Windmills

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AdminX
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Windmills

Post by AdminX »

Anyone know how often windmills occur in a chess game?

White to move and win.
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FEN: 3n3r/2p3k1/1pbbpRpp/6r1/3P4/2PBQ2P/q5P1/5RK1 w - - 0 1
"Good decisions come from experience, and experience comes from bad decisions."
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Henk
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Re: Windmills

Post by Henk »

Other example Torre - Lasker Moscow 1925
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Re: Windmills

Post by Sven »

Nice position :-)
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Dann Corbit
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Re: Windmills

Post by Dann Corbit »

Byrne Fischer game of the century also
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Dann Corbit
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Re: Windmills

Post by Dann Corbit »

"Boost Your Chess" by Yusupov has a bunch of them.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
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AdminX
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Re: Windmills

Post by AdminX »

Dann Corbit wrote: ↑Fri May 25, 2018 1:54 am "Boost Your Chess" by Yusupov has a bunch of them.
I never heard of that one, thanks I will start hunting for it.
"Good decisions come from experience, and experience comes from bad decisions."
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Re: Windmills

Post by Dann Corbit »

r3rnk1/pb3pp1/3pp2p/1q4BQ/1P1P4/4N1R1/P4PPP/4R1K1 w - - acd 45; acs 222; bm Bf6; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-1"; c1 "C.Torre - Em.Lasker; Moscow 1925"; c3 "Bf6"; ce 639; id "Windmill.01"; pm Bf6; pv Bf6 Qxh5 Rxg7+ Kh8 Rxf7+ Kg8 Rg7+ Kh8 Rxb7+ Kg8 Rg7+ Kh8 Rxa7+ Kg8 Rg7+ Kh8 Rg5+;
k1n1r3/p2R2bb/2p2qpp/4pp2/2P5/2B1Q1P1/PP3PBP/6K1 w - - acd 33; acs 101; bm Qc5; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-2"; c1 "V.Smyskiv - M.Euwe; Zurich Candidates 1953"; c3 "Bxe5"; c5 "Bxe5 is a mate in 10 via pv Bxe5 Nb6 Qc5 Rc8 Bd6 Qxd6 Rxd6 Kb8 Rxc6 Rc7 Rxc7 Bg8 Rb7+ Ka8 Rxb6+ Bd5 Bxd5+ but Qc5 is a mate in 8. Rxg7 also wins"; ce 32752; dm 8; id "Windmill.02"; pm Qc5; pv Qc5 Kb8 Ba5 Re6 Bc7+ Ka8 Bxe5 Qxe5 Bxc6+ Kb8 Rb7+ Ka8 Rb3+ Rxc6 Qxc6+;
5r1k/p1p1q1pp/8/2bQ4/4n3/2P1PN2/PP3rPP/RN2R1K1 b - - acd 43; acs 60; bm Qh4; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-3"; c1 "N.N. - W.Steinitz; London 1869"; c3 "Qh4"; ce 741; id "Windmill.03"; pm Qh4; pv Qh4 Qxe4 Qxe4 Kxf2 Qc2+ Kg1 Qxb2 Nbd2 Bxe3+ Kh1 Bxd2 Nxd2 Qxd2 Red1 Qc2 Rdc1 Qd3 Rg1 Qc4 a3 Kg8 Rgd1 Qxc3 Rdc1 Qd4 Rab1 Qd3 Kg1 Qe2 Re1 Qd2 Kh1 Rf2 Red1 Qg5 Rg1 Qe3 Rbc1 Qe7 Ra1 Qc5 Rgd1 Qc6 Rg1 Qc4 Rac1 Rc2 Ra1 Qc5 Rgf1;
4b1rk/6qp/4p3/1pBpnpPP/1P3Q2/2P2B2/6RK/8 w - - acd 34; acs 59; bm Bd4; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-4"; c1 "O.Duras - R.Spielmann; Bad Pistyan 1912"; c3 "Bd4"; ce 1224; id "Windmill.04"; pm Bd4; pv Bd4 Nxf3+ Qxf3 e5 h6 Qe7 Re2 Rf8 Rxe5 Qc7 Qf4 Kg8 Bc5 Qf7 Bxf8 Qxf8 Rxd5 Bc6 Rxf5 Qe8 Qe5 Qxe5+ Rxe5 Kf7 Rf5+ Kg8 Rc5 Bd7 Rd5 Bg4 Rxb5 Bf3 Re5 Bb7 b5 Kf7 Kg3 Ba8 b6 Bh1 Kf4 Bb7 c4 Ba6 Rc5 Ke6 g6;
4b2k/7p/3q3P/1p1pRpr1/1P1B4/2P2Q2/7K/8 w - - acd 191; acs 1348; bm Qg3; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-5"; c3 "Qg3"; c4 "Qf3g3 (got a !? but game-theor optimal) (Krogius_EofCM) #1240 white_wins"; ce 32578; dm 95; id "Windmill.05"; pm Qg3; pv Qg3 Qxh6+ Qh3 Qxh3+ Kxh3 Rh5+ Kg2 Rg5+ Kf2 Kg8 Rxe8+ Kf7 Rb8 Rh5 Kg2 Kg6 Rxb5 f4 Kf3 h6 Rb7 Kf5 Rf7+ Kg5 Rg7+ Kf5 Kg2 Ke4 Re7+ Kd3 b5 f3+ Kxf3 Rf5+ Kg3 Rg5+ Kf4 Rg2 b6 Rg8 b7 Rf8+ Kg4 h5+ Kxh5 Kc2 Be5 Rf5+ Kg4 Rf2 b8=Q Rg2+ Kh4 Rd2 Bf4 Rf2 Qb5 d4 cxd4 Rh2+ Bxh2;
3n3r/2p3k1/1pbbpRpp/6r1/3P4/2PBQ2P/q5P1/5RK1 w - - acd 39; acs 60; bm Qxg5; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-1"; c1 "Kreichik - Laiggeb; Vienna 1951"; c3 "Qxg5"; ce 1686; id "Windmill.06"; pm Qxg5; pv Qxg5;
r4k1r/pppR2pp/2n2p2/7B/4PB2/2Q5/qP3PPP/2K5 w - - acd 47; acs 642; bm Bh6; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-2"; c1 "L.Schmid - Muth; 1950"; c3 "Qxf6 Bh6"; c5 "Qxf6 is a mate in 36 via pv Qx gxf6 Bh6+ Kg8 Rg7+ Kf8 Rxc7+ Kg8 Rg7+ Kf8 Rxb7+ Kg8 Rg7+ Kf8 Rxa7+ Kg8 Bf7+ Qxf7 Rxa8+ Qe8 Rxe8+ Kf7 Rxh8 Kg6 Be3 Ne5 f3 Nc4 Bd4 Na5 Kc2 Nc6 Be3 Ne5 Rc8 Kf7 Rc7+ Ke8 Rxh7 Nc6 Rc7 Ne7 Bd4 Kd8 Rxe7 Kxe7 f4 Ke6 f5+ Ke7 b4 Kd6 Bxf6 Kd7 Be5 Kd8 b5 Kd7 b6 Kc6 f6 Kxb6 f7 Kb7 f8=Q Kc6 Kc3 Kb6 Kb4 Kb7 Kb5 Ka7 Qb8+ but Bh6 is a mate in 10."; ce 32748; dm 10; id "Windmill.07"; pm Bh6; pv Bh6 Qa1+ Kd2 Qa5 b4 Qa2+ Kc1 Qe6 Rxg7 Rg8 Qc5+ Qd6 Rxc7+ Rg7 Bxg7+ Kg8 Qc4+ Qe6 Qxe6+;
r4rk1/1p1n1ppp/p1b4q/5P2/3BP3/1BP2Q2/P1P4P/1K4R1 w - - acd 31; acs 16; bm Qh3; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-3"; c1 "A.Beni - Schwarzbach; Austria 1969"; c3 "Qh3"; ce 32738; dm 15; id "Windmill.08"; pm Qh3; pv Qh3 Qf6 Qg3 g6 Bxf6 Bxe4 fxg6 hxg6 Bd4 Rae8 Qd6 Re5 Bxe5 Nxe5 Qxe5 Rd8 Qxe4 Kg7 Qe5+ Kf8 Qf6 Rd7 Re1 Rd1+ Rxd1 Kg8 Qxg6+ Kf8 Qxf7+;
r2nk1r1/pb3q1p/4p3/3p2pQ/8/BP6/PP3PPP/2R1R1K1 w - - acd 38; acs 60; bm Rc7; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-4"; c1 "G.Antunac - R.Hubner; Dresden 1969"; c3 "Rc7"; ce 359; id "Windmill.09"; pm Rc7; pv Rc7;
r5k1/pp3pp1/1qp3p1/3br3/5B2/3P3P/PPP2QP1/R4RK1 b - - acd 32; acs 43; bm Re2; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-5"; c1 "F.Dos Santos - M.Ginzburg; San Rafael 1992"; c3 "Re2"; ce 788; id "Windmill.10"; pm Re2; pv Re2 c4 Rxf2 Rxf2 Be6 Rd1 Qd4 Re1 Qxd3 b3 a5 Rd2 Qc3 Rf1 a4 Rf3 Qb4 Kh2 axb3 axb3 b5 cxb5 Bd5 Rff2 Qxb5 b4 Qxb4 Rb2 Qc5 Rbc2 Qe7 Rcd2 g5 Rfe2 Qd8 Bg3 Qa5 Rb2 Qa4 Bf2 Qf4+ Bg3 Qc4 Rbc2 Qa4;
2kr4/1bpr3p/4R3/1pQ5/8/6B1/3q2PP/2R4K w - - acd 159; acs 105; bm Qxc7+; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-6"; c1 "B.Verlinsky - I.Rabinovich; USSR Ch., Leningrad 1925"; c3 "Qxc7+"; c4 "Qc5xPc7+! (Krogius_EofCM) #1043 white_wins"; ce 32610; dm 79; id "Windmill.11"; pm Qxc7+; pv Qxc7+ Rxc7 Rxc7+ Kb8 Rc3+ Ka7 Ra3+ Ba6 Raxa6+ Kb7 Reb6+ Kc8 Ra8+ Kd7 Rxd8+ Kxd8 Rd6+ Qxd6 Bxd6 Kd7 Bb4 Ke6 g3 Ke5 h4 Kd4 h5 Ke4 Kg2 Ke3 Bd6 Kd4 Kf3 Kd5 Ba3 Ke6 Kf4 Kd5 g4 Kc4 Kf3 Kd4 Bf8 Ke5 Bb4 Ke6 Ke4 Kd7 Kf4 Ke8 g5 Kf7 Ke5 h6 gxh6 Kg8 Kf6 Kh8 Kg6;
b4rrk/2Q1n2p/4p1q1/p3P2R/1b1B4/6NP/1PB2PPK/3R4 b - - acd 34; acs 60; bm Qxh5; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-7"; c1 "Afanasjev - Koshelev; USSR 1968"; c3 "Qxh5"; ce 784; id "Windmill.12"; pm Qxh5; pv Qxh5;
2r1r1k1/1R4bp/p5p1/2p1n3/2q5/2B5/1PQ3PP/5RK1 w - - acd 33; acs 60; bm Rxg7+; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-8"; c1 "M.Taimanov - N.N.; Simultaneous 1964"; c3 "Rxg7+"; ce 1700; id "Windmill.13"; pm Rxg7+; pv Rxg7+;
2r2rk1/p3bpp1/1p2B2p/4B1nq/3P4/5R1P/PP2QPP1/R5K1 w - - acd 31; acs 52; bm Rxf7; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-9"; c1 "B.Malich - Litkiewicz; East Germany 1967"; c3 "Rxf7"; ce 468; id "Windmill.14"; pm Rxf7; pv Rxf7 Qxe2 Rxg7+ Kh8 Rxe7+ Qxe5 dxe5 Nxe6 Rxe6 Kg7 Rf1 Rf4 g3 Ra4 Rd1 Rf8 a3 h5 Rd7+ Rf7 Rxf7+ Kxf7 Rh6 Rd4 Rxh5 Rd2 Rh6 Rxb2 h4 Rb3 Rh7+ Ke6 Rxa7 Kxe5 h5 Rf3 Kg2 Rf6 f4+ Ke4 Re7+ Kd5 Kf3 Kd6 Ra7;
2k3r1/pb3p1p/1q1bpp2/Q7/2P1n1r1/4B3/1P3PPP/R2BNRK1 b - - acd 33; acs 150; bm Rxg2+; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-10"; c1 "I.Boleslavsky - A.Ufimtsev; Omsk 1944"; c3 "Rxg2+"; c4 "POL-UNK {The unknown Polgar}"; ce 2406; id "Windmill.15"; pm Rxg2+; pv Rxg2+ Nxg2 Nd2 Qg5 Rxg5 Bxg5 fxg5 Bh5 Qc6 f3 Nxf1 Rxf1 Qc5+ Rf2 Qd4 b4 Bxb4 Ne3 Qxe3 Kg2 Bc5 Rc2 f5 Kf1 Bxf3 Bxf3;
7k/8/5r2/8/8/B1R5/8/K7 w - - acd 39; acs 3; bm Bb2; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-11"; c1 "L.Topko study; 1966"; c3 "Bb2"; ce 32730; dm 19; id "Windmill.16"; pm Bb2; pv Bb2 Kh7 Rc7+ Kg6 Bxf6 Kxf6 Kb2 Ke6 Kc3 Kd6 Rh7 Ke5 Rh5+ Kf6 Kc4 Kg6 Re5 Kg7 Re6 Kg8 Kd4 Kf7 Ke5 Kg7 Kf5 Kf7 Re5 Kg7 Re7+ Kf8 Kf6 Kg8 Re8+ Kh7 Rf8 Kh6 Rh8+;
5rk1/2R3pp/r3pb2/pq2B2Q/1p2R3/7P/6PK/8 w - - acd 27; acs 0; bm Bxf6; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-12"; c1 "V.Faibisovich - K.Lerner; USSR Ch semifinal, Alma Ata 1971"; c3 "Bxf6"; ce 0; id "Windmill.17"; pm Bxf6; pv Bxf6 Qxh5 Rxg7+ Kh8 Rf7+ Kg8;
r3r1k1/pp3pbp/1Bp3p1/8/2bP4/Q4N2/P3nPPP/3R1K1R b - - acd 35; acs 479; bm Nxd4+; c0 "Game of the Century: Donald Byrne vs Robert James Fischer"; c1 "Third Rosenwald Trophy (1956), New York, NY USA, rd 8, Oct-17"; c3 "Nxd4+"; c5 "There are 5 moves that start the windmill by revealed check and all are about equal: Nxd4+, Ng3+, Nf4+, Nc1+ and Nc3+. Move axb6 also wins, but the revealed checks win faster."; ce 733; id "Windmill.18"; pm Nxd4+; pv Nxd4+ Kg1 Ne2+ Kf1 Nc3+ Kg1 axb6 Qb4 Ra4 Qxa4 Nxa4 Rd2 Bh6 Rd7 Nc5 Rd4 Bxa2 g3 Bg7 Rd2 Bc4 Kg2 b5 Rc2 Na4 Rhc1 Bd5 Rd2 Nc3 Ra1 Bh6 Rd3 b4 Ra7 Rb8 h4 c5 Rxd5 Nxd5 g4 Nf4+ Kg3 c4;
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
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Nay Lin Tun
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Re: Windmills

Post by Nay Lin Tun »

1200 elo rated puzzle 🤔
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tpoppins
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Re: Windmills

Post by tpoppins »

1200 or 2000 -- what's the difference? Below master strength it's all one vast patzer land.

Nice one, Ted!
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AdminX
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Re: Windmills

Post by AdminX »

Dann Corbit wrote: ↑Fri May 25, 2018 5:35 am r3rnk1/pb3pp1/3pp2p/1q4BQ/1P1P4/4N1R1/P4PPP/4R1K1 w - - acd 45; acs 222; bm Bf6; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-1"; c1 "C.Torre - Em.Lasker; Moscow 1925"; c3 "Bf6"; ce 639; id "Windmill.01"; pm Bf6; pv Bf6 Qxh5 Rxg7+ Kh8 Rxf7+ Kg8 Rg7+ Kh8 Rxb7+ Kg8 Rg7+ Kh8 Rxa7+ Kg8 Rg7+ Kh8 Rg5+;
k1n1r3/p2R2bb/2p2qpp/4pp2/2P5/2B1Q1P1/PP3PBP/6K1 w - - acd 33; acs 101; bm Qc5; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-2"; c1 "V.Smyskiv - M.Euwe; Zurich Candidates 1953"; c3 "Bxe5"; c5 "Bxe5 is a mate in 10 via pv Bxe5 Nb6 Qc5 Rc8 Bd6 Qxd6 Rxd6 Kb8 Rxc6 Rc7 Rxc7 Bg8 Rb7+ Ka8 Rxb6+ Bd5 Bxd5+ but Qc5 is a mate in 8. Rxg7 also wins"; ce 32752; dm 8; id "Windmill.02"; pm Qc5; pv Qc5 Kb8 Ba5 Re6 Bc7+ Ka8 Bxe5 Qxe5 Bxc6+ Kb8 Rb7+ Ka8 Rb3+ Rxc6 Qxc6+;
5r1k/p1p1q1pp/8/2bQ4/4n3/2P1PN2/PP3rPP/RN2R1K1 b - - acd 43; acs 60; bm Qh4; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-3"; c1 "N.N. - W.Steinitz; London 1869"; c3 "Qh4"; ce 741; id "Windmill.03"; pm Qh4; pv Qh4 Qxe4 Qxe4 Kxf2 Qc2+ Kg1 Qxb2 Nbd2 Bxe3+ Kh1 Bxd2 Nxd2 Qxd2 Red1 Qc2 Rdc1 Qd3 Rg1 Qc4 a3 Kg8 Rgd1 Qxc3 Rdc1 Qd4 Rab1 Qd3 Kg1 Qe2 Re1 Qd2 Kh1 Rf2 Red1 Qg5 Rg1 Qe3 Rbc1 Qe7 Ra1 Qc5 Rgd1 Qc6 Rg1 Qc4 Rac1 Rc2 Ra1 Qc5 Rgf1;
4b1rk/6qp/4p3/1pBpnpPP/1P3Q2/2P2B2/6RK/8 w - - acd 34; acs 59; bm Bd4; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-4"; c1 "O.Duras - R.Spielmann; Bad Pistyan 1912"; c3 "Bd4"; ce 1224; id "Windmill.04"; pm Bd4; pv Bd4 Nxf3+ Qxf3 e5 h6 Qe7 Re2 Rf8 Rxe5 Qc7 Qf4 Kg8 Bc5 Qf7 Bxf8 Qxf8 Rxd5 Bc6 Rxf5 Qe8 Qe5 Qxe5+ Rxe5 Kf7 Rf5+ Kg8 Rc5 Bd7 Rd5 Bg4 Rxb5 Bf3 Re5 Bb7 b5 Kf7 Kg3 Ba8 b6 Bh1 Kf4 Bb7 c4 Ba6 Rc5 Ke6 g6;
4b2k/7p/3q3P/1p1pRpr1/1P1B4/2P2Q2/7K/8 w - - acd 191; acs 1348; bm Qg3; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Diagram 1-5"; c3 "Qg3"; c4 "Qf3g3 (got a !? but game-theor optimal) (Krogius_EofCM) #1240 white_wins"; ce 32578; dm 95; id "Windmill.05"; pm Qg3; pv Qg3 Qxh6+ Qh3 Qxh3+ Kxh3 Rh5+ Kg2 Rg5+ Kf2 Kg8 Rxe8+ Kf7 Rb8 Rh5 Kg2 Kg6 Rxb5 f4 Kf3 h6 Rb7 Kf5 Rf7+ Kg5 Rg7+ Kf5 Kg2 Ke4 Re7+ Kd3 b5 f3+ Kxf3 Rf5+ Kg3 Rg5+ Kf4 Rg2 b6 Rg8 b7 Rf8+ Kg4 h5+ Kxh5 Kc2 Be5 Rf5+ Kg4 Rf2 b8=Q Rg2+ Kh4 Rd2 Bf4 Rf2 Qb5 d4 cxd4 Rh2+ Bxh2;
3n3r/2p3k1/1pbbpRpp/6r1/3P4/2PBQ2P/q5P1/5RK1 w - - acd 39; acs 60; bm Qxg5; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-1"; c1 "Kreichik - Laiggeb; Vienna 1951"; c3 "Qxg5"; ce 1686; id "Windmill.06"; pm Qxg5; pv Qxg5;
r4k1r/pppR2pp/2n2p2/7B/4PB2/2Q5/qP3PPP/2K5 w - - acd 47; acs 642; bm Bh6; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-2"; c1 "L.Schmid - Muth; 1950"; c3 "Qxf6 Bh6"; c5 "Qxf6 is a mate in 36 via pv Qx gxf6 Bh6+ Kg8 Rg7+ Kf8 Rxc7+ Kg8 Rg7+ Kf8 Rxb7+ Kg8 Rg7+ Kf8 Rxa7+ Kg8 Bf7+ Qxf7 Rxa8+ Qe8 Rxe8+ Kf7 Rxh8 Kg6 Be3 Ne5 f3 Nc4 Bd4 Na5 Kc2 Nc6 Be3 Ne5 Rc8 Kf7 Rc7+ Ke8 Rxh7 Nc6 Rc7 Ne7 Bd4 Kd8 Rxe7 Kxe7 f4 Ke6 f5+ Ke7 b4 Kd6 Bxf6 Kd7 Be5 Kd8 b5 Kd7 b6 Kc6 f6 Kxb6 f7 Kb7 f8=Q Kc6 Kc3 Kb6 Kb4 Kb7 Kb5 Ka7 Qb8+ but Bh6 is a mate in 10."; ce 32748; dm 10; id "Windmill.07"; pm Bh6; pv Bh6 Qa1+ Kd2 Qa5 b4 Qa2+ Kc1 Qe6 Rxg7 Rg8 Qc5+ Qd6 Rxc7+ Rg7 Bxg7+ Kg8 Qc4+ Qe6 Qxe6+;
r4rk1/1p1n1ppp/p1b4q/5P2/3BP3/1BP2Q2/P1P4P/1K4R1 w - - acd 31; acs 16; bm Qh3; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-3"; c1 "A.Beni - Schwarzbach; Austria 1969"; c3 "Qh3"; ce 32738; dm 15; id "Windmill.08"; pm Qh3; pv Qh3 Qf6 Qg3 g6 Bxf6 Bxe4 fxg6 hxg6 Bd4 Rae8 Qd6 Re5 Bxe5 Nxe5 Qxe5 Rd8 Qxe4 Kg7 Qe5+ Kf8 Qf6 Rd7 Re1 Rd1+ Rxd1 Kg8 Qxg6+ Kf8 Qxf7+;
r2nk1r1/pb3q1p/4p3/3p2pQ/8/BP6/PP3PPP/2R1R1K1 w - - acd 38; acs 60; bm Rc7; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-4"; c1 "G.Antunac - R.Hubner; Dresden 1969"; c3 "Rc7"; ce 359; id "Windmill.09"; pm Rc7; pv Rc7;
r5k1/pp3pp1/1qp3p1/3br3/5B2/3P3P/PPP2QP1/R4RK1 b - - acd 32; acs 43; bm Re2; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-5"; c1 "F.Dos Santos - M.Ginzburg; San Rafael 1992"; c3 "Re2"; ce 788; id "Windmill.10"; pm Re2; pv Re2 c4 Rxf2 Rxf2 Be6 Rd1 Qd4 Re1 Qxd3 b3 a5 Rd2 Qc3 Rf1 a4 Rf3 Qb4 Kh2 axb3 axb3 b5 cxb5 Bd5 Rff2 Qxb5 b4 Qxb4 Rb2 Qc5 Rbc2 Qe7 Rcd2 g5 Rfe2 Qd8 Bg3 Qa5 Rb2 Qa4 Bf2 Qf4+ Bg3 Qc4 Rbc2 Qa4;
2kr4/1bpr3p/4R3/1pQ5/8/6B1/3q2PP/2R4K w - - acd 159; acs 105; bm Qxc7+; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-6"; c1 "B.Verlinsky - I.Rabinovich; USSR Ch., Leningrad 1925"; c3 "Qxc7+"; c4 "Qc5xPc7+! (Krogius_EofCM) #1043 white_wins"; ce 32610; dm 79; id "Windmill.11"; pm Qxc7+; pv Qxc7+ Rxc7 Rxc7+ Kb8 Rc3+ Ka7 Ra3+ Ba6 Raxa6+ Kb7 Reb6+ Kc8 Ra8+ Kd7 Rxd8+ Kxd8 Rd6+ Qxd6 Bxd6 Kd7 Bb4 Ke6 g3 Ke5 h4 Kd4 h5 Ke4 Kg2 Ke3 Bd6 Kd4 Kf3 Kd5 Ba3 Ke6 Kf4 Kd5 g4 Kc4 Kf3 Kd4 Bf8 Ke5 Bb4 Ke6 Ke4 Kd7 Kf4 Ke8 g5 Kf7 Ke5 h6 gxh6 Kg8 Kf6 Kh8 Kg6;
b4rrk/2Q1n2p/4p1q1/p3P2R/1b1B4/6NP/1PB2PPK/3R4 b - - acd 34; acs 60; bm Qxh5; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-7"; c1 "Afanasjev - Koshelev; USSR 1968"; c3 "Qxh5"; ce 784; id "Windmill.12"; pm Qxh5; pv Qxh5;
2r1r1k1/1R4bp/p5p1/2p1n3/2q5/2B5/1PQ3PP/5RK1 w - - acd 33; acs 60; bm Rxg7+; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-8"; c1 "M.Taimanov - N.N.; Simultaneous 1964"; c3 "Rxg7+"; ce 1700; id "Windmill.13"; pm Rxg7+; pv Rxg7+;
2r2rk1/p3bpp1/1p2B2p/4B1nq/3P4/5R1P/PP2QPP1/R5K1 w - - acd 31; acs 52; bm Rxf7; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-9"; c1 "B.Malich - Litkiewicz; East Germany 1967"; c3 "Rxf7"; ce 468; id "Windmill.14"; pm Rxf7; pv Rxf7 Qxe2 Rxg7+ Kh8 Rxe7+ Qxe5 dxe5 Nxe6 Rxe6 Kg7 Rf1 Rf4 g3 Ra4 Rd1 Rf8 a3 h5 Rd7+ Rf7 Rxf7+ Kxf7 Rh6 Rd4 Rxh5 Rd2 Rh6 Rxb2 h4 Rb3 Rh7+ Ke6 Rxa7 Kxe5 h5 Rf3 Kg2 Rf6 f4+ Ke4 Re7+ Kd5 Kf3 Kd6 Ra7;
2k3r1/pb3p1p/1q1bpp2/Q7/2P1n1r1/4B3/1P3PPP/R2BNRK1 b - - acd 33; acs 150; bm Rxg2+; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-10"; c1 "I.Boleslavsky - A.Ufimtsev; Omsk 1944"; c3 "Rxg2+"; c4 "POL-UNK {The unknown Polgar}"; ce 2406; id "Windmill.15"; pm Rxg2+; pv Rxg2+ Nxg2 Nd2 Qg5 Rxg5 Bxg5 fxg5 Bh5 Qc6 f3 Nxf1 Rxf1 Qc5+ Rf2 Qd4 b4 Bxb4 Ne3 Qxe3 Kg2 Bc5 Rc2 f5 Kf1 Bxf3 Bxf3;
7k/8/5r2/8/8/B1R5/8/K7 w - - acd 39; acs 3; bm Bb2; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-11"; c1 "L.Topko study; 1966"; c3 "Bb2"; ce 32730; dm 19; id "Windmill.16"; pm Bb2; pv Bb2 Kh7 Rc7+ Kg6 Bxf6 Kxf6 Kb2 Ke6 Kc3 Kd6 Rh7 Ke5 Rh5+ Kf6 Kc4 Kg6 Re5 Kg7 Re6 Kg8 Kd4 Kf7 Ke5 Kg7 Kf5 Kf7 Re5 Kg7 Re7+ Kf8 Kf6 Kg8 Re8+ Kh7 Rf8 Kh6 Rh8+;
5rk1/2R3pp/r3pb2/pq2B2Q/1p2R3/7P/6PK/8 w - - acd 27; acs 0; bm Bxf6; c0 "Boost Your Chess by Artur Yusupov; Chapter 1; Exercise 1-12"; c1 "V.Faibisovich - K.Lerner; USSR Ch semifinal, Alma Ata 1971"; c3 "Bxf6"; ce 0; id "Windmill.17"; pm Bxf6; pv Bxf6 Qxh5 Rxg7+ Kh8 Rf7+ Kg8;
r3r1k1/pp3pbp/1Bp3p1/8/2bP4/Q4N2/P3nPPP/3R1K1R b - - acd 35; acs 479; bm Nxd4+; c0 "Game of the Century: Donald Byrne vs Robert James Fischer"; c1 "Third Rosenwald Trophy (1956), New York, NY USA, rd 8, Oct-17"; c3 "Nxd4+"; c5 "There are 5 moves that start the windmill by revealed check and all are about equal: Nxd4+, Ng3+, Nf4+, Nc1+ and Nc3+. Move axb6 also wins, but the revealed checks win faster."; ce 733; id "Windmill.18"; pm Nxd4+; pv Nxd4+ Kg1 Ne2+ Kf1 Nc3+ Kg1 axb6 Qb4 Ra4 Qxa4 Nxa4 Rd2 Bh6 Rd7 Nc5 Rd4 Bxa2 g3 Bg7 Rd2 Bc4 Kg2 b5 Rc2 Na4 Rhc1 Bd5 Rd2 Nc3 Ra1 Bh6 Rd3 b4 Ra7 Rb8 h4 c5 Rxd5 Nxd5 g4 Nf4+ Kg3 c4;
Thanks for these.
"Good decisions come from experience, and experience comes from bad decisions."
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Ted Summers
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