Player Page

Khosa, A (Alex)
Dob: 2003/07/19 (Adult)
Gender: Male
Chess SA id: 1030140558
FIDE id:
Region: Ngaka Modiri Molema (NNM)
Citizen: RSA
Title(s):
Last active: 2024/01/28 (105 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 rating1583.8
Curent Weighted rating1450.0
Curent Weighted performance1548.6
Current official/published rating (highest between Raw, WR and WP)1583.8
Current floor (min rating allowed)1083.8
Current highest rating achieved1583.8
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)±96.0
Current Raw change used (final)0.0
Projected new Raw rating1583.8
Projected new Weighed rating1465.4
Projected new Weighted performance1548.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1583.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1583.8
Projected new floor1083.8
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 rating1606.8
Curent Weighted rating1469.0
Curent Weighted performance1523.4
Current official/published rating (highest between Raw, WR and WP)1606.8
Current floor (min rating allowed)1106.8
Current highest rating achieved1606.8
Current K-factor28
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)±92.9
Current Raw change used (final)0.0
Projected new Raw rating1606.8
Projected new Weighed rating1484.9
Projected new Weighted performance1523.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1606.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1606.8
Projected new floor1106.8
Projected new K-facor28
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 rating1297.2
Curent Weighted rating1241.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1297.2
Current floor (min rating allowed)797.2
Current highest rating achieved1297.2
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)±144.4
Current Raw change used (final)0.0
Projected new Raw rating1297.2
Projected new Weighed rating1247.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1297.2
Projected new floor797.2
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)797.2
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 floor797.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 JMC Kick Off Tournament 2024 (B) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1546.9 1597.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 JMC Kick Off Tournament 2024 (B) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1546.9 1597.2 Analysis
8 Chess Power House Festive Rapid 2023 (B) 2023/12/15 2023/12/15 Johannesburg Metro (GJM) Rapid 20 0.47 6 6 4.0 1449.2 1200.0 Analysis
7 2023 USSA Championships (Open) 2023/12/04 2023/12/08 Ethekwini (KED) Standard 120 1.00 9 9 6.0 1449.2 1469.8 Analysis
6 2023 Thomas Lechelele North West Open (Presige) 2023/09/15 2023/09/16 Dr Kenneth Kaunda (NWP) Standard 90 0.94 7 7 5.0 1336.2 1352.8 Analysis
5 Freedom Day Tournament 2023 (Open) 2023/04/29 2023/04/29 Ngaka Modiri Molema (NNM) Standard 60 0.83 5 5 4.0 1300.0 1312.5 Analysis
4 Ekurhuleni Chess Springs Club Open 2022 (B) 2022/09/03 2022/09/03 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1277.9 1287.3 Analysis
3 Youth Day Chess 2022 (Open) 2022/06/25 2022/06/25 Ngaka Modiri Molema (NNM) Standard 60 0.83 5 5 3.0 1251.3 1254.2 Analysis
2 Thomas Lechelele NW Open 2022 (A) 2022/05/14 2022/05/15 Ngaka Modiri Molema (NNM) Standard 90 0.94 6 6 3.0 1223.2 1227.2 Analysis
1 Freedom Day Chess Tournament 2022 (Open) 2022/04/30 2022/04/30 Ngaka Modiri Molema (NNM) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 4 0 1 4.0 80.0 255.0 1405.0 1660.0
White 3 2 0 1 2.0 66.7 141.7 1416.8 1558.5
Black 2 2 0 0 2.0 100.0 425.0 1387.3 1812.3
Standard All 5 4 0 1 4.0 80.0 255.0 1405.0 1660.0
White 3 2 0 1 2.0 66.7 141.7 1416.8 1558.5
Black 2 2 0 0 2.0 100.0 425.0 1387.3 1812.3
Rapid 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
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 53 35 2 16 36.0 67.9 152.4 1387.7 1540.0
White 24 16 1 7 16.5 68.8 159.4 1386.6 1546.0
Black 29 19 1 9 19.5 67.2 146.6 1388.6 1535.1
Standard All 47 31 2 14 32.0 68.1 153.7 1372.9 1526.7
White 21 13 1 7 13.5 64.3 121.4 1400.1 1521.6
Black 26 18 1 7 18.5 71.2 179.8 1351.0 1530.8
Rapid All 6 4 0 2 4.0 66.7 141.7 1503.1 1644.8
White 3 3 0 0 3.0 100.0 425.0 1291.9 1716.9
Black 3 1 0 2 1.0 33.3 -141.7 1714.3 1572.6
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 188017699 Lemme, T (Tumelo) 2 1.0 1 0 1 50.0 1237.3 0.0 1237.3 View list
2 198017168 Lata, O (Otshepegile) 2 0.0 0 0 2 0.0 1261.6 -425.0 836.6 View list
3 184016728 Makhosonke, KM (Kuhlase) 2 0.0 0 0 2 0.0 1392.7 -425.0 967.7 View list
4 175000249 Adamson, LJ (Luke) 1 1.0 1 0 0 100.0 1546.9 425.0 1971.9 View list
5 199045771 Ledwaba, A (Amogelang) 1 1.0 1 0 0 100.0 1277.9 425.0 1702.9 View list
6 1000105559 Kitaya, JM (Jonathan Mpumpa) 1 1.0 1 0 0 100.0 1449.2 425.0 1874.2 View list
7 2030103754 Khumalo, R (Rethabile) 1 1.0 1 0 0 100.0 1223.2 425.0 1648.2 View list
8 1050191425 Khumalo, B (Bayanda) 1 1.0 1 0 0 100.0 1449.2 425.0 1874.2 View list
9 1010140560 Makgale, W (William) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 195019303 Mafora, L (Letlhogonolo) 1 1.0 1 0 0 100.0 1223.2 425.0 1648.2 View list
11 188072563 Libisi, L (Libisi) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
12 1000154521 Jabana, P (Phenyo) 1 1.0 1 0 0 100.0 1300.0 425.0 1725.0 View list
13 177011444 Grootboom, EE (Elrich) 1 1.0 1 0 0 100.0 1449.2 425.0 1874.2 View list
14 193010583 Gleeson, ML (Mark) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
15 1110097686 Froom, G (Gabriel) 1 1.0 1 0 0 100.0 1546.9 425.0 1971.9 View list
16 1030146500 Ditsepeng, M (Moteka Reamogetse) 1 1.0 1 0 0 100.0 1277.9 425.0 1702.9 View list
17 182004383 Chakandidano, N (Nhamo) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
18 197059303 Makole, M (Mpolokeng) 1 1.0 1 0 0 100.0 1251.3 425.0 1676.3 View list
19 199021742 Matlala, L (Lebogang) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 194076242 Mavuso, GT (Godfrey) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list