PLAYER PAGE
Personal
Khosa, A (Alex)
Chess SA id
1030140558FIDE id
?Date of birth
2003-07-19 (Adult)Gender
MaleRegion
Ngaka Modiri Molema (NNM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-05Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1540 | 1562.1 | 1297.2 | 1200 |
| Raw rating | 1535 | 1554 | 1297.2 | 1200 |
| Weighted rating | 1540 | 1562.1 | 1297.2 | 1200 |
| Weighted performance | 1453 | 1455.9 | 0 | 0 |
| Floor | 1083.8 | 1106.8 | 797.2 | 700 |
| K-factor | 32 | 28 | 36 | 36 |
| Min/Max rating change allowed | 102.9 | 100.1 | 144.4 | 165.8 |
| Highest rating | 1622.82024-01-01 | 1606.82024-02-01 | 1622.22023-12-01 | 12002018-10-01 |
| Highest raw rating | 1583.82024-02-01 | 1606.82024-02-01 | 1297.22024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1540.42025-08-01 | 1562.62025-08-01 | 1295.32025-08-01 | 12002018-10-01 |
| Highest weighted performance | 1622.82024-01-01 | 1597.52024-01-01 | 1622.22023-12-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -1 | -1.3 | 0 | 0 |
| New rating | 1539 | 1560.8 | 1297.2 | 1200 |
| Analysis | ||||
| Rating | 1540 | 1562.1 | 1297.2 | 1200 |
| Raw rating | 1535 | 1554 | 1297.2 | 1200 |
| Weighted rating | 1540 | 1562.1 | 1297.2 | |
| Weighted performance | 1453 | 1455.9 | 0 | |
| K-factor | 32 | 28 | 36 | 36 |
| Floor | 1083.8 | 1106.8 | 797.2 | 700 |
| Max/Min rating change allowed | 102.9 | 100.1 | 144.4 | 165.8 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1535 | 1554 | 1297.2 | 1200 |
| New weighted rating | 1539 | 1560.8 | 1297.2 | 1200 |
| New weighted performance | 1444.2 | 1447 | 0 | 0 |
| Temp new rating | 1539 | 1560.8 | 1297.2 | 1200 |
| Temp new rating +/- | -1 | -1.3 | 0 | 0 |
| Final new rating +/- | -1 | -1.3 | 0 | 0 |
| New rating | 1539 | 1560.8 | 1297.2 | 1200 |
| New K-factor | 32 | 28 | 36 | 36 |
| New floor | 1083.8 | 1106.8 | 797.2 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 21 | 21 | 0 | 0 | |
| 25 | 25 | 0 | 0 | |
| 27 | 21 | 6 | 0 | |
| 21 | 21 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 94 | 88 | 6 | 0 |
| Games since | |||||||||||||||||
| Main61 | Standard55 | Rapid6 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Ngaka Modiri Molema (NNM) | ||||||||||||||||
| Province | Northwest (NW) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 983 | 80 | 4 | ||||||||||||||
| Male | 863 | 71 | 4 | ||||||||||||||
| Adult | 375 | 26 | 3 | ||||||||||||||
| Adult Male | 351 | 24 | 3 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 808 | 75 | 4 | ||||||||||||||
| Male | 713 | 68 | 4 | ||||||||||||||
| Adult | 314 | 26 | 3 | ||||||||||||||
| Adult Male | 295 | 24 | 3 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 21 | 14 | 66.67 | 141.7 | 1392.7 | 1534.3 |
| Standard | 21 | 14 | 66.67 | 141.7 | 1392.7 | 1534.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 94 | 57.5 | 61.17 | 94.9 | 1426.3 | 1521.3 |
| Standard | 88 | 53.5 | 60.8 | 91.8 | 1421.1 | 1512.9 |
| Rapid | 6 | 4 | 66.67 | 141.7 | 1503.1 | 1644.8 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1535 | 1554 | 1297.2 | 1200 |
| 2025-09-30 | 1540.5 | 1562.6 | 1297.2 | 1200 |
| 2025-09-01 | 1540.5 | 1562.6 | 1297.2 | 1200 |
| 2025-08-01 | 1540.5 | 1562.6 | 1297.2 | 1200 |
| 2025-07-01 | 1540.5 | 1561.5 | 1297.2 | 1200 |
| 2025-06-01 | 1540.5 | 1559.6 | 1297.2 | 1200 |
| 2025-05-01 | 1535.1 | 1557.7 | 1297.2 | 1200 |
| 2025-04-01 | 1532.5 | 1555 | 1297.2 | 1200 |
| 2025-03-01 | 1529.3 | 1551.7 | 1297.2 | 1200 |
| 2025-02-01 | 1524.5 | 1546.5 | 1297.2 | 1200 |
| 2025-01-01 | 1503.7 | 1522.6 | 1297.2 | 1200 |
| 2024-12-01 | 1527.1 | 1551.7 | 1297.2 | 1200 |
| 2024-11-01 | 1527.1 | 1551.7 | 1297.2 | 1200 |
| 2024-10-01 | 1527.1 | 1551.7 | 1297.2 | 1200 |
| 2024-09-01 | 1527.1 | 1551.7 | 1297.2 | 1200 |
| 2024-08-01 | 1576.1 | 1597.6 | 1297.2 | 1200 |
| 2024-07-01 | 1583.8 | 1606.8 | 1297.2 | 1200 |
| 2024-09-01 | 1583.8 | 1606.8 | 1297.2 | 1200 |
| 2024-05-01 | 1583.8 | 1606.8 | 1297.2 | 1200 |
| 2024-04-01 | 1583.8 | 1606.8 | 1297.2 | 1200 |
| 2024-03-01 | 1583.8 | 1606.8 | 1297.2 | 1200 |
| 2024-02-01 | 1583.8 | 1606.8 | 1297.2 | 1200 |
| 2024-01-01 | 1546.9 | 1597.2 | 1297.2 | 1200 |
| 2023-12-01 | 1546.9 | 1538 | 1297.2 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bojanala's FIDE On The Orion Express 2025 (Queens) | 2025-10-03 | 2025-10-05 | Standard | Bojanala Platina (NBR) | 6 | 6 | 2 | Yes | Analysis |
| 2 | Bojanala's Circuit Championships 2 of 4 2025 (Open) | 2025-05-17 | 2025-05-17 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3.5 | Yes | Analysis |
| 3 | NWU Mahikeng Campus Chess Club League Classic Open 2025 | 2025-03-01 | 2025-04-18 | Standard | Ngaka Modiri Molema (NNM) | 7 | 6 | 5.5 | Yes | Analysis |
| 4 | East Rand Chess Club Open 2025 (A) | 2025-05-03 | 2025-05-03 | Standard | Ekurhuleni (GE) | 5 | 4 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bojanala's FIDE On The Orion Express 2025 (Queens) | 2025-10-03 | 2025-10-05 | Standard | Bojanala Platina (NBR) | 6 | 6 | 2 | Yes | Analysis |
| 2 | Bojanala's Circuit Championships 2 of 4 2025 (Open) | 2025-05-17 | 2025-05-17 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3.5 | Yes | Analysis |
| 3 | NWU Mahikeng Campus Chess Club League Classic Open 2025 | 2025-03-01 | 2025-04-18 | Standard | Ngaka Modiri Molema (NNM) | 7 | 6 | 5.5 | Yes | Analysis |
| 4 | East Rand Chess Club Open 2025 (A) | 2025-05-03 | 2025-05-03 | Standard | Ekurhuleni (GE) | 5 | 4 | 3 | Yes | Analysis |
| 5 | USSA Chess Championships 2024 (Open) | 2024-11-29 | 2024-12-03 | Standard | Tshwane (GTP) | 9 | 9 | 4.5 | Yes | Analysis |
| 6 | Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) | 2024-08-16 | 2024-08-18 | Standard | Bojanala Platina (NBR) | 6 | 6 | 1 | Yes | Analysis |
| 7 | Chess Power House July Open 2024 (A) | 2024-07-20 | 2024-07-20 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 8 | JMC Kick Off Tournament 2024 (B) | 2024-01-28 | 2024-01-28 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 9 | 2023 USSA Championships (Open) | 2023-12-04 | 2023-12-08 | Standard | Ethekwini (KED) | 9 | 9 | 6 | Yes | Analysis |
| 10 | Chess Power House Festive Rapid 2023 (B) | 2023-12-15 | 2023-12-15 | Rapid | Johannesburg Metro (GJM) | 6 | 6 | 4 | Yes | Analysis |
| 11 | 2023 Thomas Lechelele North West Open (Presige) | 2023-09-15 | 2023-09-16 | Standard | Dr Kenneth Kaunda (NWP) | 7 | 7 | 5 | Yes | Analysis |
| 12 | Freedom Day Tournament 2023 (Open) | 2023-04-29 | 2023-04-29 | Standard | Ngaka Modiri Molema (NNM) | 5 | 5 | 4 | Yes | Analysis |
| 13 | Ekurhuleni Chess Springs Club Open 2022 (B) | 2022-09-03 | 2022-09-03 | Standard | Ekurhuleni (GE) | 5 | 5 | 4 | Yes | Analysis |
| 14 | Youth Day Chess 2022 (Open) | 2022-06-25 | 2022-06-25 | Standard | Ngaka Modiri Molema (NNM) | 5 | 5 | 3 | Yes | Analysis |
| 15 | Thomas Lechelele NW Open 2022 (A) | 2022-05-14 | 2022-05-15 | Standard | Ngaka Modiri Molema (NNM) | 6 | 6 | 3 | Yes | Analysis |
| 16 | Freedom Day Chess Tournament 2022 (Open) | 2022-04-30 | 2022-04-30 | Standard | Ngaka Modiri Molema (NNM) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentUSSA Chess Championships 2024 | TournamentEast Rand Chess Club Open 2025 | ||||||
| date2024-12-03 | rnd8 | typeStandard | result1 | date2025-05-03 | rnd4 | typeStandard | result1 | ||
| OpponentDlamini, R (Reginald) | OpponentMotseki, B (Bongani) | ||||||||
| 2 | 7 | TournamentEkurhuleni Chess Springs Club Open 2022 | TournamentFreedom Day Tournament 2023 | ||||||
| date2022-09-03 | rnd1 | typeStandard | result0.5 | date2023-04-29 | rnd2 | typeStandard | result1 | ||
| OpponentBarnard, D (Darius) | OpponentMsimanga, T (Tlhalefo) | ||||||||
| 3 | 5 | TournamentFreedom Day Tournament 2023 | Tournament2023 Thomas Lechelele North West Open | ||||||
| date2023-04-29 | rnd4 | typeStandard | result1 | date2023-09-16 | rnd3 | typeStandard | result1 | ||
| OpponentTaele, O (Otumiseng) | OpponentChakandidano, N (Nhamo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentUSSA Chess Championships 2024 | TournamentEast Rand Chess Club Open 2025 | ||||||
| date2024-12-03 | rnd8 | typeStandard | result1 | date2025-05-03 | rnd4 | typeStandard | result1 | ||
| OpponentDlamini, R (Reginald) | OpponentMotseki, B (Bongani) | ||||||||
| 2 | 7 | TournamentEkurhuleni Chess Springs Club Open 2022 | TournamentFreedom Day Tournament 2023 | ||||||
| date2022-09-03 | rnd1 | typeStandard | result0.5 | date2023-04-29 | rnd2 | typeStandard | result1 | ||
| OpponentBarnard, D (Darius) | OpponentMsimanga, T (Tlhalefo) | ||||||||
| 3 | 5 | TournamentFreedom Day Tournament 2023 | Tournament2023 Thomas Lechelele North West Open | ||||||
| date2023-04-29 | rnd4 | typeStandard | result1 | date2023-09-16 | rnd3 | typeStandard | result1 | ||
| OpponentTaele, O (Otumiseng) | OpponentChakandidano, N (Nhamo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChess Power House Festive Rapid 2023 | TournamentChess Power House Festive Rapid 2023 | ||||||
| date2023-12-15 | rnd3 | typeRapid | result1 | date2023-12-15 | rnd5 | typeRapid | result1 | ||
| OpponentNakeng, T (Thomas) | OpponentKitaya, JM (Jonathan Mpumpa) | ||||||||
| 2 | 1 | TournamentChess Power House Festive Rapid 2023 | TournamentChess Power House Festive Rapid 2023 | ||||||
| date2023-12-15 | rnd1 | typeRapid | result1 | date2023-12-15 | rnd1 | typeRapid | result1 | ||
| OpponentMondlani, P (Paulo) | OpponentMondlani, P (Paulo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentNWU Mahikeng Campus Chess Club League Classic Open 2025 | TournamentEast Rand Chess Club Open 2025 | ||||||
| date2025-03-29 | rnd5 | typeStandard | result1 | date2025-05-03 | rnd4 | typeStandard | result1 | ||
| OpponentMagano, K (Kamogelo) | OpponentMotseki, B (Bongani) | ||||||||
| 2 | 5 | TournamentFreedom Day Tournament 2023 | Tournament2023 Thomas Lechelele North West Open | ||||||
| date2023-04-29 | rnd4 | typeStandard | result1 | date2023-09-16 | rnd3 | typeStandard | result1 | ||
| OpponentTaele, O (Otumiseng) | OpponentChakandidano, N (Nhamo) | ||||||||
| 3 | 5 | TournamentEkurhuleni Chess Springs Club Open 2022 | TournamentFreedom Day Tournament 2023 | ||||||
| date2022-09-03 | rnd3 | typeStandard | result1 | date2023-04-29 | rnd2 | typeStandard | result1 | ||
| OpponentMongale, T (Tlhompo) | OpponentMsimanga, T (Tlhalefo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentNWU Mahikeng Campus Chess Club League Classic Open 2025 | TournamentEast Rand Chess Club Open 2025 | ||||||
| date2025-03-29 | rnd5 | typeStandard | result1 | date2025-05-03 | rnd4 | typeStandard | result1 | ||
| OpponentMagano, K (Kamogelo) | OpponentMotseki, B (Bongani) | ||||||||
| 2 | 5 | TournamentFreedom Day Tournament 2023 | Tournament2023 Thomas Lechelele North West Open | ||||||
| date2023-04-29 | rnd4 | typeStandard | result1 | date2023-09-16 | rnd3 | typeStandard | result1 | ||
| OpponentTaele, O (Otumiseng) | OpponentChakandidano, N (Nhamo) | ||||||||
| 3 | 5 | TournamentEkurhuleni Chess Springs Club Open 2022 | TournamentFreedom Day Tournament 2023 | ||||||
| date2022-09-03 | rnd3 | typeStandard | result1 | date2023-04-29 | rnd2 | typeStandard | result1 | ||
| OpponentMongale, T (Tlhompo) | OpponentMsimanga, T (Tlhalefo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChess Power House Festive Rapid 2023 | TournamentChess Power House Festive Rapid 2023 | ||||||
| date2023-12-15 | rnd3 | typeRapid | result1 | date2023-12-15 | rnd5 | typeRapid | result1 | ||
| OpponentNakeng, T (Thomas) | OpponentKitaya, JM (Jonathan Mpumpa) | ||||||||
| 2 | 1 | TournamentChess Power House Festive Rapid 2023 | TournamentChess Power House Festive Rapid 2023 | ||||||
| date2023-12-15 | rnd1 | typeRapid | result1 | date2023-12-15 | rnd1 | typeRapid | result1 | ||
| OpponentMondlani, P (Paulo) | OpponentMondlani, P (Paulo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Magano ,K (Kamogelo) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Khumalo ,R (Rethabile) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.9 | 1412.4 | 1200.3 | 1412.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Lata ,O (Otshepegile) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1408.3 | 983.3 | 1397 | 983.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Lemme ,T (Tumelo) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1432.6 | 1432.6 | 1425.8 | 1432.6 | 0 | 0 | 0 | 0 | ||||||
| 5 | Makhosonke ,KM (Kuhlase Matthiolus) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1652.4 | 1227.4 | 1656 | 1227.4 | 1619 | 1227.4 | 0 | 0 | ||||||
| 6 | Leseyane ,O (Obakeng) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1572.8 | 1147.8 | 1570.3 | 1147.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Dlamini ,R (Reginald) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1327 | 1752 | 1309.7 | 1752 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mavuso ,GT (Godfrey Tshepo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1559.7 | 1984.7 | 1567.9 | 1984.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Thejwane ,I (Innocent) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mongale ,T (Tlhompo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 799.7 | 1224.7 | 806.8 | 1224.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

