Test: Juegan Negras Y Ganan

[Event "Rice Memorial"] [Site "New York, NY USA"] [Date "1916.01.21"] [Round "4"] [White "Edward Tennenwurzel"] [Black "Albert Whiting Fox"] [Result "0-1"] [ECO "B73"] [Annotator "Mosaico Ajedrecístico"] [SetUp "1"] [FEN "5k1r/5p1r/pq2pBp1/3pPP2/2pR2Pn/2P3Q1/PP6/4R1K1 b - - 0 39"] [PlyCount "29"] [EventDate "1916.01.17"] 39... Nxf5 40. gxf5 Rh1+ 41. Kg2 (41. Kf2 Qxb2+ 42. Kf3 Rxe1 43. Qxe1 Rh3+ 44. Qg3 Qxc3+ 45. Ke2 Rxg3 46. Bg7+ Kg8 47. Rg4 Qf3+ 48. Kd2 Qf2+ 49. Kc1 Rxg4 50. fxe6 Rg1#) 41... Qxb2+ 42. Kf3 R1h3 (42... Rxe1 43. Bg7+ Ke8 44. Qxe1 Rh3+ 45. Qg3 Qxc3+ 46. Ke2 Rxg3 47. Rf4 Qe3+ 48. Kd1 Rg1+ 49. Rf1 Rxf1+ 50. Kc2 Qc1#) 43. Rh4 Rxg3+ (43... Qxc3+ 44. Ke2 Qc2+ 45. Kf1 R8xh4 46. Bxh4 Rh1+ 47. Qg1 Qxf5+ 48. Ke2 Rxg1 49. Rxg1 Qe4+ 50. Kd2 Qd4+ 51. Kc2 Qxg1 52. Kc3 a5 53. Bd8 Qe3+ 54. Kc2 Qe2+ 55. Kc1 c3 56. Bg5 d4 57. a4 d3 58. Bh6+ Ke8 59. Bd2 Qxd2+ 60. Kb1 Qb2#) 44. Kxg3 $19 Qxc3+ 45. Kf2 Rxh4 46. Bxh4 Qd4+ 47. Kg3 exf5 48. Bf6 g5 (48... f4+ 49. Kg4 Qd3 50. Rg1 Qe3 51. Rg2 f3 52. Rb2 Qd4+ 53. Kxf3 Qc3+ 54. Kg4 Qxb2 55. Kf3 Qd2 56. Bd8 c3 57. Bb6 d4 58. Bc5+ Kg7 59. Ba3 Qe3+ 60. Kg2 d3 61. Bc5 Qxc5 62. e6 d2 63. exf7 d1=Q 64. f8=Q+ Kxf8 65. Kg3 Qe3+ 66. Kg2 Qdg1#) 49. Rh1 Qe3+ 50. Kg2 Qe2+ 51. Kg1 Ke8 52. Rh8+ Kd7 53. Rd8+ Kc7 (53... Kc7 54. Rf8 c3 55. Bd8+ Kd7 $19) 0-1