[Event "Chigorin Memorial 2021"] [Site "St Petersburg RUS"] [Date "2021.10.27"] [Round "5.130"] [White "Ivanjko, Denis"] [Black "Shevtsova, Stefania"] [Result "1-0"] [BlackElo "1638"] [ECO "A45"] [Opening "Queen's pawn game"] [EventDate "2021.10.23"] [BlackFideId "24218162"] 1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. c4 c6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nbd7 8. h3 a6 9. Nf3 e6 10. Nc3 h6 11. b4 Rc8 12. Nd2 g5 13. Bh2 Be7 14. Nb3 Bd8 15. Na5 Bxa5 16. bxa5 O-O 17. Ra4 Rfe8 18. Rb4 e5 19. dxe5 Ne4 20. Nxe4 Bxe4 21. Rxb7 Nxc5 22. Rb6 Re6 23. f3 Bd3 24. Kd2 Bb5 25. Bxb5 axb5 26. b4 Nd7 27. Rb7 Nxe5 28. Bxe5 Rxe5 29. Ra1 Ree8 30. a6 Ra8 31. Rc7 Rec8 32. Rxc8+ Rxc8 33. a7 Ra8 34. Kc3 Kf8 35. Kd4 Ke7 36. Kc5 Kd7 37. Kb6 Kc8 38. Rc1 f5 39. Rxc6+ Kd8 40. Rxh6 Rc8 41. Kxb5 Kc7 42. Rc6+ 1-0

[Event "Chigorin Memorial 2021"] [Site "St Petersburg RUS"] [Date "2021.10.26"] [Round "4.123"] [White "Isfandiyarli, Kamal"] [Black "Ivanjko, Denis"] [Result "1-0"] [WhiteElo "1772"] [ECO "E73"] [Opening "King's Indian"] [Variation "Averbakh system"] [EventDate "2021.10.23"] [WhiteFideId "13425579"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nc6 7. d5 Ne5 8. f4 Ned7 9. Nf3 Nc5 10. Nd2 Nfd7 11. O-O f5 12. exf5 Rxf5 13. Qc2 a5 14. Rae1 Rf7 15. Nde4 Qf8 16. Bg4 Nxe4 17. Nxe4 Bd4+ 18. Kh1 Ne5 19. Be6 Bxe6 20. dxe6 Rf5 21. Ng3 Rxg5 22. fxg5 Qg7 23. Qe4 Nc6 24. Qh4 Nd8 25. Rf3 Bxb2 26. Qh3 Nc6 27. Rf7 Qh8 28. Ref1 Ne5 29. Qh6 Nf3 30. R1xf3 Bg7 31. Qh4 Bf8 32. Qg4 Bg7 33. Rxe7 Rf8 34. Rff7 Rxf7 35. exf7+ Kf8 36. Re8+ 1-0

[Event "Chigorin Memorial 2021"] [Site "St Petersburg RUS"] [Date "2021.10.25"] [Round "3.110"] [White "Ivanjko, Denis"] [Black "Titievskaya, Elizaveta"] [Result "0-1"] [BlackElo "1842"] [ECO "D00"] [Opening "Queen's pawn, Mason variation"] [EventDate "2021.10.23"] [BlackFideId "34127469"] 1. d4 d5 2. Bf4 Nf6 3. Nc3 Bf5 4. e3 e6 5. Nb5 Na6 6. c4 c6 7. Nc3 Nb4 8. Rc1 dxc4 9. Bxc4 b5 10. Be2 Nfd5 11. Bg3 Nxc3 12. Rxc3 Nxa2 13. Rxc6 Bb4+ 14. Kf1 O-O 15. Bxb5 Qd5 16. Qa4 Rac8 17. Ne2 a6 18. Rxa6 Bc2 19. Bc6 Bxa4 20. Bxd5 Bb5 21. f3 Bxa6 22. Bxa2 Rc2 23. Kg1 Rxe2 24. h4 Rxb2 25. Bxe6 Rb1+ 26. Kh2 Rxh1+ 27. Kxh1 fxe6 0-1

[Event "Chigorin Memorial 2021"] [Site "St Petersburg RUS"] [Date "2021.10.24"] [Round "2.76"] [White "Suleymenov, Alisher"] [Black "Ivanjko, Denis"] [Result "1-0"] [WhiteTitle "IM"] [WhiteElo "2443"] [ECO "A48"] [Opening "King's Indian"] [Variation "East Indian defence"] [EventDate "2021.10.23"] [WhiteFideId "13707833"] 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bb5+ c6 6. Bd3 c5 7. c3 cxd4 8. cxd4 e5 9. d5 O-O 10. O-O Na6 11. Bxa6 bxa6 12. b3 Nh5 13. Nc4 f5 14. Ba3 fxe4 15. Nfd2 Rf4 16. Nxd6 Qh4 17. Nxc8 Rxc8 18. Nc4 Rg4 19. Be7 Qh3 20. Ne3 Nf4 1-0

[Event "Chigorin Memorial 2021"] [Site "St Petersburg RUS"] [Date "2021.10.23"] [Round "1.124"] [White "Ivanjko, Denis"] [Black "Aseev, Vladimir"] [Result "1/2-1/2"] [BlackElo "2019"] [ECO "A45"] [Opening "Queen's pawn game"] [EventDate "2021.10.23"] [BlackFideId "24121371"] 1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. Nc3 Qxb2 5. Nb5 Nd5 6. Rb1 Qxa2 7. Ra1 Qb2 8. Rb1 Qa2 9. Ra1 Qb2 1/2-1/2