Player Page

Khumalo, KB (Keith)
Dob: 2001/04/26 (Adult)
Gender: Male
Chess SA id: 101015487
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s): CM
Last active: 2024/06/02 (18 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 rating2169.4
Current Weighted rating2163.1
Current Weighted performance2005.0
Current official/published rating (highest between Raw, WR and WP)2169.4
Current highest rating achieved2235.1
Current floor (min rating allowed)1735.1
Current K-factor16
Games played this month9
Score (S)6.5
Expected score (We)6.95
Difference (S-We)-0.37
Current Raw change (no limits, including tournament time weight)-6.0
Current min/max change allowed (with limits)±41.7
Current Raw change used (final)-6.0
Projected new Raw rating2163.4
Projected new Weighed rating1991.4
Projected new Weighted performance2030.4
Projected new final Raw rating (if new WP > new Raw)2163.4
Projected new highest rating2235.1
Projected new floor1735.1
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2163.4
Projected effective change (new Official - current Official)-6.0
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 rating2178.9
Current Weighted rating2158.6
Current Weighted performance2005.0
Current official/published rating (highest between Raw, WR and WP)2178.9
Current highest rating achieved2241.3
Current floor (min rating allowed)1741.3
Current K-factor16
Games played this month9
Score (S)6.5
Expected score (We)7.02
Difference (S-We)-0.52
Current Raw change (no limits, including tournament time weight)-8.3
Current min/max change allowed (with limits)±41.1
Current Raw change used (final)-8.3
Projected new Raw rating2170.6
Projected new Weighed rating1987.3
Projected new Weighted performance2030.4
Projected new final Raw rating (if new WP > new Raw)2170.6
Projected new highest rating2241.3
Projected new floor1741.3
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2170.6
Projected effective change (new Official - current Official)-8.3
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 rating2220.9
Current Weighted rating2148.6
Current Weighted performance2032.1
Current official/published rating (highest between Raw, WR and WP)2220.9
Current highest rating achieved2220.9
Current floor (min rating allowed)1720.9
Current K-factor16
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)±38.7
Current Raw change used (final)0.0
Projected new Raw rating2220.9
Projected new Weighed rating1979.1
Projected new Weighted performance2032.1
Projected new final Raw rating (if new WP > new Raw)2220.9
Projected new highest rating2220.9
Projected new floor1720.9
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2220.9
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 rating2258.5
Current Weighted rating2200.6
Current Weighted performance1942.5
Current official/published rating (highest between Raw, WR and WP)2258.5
Current highest rating achieved2264.5
Current floor (min rating allowed)1764.5
Current K-factor16
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)±36.7
Current Raw change used (final)0.0
Projected new Raw rating2258.5
Projected new Weighed rating2026.0
Projected new Weighted performance1942.5
Projected new final Raw rating (if new WP > new Raw)2258.5
Projected new highest rating2264.5
Projected new floor1764.5
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2258.5
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: JMC Trinityhouse Little Falls 2024 (A)
Start: 2024/06/02  End: 2024/06/02  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 3.0
Main rating: 2169.4  Rating gain/loss: -5.3
Type rating: 2178.9  Rating gain/loss: -6.9
Analysis
Tournament: 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige)
Start: 2024/06/01  End: 2024/06/01  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 2169.4  Rating gain/loss: -0.7
Type rating: 2178.9  Rating gain/loss: -1.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
15 JMC Trinityhouse Little Falls 2024 (A) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 4 3.0 2169.4 2178.9 Analysis
14 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.5 2169.4 2178.9 Analysis
13 10th Piet van Zyl Chess Festival 2024 (A+B) 2024/05/24 2024/05/25 Mangaung (FMB) Standard 90 0.94 5 5 4.5 2192.3 2206.4 Analysis
12 JMC Crawford International Sandton 2024 (A) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 2.5 2192.3 2206.4 Analysis
11 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 2192.3 2206.4 Analysis
10 2024 Ethekwini Open (A) 2024/04/20 2024/04/21 Ethekwini (KED) Standard 60 0.83 6 6 6.0 2228.2 2234.9 Analysis
9 UFH Open 2024 (A) 2024/04/13 2024/04/14 Amathole (EAL) Standard 90 0.94 7 7 6.0 2228.2 2234.9 Analysis
8 South African Closed Chess Championship 2024 (Open) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 2.5 2228.2 2234.9 Analysis
7 Wanderers Blitz Tournament 2024 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 7.0 2235.1 2264.5 Analysis
6 JNW Open - Classic - Crawford 2024 (A) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2235.1 2241.3 Analysis
5 JMC Unika School Tournament 2024 (A) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2235.1 2241.3 Analysis
4 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 4.5 2222.5 2204.9 Analysis
3 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 2202.6 2198.9 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (Prestige) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.5 2202.6 2198.9 Analysis
1 2024 Gauteng Inter-Region Chess Championship (Adult A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.5 2202.6 2198.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
148 JMC Trinityhouse Little Falls 2024 (A) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 4 3.0 2169.4 2178.9 Analysis
147 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.5 2169.4 2178.9 Analysis
146 10th Piet van Zyl Chess Festival 2024 (A+B) 2024/05/24 2024/05/25 Mangaung (FMB) Standard 90 0.94 5 5 4.5 2192.3 2206.4 Analysis
145 JMC Crawford International Sandton 2024 (A) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 2.5 2192.3 2206.4 Analysis
144 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 2192.3 2206.4 Analysis
143 2024 Ethekwini Open (A) 2024/04/20 2024/04/21 Ethekwini (KED) Standard 60 0.83 6 6 6.0 2228.2 2234.9 Analysis
142 UFH Open 2024 (A) 2024/04/13 2024/04/14 Amathole (EAL) Standard 90 0.94 7 7 6.0 2228.2 2234.9 Analysis
141 South African Closed Chess Championship 2024 (Open) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 2.5 2228.2 2234.9 Analysis
140 Wanderers Blitz Tournament 2024 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 7.0 2235.1 2264.5 Analysis
139 JNW Open - Classic - Crawford 2024 (A) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2235.1 2241.3 Analysis
138 JMC Unika School Tournament 2024 (A) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2235.1 2241.3 Analysis
137 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 4.5 2222.5 2204.9 Analysis
136 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 2202.6 2198.9 Analysis
135 2024 Tshwane Chess OPEN Registration Tournament (Prestige) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.5 2202.6 2198.9 Analysis
134 2024 Gauteng Inter-Region Chess Championship (Adult A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.5 2202.6 2198.9 Analysis
133 2023 USSA Championships (Blitz) 2023/12/06 2023/12/06 Ethekwini (KED) Blitz 5 0.18 9 9 8.5 2098.8 2144.9 Analysis
132 Mbombela Chess Club Annual 2023 (Open) 2023/12/02 2023/12/02 Nelson Mandela Bay (ENM) Standard 63 0.84 5 5 4.5 2098.8 2075.7 Analysis
131 Africawide Chess Championship 2023 (Prestige) 2023/11/03 2023/11/05 Johannesburg Metro (GJM) Standard 90 0.94 7 6 3.0 2099.2 2072.1 Analysis
130 2023 Tuks Open Chess Tournament (A) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 5 3.0 2142.5 2117.0 Analysis
129 2023 Moja Chess Extravaganza (Blitz) 2023/10/03 2023/10/03 Frances Baard (NCF) Blitz 5 0.18 7 7 6.0 2142.5 2157.9 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 86 53 20 13 63.0 73.3 197.7 1936.0 2133.7
White 43 22 16 5 30.0 69.8 168.0 1962.3 2130.4
Black 43 31 4 8 33.0 76.7 227.3 1909.7 2137.0
Standard All 72 43 17 12 51.5 71.5 183.0 1939.8 2122.8
White 37 18 14 5 25.0 67.6 149.3 1973.3 2122.6
Black 35 25 3 7 26.5 75.7 218.6 1904.5 2123.0
Rapid All 5 4 1 0 4.5 90.0 340.0 2076.5 2416.5
White 2 1 1 0 1.5 75.0 212.5 2045.8 2258.3
Black 3 3 0 0 3.0 100.0 425.0 2097.0 2522.0
Blitz All 9 6 2 1 7.0 77.8 236.1 1827.6 2063.8
White 4 3 1 0 3.5 87.5 318.8 1819.4 2138.2
Black 5 3 1 1 3.5 70.0 170.0 1834.2 2004.2
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 922 583 222 117 694.0 75.3 214.8 1807.9 2022.7
White 470 304 118 48 363.0 77.2 231.5 1805.5 2037.0
Black 452 279 104 69 331.0 73.2 197.5 1810.4 2007.9
Standard All 674 401 178 95 490.0 72.7 193.0 1807.4 2000.4
White 341 207 95 39 254.5 74.6 209.4 1810.6 2019.9
Black 333 194 83 56 235.5 70.7 176.1 1804.2 1980.4
Rapid All 54 38 11 5 43.5 80.6 259.7 1863.7 2123.4
White 29 21 5 3 23.5 81.0 263.8 1809.5 2073.3
Black 25 17 6 2 20.0 80.0 255.0 1926.6 2181.6
Blitz All 194 144 33 17 160.5 82.7 278.2 1794.0 2072.3
White 100 76 18 6 85.0 85.0 297.5 1787.1 2084.6
Black 94 68 15 11 75.5 80.3 257.7 1801.4 2059.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 103022974 Mhango, BF (Banele) 37 18.5 4 29 4 50.0 2102.7 0.0 2102.7 View list
2 184019054 Mabusela, JM (Johannes) 30 12.5 6 13 11 41.7 2086.9 -70.8 2016.1 View list
3 192023485 Mnguni, JD (Jakob) 24 12.5 7 11 6 52.1 2098.3 17.7 2116.0 View list
4 101050584 Mazibuko, K (Khanya) 22 15.5 10 11 1 70.5 2082.2 173.9 2256.1 View list
5 194026329 Mwale, J (Joseph) 22 10.0 7 6 9 45.5 2051.7 -38.6 2013.1 View list
6 185028656 Oatlhotse, P (Providence) 15 8.0 5 6 4 53.3 2078.8 28.3 2107.1 View list
7 191012376 Hercules, BV (Benjamin) 14 5.5 3 5 6 39.3 2043.0 -91.1 1952.0 View list
8 101023373 Mlahleki, V (Vusimuzi) 13 8.5 4 9 0 65.4 2065.8 130.8 2196.6 View list
9 187019959 Makoto, R (Rodwell) 13 7.5 3 9 1 57.7 2069.9 65.4 2135.3 View list
10 182025885 Mthunzi, B (Brighton) 12 8.0 5 6 1 66.7 2074.1 141.7 2215.8 View list
11 197084822 Mathebula, X (Xolani Cebo) 11 9.0 8 2 1 81.8 2074.5 270.5 2344.9 View list
12 183068085 Magagula, R (Raymond) 10 10.0 10 0 0 100.0 2105.1 425.0 2530.1 View list
13 182004314 Cawdery, DJ (Daniel) 9 1.5 0 3 6 16.7 2073.2 -283.3 1789.9 View list
14 105058538 Smit, D (Devon) 8 7.0 6 2 0 87.5 2107.6 318.8 2426.3 View list
15 198056522 Teeke, K (Karabo) 8 6.0 5 2 1 75.0 2090.0 212.5 2302.5 View list
16 199021497 Masiya, MA (Mfundo) 8 4.5 2 5 1 56.3 2017.2 53.1 2070.3 View list
17 110086011 Felix, R (Raphael) 7 6.0 6 0 1 85.7 2097.9 303.6 2401.5 View list
18 107092639 Simpson, M (Michael) 7 5.0 4 2 1 71.4 2097.1 182.1 2279.3 View list
19 105029067 Oosthuizen, MJ (Michal) 7 4.0 3 2 2 57.1 2087.8 60.7 2148.5 View list
20 197002154 Bezuidenhout, RR (Roland) 7 2.5 0 5 2 35.7 2018.6 -121.4 1897.2 View list