PLAYER PAGE
Personal
Grieb, N (Nathan)
Chess SA id
1160300091FIDE id
?Date of birth
2016-08-16 (U10)Gender
MaleRegion
Overberg (WOS)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-18Personal details last changed
1900-01-01Junior GPX Games
34Junior GPX Points
1172.6| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| Raw rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| Weighted rating | 1252.4 | 1256.1 | 1213.4 | 1200 |
| Weighted performance | 1307.6 | 1322.9 | 1153.3 | 0 |
| Floor | 812.4 | 825.4 | 724.9 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 142 | 138.7 | 160 | 165.8 |
| Highest rating | 1334.42025-09-30 | 1338.12025-09-30 | 1271.42024-03-01 | 12002024-04-01 |
| Highest raw rating | 1312.42025-09-30 | 1325.42025-09-30 | 1224.92025-11-01 | 12002024-04-01 |
| Highest weighted rating | 1252.42025-11-01 | 1248.62025-09-30 | 1214.82024-10-01 | 12002024-04-01 |
| Highest weighted performance | 1334.42025-09-30 | 1338.12025-09-30 | 1271.42024-03-01 | 12002024-04-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| Analysis | ||||
| Rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| Raw rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| Weighted rating | 1252.4 | 1256.1 | 1213.4 | |
| Weighted performance | 1307.6 | 1322.9 | 1153.3 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 812.4 | 825.4 | 724.9 | 700 |
| Max/Min rating change allowed | 142 | 138.7 | 160 | 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 | 1308.7 | 1325.4 | 1224.9 | 1200 |
| New weighted rating | 1258.2 | 1263.2 | 1214.4 | 1200 |
| New weighted performance | 1299.8 | 1314.8 | 1146 | 0 |
| Temp new rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1308.7 | 1325.4 | 1224.9 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 812.4 | 825.4 | 724.9 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 46 | 22 | 24 | 0 | |
| 21 | 16 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 67 | 38 | 29 | 0 |
| Games since | |||||||||||||||||
| Main67 | Standard38 | Rapid29 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U10 | ||||||||||||||||
| Region | Overberg (WOS) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3190 | 1044 | 81 | ||||||||||||||
| Male | 2496 | 774 | 54 | ||||||||||||||
| U10 | 266 | 82 | 15 | ||||||||||||||
| U10 Male | 213 | 58 | 12 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2931 | 836 | 47 | ||||||||||||||
| Male | 2333 | 625 | 32 | ||||||||||||||
| U10 | 242 | 63 | 7 | ||||||||||||||
| U10 Male | 197 | 47 | 6 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | 1510 | 742 | 101 | ||||||||||||||
| Male | 1179 | 568 | 65 | ||||||||||||||
| U10 | 147 | 77 | 21 | ||||||||||||||
| U10 Male | 111 | 59 | 17 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 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 | 46 | 25.5 | 55.43 | 46.2 | 1250.9 | 1297.1 |
| Standard | 22 | 13.5 | 61.36 | 96.6 | 1272.5 | 1369.1 |
| Rapid | 24 | 12 | 50 | 0 | 1231.2 | 1231.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 67 | 37 | 55.22 | 44.4 | 1243.1 | 1287.5 |
| Standard | 38 | 22 | 57.89 | 67.1 | 1256.4 | 1323.5 |
| Rapid | 29 | 15 | 51.72 | 14.7 | 1225.7 | 1240.4 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1308.7 | 1325.4 | 1224.9 | 1200 |
| 2025-09-30 | 1312.4 | 1325.4 | 1211.9 | 1200 |
| 2025-09-01 | 1301 | 1314.3 | 1211.9 | 1200 |
| 2025-08-01 | 1247.4 | 1249.5 | 1211.9 | 1200 |
| 2025-07-01 | 1247.4 | 1249.5 | 1211.7 | 1200 |
| 2025-06-01 | 1247.4 | 1249.5 | 1211.4 | 1200 |
| 2025-05-01 | 1243.6 | 1252.5 | 1211.2 | 1200 |
| 2025-04-01 | 1243.6 | 1252.5 | 1210.9 | 1200 |
| 2025-03-01 | 1225.6 | 1241.1 | 1210.6 | 1200 |
| 2025-02-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2025-01-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2024-12-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2024-11-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2024-10-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2024-09-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2024-08-01 | 1242.8 | 1241.1 | 1214.8 | 1200 |
| 2024-07-01 | 1182.1 | 1161.2 | 1214.8 | 1200 |
| 2024-09-01 | 1182.1 | 1161.2 | 1214.8 | 1200 |
| 2024-05-01 | 1219.4 | 1207.6 | 1214.8 | 1200 |
| 2024-04-01 | 1219.4 | 1207.6 | 1214.8 | 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 | Curro Hermanus Spring Open 2025 (U9) | 2025-10-18 | 2025-10-18 | Rapid | Overberg (WOS) | 6 | 6 | 3 | Yes | Analysis |
| 2 | Western Cape Schools - Top Schools 2025 (U9) | 2025-09-06 | 2025-09-07 | Standard | Overberg (WOS) | 6 | 6 | 3.5 | Yes | Analysis |
| 3 | Overberg Top Schools 2025 (U7+U9) | 2025-08-02 | 2025-08-02 | Standard | Overberg (WOS) | 5 | 5 | 4.5 | Yes | Analysis |
| 4 | Western Cape Schools Individual Championship 2025 (U9 Boys) | 2025-05-17 | 2025-05-18 | Standard | Cape Winelands (WCW) | 6 | 6 | 2.5 | Yes | Analysis |
| 5 | Overberg Schools - PS Closed 2025 (U9 Boys) | 2025-03-08 | 2025-03-08 | Standard | Overberg (WOS) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys) | 2025-02-22 | 2025-02-22 | Rapid | Overberg (WOS) | 6 | 6 | 3.5 | Yes | Analysis |
| 7 | Laerskool Welgemoed Rapid 2025 (U10) | 2025-02-15 | 2025-02-15 | Rapid | Cape Town (WCT) | 6 | 6 | 2.5 | Yes | Analysis |
| 8 | Curro Hermanus Summer Open 2025 (U9) | 2025-02-08 | 2025-02-08 | Rapid | Overberg (WOS) | 6 | 6 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Curro Hermanus Spring Open 2025 (U9) | 2025-10-18 | 2025-10-18 | Rapid | Overberg (WOS) | 6 | 6 | 3 | Yes | Analysis |
| 2 | Western Cape Schools - Top Schools 2025 (U9) | 2025-09-06 | 2025-09-07 | Standard | Overberg (WOS) | 6 | 6 | 3.5 | Yes | Analysis |
| 3 | Overberg Top Schools 2025 (U7+U9) | 2025-08-02 | 2025-08-02 | Standard | Overberg (WOS) | 5 | 5 | 4.5 | Yes | Analysis |
| 4 | Western Cape Schools Individual Championship 2025 (U9 Boys) | 2025-05-17 | 2025-05-18 | Standard | Cape Winelands (WCW) | 6 | 6 | 2.5 | Yes | Analysis |
| 5 | Overberg Schools - PS Closed 2025 (U9 Boys) | 2025-03-08 | 2025-03-08 | Standard | Overberg (WOS) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys) | 2025-02-22 | 2025-02-22 | Rapid | Overberg (WOS) | 6 | 6 | 3.5 | Yes | Analysis |
| 7 | Laerskool Welgemoed Rapid 2025 (U10) | 2025-02-15 | 2025-02-15 | Rapid | Cape Town (WCT) | 6 | 6 | 2.5 | Yes | Analysis |
| 8 | Curro Hermanus Summer Open 2025 (U9) | 2025-02-08 | 2025-02-08 | Rapid | Overberg (WOS) | 6 | 6 | 3 | Yes | Analysis |
| 9 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | 2024-07-27 | 2024-07-27 | Standard | Overberg (WOS) | 5 | 5 | 4.5 | Yes | Analysis |
| 10 | Western Cape PS Individuals Championship 2024 (U9 Boys) | 2024-05-04 | 2024-05-05 | Standard | West Coast (WCU) | 6 | 6 | 1.5 | Yes | Analysis |
| 11 | Overberg Schools - PS Closed 2024 (U9 Boys) | 2024-03-16 | 2024-03-16 | Standard | Overberg (WOS) | 5 | 5 | 2.5 | Yes | Analysis |
| 12 | Overberg Schools - PS Trials Region 3 2024 (U9 Boys) | 2024-03-02 | 2024-03-02 | Rapid | Overberg (WOS) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentWestern Cape PS Individuals Championship 2024 | TournamentCurro Hermanus Summer Open 2025 | ||||||
| date2024-05-05 | rnd5 | typeStandard | result0.5 | date2025-02-08 | rnd2 | typeRapid | result1 | ||
| OpponentMarner, L (Loannes) | OpponentVan Rensburg, A (Aubrielle) | ||||||||
| 2 | 7 | TournamentWestern Cape Schools Individual Championship 2025 | TournamentWestern Cape Schools - Top Schools 2025 | ||||||
| date2025-05-18 | rnd6 | typeStandard | result0.5 | date2025-09-06 | rnd1 | typeStandard | result1 | ||
| OpponentEdons, M (Mihandro) | OpponentAbrahams, A (Anchalee) | ||||||||
| 3 | 3 | TournamentWestern Cape Schools - Top Schools 2025 | TournamentWestern Cape Schools - Top Schools 2025 | ||||||
| date2025-09-06 | rnd3 | typeStandard | result1 | date2025-09-07 | rnd5 | typeStandard | result0.5 | ||
| OpponentOverbosch, O (Oliver) | OpponentLawa, V (Veretariki) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentWestern Cape Schools Individual Championship 2025 | TournamentWestern Cape Schools - Top Schools 2025 | ||||||
| date2025-05-18 | rnd6 | typeStandard | result0.5 | date2025-09-06 | rnd1 | typeStandard | result1 | ||
| OpponentEdons, M (Mihandro) | OpponentAbrahams, A (Anchalee) | ||||||||
| 2 | 7 | TournamentWestern Cape PS Individuals Championship 2024 | TournamentOverberg Schools - Top Schools 2024 | ||||||
| date2024-05-05 | rnd5 | typeStandard | result0.5 | date2024-07-27 | rnd5 | typeStandard | result1 | ||
| OpponentMarner, L (Loannes) | OpponentEllis, A (Alexander) | ||||||||
| 3 | 3 | TournamentWestern Cape Schools - Top Schools 2025 | TournamentWestern Cape Schools - Top Schools 2025 | ||||||
| date2025-09-06 | rnd3 | typeStandard | result1 | date2025-09-07 | rnd5 | typeStandard | result0.5 | ||
| OpponentOverbosch, O (Oliver) | OpponentLawa, V (Veretariki) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentOverberg Schools - PS Trials (Region 1) 2025 | TournamentOverberg Schools - PS Trials (Region 1) 2025 | ||||||
| date2025-02-22 | rnd4 | typeRapid | result1 | date2025-02-22 | rnd6 | typeRapid | result0.5 | ||
| OpponentSander, M (Malakai) | OpponentBarnard, H (Hendrik) | ||||||||
| 2 | 3 | TournamentLaerskool Welgemoed Rapid 2025 | TournamentLaerskool Welgemoed Rapid 2025 | ||||||
| date2025-02-15 | rnd3 | typeRapid | result1 | date2025-02-15 | rnd5 | typeRapid | result1 | ||
| OpponentStone, T (Tylor) | OpponentWeyers, F (Friedrich) | ||||||||
| 3 | 3 | TournamentOverberg Schools - PS Trials Region 3 2024 | TournamentCurro Hermanus Summer Open 2025 | ||||||
| date2024-03-02 | rnd5 | typeRapid | result1 | date2025-02-08 | rnd2 | typeRapid | result1 | ||
| OpponentOtto, X (Xavier) | OpponentVan Rensburg, A (Aubrielle) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentOverberg Schools - Top Schools 2024 | TournamentCurro Hermanus Summer Open 2025 | ||||||
| date2024-07-27 | rnd2 | typeStandard | result1 | date2025-02-08 | rnd2 | typeRapid | result1 | ||
| OpponentSolomons, G (Gia) | OpponentVan Rensburg, A (Aubrielle) | ||||||||
| 2 | 5 | TournamentOverberg Top Schools 2025 | TournamentWestern Cape Schools - Top Schools 2025 | ||||||
| date2025-08-02 | rnd2 | typeStandard | result1 | date2025-09-06 | rnd1 | typeStandard | result1 | ||
| OpponentAvenant, J (Jone) | OpponentAbrahams, A (Anchalee) | ||||||||
| 3 | 3 | TournamentOverberg Schools - PS Closed 2025 | TournamentOverberg Schools - PS Closed 2025 | ||||||
| date2025-03-08 | rnd3 | typeStandard | result1 | date2025-03-08 | rnd5 | typeStandard | result1 | ||
| OpponentNyikayaramba, D (Darrel) | OpponentHayes, M (Micah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentOverberg Top Schools 2025 | TournamentWestern Cape Schools - Top Schools 2025 | ||||||
| date2025-08-02 | rnd2 | typeStandard | result1 | date2025-09-06 | rnd1 | typeStandard | result1 | ||
| OpponentAvenant, J (Jone) | OpponentAbrahams, A (Anchalee) | ||||||||
| 2 | 4 | TournamentOverberg Schools - Top Schools 2024 | TournamentOverberg Schools - Top Schools 2024 | ||||||
| date2024-07-27 | rnd2 | typeStandard | result1 | date2024-07-27 | rnd5 | typeStandard | result1 | ||
| OpponentSolomons, G (Gia) | OpponentEllis, A (Alexander) | ||||||||
| 3 | 3 | TournamentOverberg Schools - PS Closed 2025 | TournamentOverberg Schools - PS Closed 2025 | ||||||
| date2025-03-08 | rnd3 | typeStandard | result1 | date2025-03-08 | rnd5 | typeStandard | result1 | ||
| OpponentNyikayaramba, D (Darrel) | OpponentHayes, M (Micah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentOverberg Schools - PS Trials Region 3 2024 | TournamentCurro Hermanus Summer Open 2025 | ||||||
| date2024-03-02 | rnd5 | typeRapid | result1 | date2025-02-08 | rnd2 | typeRapid | result1 | ||
| OpponentOtto, X (Xavier) | OpponentVan Rensburg, A (Aubrielle) | ||||||||
| 2 | 2 | TournamentOverberg Schools - PS Trials (Region 1) 2025 | TournamentOverberg Schools - PS Trials (Region 1) 2025 | ||||||
| date2025-02-22 | rnd4 | typeRapid | result1 | date2025-02-22 | rnd5 | typeRapid | result1 | ||
| OpponentSander, M (Malakai) | OpponentFourie, C (Cj) | ||||||||
| 3 | 2 | TournamentOverberg Schools - PS Trials Region 3 2024 | TournamentOverberg Schools - PS Trials Region 3 2024 | ||||||
| date2024-03-02 | rnd1 | typeRapid | result1 | date2024-03-02 | rnd2 | typeRapid | result1 | ||
| OpponentGrobbelaar, M (Marlo) | OpponentKrynauw, O (Odin) | ||||||||
| # | 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 | Grobbelaar ,M (Marlo) | 4 | 1 | -212.5 | 2 | 0 | -425 | 2 | 1 | 0 | 0 | 0 | 0 |
| 1208.7 | 996.2 | 1216 | 783.7 | 1204.1 | 1208.7 | 0 | 0 | ||||||
| 2 | Avenant ,J (Jone) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1212.9 | 1637.9 | 1230.1 | 1637.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Fourie ,D (David) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1231.7 | 1019.2 | 1228.2 | 1019.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Beyers ,T (Tatum) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1183.9 | 1608.9 | 1177.7 | 1608.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Badenhorst ,R (Rouxan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1473.4 | 1048.4 | 1366.7 | 1048.4 | 0 | 0 | 0 | 0 | ||||||
| 6 | Faasen ,C (Charles) | 2 | 0.5 | -212.5 | 1 | 0.5 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1230 | 1017.5 | 1251.8 | 1230 | 1199.7 | 805 | 0 | 0 | ||||||
| 7 | Otto ,X (Xavier) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1179.8 | 1604.8 | 1158.1 | 1604.8 | 1209.2 | 1604.8 | 0 | 0 | ||||||
| 8 | Ellis ,A (Alexander) | 2 | 1 | 0 | 1 | 1 | 425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1215.8 | 1215.8 | 1200 | 1640.8 | 1280.5 | 790.8 | 0 | 0 | ||||||
| 9 | Coetzer ,R (Rossouw) | 2 | 0 | -425 | 0 | 0 | 0 | 2 | 0 | -425 | 0 | 0 | 0 |
| 1377.1 | 952.1 | 0 | 0 | 1330 | 952.1 | 0 | 0 | ||||||
| 10 | Fourie ,C (Cj) | 2 | 2 | 425 | 0 | 0 | 0 | 2 | 2 | 425 | 0 | 0 | 0 |
| 1187.8 | 1612.8 | 0 | 0 | 1217.8 | 1612.8 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

