U drugom kolu, odigranom 19. avgusta, odlučene su dvije partije. Firouzja je savladao Dudu (u partiji koja je trajala 100 poteza!), dok je Gukesh pobijedio Abdusattorova. Aronian je remizirao sa Sevianom i zadržao se na vrhu tabele sa 1,5 poen. Ipak, prvo mjesto trenutno dijele još i Praggnanandhaa, koji je remizirao sa Caruanom, kao i Firouzja.
Rezultati 2.kola (19.08.2025)
| Praggnanandhaa, R | – Caruana, Fabiano | ½-½ | 37 | B31 | Sicilian Rossolimo |
| Firouzja, Alireza | – Duda, Jan-Krzysztof | 1-0 | 100 | C82 | Ruy Lopez Open Italian Variation |
| Aronian, Levon | – Sevian, Samuel | ½-½ | 53 | C11 | French Defence |
| So, Wesley | – Vachier-Lagrave, Maxime | ½-½ | 45 | D85 | Gruenfeld Defence |
| Gukesh, D | – Abdusattorov, Nodirbek | 1-0 | 50 | C80 | Ruy Lopez Open |
Stanje posle 2.kola
| 1. | Praggnanandhaa, R | g | IND | 2779 | 1½ |
| 2. | Firouzja, Alireza | g | FRA | 2766 | 1½ |
| 3. | Aronian, Levon | g | USA | 2737 | 1½ |
| 4. | Vachier-Lagrave, Maxime | g | FRA | 2736 | 1 |
| 5. | Sevian, Samuel | g | USA | 2683 | 1 |
| 6. | Caruana, Fabiano | g | USA | 2784 | 1 |
| 7. | So, Wesley | g | USA | 2745 | 1 |
| 8. | Gukesh, D | g | IND | 2776 | 1 |
| 9. | Duda, Jan-Krzysztof | g | POL | 2725 | ½ |
| 10. | Abdusattorov, Nodirbek | g | UZB | 2771 | 0 |
Zanimljivo da je Duda provjerio da li Firouzja zna da matira sa lovcem i skakačem, pa je to jedan od razloga zašto je partija trajala čitavih 100 poteza.
Firouzja,Alireza (2766) – Duda,J (2725) [C82]
12th Sinquefield Cup Saint Louis USA (2), 19.08.2025
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0–0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2 0–0 11.Bc2
11…Nxf2 12.Rxf2 Bxf2+ 13.Kxf2 f6 14.Nf1 fxe5 15.Kg1 Bg4 16.Ne3 Be6 17.b4 a5 18.Bb3 axb4 19.Nxd5 Kh8 20.Be3 bxc3 21.Ng5 Bg8 22.Qh5 h6 23.Ne4 Bxd5
24.Bxh6 Qe8 25.Qg5 Qe7 26.Bxd5 Rad8 27.Qh5 gxh6 28.Qxh6+ Qh7 29.Qxc6 c2 30.Bb3 Rd4 31.Re1 Qh4 32.g3 Qh3 33.Qxc2 Qf5 34.Qe2 b4 35.Nc5 Rf6 36.Bc2 Qf3
37.Qxf3 Rxf3 38.Re2 Rc3 39.Ne6 Rd6 40.Ng5 Rd7 41.Bb3 Kg7 42.Re1 Rdd3 43.Rf1 c5 44.Bf7 Kh6 45.Ne4 Rc2 46.Bb3 Rb2 47.Rf6+ Kg7 48.Rf7+ Kh6 49.Rf6+ Kg7 50.Rf7+ Kh6
51.Nxc5 Rdd2 52.Ne4 Rg2+ 53.Kf1 Rxh2 54.Rf2 Kg6 55.Rxh2 Rxh2 56.Nf2 Kf5 57.Ke2 Rh8 58.Ke3 Rd8 59.g4+ Kf6 60.Ne4+ Kg6 61.Be6 Kg7 62.Bb3 Kg6 63.Nf2 Kf6 64.Nd3 Rd4 65.g5+ Kxg5 66.Nxe5 Rf4 67.Nf3+ Kg4 68.Be6+ Kg3 69.Ne5 Rf6 70.Bd5 Rf4 71.Nd3 Rh4 72.Be4 Rh2 73.Bd5 Rh4 74.Ne5 Rf4 75.Nc6 Rh4 76.Kd3 Rf4 77.Bc4 Kg4 78.Nxb4 Kf5 79.Nc6 Rf3+ 80.Kd4 Ra3 81.Kc5
81…Rxa2 82.Bxa2 Ke4 83.Bb1+ Ke3 84.Kd5 Kf3 85.Ke5 Ke3 86.Be4 Ke2 87.Kd4 Kf2 88.Ne5 Ke2 89.Nd3 Kd1 90.Nf4 Kd2 91.Bd3 Kd1 92.Ne2 Kd2 93.Ke4 Ke1 94.Ke3 Kf1 95.Nf4+ Ke1 96.Bc2 Kf1 97.Bb3 Ke1 98.Ng2+ Kf1 99.Kf3 Kg1 100.Kg3
1–0
Gukesh,D (2776) – Abdusattorov,Nodirbek (2771) [C80]
12th Sinquefield Cup Saint Louis USA (2), 19.08.2025
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0–0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Nc5 10.c3 d4 11.Bc2 d3 12.Bb1 Qd5 13.Re1 0–0–0 14.Ng5 Nxe5 15.a4 Bd6 16.axb5 axb5 17.Ba2 Nc4 18.b4 Nd7 19.Bxc4 bxc4 20.Ra5 Qc6 21.Ndf3 Bd5 22.Nd4 Qb7 23.Be3 h6 24.Ngf3 Nb6 25.Nd2 h5 26.Nb5 Bc6 27.Na7+ Kb8 28.Nxc6+ Qxc6 29.Nf3 Rhe8 30.Nd4 Qe4 31.b5 Kb7
32.Nc6 Qd5 33.Nxd8+ Rxd8 34.Qa1 Kb8 35.Qa2 Re8 36.Qd2 Re4 37.Raa1 h4 38.Bxb6 cxb6 39.Rxe4 Qxe4
40.Qa2 Kc8 41.Qa6+ Kd7 42.Qxb6 Qe5 43.Qc6+ Ke7 44.g3 d2
45.Qxc4 Qe1+ 46.Qf1 Qe5 47.Rd1 hxg3 48.hxg3 Bc5 49.Rxd2 Qxg3+ 50.Qg2
1–0
Gukesh tokom analize posle druge partije