37. Kh1 {White waits for Black's reply. If 1...Rgxh5 then resigns, if Rhxh5 then....} 37... Rhxh5 38. Rf8+ {Black cannot take the pesky Rook, if he does it's stalemate.} 38... Kh7 39. Rh8+ Kg6 {The Rook follows the King around as if joined to it by a piece of elastic.}40. Rxh6+ Kf7 41. Rf6+ Ke8 42. Re6+ Kd7 43. Rd6+ Ke7 44. Re6+ Kf7 45. Rf6+ Kg8 46. Rf8+ Kh7 47. Rh8+ Kg6 48. Rh6+ Kf5 49. Rf6+ Ke4 50. Rf4+ Kd5 51. Rd4+ {Black can see no way to avoid his King being harassed by this Rook so...} 51... Kxd4 {Stalemate.}
But Black right at the end could have won. The knack is to head towards
the White King and unpin the Knight.
[FEN "k7/1pP5/1P6/8/8/K4rPR/1PPPPP2/8 w - - 0 0"] [PlyCount "29"] 1. e3 Rxe3+ 2. c3 Rxc3+ 3. Ka2 Ra3+ 4. Kb1 Ra1+ 5. Kc2 Rc1+ 6. Kd3 Rc3+ 7. Ke2 Re3+ 8. Kf1 Re1+ {this is the intended solution, but it's not black's best move. for the best move, see the next viewer.} 9. Kg2 Rg1+ 10. Kf3 Rxg3+ 11. Ke2 Re3+ 12. Kd1 Re1+ 13. Kc2 Rc1+ 14. Kb3 Rc3+ 15. Ka2 {and black is out of checks}
As noted, black could have put up a bit more resistance on move 8.
[FEN "k7/1pP5/1P6/8/8/4r1PR/1P1P1P2/5K2 b - - 0 7"] 7... Re8 {now white must actually push the g-pawn rather than having it removed for him.} 8. g4 Re1+ {now that we've got that spite-delay out of the way, it's back to the chase.} 9. Kg2 Rg1+ 10. Kf3 Rg3+ 11. Ke2 Re3+ 12. Kd1 Re1+ 13. Kc2 Rc1+ 14. Kb3 Rc3+ 15. Ka2 Rxc7 {sometimes you don't get to play the move you worked so hard to prepare! is it feasible to 'fix' it by adding a block on the c-file?} 16. Rh8+ Rc8 17. Rxc8# *
Originally posted by greenpawn34 [b]Terry Mc - Pjoern RHP 2007
[pgn]
[FEN "6k1/ppp3p1/7p/6rP/7r/5R2/6KN/8 w - - 0 37"]
37. Kh1 {White waits for Black's reply. If 1...Rgxh5 then resigns, if Rhxh5 then....} 37... Rhxh5 38. Rf8+ {Black cannot take the pesky Rook, if he does it's stalemate.} 38... Kh7 39. Rh8+ Kg6 {The Rook follows the King around as if joined to it by a piece ...[text shortened]... Kh4 {The Knight is now unpinned and the stalemates are off.} 6. Rd4+ Kh3 7. Rd3+ Rg3[/pgn][/b]
Pefect material for my Monday morning chess study group. One of our group is a 9 year old playing in the US Scholastic Championship this weekend, and we have been showing him items like this for months now. Good stuff!