[Event "Campionato Provinciale MI"]
[Site "Milano"]
[Date "2012.01.22"]
[Round "3"]
[White "Pardi, Rodolfo"]
[Black "Tannoia, Rocco"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1637"]
[BlackElo "1686"]
[Annotator "Pardi,Rodolfo"]
[PlyCount "157"]
[EventDate "2012.01.22"]
[TimeControl "90+30"]

1. Nc3 {Dunst opening} d5  2. e4  dxe4 {declined} 3. Nxe4  Bf5  4. Ng3 {(Fritz d3) } Bg6  5. Nf3 {(F d4) } 
(5. d4 {Fritz } h5  6. Nf3  h4  7. Ne2 ) 
5... e6 {(c5) } 6. Bb5+ {(Fritz d4, Ne5 to capture Bg6 and lose the Bishops pair) }
(6. Ne5 Nd7  7. Nxg6  hxg6  8. d4  Ngf6  9. Bg5  c6  10. Be2  Be7  
11. Qd2 a5 {equalized, but White doesn't know which side to castle }) 
6... c6  7. Ba4 {(F Ae2) } Bd6 {(F b5) } 
8. Bb3 {three moves with the same piece, no plan! (Fritz d4 who knows why again) } 
Nf6 {(F a5) } 9. d3 {to develop Bc1, and be sustained by c2 (F d4, still) } Nbd7 {(-0,34) } 
10. a3 {to avoid Bb4+ , and still don't know which side to castle (F 0-0) } 
(10. O-O {Fritz } a5  11. c3  Nc5  12. d4 Nd3  13. Bc2  Nxc1  
14. Qxc1  O-O  15. c4  Ng4  16. Bxg6  hxg6  17. h3 {= even if White looks better })

10... h6 {(F a5) } 11. Be3 {(F h3) } Nd5
  
12. Bd2 {(while Fritz Bxd5.However no more Bishop pair, better was to leave Bishop where it was and move another piece) } 
(12. Bxd5 {Fritz } cxd5 {toward center} 13.O-O  O-O  14. Kh1  f5 } 15. Bd2  f4  16. Ne2 {defending, -1,0 }) 
12... Qc7 {(F a5) } 
13. O-O {-0,13} N7f6 {(F b5) } 14. Nh4 {(F c4) } Bh7 {equalized } 15. Re1 {then Nf5 with Pawn pinned. (Fc4) } O-O-O {(F 0-0) } 
16. c4 {? at last and at the wrong moment. Trying to advance pawns (F Nf3)} 
(16. Nf3 {Fritz } a6  17. Ne4  Bf4  18. g3  Nxe4  19. dxe4  Bxd2  20. Qxd2 Nf6  21. Qe3 ) 
16... Nf4 {-1,44 attacks twice d3 defended by 0 } 17. Bxf4 {seems the best (F d4, but then Nd3 attacks b2 and Re1 undefended) } 
(17. d4 {Fritz  c5  18. Bc2  g5  19. Nf3  g4  20. Ne5  Bxe5  21. dxe5  Qc6 {mate threat } 22. f3  gxf3  
23. Rf1  Ng4  24. Qxf3  Qxf3  25. Rxf3 Ne2+  26. Nxe2  Rxd2  27. Bxh7
 Rxh7  28. Nf4 {-1,40 }) 17... Bxf4  18. Bc2 {-2,77. defends (F d4) time left 1,03-1,28 } Rd7 {to double (Fg5) } 
19. a4 {to bring Ra1 to defend (F Cf3) } Rhd8 {(F g5) } 20. Ra3 {(F Cf3)
} Bxg3 {at last (Fg5) } 21. fxg3 {F hxg3. Tempting, but the Rooks might enter file h} 
(21. hxg3 {Fritz } e5  22. Qf3  Qa5 {[%emt 0:00:10]} 23. Rc3  Qb4 {[%emt 0:00:10]} 24. Rb1
 Qe7  25. Nf5  Bxf5  26. Qxf5  g6  27. Qf3 
a5  28. Rb3  Rd4  29. Qe3  e4  30. Qd2  Qd6  31. Rd1  Rxc4  32. Qc1 
Rd4  33. Qd2  Qc5  34. Qe2  h5 {-1,50 }) 21... g5 {he had to do that before (F Qb6+ and gains a pawn. 
Wondering why Black did not play this. } 22. Nf3  Ne4 {d3 is pinned. Threat is then Db6+ following a fork in f2, or mate (Fb6+) } 
23. Kf1 {(F h5! a impedire) } Nc5 {attacked 4 times, defended 3 (Fg4) } 
24. Ne5 {to defend, and attack Td7 (F d4)} Rd4  25. Re3 {attacked 4 times, defended 5 (F Qh5) } f6 {(F D B6) } 
26. Nf3 {-0,73, not dramatic } Qd7 {? 1st error by Black (F Rxc4) } 27. Nxd4 {quality (F b4) } Qxd4 {-0,11 } 
28. Rc3 {? seeing only threat Qxb3 capturing then a4, and not Re3 en prise }

(28. Qe1 {Fritz } e5  29. b4  Na6  30. Rf3  Qb2  31. Rc3  Nxb4  32. Bb1  Rd6  33. c5  Rd8  34. Qc1 Qa1  35. a5  Qxa5 {-0,47 }) 
(28. Rf3 {Rodolfo } Qxb2  29. Ra1 Bxd3+  30. Bxd3  Rxd3  31. Qe1  Rxf3+  32. gxf3  g4  33. fxg4  Qxh2  
34. Ra3  Qh1+  35. Kf2  Ne4+  36. Ke2  Qg2+  37. Kd3  Kd8  38. a5  Qb2  39. Qa1 
Nf2+  40. Ke3  Qxa1  41. Rxa1  Nxg4+  42. Kf4 {equalied, mah ? }) 
28... Qxe3 {-4,50 , Black waits  for White to resign, and relaxes} 29. d4 {three attacks. Fritz moves so}
Qxd4 {? bad counting. 2nd error by Black. Bxc2 does not lose a piece} 
(29... Bxc2 {! Fritz } 30. Rxe3  (30. Qxc2  Qxd4 {-12,2 }) 
30... Bxd1  31. dxc5  e5 {-5,90 great advantage by Black }) 
30. Qxd4 
 (30. Qe2  Bxc2  31. Rxc2  Ne4  32. g4  Nd2+  33. Ke1  Qg1+ 34. Qf1  Qxf1# ) 
30... Rxd4  31. Bxh7 {obviously. -2,59. } Nxa4  32. Rc2 {Trying to defend both pawns (F Re3) } f5 {to block Bishop (F Rd1+) } 
33. Bg8 {(F Re2)} 
(33. Re2 {Fritz but no hope } Nc5  34. Re5  Rxc4  35. g4 fxg4  36. b4  Nd7  
37. Rxe6  Rxb4  38. Rxh6  a5 } 39. Kf2  a4  40. Bg8  Rb2+  41. Ke3  a3  42. Rh8  Kc7  43. h4  a2  
44. Bxa2  Rxa2  45. hxg5  Ne5  46. Rh7+  Kd6  47. Rxb7  Rxg2  48. Rb4  Ng6 
49. Rd4+  Kc5  50. Rd1  Rg3+  51. Ke4  Rf3  52. Rd8  Rf4+  53. Ke3  Rf5  54.
Rd1  Rxg5  55. Rc1+  Kb5  56. Rb1+  Kc4  57. Rc1+  Kd5  58. Rd1+  Kc4 
59. Rc1+  Kb4  60. Rxc6  g3  61. Rc1  g2  62. Rg1  Nh4  63. Rb1+  Kc3  64.
Rg1  Rf5  65. Ke2  Kc4  66. Rc1+  Kd5  67. Rg1  Kd4  68. Rd1+  Ke5  69.
Rg1  Ke4  70. Re1  Nf3  71. Rb1  Nd4+  72. Kd2  Rf1  73. Rb8 )
33... Kd7 34. Bf7 {to escape (F Kg1) } Nc5 {-2,91 (F Rd1+) 
} 35. Bh5 {(F Ke2) } Ne4 {(F a5) } 36. b3 {(F Ke1)
} Nd2+ {-3,76 Fork} 37. Ke1 {(F Ke2) } 
(37. Ke2 {Fritz } Nxb3  38. h3  a5 39. g4  f4 ) 
37... Nxb3 {obviously } 38. Be2 {out (F Ra2) time left 39-88 minutes} Nc5 {
(a5) } 39. h3 {(F Ra2) } Nd3+ {(Fa5) } 
40. Kf1 {! going at a distant opposition to Knight, it takes 5 moves to the Knight to check again!).
 Be2 controls d1 (F Bxd3, to lose immediately) }
a5 {? too late. 3rd error  by Black (F Nb4) } 
41. Rd2 {! obviously, pins Knight, and back in the game!, -0,90 } 
c5 {(F Rxc4, Knight is lost) equalized } 42. Bxd3 {and Rook cannot move horizontaly} Kd6  
43. Ke2 {to sustain Bishop} Ke5 {(F b6) }

44. Rb2 {so to be played. A Draw was agreed } 
(44. Ra2 {Black, angry as he thought White had to resign, asked for a draw. Fritz  evaluation is 0,00. 
As time remaining was 30-85 minutes, and White did not feel like playing two more hours, White accepted the Draw offer.
Spectators estimated a win for White. Here follows game as played by Fritz. } b6 {Fritz } 45. Ke3  Kf6  
46. Rb2  f4+  47. gxf4  gxf4+  48. Ke2  Rd6  49. g3 
fxg3  50. Be4  Rd4  51. Bc6  Rxc4  52. Rxb6  a4  53. Kf3  Rc3+  54. Kf4 
Rb3  55. Ra6  a3  56. Bd5 {
} Rd3  57. Rxe6+  Kf7  58. Bc4  Rd4+  59. Re4+  Kf6  60. Rxd4  cxd4  61. Kxg3
 Ke5  62. Kf3  h5  63. Ba2  h4  64. Ke2  Ke4
 65. Bg8  d3+  66. Kd2  Kf3  67. Kxd3  Kg3 
68. Be6  a2  69. Bxa2  Kxh3  70. Bd5  Kg3  71. Be6  Kf4  72. Bh3  Kf3  73.
Bc8  Kg3  74. Ke3  Kh2  75. Kf2  h3  76. Bxh3  Kxh3 ) 44... Rd8  45. Rxb7 
Ra8  46. Rc7  Kd6  47. Rb7  Ke5  48. Bb1  a4  49. Kd3  h5  50. Kc3  a3  51. Ba2  h4 
52. gxh4  gxh4  53. Rb5  Kd6  54. Rb6+  Kd7  55. Kb3  Rg8  56. Kxa3  Rxg2  57. Bb1  Rg3+  58. Rb3  f4  59.
Rd3+  Rxd3+  60. Bxd3  Kd6  61. Be2  Ke5  62. Bg4  Kd4  63. Bxe6  f3  64.
Bd5  f2  65. Bg2  Kxc4  66. Ka4  Kd3  67. Kb5  Ke2  68. Kxc5  f1=R  69.
Bxf1+  Kxf1  70. Kd4  Kg2  71. Ke4  Kg3  72. Ke3  Kh2  73. Kf2  Kxh3  74.
Kg1 {white King, reaching g1, does not allow Black to conquer critical square g2, therefore it's a draw!} Kg3  
75. Kh1  h3  76. Kg1  h2+  77. Kh1 Kf4  78. Kg2  h1=Q+  79. Kxh1 {and so on. Theoretical Draw, but only if played well.} 1/2-1/2

[Event "Live Chess"]
[Site "Chess.com"]
[Date "2012.04.14"]
[Round "9"]
[White "jotoo"]
[Black "lapaget"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1493"]
[BlackElo "1663"]
[Annotator "Pardi,Rodolfo"]
[PlyCount "124"]
[EventDate "2012.04.14"]
[TimeControl "30"]

1. f4 d5 2. Nf3 Nf6 3. e3 Nc6 4. a3 Bg4 5. Be2 e6 6. O-O Bf5 7. Ne5 Nxe5 8.
fxe5 Ne4 9. d3 Nc5 10. b4 Nd7 11. Bb2 Qg5 12. Qc1 Bg6 13. Nc3 Nxe5 14. Nb5 Bd6
15. Nxd6+ cxd6 16. Rf4 O-O 17. Qf1 Rac8 18. Rc1 a6 19. Qf2 Bh5 20. h4 Qg6 21.
Bxh5 Qxh5 22. Rf1 Rc7 23. Qg3 f6 24. Qh3 Re7 25. g4 Qe8 26. h5 Nf7 27. Qg3 e5
28. R4f2 Ng5 29. Rf5 Ref7 30. Qh4 Qc8 31. R1f2 Qc7 32. Bc1 Qc3 33. e4 dxe4 34.
Bxg5 fxg5 35. Qxg5 Rxf5 36. Rxf5 Qe1+ 37. Kg2 Qe2+ 38. Kh3 Rxf5 39. Qxf5 Qf3+
40. Qxf3 exf3 41. Kg3 f2 42. Kxf2 Kf7 43. Kf3 Kf6 44. c3 d5 45. c4 dxc4 46.
dxc4 Ke6 47. Ke4 g6 48. a4 gxh5 49. gxh5 b6 50. c5 b5 51. axb5 axb5 52. c6 Kd6
53. c7 Kxc7 54. Kxe5 Kd7 55. Kf6 Ke8 56. Kg7 Ke7 57. Kxh7 Kf7 58. Kh6 Kf6 59.
Kh7 Kf7 60. Kh8 Kf8 61. h6 Kf7 62. h7 Kf8 { go back to move 54 } 1/2-1/2

[Event "Vienna"]
[Site "Vienna AUT"]
[Date "1882.05.31"]
[EventDate "1882.05.10"]
[Round "17"]
[Result "1/2-1/2"]
[White "Alexander Wittek"]
[Black "Henry Edward Bird"]
[ECO "B46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "132"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Bb4
7. O-O Bxc3 8. bxc3 Nge7 9. Nxc6 bxc6 10. Qd6 O-O 11. Ba3 Re8
12. Rab1 a5 13. Rfd1 Ng6 14. c4 e5 15. Rb3 Nf4 16. Bf1 Re6
17. Qc5 h5 18. g3 a4 19. Rbb1 Qg5 20. Rd6 h4 21. Bc1 hxg3
22. hxg3 Qf6 23. Ba3 Ng6 24. Bh3 Rxd6 25. Qxd6 Qxd6 26. Bxd6
f6 27. c5 Kf7 28. Rb6 Ke8 29. Bf1 Nh8 30. Bc4 Nf7 31. a3 Ng5
32. Bd3 Ne6 33. c3 Ra5 34. Rb8 Kd8 35. Kf1 Nc7 36. Ke2 Ra7
37. Rb1 Ba6 38. Rb8+ Bc8 39. f4 exf4 40. gxf4 Rb7 41. Bxc7+
Kxc7 42. Rxc8+ Kxc8 43. Ba6 Kc7 44. Bxb7 Kxb7 45. Kf3 Kc7
46. f5 d6 47. Kg4 d5 48. exd5 cxd5 49. Kh5 Kc6 50. Kg6 Kxc5
51. Kxg7 Kc4 52. Kxf6 Kxc3 53. Ke5 d4 54. f6 d3 55. f7 d2
56. f8=Q d1=Q 57. Qb4+ Kd3 58. Qd4+ Ke2 59. Qxd1+ Kxd1 60. Kd4
Kd2 61. Kc4 Kc2 62. Kb4 Kd3 63. Kxa4 Kc4 64. Ka5 Kc5 65. Ka6
{ White is not able to reach critical square b7, it's a draw }
Kc6 66. a4 Kc7  { go back to move 63 } 1/2-1/2

[Event "Leipzig"]
[Site "Leipzig GER"]
[Date "1877.07.18"]
[EventDate "1877.-.-"]
[Round "5"]
[Result "0-1"]
[White "August Wilhelm Franke"]
[Black "Ernst Flechsig"]
[ECO "C33"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "104"]

1. e4 e5 2. f4 exf4 3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Qxe4+
Be7 7. Bxg8 Rxg8 8. Nf3 Qh5 9. d4 Kd8 10. Re1 Re8 11. Bxf4 d6
12. Nc3 Bd7 13. Kd2 Bh4 14. Qxb7 Bxe1+ 15. Rxe1 Bc6 16. Rxe8+
Qxe8 17. Bg5+ Kd7 18. Qb3 Bxf3 19. gxf3 Nc6 20. d5 Ne7
21. Qb5+ Kd8 22. Qb7 Kd7 23. Bxe7 Kxe7 24. Qxc7+ Qd7 25. Qxd7+
Kxd7 26. Ne4 Rf8 27. Ng3 Rxf3 28. Ke2 Rf4 29. c3 Rh4 30. Nf1
Ke7 31. Kf3 Kf6 32. Kg3 Re4 33. Kf3 Ke5 34. Ne3 Rf4+ 35. Kg3
g5 36. c4 h5 37. b3 Ke4 38. Nd1 Rf3+ 39. Kg2 g4 40. b4 Kd4
41. c5 Kxd5 42. cxd6 Kxd6 43. Nf2 Ra3 44. h3 Rxa2 45. hxg4
hxg4 46. Kg3 Rxf2 47. Kxf2 Kd5 48. Kg3 Kc4 49. Kxg4 Kxb4
50. Kf4 a5 51. Ke3 Kb3 52. Kd2 Kb2 { Black reaches critical square b2 and wins } 0-1

[Event "GameKnot Blitz"]
[Site "http://gameknot.com/"]
[Date "2015.06.11"]
[Round "-"]
[White "jacques1959mouf"]
[Black "lapaget"]
[Result "1/2-1/2"]
1. d4 Nf6 2. e3 d5 3. Nf3 Bg4 4. h3 Bh5 5. c3 Nc6 6. Nbd2 a6 7. Bd3 e6 8. O-O Ne7 9. Re1 Ng6 
10. a3 Bd6 11. b3 Ne7 12. Bb2 Ne4 13. Nxe4 dxe4 14. Bxe4 Nd5 15. c4 f5 16. Bd3 Nf6 17. Be2 Ne4 18. b4 c6 
19. Rc1 f4 20. c5 Bc7 21. d5 fxe3 22. fxe3 Bg3 23. Rf1 Rg8 24. dxe6 Qxd1 25. Rcxd1 Rd8 26. Bc4 Rxd1 
27. Rxd1 Bf2+ 28. Kf1 Bxe3 29. e7 Ng3+ 30. Ke1 Bf7 31. Bxf7+ Kxf7 32. Rd7 Nf5 33. Ne5+ Ke8 34. Rxb7 Nh6 
35. Rb8+ Kxe7 36. Rxg8 Nxg8 37. Nxc6+ Kf7 38. Nb8 a5 39. Na6 axb4 40. axb4 Ne7 41. Ke2 Bg1 42. g4 g6 
43. Bc3 Nd5 44. Bd2 h5 45. gxh5 gxh5 46. c6 Bb6 47. b5 Ke6 48. h4 Nc7 49. Nxc7+ Bxc7 50. Be3 Kd5 
51. Kd3 Bd6 52. Bf2 Be5 53. Be3 Bg3 54. Bg5 Kc5 55. Ke4 Kxb5 56. Kd5 Kb6 57. Bd8+ Bc7 58. Bg5 Bg3 
59. Bd8+ Bc7 60. Bg5 Bg3 61. Bd8+ Bc7 62. Bxc7+ Kxc7 63. Ke5 Kxc6 64. Kf5 Kd7 65. Kg5 Ke7 66. Kxh5 Kf7 
67. Kh6 Kg8 68. h5 Kh8 69. Kg6 Kg8 70. h6 Kh8 71. h7 1/2-1/2

Theoretical draw

Pattern # 18 This technique is explained in ebook Fundamental Chess Patterns

In King vs. King + Pawn games, when the Pawn is a Rook pawn, if the player with the pawn is able to occupy the square on the 7^th rank of the Knight file, he wins.
If the opponent does not allow this, reaching the 8th rank of the Knight file, it's a draw.

Additional different patterns can be found on this page of mine: Patterns

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