PLAYER PAGE
Juan Viviers
1150191921Sarah Baartman (ESB)Personal
Main rating
| Rating | 1306.3 |
| K-factor | 32 |
| Floor | 912.9 |
| Highest | 1412.9 (2025-08-01) |
| Min/Max +/- allowed | 122 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1198.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1306.3 |
| K-factor | 32 |
| Floor | 912.9 |
| Highest | 1412.9 (2025-08-01) |
| Min/Max +/- allowed | 122.4 |
Standard rating
| Rating | 1274.9 |
| K-factor | 36 |
| Floor | 855.7 |
| Highest | 1355.7 (2025-08-01) |
| Min/Max +/- allowed | 132.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1160.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1274.9 |
| K-factor | 36 |
| Floor | 855.7 |
| Highest | 1355.7 (2025-08-01) |
| Min/Max +/- allowed | 132.8 |
Rapid rating
| Rating | 1322.1 |
| K-factor | 36 |
| Floor | 825.7 |
| Highest | 1325.7 (2025-07-01) |
| Min/Max +/- allowed | 138.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1237.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1322.1 |
| K-factor | 36 |
| Floor | 825.7 |
| Highest | 1325.7 (2025-07-01) |
| Min/Max +/- allowed | 138.6 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2025 Mzansi Individual Championships (U12 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1351.2 | 6 | 1.5 | 1152.8 | 0 | Details |
| 2 | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Rapid | 2025-09-27 | 2025-09-27 | Sarah Baartman (ESB) | 5 | 1413 | 4 | 2 | 1399.8 | 0 | Details |
| 3 | EC Closed 2025 (U12 Boys) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1413 | 5 | 0.5 | 1068.2 | 0 | Details |
| 4 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) | Standard | 2025-07-11 | 2025-07-12 | Amathole (EAL) | 6 | 1401.2 | 6 | 4 | 1449.3 | 0 | Details |
| 5 | Holiday Fever 2025 (D) | Rapid | 2025-06-25 | 2025-06-25 | Sarah Baartman (ESB) | 11 | 1315.5 | 9 | 8.5 | 1679.9 | 0 | Details |
| 6 | SBDCA Closed 2025 (U12 Boys) | Standard | 2025-05-10 | 2025-05-10 | Sarah Baartman (ESB) | 6 | 1310.2 | 6 | 3 | 1332.8 | 0 | Details |
| 7 | SBD Trials J Bay 19 April 2025 (U12) | Standard | 2025-04-19 | 2025-04-19 | Sarah Baartman (ESB) | 6 | 1279.1 | 6 | 3 | 1298.8 | 0 | Details |
| 8 | Kouga Mayor's Cup Final 2025 (U11) | Standard | 2025-04-12 | 2025-04-12 | Sarah Baartman (ESB) | 6 | 1279.1 | 6 | 3 | 1356.4 | 0 | Details |
| 9 | Kouga Mayor's Cup 2025 (U11) | Standard | 2025-03-08 | 2025-03-08 | Sarah Baartman (ESB) | 6 | 1219.5 | 6 | 4 | 1437.7 | 0 | Details |
| 10 | SBDCU Trials 3 2025 (U12) | Standard | 2025-02-08 | 2025-02-08 | Sarah Baartman (ESB) | 6 | 1215.6 | 6 | 3 | 1258 | 0 | Details |
| 11 | SBDCU Fundraiser 2025 (U11) | Standard | 2025-02-01 | 2025-02-01 | Sarah Baartman (ESB) | 5 | 1215.6 | 5 | 2 | 1180.5 | 0 | Details |
| 12 | 2025 SBDCU Trial 2 JBay (U12) | Standard | 2025-01-25 | 2025-01-25 | Sarah Baartman (ESB) | 5 | 1179.3 | 5 | 3 | 1377.7 | 0 | Details |
| 13 | Aston Bay 2024 (Development) | Rapid | 2024-05-25 | 2024-05-25 | Sarah Baartman (ESB) | 7 | 1187.6 | 6 | 2 | 1122.2 | 0 | Details |
| 14 | Humansdorp CMC Schools Trials 2024 (U9 Boys) | Rapid | 2024-05-10 | 2024-05-10 | Sarah Baartman (ESB) | 6 | 1176.3 | 5 | 3 | 1244.2 | 0 | Details |
| 15 | Stulting Tournament 2024 (Junior) | Rapid | 2024-04-06 | 2024-04-06 | Sarah Baartman (ESB) | 6 | 1196 | 6 | 2 | 1014.9 | 0 | Details |
| 16 | SBDCU Trial 1 2024 (U10) | Standard | 2024-02-24 | 2024-02-24 | Sarah Baartman (ESB) | 6 | 1200 | 5 | 2.5 | 1172.9 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics (History)
| Games | 92 |
| Wins | 45 |
| Draws | 4 |
| Losses | 43 |
| White | 44 |
| Black | 48 |
| White wins | 19 |
| Black wins | 26 |
| Score | 47 |
| Percent | 51.1 |
| Dp | 9.2 |
| AOR | 1289.4 |
| Performance | 1298.6 |
Rankings (Main)
| National | |
| Overall | 5787 |
| Gender | 4800 |
| Age group | 531 |
| Gender/Age | 418 |
| Provincial | |
| Overall | 601 |
| Gender | 508 |
| Age group | 59 |
| Gender/Age | 46 |
| Regional | |
| Overall | 154 |
| Gender | 126 |
| Age group | 22 |
| Gender/Age | 17 |
Rankings (Standard)
| National | |
| Overall | 6195 |
| Gender | 5040 |
| Age group | 612 |
| Gender/Age | 479 |
| Provincial | |
| Overall | 654 |
| Gender | 544 |
| Age group | 65 |
| Gender/Age | 49 |
| Regional | |
| Overall | 161 |
| Gender | 130 |
| Age group | 23 |
| Gender/Age | 18 |
Rankings (Rapid)
| National | |
| Overall | 1611 |
| Gender | 1344 |
| Age group | 182 |
| Gender/Age | 145 |
| Provincial | |
| Overall | 149 |
| Gender | 128 |
| Age group | 17 |
| Gender/Age | 14 |
| Regional | |
| Overall | 54 |
| Gender | 43 |
| Age group | 7 |
| Gender/Age | 5 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 54 |
| Score | 29.5 |
| Percent | 54.6 |
| Aor | 1335.2 |
| Dp | 39.4 |
| Prat | 1374.5 |
Performance (History)
| Games | 92 |
| Score | 47 |
| Percent | 51.1 |
| Aor | 1289.4 |
| Dp | 9.2 |
| Prat | 1298.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Fihlani, I (Imihle) | 6 | 3 | 3 | SBDCU Fundraiser 2025 (U11) | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Details |
| Overall | 2 | Leen, A (Angelo) | 5 | 3 | 2 | SBDCU Fundraiser 2025 (U11) | SBD Trials J Bay 19 April 2025 (U12) | Details |
| Overall | 3 | Bruton, C (Caleb) | 4 | 3 | 1 | 2025 SBDCU Trial 2 JBay (U12) | Kouga Mayor's Cup Final 2025 (U11) | Details |
| Overall | 4 | Ozah, C (Chinedu) | 3 | 1 | 2 | SBDCU Trial 1 2024 (U10) | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Details |
| Overall | 5 | Mfabana, A (Alunamda) | 3 | 1 | 2 | 2025 SBDCU Trial 2 JBay (U12) | EC Closed 2025 (U12 Boys) | Details |
| Standard | 1 | Leen, A (Angelo) | 5 | 3 | 2 | SBDCU Fundraiser 2025 (U11) | SBD Trials J Bay 19 April 2025 (U12) | Details |
| Standard | 2 | Bruton, C (Caleb) | 4 | 3 | 1 | 2025 SBDCU Trial 2 JBay (U12) | Kouga Mayor's Cup Final 2025 (U11) | Details |
| Standard | 3 | Fihlani, I (Imihle) | 4 | 2 | 2 | SBDCU Fundraiser 2025 (U11) | EC Closed 2025 (U12 Boys) | Details |
| Standard | 4 | Potgieter, C (Chanio Cloe) | 3 | 2 | 1 | 2025 SBDCU Trial 2 JBay (U12) | SBD Trials J Bay 19 April 2025 (U12) | Details |
| Standard | 5 | Louis, K (Keanu) | 3 | 2 | 1 | SBDCU Trials 3 2025 (U12) | SBD Trials J Bay 19 April 2025 (U12) | Details |
| Rapid | 1 | Ludidi, A (Ayolise) | 2 | 0 | 2 | Holiday Fever 2025 (D) | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Details |
| Rapid | 2 | Fihlani, I (Imihle) | 2 | 1 | 1 | Holiday Fever 2025 (D) | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Details |
| Rapid | 3 | Ozah, C (Chinedu) | 2 | 0 | 2 | Holiday Fever 2025 (D) | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Details |
| Rapid | 4 | Swart, W (Waldemar) | 2 | 1 | 1 | Aston Bay 2024 (Development) | SBDCA Beginners Tournament 2025 (Grade 4 and under) | Details |
| Rapid | 5 | Prinsloo, D (Dawid) | 2 | 1 | 1 | Humansdorp CMC Schools Trials 2024 (U9 Boys) | Aston Bay 2024 (Development) | Details |