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* copy project root files

* import previously created code and rename where needed

* fix license and lint

* main is now just a JS wrapper

* minified main.cjs rather than copying to a newly named file
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Owen Rees
2026-05-28 12:35:03 +02:00
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test/pgn_examples/1.pgn
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[Event "URS-chJ"]
[Site "Kherson"]
[Date "1991.??.??"]
[Round "?"]
[White "Ibragimov, Ildar"]
[Black "Kramnik, Vladimir"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2455"]
[BlackElo "2480"]
[PlyCount "110"]
[EventDate "1991.??.??"]
[Source "ChessBase"]
1. d4 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6} d6 2. c4 f5 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nc3 Qe8 8. b3 Na6 9. Ba3 c6 10. Qd3 Rb8 11. e4 fxe4 12. Nxe4 Bf5 13. Nxf6+ Bxf6 14. Qd2 Nc7 15. Rae1 Qd7 16. h4 b5 17. Re3 bxc4 18. bxc4 Bh3 19. Rfe1 Bxg2 {last book move} 20. Kxg2 Qf5 21. Re4 Rbe8 22. Rf4 Qc8 23. Qa5 d5 24. cxd5 Nxd5 25. Rfe4 {e7 seems the pivot of the position} Qf5 26. Qd2 ( 26. Qxa7$4 {taking the pawn is naive} Qxf3+ {Annihilates a defender: f3} 27. Kxf3 Bxd4+ 28. Kg4 Bxa7 29. Bxe7 Rxf2$19 ( 29... Rxe7 30. Rxe7 Bxf2 31. a4$19 ) ( 29... Nxe7$6 30. Rxe7 Rxe7 31. Rxe7 Bxf2 32. a4$19 ) ) Bg7 27. Nh2 Rf7 28. Bc5 {The white bishop on an outpost} Qd7 29. a4 Nf6 30. Re5 Nd5 31. R5e4 ( 31. R5e2 Rb8$14 ) Nf6$11 32. Re5 Kh8 ( 32... Nd5 33. R5e2$14 ) 33. Kg1 Nd5 {A valuable piece} 34. R5e2 a6 35. Qd3 Qh3 ( 35... Ra8$14 ) 36. Nf3 ( 36. Qxa6 Ref8 37. Qa5$14 ( 37. Qxc6 Rxf2 38. Rxf2 Qxg3+ 39. Kh1 Rxf2 ( 39... Qxf2$6 40. Rf1 Qa2 41. Rxf8+ Bxf8 42. Kg1$11 ) 40. Qa8+ Bf8 41. Qxf8+ Rxf8 42. Re2 Rf2 43. Rxf2 Qxf2 44. Ng4 Qf1+ 45. Kh2 Nf4 46. Ne3 Qf2+ 47. Kh1 Qxh4+ 48. Kg1 Qg3+ 49. Kf1 Qxe3 50. Bb6 Qe2+ 51. Kg1 Qg2# ) ( 37. Bxe7$4 {White will choke on that pawn} Rxf2 ( 37... Nxe7$6 38. Rd1$19 ) 38. Rxf2 Qxg3+ 39. Kh1 Rxf2 ( 39... Qxf2 40. Re2 Qxd4 41. Bxf8 Qd1+ 42. Kg2 Nf4+ 43. Kf3$11 ) 40. Qc8+ Bf8 41. Bf6+ Nxf6 42. Qxf8+ Ng8 43. Qxf2 Qxf2$19 ) ) Nf4$15 {Do you see the mate threat?} 37. gxf4 Rxf4 {The mate threat is Rg4} 38. Ne5 ( 38. Re4$5 {is worthy of consideration} Qg4+ 39. Kf1 Rxf3 40. Rxg4 Rxd3 41. Re6$15 ) Rg4+$1$17 {keeping the advantage} 39. Nxg4 {Theme: Deflection from d3} Qxd3 40. Re4 Qf3 41. Nh2 Qf5 42. Bxe7 ( 42. Kg2 Rf8 43. f3 Bf6$19 ) Kg8 43. f3 ( 43. R1e3 Qd5$19 ) Qh3$19 44. R1e2 ( 44. Kh1$19 ) Qg3+ 45. Rg2 Bxd4+$1 {a devastating blow} 46. Kh1 ( 46. Rxd4 {A deflection} Qe1+ {Theme: Double Attack} ) Qh3 47. Rgg4 ( 47. a5 Bc3$19 ) c5 48. h5 ( 48. Re1 {does not improve anything} Bf6 49. Rge4 Bxe7 50. Rxe7 Rxe7 51. Rxe7 Qxh4$19 ) Rb8 49. Re1 Be5 50. Rh4 Qf5 51. hxg6 hxg6 52. Re2 ( 52. Bxc5 {doesn't change the outcome of the game} Bg3 53. Rb4 Rc8$19 ( 53... Bxe1$6 {is clearly worse} 54. Rxb8+ Kh7 55. Rb7+ Kh8 56. Rb8+ Kg7 57. Rb7+ Kf6 58. Ng4+ Kg5 59. Be3+ Kh4 60. Kg2 Qc2+ 61. Nf2$15 ) ( 53... Qxc5$6 {is much worse} 54. Rxb8+ Bxb8 55. Re8+ Kf7 56. Rxb8$19 ) ) Rb1+ ( 52... Qb1+$5 {keeps an even firmer grip} 53. Kg2 Rb2 54. Rxb2 Qxb2+ 55. Kg1$19 ) 53. Kg2 Bd4 54. Ng4 ( 54. Rxd4 {no good, but what else?} cxd4 55. Ng4$19 ) Rg1+ 55. Kh2 ( 55. Kh3 {doesn't do any good} Qxf3+ 56. Kh2 Rh1# ) Qf4+ ( 55... Qf4+ 56. Kh3 Qg3# ) 0-1