Saint Louis, 4-18.10.2023.
Posle velike greške GM Hansa Niemanna u partiji protiv Raya Robsona, GM Fabiano Caruana je remizirao sa Shanklandom i ostao u vođstvu na šampionatu Amerike. Caruana sada ima 5,5 poena, dok su pun poen iza četvorica igrača.

| Rezultati 8.kola (13.10.2023) | ||||||
|---|---|---|---|---|---|---|
| Caruana, Fabiano | – Shankland, Sam | ½-½ | 40 | C50 | Giuoco Piano | |
| Mishra, Abhimanyu | – Sevian, Samuel | 1-0 | 85 | E15 | Queens Indian | |
| Robson, Ray | – Niemann, Hans Moke | 1-0 | 36 | C88 | Ruy Lopez Closed | |
| Aronian, Levon | – Swiercz, Dariusz | ½-½ | 26 | C84 | Ruy Lopez Centre Attack | |
| Xiong, Jeffery | – Dominguez Perez, Leinier | ½-½ | 32 | C67 | Ruy Lopez Berlin | |
| Tang, Andrew | – So, Wesley | ½-½ | 80 | D02 | Queen’s Pawn Game | |
Stanje posle 8.kola
| 1. | Caruana, Fabiano | g | USA | 2786 | 5½ |
| 2. | Dominguez Perez, Leinier | g | USA | 2745 | 4½ |
| 3. | So, Wesley | g | USA | 2753 | 4½ |
| 4. | Niemann, Hans Moke | g | USA | 2667 | 4½ |
| 5. | Mishra, Abhimanyu | g | USA | 2592 | 4½ |
| 6. | Shankland, Sam | g | USA | 2698 | 4 |
| 7. | Robson, Ray | g | USA | 2699 | 4 |
| 8. | Sevian, Samuel | g | USA | 2698 | 3½ |
| 9. | Swiercz, Dariusz | g | USA | 2620 | 3½ |
| 10. | Aronian, Levon | g | USA | 2742 | 3½ |
| 11. | Xiong, Jeffery | g | USA | 2693 | 3 |
| 12. | Tang, Andrew | g | USA | 2496 | 3 |

Mishra,Abhimanyu (2592) – Sevian,Samuel (2698) [E15]
ch-USA 2023 Saint Louis USA (8), 13.10.2023
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Nc3 d5 8.cxd5 exd5 9.Bg2 0–0 10.0–0 Re8 11.Ne5 Bb7 12.Rc1 Nbd7 13.Bf4 Nf8 14.h4 h6 15.e3 Ne6 16.g4 c6 17.Bg3 c5 18.dxc5 Bxc5 19.Qf3 Qe7 20.Nd3 Rad8 21.Nxc5 bxc5 22.Be5 Nd7 23.Bg3 Nb6 24.Rfe1 Rd7 25.Qf5 Red8 26.Ne2 Re8 27.Red1 Red8 28.Nf4 Nxf4 29.Qxf4 d4 30.Bxb7 Rxb7 31.exd4 cxd4 32.Rxd4 Rxd4 33.Qxd4 Rd7 34.Qe5 Qb4 35.g5 hxg5 36.hxg5 Qd2 37.Bf4 Qd5 38.Qxd5 Nxd5 39.Bd2 Kh7 40.Kg2 Kg6 41.Kf3 Ne7 42.Bf4 Nf5 43.Kg4 Ne7

44.Rc7 Rxc7 45.Bxc7 Nd5 46.Bb8 a6 47.f4 f5+ 48.Kf3 Nb4 49.a4 Nc6 50.Be5 Kf7 51.Bc3 g6 52.Ke3 Ke6 53.b4 Kd5 54.Kd3 Ne7 55.Bd4 Nc6 56.Bc5 Na5 57.Bf2 Nc4 58.Kc3 Nd6 59.Bd4 Ne4+ 60.Kd3 Nd6 61.Bg1 Nc4 62.b5 axb5 63.axb5 Nd6 64.b6 Nb7 65.Be3 Nd6 66.Kc3 Ke4 67.Bc1 Kd5 68.Kb4 Kc6 69.Be3 Kd5 70.Bc5 Nb7 71.Be3 Nd6 72.Ka5 Kc6 73.Ka6 Nb7 74.Bd4 Nd8 75.Bf6 Ne6 76.Be7 Nxf4 77.b7 Nd5 78.b8Q Nxe7 79.Qe5 Kd7 80.Kb7 f4 81.Qxf4 Nf5 82.Qa4+ Ke7 83.Kc7 Ng7 84.Qd7+ Kf8 85.Qd8+ 1–0

Robson,R (2699) – Niemann,Hans Moke (2667) [C88]
ch-USA 2023 Saint Louis USA (8), 13.10.2023
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0–0 Be7 6.Re1 b5 7.Bb3 0–0 8.a4 Bb7 9.d3 d6 10.Bd2 Qd7 11.h3 Nd8 12.axb5 axb5 13.Rxa8 Bxa8

14.c4 Ne6 15.Na3 bxc4 16.Bxc4 Bb7 17.Nc2 Ra8 18.b4 Qa4 19.Qb1 Nd7 20.Bb3 Qb5 21.Bc4 Qa4 22.Bb3 Qb5 23.Ne3 Bf8 24.Rc1 c6 25.Bc4 Qa4 26.Bb3 Qb5 27.Bc4 Qa4

28.b5 Ndc5 29.bxc6 Bxc6 30.Nd5 Qa7 31.Be3 Rb8 32.Qc2 Qa3 33.Qd1 Qb2 34.Rc2 Qa3

35.Ra2 Ba4 36.Qa1 1–0