Chess is in its essence a game, in its form an art, and in its execution a science.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown211"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/8/p7/1p2k1p1/1Pn3P1/P3K3/4B3/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Bxc4 ( { White can try: } 1. Kd3 Kf4 2. a4 Nb2+ 3. Kd4 Nxa4 4. Bd1 Nb6 5. Kc5 Nd7+ 6. Kc6 Nf6 7. Kb6 Nd5+ 8. Kxa6 Nc3 9. Bc2 Kxg4 10. Bd3 Kf3 11. Bxb5 Nxb5 12. Kxb5 g4 13. Kc6 g3 14. b5 g2 15. b6 g1=Q { Black wins with a large
material advantage. } ) 1... bxc4 2. a4 Kd5 3. Kd2 Kd4 4. Kc2 ( { White can try: } 4. b5 axb5 5. axb5 Kc5 6. b6 Kxb6 7. Kc3 Kc5 { Black wins with a large material
advantage. } ) ( { White can also try: } 4. a5 c3+ 5. Kc2 Kc4 6. b5 Kxb5 7. Kxc3 Kxa5 8. Kc4 Ka4 9. Kc3 Kb5 10. Kb3 Kc5 11. Ka4 Kd4 12. Ka5 Ke4 13. Kxa6 Kf4 14. Kb5 Kxg4 { Black wins with a large material advantage. } ) 4... c3 5. b5 axb5 6. axb5 Kc5 7. Kxc3 Kxb5 8. Kd4 Kc6 9. Ke5 Kd7 10. Kf6 Ke8 11. Kxg5 Kf7 12. Kh6 Kg8 13. g5 Kh8 14. g6 Kg8 15. g7 Kf7 16. Kh7 Kf6 17. g8=Q { White wins with a
large material advantage. } 1-0