[Event "Computer chess game"]
[Site "OMPERICIAS-PC"]
[Date "2021.07.16"]
[Round "?"]
[White "Fidelity Elite Avantgarde V10"]
[Black "Avantgarde V10 - Emulation"]
[Result "1/2-1/2"]
[ECO "B31"]
[Annotator "Tactical Analysis 4.1 (5s)"]
[PlyCount "153"]
[EventDate "2021.??.??"]
{[%evp 17,153,36,31,0,0,0,20,35,25,-4,0,-12,65,-53,36,-97,-14,-158,-1,-20,-31,
-40,0,-36,0,0,0,-49,0,0,0,0,7,5,163,118,219,172,180,151,152,150,155,155,155,92,
94,91,124,90,176,166,163,154,168,166,172,69,126,137,133,134,159,103,116,0,0,0,
0,0,0,-57,-58,-131,-14,-131,-58,-270,-241,-422,-3,-246,-132,-280,0,-390,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,0,0,0,
0,0,0,0,0,0,0,0,-15,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6.
Bxc6 dxc6 7. d3 Qe7 8. Nbd2 {8.a4 injects fresh life into this line.} Nh6 9.
Nc4 f6 10. b4 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} cxb4 11. a3 O-O (11... b3 $5)
12. axb4 Be6 13. Nfd2 Rfd8 14. Ba3 {[#]} b5 $146 ({Predecessor:} 14... Qc7 15.
Qe2 Nf7 16. Reb1 Bf8 17. Nb3 Nd6 18. Nxd6 Bxd6 {1/2-1/2 (18) Graudins,I (2452)
-Gutop,Y (2520) ICCF email 2000}) 15. Ne3 (15. Na5 $5 {[%CAl Ra5c6]}) 15... Rd6
16. Qf3 Rad8 17. Qg3 R6d7 $2 {[#]} ({Black should try} 17... f5 $17 {Strongly
threatening ...f4.} 18. exf5 gxf5) 18. Nf3 Nf7 {Hoping for ...f5.} 19. Qh4 Qf8
20. Ng4 Nh6 21. Nxh6+ Bxh6 22. Reb1 Kh8 23. Bc1 Bxc1 24. Rxc1 g5 25. Qg3 Bf7 $2
(25... Rg7 $11) 26. Rcb1 Qg8 27. h3 Ba2 28. Rb2 Be6 29. Ra6 Rc7 30. Nh2 Qg7 31.
Ng4 Bc8 32. Ra5 Be6 33. Qf3 Rf8 34. Ne3 Qd7 35. Ra6 Qc8 36. Ra3 Qd7 37. Nf5 c5
38. bxc5 Rxc5 39. Ne3 Qc7 40. Ra1 a5 41. Nd5 Bxd5 42. exd5 b4 43. Rba2 Qd8 44.
Ra4 Rxd5 ({Don't take} 44... Rxc2 45. d4 $17) 45. Qg4 Rf7 46. R1a2 Rc5 47. Qe4
$2 ({White has to play} 47. Qe6 $15 Kg7 48. Qa6) 47... Rd7 $19 48. Qe1 $2 (48.
Qf5 Rdd5 49. Qe6) 48... Rg7 $2 (48... Kg7 $19 {...Rd4 is the strong threat.}
49. Rb2 Rdc7) 49. Qe4 (49. Qa1 $11 {and White is okay.}) 49... Re7 50. Qg4 Rd7
$2 (50... Kg7 $19 {Threatens to win with ...Rec7.} 51. Qe4 Qc7) 51. Qe4 $2 {
[%mdl 8192]} (51. Rxa5 $11 {and White has nothing to worry.} Rxa5 52. Rxa5)
51... b3 $2 (51... Rd4 $19 52. Qf3 e4 53. dxe4 Kg7) 52. cxb3 $11 {The position
is equal.} Rxd3 53. b4 Rd4 54. bxc5 {[#] Black must now prevent Rxd4.} Rxe4 55.
Rxe4 {[%mdl 4096] Endgame KQ-KRR} Qd5 56. Rea4 Qxc5 57. Rxa5 Qc1+ 58. Kh2 {
And now Ra7 would win.} Kg7 59. R5a4 h5 60. g4 Kg6 61. Kg2 Qd1 62. Ra1 Qd5+ 63.
Kg1 Qf3 64. R1a3 Qe2 65. gxh5+ Qxh5 66. Ra7 Qd1+ 67. Kh2 Qe2 68. Kg2 Qe4+ 69.
Kh2 Qf4+ 70. Kg2 e4 71. Rc3 Kh6 72. Rac7 e3 (72... Qd2 {keeps more tension.}
73. Rc8 Kg7 74. R8c4 Kg6 75. Rc8 Qd1) 73. fxe3 Qe4+ 74. Kh2 Qe5+ 75. Kg2 Qe4+
76. Kf2 Qh4+ 77. Kg2 {Never resign too early! Weighted Error Value: White=0.
67/Black=0.63} 1/2-1/2