PLAYER PAGE
Personal
Muchayi, V (Vieny)
Chess SA id
1100312239FIDE id
?Date of birth
2010-03-25 (U16)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-30Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| Raw rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| Weighted rating | 1199.4 | 1203.1 | 1195.7 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 730.9 | 738.9 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 158.7 | 156.9 | 166.7 | 165.8 |
| Highest rating | 1230.92025-11-01 | 1238.92025-11-01 | 12002024-10-01 | 12002024-10-01 |
| Highest raw rating | 1230.92025-11-01 | 1238.92025-11-01 | 12002024-10-01 | 12002024-10-01 |
| Highest weighted rating | 12002024-10-01 | 1203.12025-11-01 | 12002024-10-01 | 12002024-10-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-10-01 | 12002024-12-01 | 12002024-10-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| Analysis | ||||
| Rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| Raw rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| Weighted rating | 1199.4 | 1203.1 | 1195.7 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 730.9 | 738.9 | 700 | 700 |
| Max/Min rating change allowed | 158.7 | 156.9 | 166.7 | 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 | 1230.9 | 1238.9 | 1196.3 | 1200 |
| New weighted rating | 1201.9 | 1206.1 | 1195.7 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1230.9 | 1238.9 | 1196.3 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 730.9 | 738.9 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 9 | 4 | 5 | 0 |
| Games since | |||||||||||||||||
| Main9 | Standard4 | Rapid5 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 4 | 3 | 75 | 212.5 | 1224 | 1436.5 |
| Standard | 4 | 3 | 75 | 212.5 | 1224 | 1436.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 9 | 5 | 55.56 | 47.2 | 1215 | 1262.3 |
| Standard | 4 | 3 | 75 | 212.5 | 1224 | 1436.5 |
| Rapid | 5 | 2 | 40 | -85 | 1207.9 | 1122.9 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1230.9 | 1238.9 | 1196.3 | 1200 |
| 2025-09-30 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-09-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-08-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-07-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-06-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-05-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-04-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-03-01 | 1197.1 | 1200 | 1196.3 | 1200 |
| 2025-02-01 | 1196.7 | 1200 | 1195.7 | 1200 |
| 2025-01-01 | 1188.9 | 1200 | 1185.6 | 1200 |
| 2024-12-01 | 1188.9 | 1200 | 1185.6 | 1200 |
| 2024-11-01 | 1188.9 | 1200 | 1185.6 | 1200 |
| 2024-10-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 1200 | 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 | 2025 Gauteng Top Schools Teams (U15) | 2025-08-30 | 2025-08-30 | Standard | Tshwane (GTP) | 5 | 4 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U15) | 2025-08-30 | 2025-08-30 | Standard | Tshwane (GTP) | 5 | 4 | 3 | Yes | Analysis |
| 2 | Gauteng Top Schools 2024 (U15 Open) | 2024-10-05 | 2024-10-05 | Rapid | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2025 Gauteng Top Schools Teams | Tournament2025 Gauteng Top Schools Teams | ||||||
| date2025-08-30 | rnd3 | typeStandard | result1 | date2025-08-30 | rnd5 | typeStandard | result1 | ||
| OpponentMokoena, K (Khumo) | OpponentVermaak, L (Louis Jacobus) | ||||||||
| 2 | 2 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-05 | rnd3 | typeRapid | result1 | date2024-10-05 | rnd4 | typeRapid | result1 | ||
| OpponentMothudi, K (Kgotso Bokao) | OpponentMakgato, M (Mzwandile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-05 | rnd3 | typeRapid | result1 | date2024-10-05 | rnd4 | typeRapid | result1 | ||
| OpponentMothudi, K (Kgotso Bokao) | OpponentMakgato, M (Mzwandile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-05 | rnd3 | typeRapid | result1 | date2024-10-05 | rnd4 | typeRapid | result1 | ||
| OpponentMothudi, K (Kgotso Bokao) | OpponentMakgato, M (Mzwandile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-05 | rnd3 | typeRapid | result1 | date2024-10-05 | rnd4 | typeRapid | result1 | ||
| OpponentMothudi, K (Kgotso Bokao) | OpponentMakgato, M (Mzwandile) | ||||||||
| # | 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 | Vermaak ,L (Louis Jacobus) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1313.3 | 1738.3 | 1293.6 | 1738.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Nyathi ,N (Ncedile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mokoena ,K (Khumo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1160.7 | 1585.7 | 1153.3 | 1585.7 | 0 | 0 | 0 | 0 | ||||||
| 4 | Sibanda ,T (Tshepang) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1221.9 | 796.9 | 1225.8 | 796.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Ugburo ,B (Bemigho) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1241.2 | 816.2 | 0 | 0 | 1283.1 | 816.2 | 0 | 0 | ||||||
| 6 | Williams ,L (Latrell) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 7 | Makgato ,M (Mzwandile) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1261.9 | 1686.9 | 0 | 0 | 1200 | 1686.9 | 0 | 0 | ||||||
| 8 | Moticoe ,D (Ditiro) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1199.4 | 774.4 | 0 | 0 | 1200 | 774.4 | 0 | 0 | ||||||
| 9 | Mothudi ,K (Kgotso Bokao) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1136.9 | 1561.9 | 0 | 0 | 1200 | 1561.9 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|