Evgeni Ragozin vs Andrei Kovalev — Porz Open 1991 (26th, Cologne), Round 4

-- Stockfish 19

-- Engine disabled.

1. Nf3 Nf6

2. c4 g6

3. Nc3 Bg7

4. e4 d6

5. d4 O-O

6. Be2 e5

7. O-O Na6

8. Be3 Ng4

9. Bg5 Qe8

10. d5 h6

11. Bd2 f5

12. Nh4 Nf6

13. exf5 gxf5

14. f4 e4

15. Be3 Nc5

16. Bd4 a5

17. Qd2 Kh7

18. Rab1 Rg8

19. Nd1 Ng4

20. Bxg4 Bxd4+

21. Qxd4 Rxg4

22. g3 Qe7

23. Ng2 Bd7

24. Nf2 Rg7

25. b3 b5

26. cxb5 Bxb5

27. Rfe1 Rb8

28. Qc3 Qf7

29. Qxa5 Qxd5

30. Ne3 Qf7

31. Red1 Bc6

32. Qc3 Rb6

33. b4 Ne6

34. Qb3 Rb8

35. Nh3 Rbg8

36. Kg2 Qh5

37. Rf1 Qh4

38. Ng5+ Rxg5

39. fxg5 Qxg5

40. Rxf5 Qg6

41. Qc3 Bd7

42. Rbf1 Rg7

43. Nd5

1-0

[Event "Porz op 26th"]
[Site "Cologne"]
[Date "1991.??.??"]
[Round "4"]
[White "Ragozin, Evgeni"]
[Black "Kovalev, Andrei"]
[Result "1-0"]
[WhiteElo "2395"]
[BlackElo "2550"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Na6 8. Be3 Ng4 9. Bg5 Qe8 10. d5 h6 11. Bd2 f5 12. Nh4 Nf6 13. exf5 gxf5 14. f4 e4 15. Be3 Nc5 16. Bd4 a5 17. Qd2 Kh7 18. Rab1 Rg8 19. Nd1 Ng4 20. Bxg4 Bxd4+ 21. Qxd4 Rxg4 22. g3 Qe7 23. Ng2 Bd7 24. Nf2 Rg7 25. b3 b5 26. cxb5 Bxb5 27. Rfe1 Rb8 28. Qc3 Qf7 29. Qxa5 Qxd5 30. Ne3 Qf7 31. Red1 Bc6 32. Qc3 Rb6 33. b4 Ne6 34. Qb3 Rb8 35. Nh3 Rbg8 36. Kg2 Qh5 37. Rf1 Qh4 38. Ng5+ Rxg5 39. fxg5 Qxg5 40. Rxf5 Qg6 41. Qc3 Bd7 42. Rbf1 Rg7 43. Nd5 1-0