[Event "53rd Biel C-HTO 2020"] [Site "Biel SUI"] [Date "2020.07.27"] [Round "7.1"] [White "Bauer, Ch"] [Black "Gschnitzer, Adrian"] [Result "1-0"] [ECO "A58"] [WhiteElo "2623"] [BlackElo "2404"] [PlyCount "80"] [EventDate "2020.07.20"] [EventType "swiss"] [EventRounds "9"] [EventCountry "SUI"] [SourceTitle "TWIC 1343"] [Source "Mark Crowther"] [SourceDate "2020.08.03"] [SourceVersion "1"] [SourceVersionDate "2020.08.03"] [SourceQuality "2"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 ({Relevant:} 6... Bxa6 7. Nf3 Bg7 8. e4 Bxf1 9. Kxf1 d6 10. g3 O-O 11. Kg2 Nbd7 12. h3 Qb6 13. Re1 Ne8 14. Re2 Nc7 15. Bg5 Rfe8 16. Rc1 Nb5 17. Nxb5 Qxb5 18. b3 e6 19. dxe6 Rxe6 20. Bf4 Nf6 21. a4 Qb7 22. Ng5 Ree8 23. Qxd6 h6 24. Nf3 Nxe4 25. Qd3 Rad8 26. Qb5 Qa8 27. Rce1 Re6 28. Qc4 Bd4 29. Bxh6 Rde8 30. b4 g5 31. bxc5 Bxf2 32. Rxf2 Nxf2 33. Rxe6 Rxe6 34. Bxg5 Nd1 35. Qg4 Re2+ 36. Kg1 {Korobov,A (2688) -Xiong,J (2709) chess24.com INT 2020 0-1}) 7. e4 O-O 8. a7 Rxa7 9. Nf3 e6 10. Be2 exd5 11. exd5 d6 12. O-O Na6 13. Nd2 Nc7 14. Nc4 Re8 (14... Bb7 15. Bf4 Ra6 16. Bf3 Qd7 17. Qd2 h6 18. h3 Kh7 19. Rfe1 Rd8 20. a4 Ng8 21. a5 f5 22. Na4 Qf7 23. Nab6 Qf8 24. Rab1 g5 25. Be3 Ne7 26. Nxd6 Rxd6 27. Bxc5 Nc8 28. Be2 Raxb6 29. axb6 Nxd5 30. Bf3 Qf6 31. Bxd6 Qxd6 32. Qd3 Qd7 33. g4 Qf7 34. Qxf5+ Qxf5 35. gxf5 Ncxb6 36. Re6 Bc8 37. Rd6 Bxf5 38. Rd1 Bf8 39. R6xd5 Nxd5 40. Rxd5 Bxh3 41. Be4+ Kg7 42. Bf5 g4 43. Bd7 Kf6 44. f3 {1-0 (44) Sumets,A (2575) -Vaisser,A (2504) Cap d'Agde FRA 2018}) 15. Bg5 Ba6 16. Re1 Qd7 {[#]} 17. Rc1 $146 ({Predecessor:} 17. Qd2 Ne4 18. Nxe4 Rxe4 19. Qc2 Qf5 20. Nxd6 Rxe2 21. Qxc5 Qxg5 22. Rxe2 Bxe2 23. Qxa7 Bf3 24. g3 Qd8 25. Nc4 Nxd5 26. Re1 Bg4 27. a4 Be6 28. b3 Nc3 29. Qe3 Qd5 30. Qd2 Qb7 31. Qd8+ Bf8 32. Nd6 Qc6 33. Ne8 Nd5 34. a5 Qc3 35. Rf1 Qf3 36. a6 Nc3 37. Nf6+ Kg7 38. Ne8+ Kg8 39. Nf6+ Kg7 40. Ne8+ Kg8 {1/2-1/2 (40) Carow,J (2437)-Gschnitzer,A (2396) Neustadt an der Weinstrasse 2020}) 17... Qf5 (17... Bxc4 {Dumping off the bishop pair for the strong knight is an option} 18. Bxc4 Rxe1+ 19. Qxe1 Qg4 20. f4 {The Bg5 lacks options} h6 21. Bxf6 Bxf6 22. Qd2 $14) 18. Bxf6 {Dumping off the nice bishop gets a minimal advantage} (18. Bd2 $5 {This modest retreat has potential} Bxc4 19. Bxc4 Rxe1+ 20. Bxe1 $16) 18... Qxf6 19. Bf1 Rxe1 20. Qxe1 Bxc4 21. Bxc4 Ra8 (21... Qg5 22. g3 $16) 22. Rc2 {A conservative prophylactic keep that also keeps the tension} (22. Qd2 $16) (22. a4 $5 {Direct queenside play can be considered}) 22... Qd4 23. b3 (23. Ne2 $5 Qe5 24. Qd2 $14) 23... Re8 24. Re2 { Challenging for e-file control is a normal plan} (24. Qc1 $5 $16) 24... Rxe2 25. Nxe2 Qe4 $16 (25... Qe5 $14) 26. Qd1 Bd4 {[#]} (26... Na8 27. a4 Nb6 28. Qd3 Qe5 (28... Qxd3 {The ending is quite difficult for Black} 29. Bxd3 Kf8 ( 29... Nxd5 $2 30. a5 Nc7 31. a6 $18) 30. a5 Nc8 31. Ba6 Na7 32. g4 $18)) 27. Qd3 $16 (27. Nxd4 $1 {Is a helpful exchange that leaves White with a decisive strategic advantage-the strong a-pawn plus the better minor piece in support} cxd4 (27... Qxd4 $2 28. Qxd4 cxd4 29. Kf1 $18) 28. Kf1 $18) 27... Qe5 $6 (27... Qxd3 28. Bxd3 $16) 28. Qf3 (28. Nxd4 $1 {is again strong} cxd4 29. Qe2 Qg5 30. g3 $18) 28... f5 $2 $18 {Aggressive but Black cannot to make unnecessary weaknesses} 29. a4 {The a-pawn is decisive} Bb2 30. a5 Ba3 31. g4 $1 {The kingside is the second front} Bb4 32. a6 Nxa6 33. Bxa6 Qa1+ 34. Kg2 Qxa6 35. gxf5 gxf5 36. Ng3 {White must still be careful} (36. Nf4 $6 Qa1 $16 37. Ne6 Qe5 $16) ({or} 36. h4 $18) 36... f4 37. Qxf4 Bc3 38. Nf5 Qd3 39. Qg5+ Kf7 40. Nxd6+ Kf8 1-0
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