Dr. S x Novag Sapphire - game in 10

[Event "?"] [Site "?"] [Date "2017.09.01"] [Round "?"] [White "Dr. S"] [Black "Novag Sapphire"] [Result "1/2-1/2"] [ECO "A56"] [WhiteElo ""] [BlackElo ""] [Annotator "Tactical Analysis 2.04 (14s)"] [PlyCount "85"] [EventDate "2017.??.??"] 1. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} c5 2. d5 d6 3. c4 Nf6 4. Nf3 e5 5. Nc3 Qa5 $146 ({Predecessor:} 5... g6 6. e4 Bg7 7. Be2 O-O 8. Bg5 h6 9. Bh4 Nbd7 10. O-O g5 11. Bg3 Nh5 12. Nd2 Nf4 13. Bg4 Bf6 14. Rb1 Kg7 15. f3 h5 16. Bf5 Rh8 17. Bf2 Qf8 18. Qc2 Bd8 19. g3 Ng6 20. Nd1 Ne7 { 1/2-1/2 (59) Markowski,T (2575)-Weiss,C (2361) Germany 2017}) 6. Bd2 {A56: Czech Benoni} Nbd7 7. e4 Be7 8. Be2 {White is better.} O-O 9. O-O Re8 10. h3 h6 11. Nh2 {[%eval 65,19]} (11. Nh4 $16 {[%eval 109,19]}) 11... Qa6 12. f4 { [%eval 13,20]} (12. a4 $16 {[%eval 85,20]}) 12... Bd8 {[%eval 80,19]} (12... exf4 $1 $11 {[%eval 13,20] remains equal.} 13. Bxf4 Bd8) 13. f5 $1 $16 Ba5 { White should prevent ...Bxc3.} 14. Bd3 Rb8 15. Qf3 (15. Qe2 {keeps more tension.} Qb6 16. a3 a6 17. Rfc1 Qc7 18. Rab1) 15... Qb6 16. Rab1 Bxc3 17. Bxc3 Qa6 18. a3 Nb6 19. Qe2 Bd7 20. g4 {[%eval 91,18]} (20. Be1 $142 {[%eval 144,19] }) 20... Ba4 {[%eval 134,20]} (20... Nh7 $142 {[%eval 91,18]} 21. b3 Na8) 21. b4 {[%eval 91,19]} (21. b3 $142 {[%eval 134,20]} Bd7 22. h4) 21... Bd7 { [%eval 141,17]} (21... Nbd7 $142 {[%eval 91,19]}) 22. Bb2 {[%eval 24,18]} (22. Bd2 $16 {[%eval 141,17]}) 22... Na4 $1 $11 23. b5 $1 {[%cal Rb5a6]} Qa5 { [%eval 83,19]} ({Black should play} 23... Qb6 $14 {[%eval 31,21]}) 24. h4 { [%eval -2,19]} (24. Bc1 $1 $16 {[%eval 83,19]}) 24... a6 25. g5 Nxb2 26. Qxb2 { [%eval -32,18]} ({Much less strong is} 26. Rxb2 $6 hxg5 27. hxg5 Nh7 $18) ({ White should try} 26. gxf6 $14 {[%eval 69,16]} gxf6 27. Rxb2) 26... hxg5 27. hxg5 Nh5 {Threatens to win with ...axb5.} 28. bxa6 Qxa6 29. f6 {[%eval -76,18]} (29. Nf3 $1 $15 {[%eval -33,18]}) 29... gxf6 $2 {[%eval 174,17]} (29... Ra8 $17 {[%eval -76,18] keeps the pressure on.} 30. fxg7 (30. Qxb7 Red8 $15) 30... Kxg7 ) 30. gxf6 $2 {[%eval -93,19]} ({White must play} 30. Qe2 $1 $18 {[%eval 174, 17][%cal Re2h5]} Ng3 31. Qg2) 30... Kf8 $2 {[%eval 1847,20][%mdl 8192]} (30... Kh7 $17 {[%eval -93,19]} 31. Nf3 Rg8+ 32. Kf2 Nxf6) 31. Qg2 Qxa3 32. Rf3 { Strongly threatening Qg5.} Nxf6 33. Rxf6 $2 {[%eval 256,19]} (33. Qg5 {[%eval 986,14]} Re6 34. dxe6 Bxe6 35. Qxf6) 33... Qxd3 $18 34. Rbf1 $40 {[%csl Gf1] [%cal Rf6f7][%mdl 128] White is out for blood.} Re7 $2 {[%eval 1247,17]} (34... Qe3+ {[%eval 215,22]} 35. R1f2 (35. Kh1 Ke7 $18) 35... Ke7 36. Rxf7+ Kd8) 35. Qg5 {[%eval 565,19]} (35. Qg6 $142 {[%eval 1247,17][%cal Rf6f7]} Qe3+ 36. Kh1) 35... Qd4+ 36. Kh1 Qxe4+ {[#]} 37. R1f3 $2 {[%eval 0,20]} (37. Nf3 $1 $18 { [%eval 215,19]} Qg4 38. Qh6+ Qg7 39. Qh4) 37... Qb1+ $2 {[%eval 423,16][%mdl 8192] [#]} (37... Ra8 $1 $11 {[%eval 0,20]} 38. Qh6+ Kg8) 38. Rf1 $2 {[%eval 21,20]} (38. Nf1 $1 $18 {[%eval 423,16] White wants to mate with Rh6.} Qe4 39. Qh6+ Kg8 40. Kg1 Qd4+ 41. Ne3 Qa1+ 42. Kh2 Qa2+ 43. Rf2) 38... Qh7 $2 {[%eval 1873,16][%mdl 8192]} (38... Qe4+ $11 {[%eval 21,20]} 39. R1f3 Ra8 40. Qh6+ Kg8) 39. Rh6 Qg7 40. Rg6 {[%eval 547,23]} (40. Qh4 $142 {[%eval 1666,19]} f5 41. Rh8+ Qxh8 42. Qxh8+ Kf7 43. Qxb8 Re8 44. Qxd6 Re7 45. Rg1) 40... Qh8 41. Rh6 { [%cal Rh6h8]} Qg7 42. Rg6 $2 {[%eval 209,21]} (42. Qh4 {[%eval 1387,18] Intending Rh8+ and mate.} Re6 43. Rh8+ Qxh8 44. Qxh8+ Ke7 45. Qh4+ Ke8 46. Qh8+ Ke7 47. Qh4+ Ke8 48. Qh7) 42... Qh7 $2 {[%eval 482,19]} (42... Qh8 {[%eval 209, 21]} 43. Rh6 Qg7) 43. Rh6 $2 {[%eval 0,36]} (43. Qf6 $18 {[%eval 482,19]} Ke8 44. Rh6 Qe4+ 45. Nf3) 1/2-1/2