[Event "PK 2 vs Groningen 2"] [Site "lichess.org"] [Date "2023.09.23"] [Round "4"] [White "Floor"] [Black "Noordenbos"] [Result "1-0"] [ECO "D20"] [Annotator "Floor,Dirk"] [SetUp "1"] [FEN "8/1p6/8/pNkr2Rp/P6P/1K6/1P3nP1/8 w - - 0 41"] [PlyCount "48"] [EventDate "2023.??.??"] [SourceVersionDate "2020.04.19"] {[%evp 0,128,25,26,13,-23,31,42,28,23,23,17,12,20,25,26,50,40,41,50,33,42,111,57,71,71,119,115,125,119,134,91,98,85,80,80,102,92,77,104,113,84,84,76,80,82,79,54,93,83,76,71,95,74,74,74,79,67,94,78,83,64,74,84,88,86,154,158,147,133,144,159,189,192,157,180,178,178,170,177,177,138,138,146,143,183,209,213,213,245,253,234,297,233,264,213,242,258,231,249,220,322,364,368,384,412,424,626,715,715,849,962,972,982,992,1002,1002,1012,1012,1022,1022,1022,1022,1022,1032,1032,1032,1032,1032,1032,29983] [#]} 41. Nc3 (41. Nc7 $18) 41... Rxg5 42. hxg5 {De g-pion garandeert de winst.} Kd4 43. g6 Ng4 44. g7 Nh6 (44... Nf6 45. Ne2+ Ke3 (45... Ke5 46. Kc4) 46. Ng3 h4 47. Nf5+) 45. Ne2+ Ke5 46. g3 (46. Kc4 $1 {Wint eenvoudiger.} Kf6 47. Kb5 Kxg7 48. Kxa5) 46... Ke4 47. Nf4 h4 48. gxh4 {Maar mijn oog was op dit stukoffer gevallen..} Kxf4 49. Kc4 Ke3 50. h5 Ke4 (50... Kd2 51. Kb5 (51. b4 $18) 51... Kc2 52. Kxa5 Kxb2 53. Kb6 Kb3 54. Kxb7 Kxa4 55. Kc7 $18) 51. Kc5 (51. Kb5 $18 {Wint ook wel maar kan nog op vermakelijke wijze nog verliezen zelfs na twee verkeerde keuzes:} Kd5 52. Kb6 Kc4 53. Kc7 $1 $18 (53. Kxa5 $2 Kc5 $11 54. b4+ $4 (54. b3 $11 {Met dit subtiele pionzetje kan wit nog remise maken.} Ng8 55. b4+ Kc6 56. b5+ Kc5 57. h6 Nxh6 58. b6 Kc6 59. Kb4 Kxb6 60. Kc4 (60. a5+ $11) 60... Ka5 61. Kc5 b6+ 62. Kc6 $11) 54... Kc6 55. b5+ Kc5 56. b6 Ng8 57. h6 Ne7 58. g8=Q Nc6#)) 51... Ke5 52. Kb6 Kd6 53. Kxb7 Kc5 54. Kc7 (54. Ka6 $1 {Nauwkeuriger kun je stellen want het scheelt nog een tempo ten faveure van wit.} Kb4 55. b3 Ng8 56. Kb6 Nh6 57. Kc6 Ng8 58. Kd6 Kxb3 59. Ke6 Kxa4 60. Kf7 Nh6+ 61. Kg6 Ng8 62. h6 {Etcetera.}) 54... Kb4 55. Kd7 Kxa4 56. Ke6 Kb3 57. Kf6 Kxb2 58. Kg6 Ng8 59. h6 Nxh6 60. Kxh6 a4 61. g8=Q a3 {En de pion is net niet ver genoeg. Punt is dat de witte dame altijd winnend op b4 zal verschijnen.} 62. Qb8+ Ka1 63. Qe5+ (63. Qf4 Kb2 (63... Ka2 64. Qb4) 64. Qb4+ Ka2 65. Kg5) 63... Kb1 64. Qe1+ Kb2 {En opgegeven.} 1-0