[Event "chess-insights.com"]
[Site "?"]
[Date "2018.04.03"]
[Round "?"]
[White "Queen"]
[Black "Rook"]
[Result "1-0"]
[SetUp "1"]
[FEN "3k4/5Q2/1r6/3K4/8/8/8/8 w - - 0 1"]
[PlyCount "25"]
[EventDate "2018.04.03"]
[SourceDate "2018.04.03"]

{go to move 12 for Philidor Position.}

{Starting here not all moves are obvious. Especially the first move may be difficult to find
on your own.} 
1. Qf4 {this queen move leaves the black rook with no safe
squares on the third rank. Therefore it forces the king to move.} Kd7 2. Qa4+
Kc7 {Kd8 fails to the skewer Qa5} 
3. Qa7+ {This move forces the black rook to
the second rank. The third-rank defence now changes to a second-rank defence.}
Rb7 
4. Qc5+ {Now White will chase the black king onto the last rank and into
the corner.} Kb8 
5. Kd6 {A move like Kc6 would have lost the queen. In this
kind of positions, you'll want to watch out for stalemate as well.} Rg7 
6. Qb4+
{White wants to win the rook, or chase the king into the corner} Rb7 
7. Qe4 {
Now White harasses the rook, so his king can eventually go to the best
possible square c6.} Rb6+ 8. Kc5 Ka7 
9. Qd4 {how to break down the second-rank
defence} Rb7 10. Kc6+ Ka8 11. Qd5 Kb8 
12. Qa5 {White has achieved a winning Philidor position. Black can't prevent the loss of his rook because of all the
possible double attacks.} 
Ra7 {1} 
(12... Rc7+ {2} 13. Qxc7+ Ka8 14. Qb7#) 
(12... Rd7 {3} 13. Kxd7 {without stalemate} Kb7 14. Kd6 Kb8 15. Kc6 Kc8 16. Qc7#) 
(12... Re7 {4} 13. Qd8+ Ka7 14. Qxe7+) 
(12... Rf7 {5} 13. Qb4+ Kc8 (13... Ka8
14. Qa3+ Kb8 15. Qb3+) 14. Qd6 {Now the black king can't move and when the
rook moves there are two options. When the rook moves along the seventh rank,
the mating idea is Qf8. If the rook moves away from the seventh rank, black
will be mated with Qc7#}) 
(12... Rg7 {6} 13. Qe5+) 
(12... Rh7 {7} 13. Qe5+ Ka8 14. Qa1+ Kb8 15. Qb1+) 
(12... Rb3 {8} 13. Qe5+ Ka7 14. Qg7+ Ka8 (14... Ka6 15.
Qa1+ Ra3 16. Qxa3#) 15. Qg8+ Rb8 16. Qa2#) 
(12... Rb2 {9} 13. Qe5+) 
(12... Rb1 {10} 13. Qe5+ Ka7 14. Qd4+ Ka8 15. Qh8+ Ka7 16. Qh7+) 
(12... Kc8 {11} 13. Qa6)
(12... -- {WHITE TO MOVE} 
13. Qe5+ Kc8 
(13... Rc7+ 14. Qxc7+) 
(13... Ka8 14. Qa1+ Kb8 15. Qa5 {White has succesfully transferred the move to Black.  Now
it's Black's move in the Philidor Position and  he will lose the rook.}) 
14. Qe8#) 
13. Qd8# 1-0

[Event "GameKnot Blitz"]
[Site "http://gameknot.com/"]
[Date "2016.07.29"]
[Round "?"]
[White "mcclurga"]
[Black "lapaget"]
[Result "1-0"]
[PlyCount "229"]
[EventDate "2016.??.??"]

{go to move 70}

1. e4 d5 2. exd5 Nf6 3. d4 Qxd5 4. c3 e6 5. Qf3 Bd6 6. Bg5 Qxf3 7. Nxf3 Be7 8.
Nbd2 h6 9. Bh4 Nbd7 10. Bg3 c6 11. Ne5 Nxe5 12. Bxe5 O-O 13. g3 Ng4 14. Bf4 Nf6
15. Bg2 Nh5 16. Be3 Bd6 17. O-O Bd7 18. f4 f5 19. Nc4 Bc7 20. Ne5 Be8 21. b4 a6
22. a3 Kh7 23. Bf3 Nf6 24. Kg2 Nd5 25. Bxd5 cxd5 26. Nd3 Bb5 27. Rfd1 b6 28.
Nb2 Be2 29. Rd2 Bb5 30. a4 Be8 31. Nd3 Bd6 32. Rda2 Rc8 33. Bd2 Bc6 34. a5 bxa5
35. Rxa5 Bb5 36. Nc5 Bc7 37. R5a3 Rf7 38. Nxa6 Bxa6 39. Rxa6 Rf6 40. Rc6 g5 41.
Raa6 gxf4 42. Bxf4 Bxf4 43. Rxc8 Bd2 44. Ra7+ Kg6 45. Rg8+ Kh5 46. Rc7 f4 47.
g4+ Kh4 48. h3 f3+ 49. Kf2 Kxh3 50. b5 Bf4 51. Rd7 Bg3+ 52. Kf1 Bf4 53. b6 Bd2
54. Rc7 Bf4 55. Rd7 Bd2 56. b7 Bxc3 57. b8=Q Bxd4 58. Rh7 Be3 59. Rgh8 Kxg4 60.
Qg8+ Kf5 61. Rxh6 Bxh6 62. Rxh6 Rxh6 63. Qf7+ Rf6 64. Qh5+ Ke4 65. Qg4+ Rf4 66.
Qxe6+ Kd4 67. Kf2 Re4 68. Qb6+ Ke5 69. Kxf3 Rf4+ 70. Kg3 Re4 71. Qb2+ Kd6 72.
Kf3 Ke6 73. Qb6+ Ke5 74. Qc7+ Kd4 75. Qb6+ Ke5 76. Qb5 Kd4 77. Qb4+ Ke5 78.
Qc3+ Ke6 79. Kf2 Rf4+ 80. Ke2 Re4+ 81. Kd2 Kd6 82. Kd3 Ke6 83. Qc5 Rc4 84. Qe3+
Re4 85. Qg3 Rc4 86. Qg5 Re4 87. Qg7 Kd6 88. Qf6+ Kc5 89. Qd8 Rc4 90. Qc7+ Kb5
91. Qd6 Rc5 92. Kd4 Rc6 93. Qxd5+ Kb6 94. Qb3+ Kc7 95. Qb5 Rb6 96. Qa5 Kc6 97.
Qc3+ Kb7 98. Kd5 Rb5+ 99. Kd6 Rb6+ 100. Kd7 Ka6 101. Qc4+ Ka5 102. Kc7 Rb4 103.
Qc3 Kb5 104. Kd6 Rc4 105. Qd3 Kb4 106. Kd5 Rc3 107. Qd4+ Kb3 108. Qd2 Rc2 109.
Qd1 Kc3 110. Qa1+ Kb3 111. Kd4 Rc4+ 112. Kd3 Kb4 113. Qb2+ Kc5 114. Qb3 Re4 {
finger slipped} 115. Kxe4 1-0

[Event "GameKnot Blitz"]
[Site "http://gameknot.com/"]
[Date "2016.10.17"]
[Round "?"]
[White "lapaget"]
[Black "ianisarockstar"]
[Result "1-0"]
[PlyCount "143"]
[EventDate "2016.??.??"]

{go to move 55}

1. e4 e5 2. Nf3 Nc6 3. c3 Bc5 4. d4 exd4 5. cxd4 Bb4+ 6. Nc3 d6 7. a3 Ba5 8.
Bc4 h6 9. O-O Bxc3 10. bxc3 a6 11. Re1 Nf6 12. e5 dxe5 13. Nxe5 Nxe5 14. Rxe5+
Be6 15. Bxe6 fxe6 16. Rxe6+ Kf7 17. Qb3 Nd5 18. Re5 c6 19. c4 Nf6 20. Be3 Re8
21. c5+ Nd5 22. Re1 Rxe5 23. dxe5 Kf8 24. Bxh6 gxh6 25. Qf3+ Ke7 26. e6 Nf6 27.
Qh3 Qd2 28. Rf1 h5 29. Qf5 Qd5 30. Qb1 Rg8 31. Qxb7+ Kxe6 32. f3 Qxc5+ 33. Kh1
h4 34. Qxa6 h3 35. Re1+ Kf5 36. Qd3+ Kg5 37. g3 Ng4 38. fxg4 Qd5+ 39. Qe4 Qxe4+
40. Rxe4 Rf8 41. Kg1 Rf3 42. a4 Ra3 43. Rc4 Ra1+ 44. Kf2 Ra3 45. Rc5+ Kxg4 46.
Rxc6 Ra2+ 47. Ke3 Rxh2 48. Rc4+ Kf5 49. Rf4+ Ke5 50. Rh4 Ra2 51. a5 h2 52. g4
Ra3+ 53. Kd2 Rxa5 54. Rh5+ Kf4 55. Rxa5 h1=Q 56. Ra4+ Kg5 57. Kc3 Qc6+ 58. Rc4
Qf6+ 59. Kb4 Qf8+ 60. Kc3 Kh4 61. Kb3 Kg3 62. Kc3 Kf3 63. Rd4 Ke3 64. Rd3+ Ke4
65. Rd4+ Ke5 66. Rc4 Kd5 67. Rd4+ Kc5 68. Rc4+ Kb5 69. Kd3 Qa3+ 70. Rc3 Qa4 71.
g5 Kb4 {blunder} 72. Rc4+ 1-0

Queen vs. Rook

Pattern # 85. This technique is explained in ebook Encyclopedia of Chess Patterns

A detailed analysis can be seen in ECP 2, Encyclopedia of Chess Patterns part 2.

Basic endgame strategy, Q vs. R. The side with the Queen can win, if he knows the technique.
The side with the Rook can draw if the opponent does not know the technique and he stays in the center. And eventually win if able to skewer King and Queen.

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