test PGN import from position without initial FEN

src/test/scala/format/pgn/Fixtures.scala

@@ -980,6 +980,25 @@ val fromLichessBadPromotion = """
 1. c7 Rd6+ 2. Kb5 Rd5+ 3. Kb4 Rd4+ 4. Kb3 Rd3+ 5. Kc2 Rd4 6. c8=R Ra4 7. Kb3 *
 """
 
+val fromPositionEmptyFen = """
+[Event "Casual game"]                                                                                                                       
+[Date "2016.09.01"]                                                                                                                         
+[White "lichess AI level 4"]                                                                                                                
+[Black "victor946c"]                                                                                                                        
+[Result "0-1"]                                                                                                                              
+[WhiteElo "?"]                                                                                                                              
+[BlackElo "1500"]
+[PlyCount "164"]                                                                                                                            
+[Variant "From Position"]                                                                                                                   
+[TimeControl "-"]
+[ECO "?"]
+[Opening "?"]
+[Termination "Normal"]                                                                                                                      
+[SetUp "1"]
+[Annotator "lichess.org"]                                                                                                                   
+1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 { E34 Nimzo-Indian Defense: Classical Variation, Noa Variation } 5. Bg5 Bxc3+ 6. bxc3 dxc4 7. e3 b5 8. Nf3 O-O?! { (0.00 → 0.60) Inaccuracy. Best move was Bb7. } (8... Bb7 9. Qb2 Bxf3 10. gxf3 a6 11. a4 Nbd7 12. Bxf6 gxf6 13. f4 Rb8 14. axb5 axb5 15. Ra7) 9. a4 c6 10. axb5?! { (0.55 → 0.05) Inaccuracy. Best move was Be2. } (10. Be2 Bb7 11. Rb1 Nbd7 12. O-O Qc8 13. axb5 cxb5 14. Bxf6 Nxf6 15. Rxb5 Be4 16. Qb2 Bd3) 10... cxb5 11. Be2 h6? { (-0.29 → 1.62) Mistake. Best move was Bb7. } (11... Bb7 12. Nd2 h6 13. Bh4 Nbd7 14. O-O a5 15. h3 Qc8 16. Rfb1 Bc6 17. e4 a4 18. Bf3) 12. Bh4? { (1.62 → -0.26) Mistake. Best move was Bxf6. } (12. Bxf6 gxf6 13. Qe4 Qd5 14. Qg4+ Kh7 15. Ne5 Rg8 16. Qh4 fxe5 17. Bf3 Qd7 18. Bxa8 exd4) 12... a6 13. O-O Nbd7 14. Rfd1 Bb7 15. Ne5 g5 16. Bg3 Ne4 17. Bf3 f5 18. Ng6 Rf6 19. Ne5 Qe7 20. h3 Nxe5 21. dxe5 Rff8 22. Rd6 Nxg3 23. Bxb7 Qxb7 24. fxg3 Kf7 25. Qe2 Ke7 26. Qd1 Rfd8 27. g4 Rxd6 28. exd6+ Kf6 29. Kf2 Rd8 30. Qd2 Qd5 31. Ra2 Rxd6 32. Qd4+ Qxd4 33. cxd4 b4 34. Ra4 Rb6 35. Ke2? { (0.15 → -0.99) Mistake. Best move was h3. } (35. h3 Nxe5 36. Bxe5 a5 37. Qb2 Qe8 38. Rf1 Bc6 39. Ra2 Kh7 40. Rfa1 a4 41. Qb4 Rg8) 35... c3 36. Kd3 Ke7 37. Ra1 Kd6 38. Rb1?! { (-0.18 → -1.17) Inaccuracy. Best move was Bxe5. } (38. Bxe5 Rf7 39. Ra5 Rh7 40. Bxe4 Bxe4 41. Qe2 h5 42. f3 Bb7 43. e4 g4 44. Qe3 Rf8) 38... a5 39. gxf5? { (-1.16 → -2.48) Mistake. Best move was Bxe4. } (39. Bxe4 Bxe4 40. Qe2 a5 41. Rd6 a4 42. Qd1 Bd3 43. Qf3 Rfc8 44. Qh5 Kg7 45. h4 Qe8) 39... exf5? { (-2.48 → -0.25) Mistake. Best move was Nxd6. } (39... Nxd6 40. exd6 Qf7 41. Bxb7 Qxb7 42. Be5 a5 43. f4 Kh7 44. fxg5 hxg5 45. Rd1 Rad8 46. h4) 40. Ra1 Rb5 41. g3 Kd5?! { (-0.37 → 0.51) Inaccuracy. Best move was Rfe8. } (41... Rfe8 42. Qd1 Re7 43. g4 Qe4 44. Qd4 a5 45. gxf5 exf5 46. Rxh6 Qxe5 47. Rg6+ Kh7 48. Rxg5) 42. Rf1 Ke6?? { (0.23 → 5.13) Blunder. Best move was Qc8. } (42... Qc8 43. g4 Kg7 44. Rf1 Qe8 45. gxf5 exf5 46. Qf3 Qxe5 47. Qc6 Ra7 48. Rg6+ Kh8 49. Rxh6+) 43. Kc4?? { (5.13 → 0.10) Blunder. Best move was Qh5. } (43. Qh5 Qe4 44. Rad1 Qxe3+ 45. Kf1 Ra7 46. Re1 Qxe5 47. Rxe5 Kxd6 48. Re1 Rd7 49. Qg6 Re7) 43... Rd5 44. Ra1?! { (0.00 → -0.59) Inaccuracy. Best move was Qd4. } (44. Qd4 Rxd6 45. Qxd6+ Kf7 46. g4 Qd5 47. Qc7+ Kg8 48. gxf5 exf5 49. Qe7 a5 50. e6 Rf8) 44... c2?? { (-0.59 → 3.37) Blunder. Best move was Qa7. } (44... Qa7 45. Kh1 Qxe3 46. Raxa6 Qxe5 47. Rxe6+ Qxe6 48. Rxe6+ Kxe6 49. gxf5+ Kf6 50. Qh5 Kxf5 51. Kh2) 45. Rc1?? { (3.37 → 0.00) Blunder. Best move was Qxd6+. } (45. Qxd6+ Kf7 46. gxf5 Re8 47. fxe6+ Kg8 48. e7 Rxe7 49. Rxa6 Rg7 50. Qd8+ Kh7 51. Ra8 Qc7) 45... b3 46. Kxb3?! { (0.32 → -0.67) Inaccuracy. Best move was gxf5. } (46. gxf5 exf5) 46... Rb5+ 47. Kc3?! { (-0.90 → -1.85) Inaccuracy. Best move was gxf5. } (47. gxf5 exf5 48. Qh5 Kg7 49. Qd1 Qb6 50. d7 Qe6 51. Qd4+ Kf7 52. Rd1 a5 53. Qa7 Qc6) 47... a4?! { (-1.85 → -0.96) Inaccuracy. Best move was Qb6. } (47... Qb6 48. Rd1 f4 49. Ke2 fxe3 50. Qxe3 Rxd6 51. Rf1+ Ke7 52. Qf3 Rd3 53. Qf8+ Kd7 54. Rf7+) 48. Rxc2? { (-0.96 → -2.97) Mistake. Best move was Qxd5. } (48. Qxd5 exd5) 48... Kd5 49. g4? { (-2.97 → -4.00) Mistake. Best move was Qxd5. } (49. Qxd5 exd5 50. Ra1 fxg4 51. hxg4 Ke5 52. Ke1 Ke4 53. Ke2 Ke5 54. Kf3 Rc6 55. Ra2 Rf6+) 49... fxg4 50. hxg4?? { (-3.84 → -7.10) Blunder. Best move was exd4. } (50. exd4 fxg4) 50... Ke4 51. Ra2?? { (-6.69 → -10.84) Blunder. Best move was Ke2. } (51. Ke2 b3 52. Rb2 a5 53. Kd2 a4 54. Kc3 a3 55. Rb1 b2 56. g3 a2 57. Kxb2 axb1=Q+) 51... Rb3+ 52. Kc4 Rxe3 53. Rxa4 Rd3?? { (-10.53 → -4.87) Blunder. Best move was b3. } (53... b3 54. Ra1 c2 55. Rc1 b2 56. Kxc2 bxc1=R+ 57. Kxc1 Rb3 58. Kd2 Rb2+ 59. Ke1 Rxg2 60. Kf1) 54. Ra8 Rxd4+ 55. Kb3? { (-4.50 → -6.11) Mistake. Best move was Kc2. } (55. Kc2 Kd5) 55... Rd6 56. Rf8 Ke5 57. Rf2 Rd4 58. Rg2 Kf4 59. Ra2?! { (-4.64 → -5.48) Inaccuracy. Best move was Rh1. } (59. Rh1 Rb8 60. g4 f4 61. e4+ Kd6 62. h4 Rc8 63. hxg5 hxg5 64. Rh6+ Ke7 65. Rh1 a4) 59... Kxg4 60. Kc3? { (-4.96 → -7.24) Mistake. Best move was g4. } (60. g4 fxg4 61. hxg4 a4 62. Kc4 Rb7 63. Rh1 c2 64. Rxh6+ Kf7 65. Rh7+ Kg6 66. Rh1 Rc7+) 60... Rf4? { (-7.24 → -4.70) Mistake. Best move was Rb8. } (60... Rb8 61. Rc1 Rc8+ 62. Kb3 c2 63. Kb2 a4 64. Rxc2 Rxc2+ 65. Kxc2 a3 66. Kb3 Kd5 67. h4) 61. Ra6? { (-4.70 → -6.98) Mistake. Best move was g4. } (61. g4 fxg4 62. hxg4 Rd8 63. Kb3 Rc8 64. e4 c2 65. Rc1 Rc3+ 66. Kb2 a4 67. Rxc2 a3+) 61... h5?? { (-6.98 → -2.39) Blunder. Best move was Rd8. } (61... Rd8) 62. Ra2?? { (-2.39 → -6.50) Blunder. Best move was Kb3. } (62. Kb3 Rd8) 62... h4?? { (-6.50 → -0.84) Blunder. Best move was Rd8. } (62... Rd8 63. Kd3 b3 64. Kc3 a4 65. Kb2 Kd5 66. g4 f4 67. exf4 gxf4 68. h4 Kxd4 69. g5) 63. Rb2 Rf3+ 64. Kb4 Kg3 65. Ra2 g4 66. Kc4? { (-0.95 → -3.08) Mistake. Best move was Kd3. } (66. Kd3 a3 67. Kc3 Rb6 68. Ra2 Ra6 69. Kb4 Rb6+ 70. Kc3 Re6 71. Kd3 Ra6 72. g4 f4) 66... h3? { (-3.08 → -1.84) Mistake. Best move was f4. } (66... f4 67. exf4 Rb3+ 68. Kd2 gxf4 69. Rc5+ Kxd4 70. Rf5 Ke4 71. Ra5 Rd3+ 72. Ke1 a3 73. Ra6) 67. Ra1 Rf2? { (-1.71 → -0.47) Mistake. Best move was Rb3+. } (67... Rb3+ 68. Kd2 a3 69. Rc7 Ke4 70. Rc6 a2 71. Re6+ Kf3 72. Ra6 Rb2+ 73. Kc3 Re2 74. Kd3) 68. Kd4 Kg2 69. Ke4 g3 70. Ke5 h2 71. Ra5? { (-0.52 → -2.50) Mistake. Best move was Kc5. } (71. Kc5 Rd2 72. Ra6 Rc2+ 73. Kd6 Kxd4 74. Ke6 Ke4 75. Ra4+ Kf3 76. Kf5 Rc5+ 77. Kg6 Rc6+) 71... Kh3 72. Ra1?? { (-2.32 → -6.91) Blunder. Best move was Kc5. } (72. Kc5 Rd5+ 73. Kc4 Rd2 74. Ra6 Rh2 75. Rf6 Rh4 76. Ra6 Kf3 77. Kd5 Kxg4 78. Ke6 Rh3) 72... g2?? { (-6.91 → -2.79) Blunder. Best move was Kf3. } (72... Kf3) 73. Ra3+ Kg4? { (-3.21 → -1.69) Mistake. Best move was Ke3. } (73... Ke3 74. Kc2 Rd4 75. Rf6 Rxg4 76. Rxh6 Rh4 77. Rd6 g4 78. Rd3+ Ke4 79. Ra3 Rh3 80. Ra4+) 74. Re3? { (-1.69 → -2.82) Mistake. Best move was Rf1. } (74. Rf1 Rd4 75. Rg1 Re4 76. Kc3 Kf4 77. Rh1 Re6 78. Rg1 Re4 79. Rh1 Re6 80. Rg1 Kf3) 74... g1=Q 75. Re4+? { (-2.02 → -4.05) Mistake. Best move was Rh2. } (75. Rh2 Rxg4 76. Rxh6 Rh4 77. Rc6 g4 78. Kc2 Kf4 79. Kd3 Kf3 80. Rf6+ Kg2 81. Ke2 g3) 75... Kg5 76. Ke6?? { (-1.78 → -12.52) Blunder. Best move was Rh2. } (76. Rh2 Rd6 77. Rg2 Rd1 78. Rh2 Rd6 79. Rg2 Kf3 80. Rg1 Rd4 81. Rh1 Rxg4 82. Rh3+ Kg2) 76... Rf6+ 77. Ke7 Qc5+ 78. Kd8? { (-8.36 → -12.56) Mistake. Best move was Kd3. } (78. Kd3 h5 79. Rg2+ Kf5 80. Rh2 h4 81. Ke3 Kg4 82. Rg2+ Kh5 83. Rc2 Rf7 84. Ke4 h3) 78... Qd6+ 79. Kc8 Qc6+ 80. Kb8 Qxe4 81. Kc8 Qe7 82. Kb8 Rf8# { White is checkmated } 0-1
+"""
+
 val fromTcecWithEngineOutput = """
 [Event "nTCEC - Stage 2 - Season 2"]
 [Site "http://www.tcec-chess.net"]

src/test/scala/format/pgn/ReaderTest.scala

@@ -118,6 +118,11 @@ class ReaderTest extends ChessTest {
         case replay => replay.chronoMoves.size must_== 152
       }
     }
+    "from position empty FEN" in {
+      Reader.full(fromPositionEmptyFen) must beSuccess.like {
+        case replay => replay.chronoMoves.size must_== 164
+      }
+    }
     "preserves initial ply" in {
       Reader.full(caissa) must beSuccess.like {
         case replay =>