16 |
| Floor | 1805.5 |
| Highest | 2305.5 (2025-08-01) |
| Min/Max +/- allowed | 34.3 |
Rapid rating
| Rating | 1911.7 |
| K-factor | 24 |
| Floor | 1415.5 |
| Highest | 1915.5 (2024-08-01) |
| Min/Max +/- allowed | 59.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1604.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1911.7 |
| K-factor | 24 |
| Floor | 1415.5 |
| Highest | 1915.5 (2024-08-01) |
| Min/Max +/- allowed | 59.8 |
Blitz rating
| Rating | 1936.6 |
| K-factor | 24 |
| Floor | 1444.2 |
| Highest | 1944.2 (2025-01-01) |
| Min/Max +/- allowed | 57.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1852 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1936.6 |
| K-factor | 24 |
| Floor | 1444.2 |
| Highest | 1944.2 (2025-01-01) |
| Min/Max +/- allowed | 57.4 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 South African Closed Chess Championships (Open) | Classical | 2026-02-21 | 2026-03-01 | Johannesburg Metro (GJM) | 11 | 2239.7 | 11 | 4.5 | 2191.3 | -9.4 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Bojanala Closed Chess Championships 2026 (U20) | Classical | 2026-02-13 | 2026-02-15 | Bojanala Platina (NBR) | 5 | 2231.7 | 5 | 5 | 1966.2 | 0 | Details |
| 2 | MCA Welcome JHB 2026 (Expert) | Standard | 2026-02-07 | 2026-02-07 | Johannesburg Metro (GJM) | 5 | 2231.7 | 5 | 4 | 2470.7 | 0 | Details |
| 3 | 2026 JMC Kick off Tournament (A) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 2231.7 | 5 | 3.5 | 2022.9 | 0 | Details |
| 4 | Bojanala Wildcard Chess Championships 2026 (Open) | Standard | 2026-01-24 | 2026-01-24 | Bojanala Platina (NBR) | 5 | 2240.6 | 5 | 4 | 2094.2 | 0 | Details |
| 5 | Bojanala's Kings & Queens 2025 (Blitz) | Blitz | 2025-10-25 | 2025-10-25 | Bojanala Platina (NBR) | 9 | 2249.2 | 9 | 8 | 2003.4 | 0 | Details |
| 6 | Bojanala's FIDE On The Orion Express 2025 (Queens) | Classical | 2025-10-03 | 2025-10-05 | Bojanala Platina (NBR) | 6 | 2249.2 | 6 | 4.5 | 2139.2 | 0 | Details |
| 7 | Eureka Chess Open 26 July 2025 (A) | Standard | 2025-07-26 | 2025-07-26 | Sedibeng (GSV) | 5 | 2190.1 | 5 | 5 | 2341.3 | 0 | Details |
| 8 | MCA Winter Chill Classic 2025 (Expert) | Standard | 2025-07-19 | 2025-07-19 | Johannesburg Metro (GJM) | 5 | 2190.1 | 5 | 4 | 2293.7 | 0 | Details |
| 9 | South African Open 2025 (Championship) | Classical | 2025-06-28 | 2025-07-05 | Johannesburg Metro (GJM) | 11 | 2190.1 | 11 | 8 | 2298.5 | 0 | Details |
| 10 | South African Open 2025 (Blitz) | Blitz | 2025-07-02 | 2025-07-02 | Johannesburg Metro (GJM) | 9 | 2190.1 | 9 | 7.5 | 2110.9 | 0 | Details |
| 11 | 2025 African Individual Chess Championships | Classical | 2025-05-13 | 2025-05-20 | Egypt (EGY) | 9 | 2147.1 | 9 | 5 | 2388.8 | 0 | Details |
| 12 | Moja Chess Extravaganza 2025 (Prestige) | Classical | 2025-04-26 | 2025-05-01 | Johannesburg Metro (GJM) | 9 | 2147.1 | 8 | 4 | 2164.6 | 0 | Details |
| 13 | Bojanala's Rosewood Easter Open 2025 (Queens) | Standard | 2025-04-19 | 2025-04-19 | Bojanala Platina (NBR) | 5 | 2140.9 | 5 | 5 | 2179.5 | 0 | Details |
| 14 | Bojanala's Battle In The Kloof 2025 (Queens) | Standard | 2025-02-15 | 2025-02-15 | Bojanala Platina (NBR) | 5 | 2164.5 | 5 | 5 | 1959 | 0 | Details |
| 15 | 2025 Blou Bul Open Chess Tournament (A) | Standard | 2025-02-08 | 2025-02-08 | Tshwane (GTP) | 5 | 2164.5 | 5 | 3.5 | 1986.2 | 0 | Details |
| 16 | Bojanala Closed Chess Championships 2025 (U18) | Classical | 2025-01-31 | 2025-02-02 | Bojanala Platina (NBR) | 5 | 2164.5 | 5 | 4.5 | 1987.2 | 0 | Details |
| 17 | Bojanala Wildcard 2025 (Queens) | Standard | 2025-01-25 | 2025-01-25 | Bojanala Platina (NBR) | 5 | 2167.5 | 5 | 4.5 | 2053.1 | 0 | Details |
| 18 | USSA Chess Championships 2024 (Blitz) | Blitz | 2024-12-01 | 2024-12-01 | Tshwane (GTP) | 9 | 2169.5 | 9 | 7 | 2093.8 | 0 | Details |
| 19 | Bojanala's Brink Of Activity 2024 (Queens) | Standard | 2024-11-30 | 2024-11-30 | Bojanala Platina (NBR) | 5 | 2122 | 5 | 5 | 2189.1 | 0 | Details |
| 20 | FIDE World Youth Chess Championships 2024 | Classical | 2024-10-29 | 2024-11-09 | FIDE (FID) | 11 | 2122 | 11 | 5.5 | 2292.8 | 0 | Details |
| 21 | CPH Boksburg Open 2024 (Prestige 1) | Standard | 2024-10-25 | 2024-10-26 | Ekurhuleni (GE) | 5 | 2112.2 | 5 | 3 | 2110.3 | 0 | Details |
| 22 | 2024 Tshwane Chess Club Clash (Prestige) | Standard | 2024-10-12 | 2024-10-12 | Tshwane (GTP) | 5 | 2112.2 | 5 | 3 | 2071.9 | 0 | Details |
| 23 | Bojanala's Battle of Mount Cambridge 2024 (Queens) | Standard | 2024-10-05 | 2024-10-05 | Bojanala Platina (NBR) | 5 | 2112.2 | 5 | 4.5 | 2215.9 | 0 | Details |
| 24 | 2024 Moja Chess Extravaganza (Prestige) | Classical | 2024-09-25 | 2024-09-29 | Frances Baard (NCF) | 9 | 2130.2 | 9 | 6 | 2012.6 | 0 | Details |
| 25 | JCC Khelo India 1st Annual Chess Tournament 2024 (Pestige) | Standard | 2024-08-31 | 2024-08-31 | Johannesburg Metro (GJM) | 5 | 2130.2 | 5 | 3.5 | 2139.8 | 0 | Details |
| 26 | Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) | Classical | 2024-08-16 | 2024-08-18 | Bojanala Platina (NBR) | 6 | 2151.9 | 6 | 4.5 | 2003.5 | 0 | Details |
| 27 | Bojanala's Kings & Queens Rapid and Doubles 2024 (Open) | Rapid | 2024-08-10 | 2024-08-10 | Bojanala Platina (NBR) | 7 | 2151.9 | 7 | 5.5 | 1985.4 | 0 | Details |
| 28 | Eureka Open 27 July 2024 (A) | Standard | 2024-07-27 | 2024-07-27 | Sedibeng (GSV) | 5 | 2179.2 | 5 | 3 | 2049.3 | 0 | Details |
| 29 | Incognito Invitational 2024 (A) | Standard | 2024-07-21 | 2024-07-21 | Bojanala Platina (NBR) | 5 | 2179.2 | 5 | 3.5 | 2070.8 | 0 | Details |
| 30 | Midvaal Winter Classic 13 July 2024 (A) | Rapid | 2024-07-13 | 2024-07-13 | Sedibeng (GSV) | 7 | 2179.2 | 7 | 6 | 2111.6 | 0 | Details |
| 31 | South African Open Chess Championship 2024 (A) | Classical | 2024-06-29 | 2024-07-07 | Ethekwini (KED) | 11 | 2179.2 | 11 | 7.5 | 2060 | 0 | Details |
| 32 | 2024 African Youth Chess Championship | Classical | 2024-06-16 | 2024-06-22 | Tshwane (GTP) | 9 | 2154.4 | 9 | 7 | 2274.3 | 0 | Details |
| 33 | Spartan Bishops Chess Championships 2024 (Kings) | Standard | 2024-05-04 | 2024-05-05 | Bojanala Platina (NBR) | 5 | 2142.4 | 5 | 4 | 1855.6 | 0 | Details |
| 34 | South African Junior Closed Chess Championship 2024 (U18 Open) | Classical | 2024-04-27 | 2024-05-01 | Ekurhuleni (GE) | 9 | 2142.4 | 9 | 8.5 | 2237.6 | 0 | Details |
| 35 | South African Closed Chess Championship 2024 (Open) | Classical | 2024-03-25 | 2024-04-02 | Cape Town (WCT) | 11 | 2148 | 11 | 4 | 2125 | 0 | Details |
| 36 | Schoemies' Kings & Queens 2024 (Queens) | Standard | 2024-03-02 | 2024-03-02 | Bojanala Platina (NBR) | 5 | 2159.3 | 5 | 3.5 | 1833.8 | 0 | Details |
| 37 | Bojanala Closed Chess Championships Finals 2024 (U18) | Classical | 2024-02-09 | 2024-02-11 | Bojanala Platina (NBR) | 5 | 2158.7 | 5 | 5 | 1986.7 | 0 | Details |
| 38 | 2023 Cross Border Chess Championships Gaborone vs Bojanala | Classical | 2023-12-14 | 2023-12-16 | Botswana (BOT) | 5 | 2071.7 | 5 | 4.5 | 2111.8 | 0 | Details |
| 39 | 2023 Moja Chess Extravaganza (Prestige) | Classical | 2023-09-30 | 2023-10-04 | Frances Baard (NCF) | 9 | 2034.5 | 9 | 6 | 2211.6 | 0 | Details |
| 40 | Emalahleni Spring Open 2023 (A) | Standard | 2023-09-22 | 2023-09-23 | Ngaka Modiri Molema (NNM) | 6 | 2049.7 | 5 | 3.5 | 1928.7 | 0 | Details |
| 41 | Bojanala's Battle Of Mount Cambridge 2023 (Money Queens) | Standard | 2023-09-16 | 2023-09-16 | Bojanala Platina (NBR) | 5 | 2049.7 | 5 | 3.5 | 1936.2 | 0 | Details |
| 42 | FIDE World Youth U16 Chess Olympiad 2023 | Rapid | 2023-08-13 | 2023-08-18 | Netherlands (NED) | 9 | 2036 | 9 | 5.5 | 1861.3 | 0 | Details |
| 43 | CHESS SLOVAK OPEN 2023 | Classical | 2023-08-19 | 2023-08-27 | Slovakia (SVK) | 9 | 2036 | 8 | 3.5 | 2134.4 | 0 | Details |
| 44 | Chess Slovak OPEN Blitz 2023 | Blitz | 2023-08-20 | 2023-08-20 | Slovakia (SVK) | 11 | 2036 | 11 | 7 | 2124.7 | 0 | Details |
| 45 | Chess Slovak OPEN Rapid 2023 | Rapid | 2023-08-26 | 2023-08-26 | Slovakia (SVK) | 7 | 2036 | 7 | 4 | 1966.9 | 0 | Details |
| 46 | Emalahleni Winter Open 2023 (A) | Rapid | 2023-08-05 | 2023-08-05 | Nkangala (MNW) | 6 | 2036 | 5 | 4 | 1969.8 | 0 | Details |
| 47 | Bojanala's FIDE in the Sparkling Waters 2023 (Prestige) | Classical | 2023-07-28 | 2023-07-30 | Bojanala Platina (NBR) | 6 | 2041.4 | 6 | 4.5 | 1776.4 | 0 | Details |
| 48 | BCI Mozambique Chess Open 2023 | Classical | 2023-06-23 | 2023-06-25 | Mozambique (MOZ) | 7 | 2035.2 | 7 | 5.5 | 2040.6 | 0 | Details |
| 49 | Mzansi Fide Open 2023 (Prestige) | Classical | 2023-04-27 | 2023-05-01 | Johannesburg Metro (GJM) | 6 | 2008.6 | 6 | 4.5 | 2196.3 | 0 | Details |
| 50 | Mzansi Open Blitz 2023 | Blitz | 2023-04-29 | 2023-04-29 | Johannesburg Metro (GJM) | 9 | 1992 | 9 | 7.5 | 2232.3 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 31 |
| Wins | 17 |
| Draws | 8 |
| Losses | 6 |
| White | 16 |
| Black | 15 |
| White wins | 10 |
| Black wins | 7 |
| Score | 21 |
| Percent | 67.7 |
| Dp | 150.8 |
| AOR | 2006.4 |
| Performance | 2157.2 |
Game statistics (History)
| Games | 929 |
| Wins | 592 |
| Draws | 114 |
| Losses | 223 |
| White | 464 |
| Black | 465 |
| White wins | 303 |
| Black wins | 289 |
| Score | 649 |
| Percent | 69.9 |
| Dp | 168.8 |
| AOR | 1661.5 |
| Performance | 1830.3 |
Rankings (Main)
| National | |
| Overall | 14 |
| Gender | 14 |
| Age group | 3 |
| Gender/Age | 3 |
| Provincial | |
| Overall | 2 |
| Gender | 2 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 2 |
| Gender | 2 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 10 |
| Gender | 10 |
| Age group | 3 |
| Gender/Age | 3 |
| Provincial | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Rapid)
| National | |
| Overall | 27 |
| Gender | 27 |
| Age group | 3 |
| Gender/Age | 3 |
| Provincial | |
| Overall | 4 |
| Gender | 4 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 4 |
| Gender | 4 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Blitz)
| National | |
| Overall | 26 |
| Gender | 26 |
| Age group | 2 |
| Gender/Age | 2 |
| Provincial | |
| Overall | 4 |
| Gender | 4 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 4 |
| Gender | 4 |
| Age group | 1 |
| Gender/Age | 1 |
Performance ( )
| Games | 11 |
| Score | 4.5 |
| Percent | 40.9 |
| Aor | 2268.6 |
| Dp | -77.3 |
| Prat | 2191.3 |
Performance ()
| Games | 31 |
| Score | 21 |
| Percent | 67.7 |
| Aor | 2006.4 |
| Dp | 150.8 |
| Prat | 2157.2 |
Performance (12 months)
| Games | 98 |
| Score | 72 |
| Percent | 73.5 |
| Aor | 1993.5 |
| Dp | 199.5 |
| Prat | 2193 |
Performance (History)
| Games | 929 |
| Score | 649 |
| Percent | 69.9 |
| Aor | 1661.5 |
| Dp | 168.8 |
| Prat | 1830.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Khumalo, KB (Keith Babongile) | 14 | 9 | 5 | Boksburg Chess Club Open 2019 (A) | Eureka Chess Open 26 July 2025 (A) | Details |
| Overall | 2 | Mabusela, JM (Johannes Manyedi) | 12 | 7 | 5 | 2022 Lubowski Open Tournament (A) | Moja Chess Extravaganza 2025 (Prestige) | Details |
| Overall | 3 | Mhango, BF (Banele) | 11 | 3 | 8 | Thabazimbi Open Chess Championship 2022 (A) | 2026 South African Closed Chess Championships (Open) | Details |
| Overall | 4 | Smit, D (Devon) | 11 | 7 | 4 | Tembisa Libraries Chess Challenge 2018 | USSA Chess Championships 2024 (Blitz) | Details |
| Overall | 5 | Mlahleki, V (Vusimuzi) | 10 | 4 | 6 | 2019 Inter Region Chess Championships | Mzansi Fide Open 2023 (Prestige) | Details |
| Standard | 1 | Khumalo, KB (Keith Babongile) | 10 | 6 | 4 | Boksburg Chess Club Open 2019 (A) | Eureka Chess Open 26 July 2025 (A) | Details |
| Standard | 2 | Oatlhotse, P (Providence) | 9 | 4 | 5 | Emalahleni Spring Open 2023 (A) | Eureka Chess Open 26 July 2025 (A) | Details |
| Standard | 3 | Mhango, BF (Banele) | 9 | 2 | 7 | Thabazimbi Open Chess Championship 2022 (A) | 2026 South African Closed Chess Championships (Open) | Details |
| Standard | 4 | Price, DR (Daelen Rowan) | 9 | 4 | 5 | Ekurhuleni North School District Finals 2019 (U13 Boys) | Bojanala Closed Chess Championships 2026 (U20) | Details |
| Standard | 5 | Felix, R (Raphael) | 9 | 5 | 4 | Witfield Open 2018 (B) | Bojanala Wildcard Chess Championships 2026 (Open) | Details |
| Rapid | 1 | Khumalo, KB (Keith Babongile) | 2 | 1 | 1 | CPH Chess Clubs Challenge 2022 (A) | Midvaal Winter Classic 13 July 2024 (A) | Details |
| Rapid | 2 | Smit, D (Devon) | 2 | 1 | 1 | Tembisa Libraries Chess Challenge 2018 | Midvaal Winter Classic 13 July 2024 (A) | Details |
| Rapid | 3 | Mpya, TM (Tshediso Matome) | 2 | 0 | 2 | 2019 SWVG Arnold Classic (Rapid Prestige) | Bojanala's Kings & Queens Rapid and Doubles 2024 (Open) | Details |
| Blitz | 1 | Smit, D (Devon) | 4 | 2 | 2 | 2019 SWVG Arnold Classic (Blitz Prestige) | USSA Chess Championships 2024 (Blitz) | Details |
| Blitz | 2 | Mabusela, JM (Johannes Manyedi) | 3 | 2 | 1 | Chessheroes Bowls Club Zoo Lake Challenge 2022 | Mzansi Open Blitz 2023 | Details |
| Blitz | 3 | Bucceri, DR (Draven Ricardo) | 2 | 1 | 1 | 2019 SWVG Arnold Classic (Blitz Prestige) | Waterkloof end of Year Blitz 2019 | Details |
| Blitz | 4 | Jack, AW (Azile Wandile) | 2 | 0 | 2 | 2019 South African Juior Blitz Championship (A) | USSA Chess Championships 2024 (Blitz) | Details |
| Blitz | 5 | Uzeni, T (Tapera) | 2 | 1 | 1 | 2019 SWVG Arnold Classic (Blitz Prestige) | 2019 South African Juior Blitz Championship (A) | Details |