PLAYER PAGE
Personal
Viviers, M (Mariané)
Chess SA id
2140307022FIDE id
534006087Date of birth
2014-09-18 (U14)Gender
FemaleRegion
ZF Mgcawu (NZF)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-12-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1338.3 | 1349.5 | 1200 | 1200 |
| Raw rating | 1338.3 | 1349.5 | 1200 | 1200 |
| Weighted rating | 1264.1 | 1268 | 1200 | 1200 |
| Weighted performance | 1303.9 | 1313.5 | 0 | 0 |
| Floor | 838.3 | 849.5 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 136.2 | 134 | 165.8 | 165.8 |
| Highest rating | 1461.32024-07-01 | 1461.62024-07-01 | 12002024-10-01 | 12002024-10-01 |
| Highest raw rating | 1338.32026-01-01 | 1349.52026-01-01 | 12002024-10-01 | 12002024-10-01 |
| Highest weighted rating | 1314.52024-08-01 | 1313.42024-08-01 | 12002024-10-01 | 12002024-10-01 |
| Highest weighted performance | 1461.32024-07-01 | 1461.62024-07-01 | 12002024-10-01 | 12002024-10-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1338.3 | 1349.5 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1338.3 | 1349.5 | 1200 | 1200 |
| Raw rating | 1338.3 | 1349.5 | 1200 | 1200 |
| Weighted rating | 1264.1 | 1268 | 1200 | |
| Weighted performance | 1303.9 | 1313.5 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 838.3 | 849.5 | 700 | 700 |
| Max/Min rating change allowed | 136.2 | 134 | 165.8 | 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 | 1338.3 | 1349.5 | 1200 | 1200 |
| New weighted rating | 1272 | 1276.5 | 1200 | 1200 |
| New weighted performance | 1295.2 | 1304.7 | 0 | 0 |
| Temp new rating | 1338.3 | 1349.5 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1338.3 | 1349.5 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 838.3 | 849.5 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 34 | 34 | 0 | 0 | |
| 21 | 21 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 55 | 55 | 0 | 0 |
| Games since | |||||||||||||||||
| Main55 | Standard55 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | ZF Mgcawu (NZF) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3038 | 77 | 10 | ||||||||||||||
| Female | 601 | 14 | 2 | ||||||||||||||
| U12 | 452 | 13 | 2 | ||||||||||||||
| U12 Female | 126 | 2 | 1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2887 | 100 | 14 | ||||||||||||||
| Female | 547 | 18 | 2 | ||||||||||||||
| U12 | 416 | 15 | 3 | ||||||||||||||
| U12 Female | 108 | 2 | 1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Female | -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 | 34 | 20 | 58.82 | 75 | 1264.8 | 1339.8 |
| Standard | 34 | 20 | 58.82 | 75 | 1264.8 | 1339.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 55 | 27.5 | 50 | 0 | 1267.2 | 1267.2 |
| Standard | 55 | 27.5 | 50 | 0 | 1267.2 | 1267.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1338.3 | 1349.5 | 1200 | 1200 |
| 2025-11-30 | 1323.5 | 1329 | 1200 | 1200 |
| 2025-11-01 | 1305 | 1307.4 | 1200 | 1200 |
| 2025-09-30 | 1305 | 1307.4 | 1200 | 1200 |
| 2025-09-01 | 1305 | 1307.4 | 1200 | 1200 |
| 2025-08-01 | 1314.5 | 1313.4 | 1200 | 1200 |
| 2025-07-01 | 1314.5 | 1313.4 | 1200 | 1200 |
| 2025-06-01 | 1314.5 | 1313.4 | 1200 | 1200 |
| 2025-05-01 | 1214.7 | 1220.8 | 1200 | 1200 |
| 2025-04-01 | 1214.7 | 1220.8 | 1200 | 1200 |
| 2025-03-01 | 1214.7 | 1220.8 | 1200 | 1200 |
| 2025-02-01 | 1194.1 | 1197 | 1200 | 1200 |
| 2025-01-01 | 1142.8 | 1145.6 | 1200 | 1200 |
| 2024-12-01 | 1203.6 | 1211.5 | 1200 | 1200 |
| 2024-11-01 | 1203.6 | 1211.5 | 1200 | 1200 |
| 2024-10-01 | 1203.6 | 1211.5 | 1200 | 1200 |
| 2024-09-01 | 1190.6 | 1193.9 | 1200 | 1200 |
| 2024-11-01 | 1247.8 | 1257.6 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-06-01 | 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 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Mzansi Individual Championships (U12 Girls) | 2025-12-17 | 2025-12-20 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 2 | 2025 Mzansi Inter Provincial Team Championships (U12 Combined) | 2025-12-15 | 2025-12-17 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 3 | 2025 Veltie Royal Chess Tournament | 2025-10-31 | 2025-11-01 | Standard | ZF Mgcawu (NZF) | 5 | 3 | 2.5 | Yes | Analysis |
| 4 | Northern Cape Closed 202 (U12 Girls) | 2025-08-22 | 2025-08-23 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 2.5 | Yes | Analysis |
| 5 | 2025 Simmie Superstars Chess Tournament (U12) | 2025-08-02 | 2025-08-02 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Spartan Bishops Championships Maidens 2025 (U12) | 2025-05-23 | 2025-05-25 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 7 | 2025 ZFM Closed Chess Championship (U12) | 2025-05-09 | 2025-05-10 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Keimoes K & Q Chess Club Open 2025 (U12) | 2025-05-03 | 2025-05-03 | Standard | ZF Mgcawu (NZF) | 6 | 6 | 3 | Yes | Analysis |
| 9 | Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025 (C) | 2025-01-31 | 2025-02-01 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 10 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) | 2024-12-16 | 2024-12-19 | Standard | Capricorn (LCP) | 7 | 7 | 0.5 | Yes | Analysis |
| 11 | 2024 Moja Chess Extravaganza (D) | 2024-09-25 | 2024-09-26 | Standard | Frances Baard (NCF) | 5 | 5 | 2 | Yes | Analysis |
| 12 | 2024 NC Closed Chess Championships (U12 Girls) | 2024-08-23 | 2024-08-25 | Standard | Frances Baard (NCF) | 5 | 4 | 1 | Yes | Analysis |
| 13 | 2024 Duineveld Open Toernooi (U8+U10) | 2024-07-20 | 2024-07-20 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentSpartan Bishops Championships Maidens 2025 | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd1 | typeStandard | result1 | ||
| OpponentLekgetho, R (Resaobaka) | OpponentThirion, C (Charles Nicolass) | ||||||||
| 2 | 2 | TournamentNorthern Cape Closed 202 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-23 | rnd4 | typeStandard | result1 | date2025-08-23 | rnd5 | typeStandard | result0.5 | ||
| OpponentStevens, L (Loverusca) | OpponentNieuwoudt, W (Wilmie) | ||||||||
| 3 | 2 | Tournament2025 Simmie Superstars Chess Tournament | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-08-02 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd5 | typeStandard | result1 | ||
| OpponentVan Wyk, Z (Zac) | OpponentFarner, D (Danille) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentSpartan Bishops Championships Maidens 2025 | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd1 | typeStandard | result1 | ||
| OpponentLekgetho, R (Resaobaka) | OpponentThirion, C (Charles Nicolass) | ||||||||
| 2 | 2 | TournamentNorthern Cape Closed 202 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-23 | rnd4 | typeStandard | result1 | date2025-08-23 | rnd5 | typeStandard | result0.5 | ||
| OpponentStevens, L (Loverusca) | OpponentNieuwoudt, W (Wilmie) | ||||||||
| 3 | 2 | Tournament2025 Simmie Superstars Chess Tournament | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-08-02 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd5 | typeStandard | result1 | ||
| OpponentVan Wyk, Z (Zac) | OpponentFarner, D (Danille) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentSpartan Bishops Championships Maidens 2025 | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd1 | typeStandard | result1 | ||
| OpponentLekgetho, R (Resaobaka) | OpponentThirion, C (Charles Nicolass) | ||||||||
| 2 | 2 | Tournament2025 Simmie Superstars Chess Tournament | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-08-02 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd5 | typeStandard | result1 | ||
| OpponentVan Wyk, Z (Zac) | OpponentFarner, D (Danille) | ||||||||
| 3 | 2 | Tournament2025 ZFM Closed Chess Championship | Tournament2025 ZFM Closed Chess Championship | ||||||
| date2025-05-10 | rnd3 | typeStandard | result1 | date2025-05-10 | rnd4 | typeStandard | result1 | ||
| OpponentPieters, Z (Zoë-Jessie) | OpponentKotze, A (Ashferd) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentSpartan Bishops Championships Maidens 2025 | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd1 | typeStandard | result1 | ||
| OpponentLekgetho, R (Resaobaka) | OpponentThirion, C (Charles Nicolass) | ||||||||
| 2 | 2 | Tournament2025 Simmie Superstars Chess Tournament | Tournament2025 Simmie Superstars Chess Tournament | ||||||
| date2025-08-02 | rnd4 | typeStandard | result1 | date2025-08-02 | rnd5 | typeStandard | result1 | ||
| OpponentVan Wyk, Z (Zac) | OpponentFarner, D (Danille) | ||||||||
| 3 | 2 | Tournament2025 ZFM Closed Chess Championship | Tournament2025 ZFM Closed Chess Championship | ||||||
| date2025-05-10 | rnd3 | typeStandard | result1 | date2025-05-10 | rnd4 | typeStandard | result1 | ||
| OpponentPieters, Z (Zoë-Jessie) | OpponentKotze, A (Ashferd) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | 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 | Fourie ,RH (Rosa Hermiena) | 6 | 0 | -425 | 6 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1377.6 | 952.6 | 1383.9 | 952.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Pieters ,Z (Zoë-Jessie) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1211.6 | 1211.6 | 1216.2 | 1211.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Heever ,R (Raymond) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1216.3 | 791.3 | 1221.2 | 791.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van Zyl ,J (Johanna) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1111 | 686 | 1103.1 | 686 | 0 | 0 | 0 | 0 | ||||||
| 5 | Radha ,YA (Yugesh Aarumugam) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1535.6 | 1110.6 | 1525.2 | 1110.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Nieuwoudt ,W (Wilmie) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1190.9 | 1403.4 | 1189.1 | 1403.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Engelbrecht ,K (Karo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1185.3 | 1610.3 | 1183.9 | 1610.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Van Eden ,M (Marion) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Meyer ,L (Lumen Lee) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Van Der Westhuizen ,L (Linli) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1408.1 | 983.1 | 1405.4 | 983.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|