[Event "Beker KNSB"] [Site "https://lichess.org/study/WgQ8y2hk/FNOsJHl0"] [Date "2018.10.24"] [Round "1"] [White "Johnson, Matthew"] [Black "Plasman, Hans"] [Result "1-0"] [Annotator "jap"] [Variant "From Position"] [ECO "?"] [Opening "?"] [FEN "r2q1rk1/p3b2p/b1p2p2/3pp3/8/2Pn1N1P/PP1N1PP1/R1BQR1K1 w - - 0 16"] [SetUp "1"] [Source "https://lichess.org/study/WgQ8y2hk/FNOsJHl0"] [Orientation "white"] 16. Re3 Nxc1! (16... Bc5?! 17. Rxd3! Bxd3 18. Nb3 Bb6 19. Qxd3 e4 20. Qd1 exf3 21. Qxf3 $15) 17. Qxc1 Bc5 $17 18. Nb3 (18. Re1? Qb6 $19) 18... Bxe3 19. Qxe3 Qc7 (19... Qb6?! 20. Nc5! Qxb2? 21. Re1 Bc8 22. Nxe5! fxe5 23. Qg5+ Kf7 (23... Kh8 24. Qxe5+ Kg8 25. Qg5+) 24. Nd3) 20. Nc5 Bc8 21. a4 a5 22. b4 axb4 23. cxb4 Qf7 24. a5 Ba6 25. Nd2 Rfb8 26. Rb1 Bc8 27. Rb3 Rb5 28. Na4 Be6 (28... Rab8 29. Nb6) 29. Qh6 Qf8 (29... d4 30. Rg3+ Kh8 31. Nc5 Bd5 (31... Rxb4? 32. Nxe6) 32. Nde4) 30. Qh4 Ra7 31. Nc5 Bc8! $17 (31... Rxc5? 32. bxc5 Rxa5 33. Rb7 Bf5 34. Qh5 Bg6 35. Qg4 Rxc5 (35... Ra8 36. Qe6+ Kh8 37. Qxc6) 36. Qe6+ Kh8 37. Rc7) 32. Nf1 Rxc5? (32... Rg7! { Het begin van een computer variant } 33. Rf3 (33. a6 Rb8! (33... Ra7!? 34. Ng3 Bxa6? 35. Nh5 $18) 34. Ra3) 33... Rg6 34. Ng3 Kh8 35. Nh5 Qe7 36. Rxf6 (36. Nxf6? e4!) 36... d4 37. a6 Rxc5 38. bxc5 Bxa6) 33. bxc5 Rxa5 34. Ng3 $16 Ra1+ 35. Kh2 Ra7 36. Rb8 Rf7! 37. Nf5?! Bxf5 38. Rxf8+ Kxf8 39. Qb4?! (39. f4!? e4! 40. g4 d4 41. gxf5 d3 42. Qf2 Rd7 43. Qh4 Kg7 (43... d2? 44. Qxf6+ Ke8 45. Qh8+ Ke7 46. f6+ Ke6 47. Qe8+) 44. Qg3+ Kf8 45. Qh4) (39. Qh6+! Ke8 40. g4 Be4 (40... Bg6 41. f4 d4 42. f5) (40... Bc2 41. g5 d4 42. gxf6) 41. Qe3!) 39... Bd7?! { Tijdnood, zag te laat dat 39...d4 beter was } (39... d4! 40. g4 (40. Qb8+ Kg7 41. Qd6 d3)) 40. Qb6 (40. Qb8+ Kg7 41. Qd6 d4 (41... Be8 42. f4 d4 43. fxe5) 42. f4 Be8 43. fxe5 (43. Qd8) 43... Rd7) 40... d4 41. Qb8+ Kg7 42. Qd6 $16 Be8?! 43. f4?! Rd7? (43... exf4! 44. Qxd4 Re7 45. Qxf4 h5 (45... Re5) 46. Qd6 Re5 47. g4 hxg4 48. hxg4 Rd5 49. Qe7+ Bf7 50. Qc7 Rxc5 51. Qd6 Rg5 52. Qxc6) 44. Qe6! $18 (44. Qxc6 d3 45. fxe5 d2 46. Qxf6+ Kg8 47. Qe6+ Kg7 48. Qg4+ Kh8 49. Qd1 Rd4 50. e6 Kg7 51. e7 Ba4 52. Qxa4 Rxa4 53. e8=Q d1=Q 54. Qe7+ Kg6 55. Qe6+ Kg5 56. Qe5+ Kg6 57. Qe6+) 44... d3 45. Qxe8 Rd4 (45... Rd5 46. Qxc6 Rd4 47. fxe5 fxe5 48. Qe6 $18) 46. fxe5! (46. Qxc6 d2) 46... d2 47. Qe7+ { En zwart gaf op wegens: } 47... Kg6 (47... Kg8 48. exf6) 48. Qxf6+ Kh5 49. g4+ Rxg4 50. Qf5+ Rg5 51. Qxh7# { 1-0 White wins by checkmate. } 1-0