U 4. kolu Ju Wenjun je savladala francusku šahistkinju Marie Sebag, dok je Valentina Gunina remizirala sa Piom Cramling. Tako posle 4. kola na čelu tabele se nalaze Gunina i Ju Wenjun sa po 3 poena, pola poena više od Gorjačkine i Koneru Humpy.
Ju,Wenjun (2576) – Sebag,Marie (2450) [D11]
Skolkovo WGP 2019 Skolkovo RUS (4.1), 14.09.2019
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Qc2 dxc4 5.Qxc4 Bf5 6.g3 e6 7.Bg2 Be7 8.0–0 Nbd7 9.Qb3 Qb6 10.Nbd2 0–0 11.Nc4 Qa6 12.Bf4 Nb6 13.Bd6 Bxd6 14.Nxd6 Bg6 15.Ne5 Rad8 16.Qb4 Nfd5 17.Bxd5 exd5 18.a4 Qxe2 19.Rfe1 Qh5 20.Nxb7 Rb8 21.a5 Nc4 22.Nd7 Qf3 23.Nxb8 Rxb8
24.Nd6 Rf8 25.Nxc4 dxc4 26.Re3 Qd5 27.Qc5 Qxc5 28.dxc5 Rb8 29.Re7 h5 30.Rxa7 Rxb2 31.a6 c3 32.Rb7 Kh7 33.Rxb2 cxb2
34.Re1 1–0
Kashlinskaya,Alina (2487) – Harika,Dronavalli (2503) [B07]
Skolkovo WGP 2019 Skolkovo RUS (4.2), 14.09.2019
1.d4 d6 2.e4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2 Nbd7 6.Nf3 Qa5 7.Bd3 Bg7 8.Bh6 0–0 9.h4 Bxh6 10.Qxh6 Ng4 11.Qg5 Qxg5 12.hxg5 e5 13.Rh4 exd4 14.Nxd4 Nge5 15.f4 Nxd3+ 16.cxd3 Re8 17.g4 a5 18.Kd2 a4 19.Rah1 Nf8 20.a3 Bd7 21.Nc2 Kg7 22.d4 Red8 23.Kc1 Be8 24.Kd2 Ra7 25.Ke3 b6 26.f5 d5 27.exd5 cxd5 28.Nb4 Ra5 29.Kf4 f6 30.gxf6+ Kxf6 31.Rxh7 g5+ 32.Kg3 Nxh7 33.Rxh7 Bf7 34.Nc6 Re8 35.Nxa5 bxa5 36.Nxa4 Re1 37.Nb6 Rg1+ 38.Kf3 Ke7 39.Nxd5+ Kf8 40.Nc7 Rf1+ 41.Ke3 Re1+ 42.Kf2 Re4
43.d5 Rxg4 44.Ne6+ Bxe6 45.fxe6 Rd4 46.Rf7+ Ke8 47.Rf5 g4 48.Ke3 Rd1 49.Kf4 Rg1 50.d6 Rd1 51.Ke5 g3 52.d7+ Kd8 53.Rf8+ 1–0
| Rezultati. 4. kola (14. septembar , 2019) | ||||||
| Ju, Wenjun | – Sebag, Marie | 1-0 | 34 | D11 | Slav Defence | |
| Goryachkina, Aleksandra | – Lagno, Kateryna | ½-½ | 33 | B51 | Sicilian Rossolimo | |
| Kosteniuk, Alexandra | – Koneru, Humpy | ½-½ | 57 | C42 | Petroff’s Defence | |
| Cramling, Pia | – Gunina, Valentina | ½-½ | 57 | A28 | English Four Knights | |
| Stefanova, Antoaneta | – Paehtz, Elisabeth | ½-½ | 25 | B96 | Sicilian Najdorf | |
| Kashlinskaya, Alina | – Harika, Dronavalli | 1-0 | 53 | B07 | Pirc Defence | |
Stanje posle 4. kola
| 1. | Gunina, Valentina | g | RUS | 2502 | 3 |
| 2. | Ju, Wenjun | g | CHN | 2576 | 3 |
| 3. | Goryachkina, Aleksandra | g | RUS | 2564 | 2½ |
| 4. | Koneru, Humpy | g | IND | 2560 | 2½ |
| 5. | Harika, Dronavalli | g | IND | 2503 | 2 |
| 6. | Paehtz, Elisabeth | m | GER | 2479 | 2 |
| 7. | Lagno, Kateryna | g | RUS | 2545 | 2 |
| 8. | Kosteniuk, Alexandra | g | RUS | 2495 | 1½ |
| 9. | Cramling, Pia | g | SWE | 2487 | 1½ |
| 10. | Stefanova, Antoaneta | g | BUL | 2491 | 1½ |
| 11. | Kashlinskaya, Alina | m | RUS | 2487 | 1½ |
| 12. | Sebag, Marie | g | FRA | 2450 | 1 |