Aaron Nimzowitsch

Even the laziest King flees wildly in the face of a double check!

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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "White player"]
[Black "Black player"]
[Result "*"]
[BlackElo "0"]
[FEN "8/ppp4k/8/PPP4K/8/8/8/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]

{ A Pawn Lusts for Promotion.|This king and pawn endgame lesson
demonstrates how pawns can engage in a way to create a passed and unstoppable
pawn. Many pawn-breakthrough positions similar to this one arise in endgame
play.|White to move and win. Look for ways to rip through the blockade. } 1. b6 { A central thrust rips a whole in the Black pawn structure. } ( { Note
that other pieces (in this case kings) are unable to help. } 1. Kg5 Kg7 2. Kf5 Kf7 3. Ke5 Ke7 4. Kd5 Kd7 5. Ke5 ( { White can go terribly wrong, and lose. } 5. c6+ bxc6+ 6. bxc6+ Ke7 7. Ke5 a6 8. Kd5 Kf6 9. Kd4 Ke6 10. Kc5 Ke5 11. Kc4 Kd6 12. Kd4 Kxc6 13. Kc4 Kd6 14. Kb4 Kd5 15. Kc3 Kc5 16. Kb3 Kb5 17. Kc3 Kxa5 18. Kc4 Kb6 19. Kc3 c5 20. Kb3 Kb5 21. Kb2 a5 22. Kc3 a4 23. Kb2 Kb4 24. Kb1 c4 25. Ka2 c3 26. Kb1 Kb3 27. Kc1 c2 28. Kd2 Kb2 29. Kd3 c1=Q ) 5... c6 6. a6 bxa6 7. bxa6 Ke7 8. Kf5 Kf7 9. Ke5 Ke7 10. Kf5 Kf7 11. Ke5 Ke7 { Draw because no
side can make progress. } ) 1... axb6 { What else? } 2. c6 { A surprising sacrifice to
clear the way for the a-pawn. } 2... bxc6 { Again, black has no choice, but to
capture white's bold c-pawn. } 3. a6 { White's a-pawn has broken through and is
unstoppable.|Now White will promote. The Black pawns will not promote
before the new white queen mows them down like rats.|An awesome spectacle
of sacrificial play.|The following moves are presented only as an example
of how to win this very winnable game. } 3... Kg7 { Black moves to help is pawn
majority. } ( { Black's pawn majority is too far and too weak to promote. } 3... c5 4. a7 c4 5. a8=Q b5 6. Qe4+ Kg8 ( 6... Kg7 7. Qe7+ Kg8 8. Kg6 c3 9. Qg7# ) 7. Qe7 c3 8. Kg6 c2 9. Qg7# ) 4. a7 Kf6 5. a8=Q Ke5 6. Qxc6 Kd4 7. Qxc7 b5 8. Kg4 b4 9. Qc2 Kd5 10. Kf4 Kd4 11. Qb3 Kc5 12. Ke5 Kb5 13. Kd6 Kb6 14. Qxb4+ Ka6 15. Kc6 Ka7 16. Qb7# *