Muški šampionat SAD
Na muškom šampionatu su učestvovali svi najjači igrači sa američke rejting liste osim Nakamure koji je objasnio svoje odsustvo željom da se kompletno fokusira na FIDE Grand Swiss koji će se krajem mjeseca odigrati u Rigi.
Posle 11. kola prvo mjesto sa 6,5 poena dijele Caruana, Wesley So i Samuel Sevian i prema pravilniku treba da odigraju danas doigravanje.
| Round 11 (October 18, 2021) | ||||||
| Caruana, Fabiano | – Shankland, Sam | ½-½ | 66 | E06 | Catalan | |
| So, Wesley | – Robson, Ray | ½-½ | 26 | E36 | Nimzo Indian 4.Qc2 | |
| Dominguez Perez, Leinier | – Swiercz, Dariusz | ½-½ | 64 | B33 | Sicilian Sveshnikov | |
| Burke, John M | – Xiong, Jeffery | 1-0 | 25 | C50 | Giuoco Piano | |
| Naroditsky, Daniel | – Sevian, Samuel | ½-½ | 13 | C54 | Giuoco Piano | |
| Bruzon Batista, Lazaro | – Lenderman, Aleksandr | ½-½ | 127 | A05 | Various |
| 1. | Caruana, Fabiano | g | USA | 2800 | 6½ |
| 2. | So, Wesley | g | USA | 2778 | 6½ |
| 3. | Sevian, Samuel | g | USA | 2654 | 6½ |
| 4. | Dominguez Perez, Leinier | g | USA | 2760 | 6 |
| 5. | Lenderman, Aleksandr | g | USA | 2607 | 6 |
| 6. | Robson, Ray | g | USA | 2669 | 6 |
| 7. | Shankland, Sam | g | USA | 2714 | 5½ |
| 8. | Burke, John M | g | USA | 2554 | 5 |
| 9. | Swiercz, Dariusz | g | USA | 2647 | 5 |
| 10. | Naroditsky, Daniel | g | USA | 2623 | 4½ |
| 11. | Xiong, Jeffery | g | USA | 2700 | 4½ |
| 12. | Bruzon Batista, Lazaro | g | USA | 2645 | 4 |
Burke,John M (2554) – Xiong,Jeffery (2700) [C50]
ch-USA 2021 Saint Louis USA (11.6), 18.10.2021
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0–0 Nf6 5.d3 d6 6.c3 h6 7.Re1 0–0 8.h3 a5 9.d4 Ba7 10.Bb3 Re8 11.Bc2 Bd7 12.a4 Qc8 13.Be3 exd4 14.Bxd4 Nxd4 15.cxd4 c5
16.e5 Nd5 17.Qd3 g6 18.Bb3 Nf4 19.Qe4 Ne6 20.Qh4 c4
21.Nc3 dxe5 22.Qxh6 Bc6 23.d5 cxb3
24.Ne4 Qd8 25.dxe6
1–0
Ženski šampionat SAD
| Round 11 (October 18, 2021) | ||||||
| Yip, Carissa | – Nemcova, Katerina | ½-½ | 52 | B60 | Sicilian Rauzer | |
| Tokhirjonova, Gulrukhbegim | – Cervantes Landeiro, Thalia | ½-½ | 74 | A20 | English Opening | |
| Krush, Irina | – Abrahamyan, Tatev | 0-1 | 46 | A13 | Reti Opening | |
| Zatonskih, Anna | – Paikidze, Nazi | ½-½ | 14 | D37 | QGD 5.Bf4 | |
| Lee, Megan | – Sharevich, Anna | ½-½ | 46 | B42 | Sicilian Paulsen | |
| Foisor, Sabina-Francesca | – Eswaran, Ashritha | 0-1 | 39 | D45 | Anti-Meran Variations |
| 1. | Yip, Carissa | m | USA | 2402 | 8½ |
| 2. | Tokhirjonova, Gulrukhbegim | wg | USA | 2322 | 7 |
| 3. | Krush, Irina | g | USA | 2429 | 6½ |
| 4. | Abrahamyan, Tatev | wg | USA | 2344 | 6 |
| 5. | Nemcova, Katerina | wg | USA | 2331 | 6 |
| 6. | Eswaran, Ashritha | wm | USA | 2244 | 6 |
| 7. | Cervantes Landeiro, Thalia | f | USA | 2175 | 5 |
| 8. | Paikidze, Nazi | m | USA | 2374 | 4½ |
| 9. | Zatonskih, Anna | m | USA | 2422 | 4½ |
| 10. | Lee, Megan | wm | USA | 2211 | 4 |
| 11. | Sharevich, Anna | wg | USA | 2276 | 4 |
| 12. | Foisor, Sabina-Francesca | wg | USA | 2205 | 4 |
Foisor,Sabina-Francesca (2205) – Eswaran,Ashritha (2244) [D45]
ch-USA w 2021 Saint Louis USA (11.3), 18.10.2021
1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 Nf6 5.e3 Nbd7 6.Qc2 Bd6 7.b3 0–0 8.Bb2 e5 9.cxd5 cxd5 10.dxe5 Nxe5 11.Be2 Bg4 12.Nxe5 Bxe5 13.Bxg4 Nxg4 14.h3
14…Qh4 15.0–0 Rac8 16.Qf5 Bxc3 17.Bxc3
17…Nxe3 18.fxe3 Rxc3 19.Qxd5 Qe7 20.e4 Rc5 21.Qd4 Rd8 22.Qf2 Re5 23.Qxa7 Rxe4 24.Rad1 Re8 25.Rd2 h6 26.Qf2 Rc8 27.Rfd1 Qg5 28.Rd5
28…Rc1 29.Rxg5 Rxd1+ 30.Kh2 hxg5 31.Qc2 Ree1 32.Qc8+ Kh7 33.Qxb7 f5 34.Kg3 Re2 35.Qf3
35…Re3 36.Qxe3 f4+ 37.Qxf4 gxf4+ 38.Kxf4 Ra1 39.a4 Rb1 0–1
Krush,Irina (2429) – Abrahamyan,Tatev (2344) [A13]
ch-USA w 2021 Saint Louis USA (11.5), 18.10.2021
1.c4 e6 2.Nc3 Bb4 3.Qb3 Ba5 4.Nf3 c5 5.g3 Nc6 6.Bg2 Nf6 7.0–0 0–0 8.d3 d6 9.h3 h6 10.e4 Bd7 11.Be3 e5 12.Qd1 a6 13.Nd2 Rb8 14.f4 exf4 15.gxf4 b5 16.Kh2 Nh7 17.Nd5 f5 18.b3 Re8 19.Rg1 Nb4 20.Nf1 bxc4 21.dxc4 fxe4 22.Nxb4 Bxb4 23.Ng3 Nf6 24.Nxe4 Nxe4 25.Bxe4 Qf6 26.Qf3 Bf5 27.Bxf5 Qxf5 28.Rad1 Re6 29.Bc1 Rbe8 30.Rg2 R8e7 31.Bb2 Re3 32.Qd5+ Qxd5 33.Rxd5 Re2 34.Bc1 Rxg2+ 35.Kxg2
35…Re1 36.Rxd6 a5 37.a3 Bc3 38.Rc6 Rxc1 39.Rxc5 Ra1 40.Rb5 Ra2+ 41.Kf3 Rxa3 42.c5 Bb4 43.c6 Rxb3+ 44.Ke4 Rc3 45.Kd5 Kf7 46.Rb7+ Be7
0–1