Openings teach you openings. Endgames teach you chess!
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[Event "Polish Championship, Lublin"]
[Site "?"]
[Date "1969.??.??"]
[Round "?"]
[White "Schmidt, Wlodzimierz"]
[Black "Kwasniewski, Janusz"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "2b2r1k/7p/8/4b3/p1PBB1qP/P2Q2P1/2R3K1/8 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ Black resigned in this winning position. Can you find the winning moves?
Other moves lose. } 1... Qh3+ ( { Black can try: } 1... Qxg3+ 2. Qxg3 Bxd4 { White wins with a large material advantage. } ) ( { Black can also try: } 1... Re8 2. Bxe5+ Rxe5 3. Qd8+ Kg7 4. Qc7+ Kf6 5. Qd6+ Be6 6. Qf8+ Bf7 7. Rf2+ Rf5 8. Bxf5 Qxf5 9. Rxf5+ Kxf5 10. Qxf7+ { White wins with a large material
advantage. } ) ( { Black can also try: } 1... Qg7 2. Bxe5 Qxe5 3. c5 h6 4. c6 Kg7 5. Qc4 Be6 6. Qc3 Qxc3 7. Rxc3 Rb8 8. c7 Rb3 9. c8=Q Bxc8 10. Rxc8 Rxa3 11. Rc7+ Kf6 12. Rc6+ Kg7 13. Rg6+ Kh7 14. Ra6+ Kg7 15. Bc6 Ra2+ 16. Kf3 Rd2 17. Bxa4 { White wins with a large material advantage. } ) 2. Kg1 Rf1+ 3. Qxf1 Bxd4+ 4. Rf2 Qxg3+ 5. Bg2 Bb7 6. Kh1 Bxg2+ 7. Qxg2 Qxf2 { Black wins with a
large material advantage. } 1-0