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Studies awarded for the USA Magazine tournament Strategems 2011.
[Event "1st Prize StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Kalashnikov=Valery"] [Black "EO 213"] [Result "1-0"] [SetUp "1"] [FEN "3kN3/8/6p1/1p1K2N1/8/3pp1p1/2p4R/8 w - - 0 0"] [PlyCount "17"] 1. Rh8 d2 ({main} 1... c1=Q 2. Nd6+ Ke7 3. Rh7+ (3. Ne6 $2 g5 4. Rh7+ Kf6 5. Rf7+ Kg6 6. Rg7+ Kh5 7. Rxg5+ Kh4 8. Nf5+ Kh3 9. Nf4+ Kh2 10. Rxg3 {Not enough only one tempo for 4th echo mate}) 3... Kf8 4. Ne6+ Kg8 5. Rg7+ Kh8 6. Nf7#) 2. Nd6+ Kc7 3. Ne6+ Kb6 4. Rb8+ Ka5 ({main} 4... Ka7 5. Rb7+ Ka8 6. Nc7#) (4... Ka6 5. Kc6 c1=Q+ 6. Nc5+ Ka7 (6... Ka5 7. Rxb5#) 7. Rb7+ Ka8 8. Rd7 Qxc5+ 9. Kxc5 d1=Q 10. Rd8+ Ka7 11. Nxb5+ $18) 5. Rxb5+ Ka4 6. Nc5+ Ka3 7. Nc4+ Ka2 8. Rb2+ Ka1 9. Nb3# {Interesting study with classical style. Realized 3 echo mates on three corner of board. May be possible to add 4th echo?} 1-0
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[Event "2nd Prize StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Becker=Richard"] [Black "EO 209"] [Result "1/2-1/2"] [SetUp "1"] [FEN "K6Q/3B1b2/p7/8/2p5/6q1/8/1k6 w - - 0 0"] [PlyCount "36"] 1. Bf5+ $1 (1. Qd4 $2 c3 2. Bf5+ Kb2 $19) (1. Qh1+ $2 Kb2 2. Qb7+ Qb3 3. Qg2+ Ka3 $19) 1... Ka2 2. Qf6 $1 (2. Qd4 $2 Qe1 3. Ka7 a5 4. Ka6 a4 5. Qd7 Be8 6. Qc8 c3 7. Be6+ Kb2 8. Qb8+ Kc1 9. Qxe8 Qe2+ $19) 2... Bd5+ 3. Ka7 a5 4. Qd4 $1 Qc7+ 5. Ka6 Bb7+ 6. Kb5 Bc6+ 7. Kxc4 Bd7+ 8. Qc5 Qf4+ (8... Qxc5+ 9. Kxc5 Bxf5 10. Kb5 $11) 9. Kc3 Qxf5 10. Qc4+ Ka1 11. Qd4 Qg4 (11... Qb5 12. Qd1+ Qb1 13. Qxd7 Qc1+ 14. Kb3 Qb2+ 15. Kc4 $11) 12. Qe5 Qf5 13. Qd4 {positional draw, or} Be6 14. Qd1+ (14. Qa4+ $2 Ba2 15. Qd4 Qg6 16. Qd1+ Qb1 {zz}) 14... Qb1 15. Qa4+ Qa2 16. Qd1+ Qb1 {positional draw, or} 17. Qa4+ Ba2 18. Qd1 {zz} Qxd1 { stalemate} 1/2-1/2
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[Event "Hm StrateGems 2011"] [Site ""] [Date "2011.04.21"] [Round ""] [White "Arestov=Pavel"] [Black "EO 210"] [Result "*"] [SetUp "1"] [FEN "4N3/4P2p/b1K2p1P/5Pn1/4P1r1/8/1k6/8 w - - 0 1"] [PlyCount "13"] 1. Nd6 $1 ({Thematic try} 1. Nxf6 $2 Rxe4 2. Nxe4 Nxe4 3. e8=Q Bb5+ $1 4. Kxb5 Nd6+ 5. Kc6 Nxe8 6. Kd7 Nf6+ $1 7. Ke6 Ng8 $11) 1... Rxe4 2. Nxe4 Nxe4 3. e8=Q Bb5+ 4. Kxb5 Nd6+ 5. Kc6 Nxe8 6. Kd7 Kc3 7. Kxe8 $18 *
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[Event "Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Krug=Peter"] [Black "EO 212"] [Result "1-0"] [SetUp "1"] [FEN "7R/8/3N2pK/4R1n1/5k2/3p1ppp/3nP2N/8 w - - 0 0"] [PlyCount "21"] 1. Ng4 Nf7+ $1 2. Nxf7 dxe2 3. Kxg6 g2 (3... Kxg4 4. Rh4+ $1 Kxh4 5. Nh6 g2 6. Rg5 h2 7. Nf5+ Kh3 8. Rg3#) 4. Ng5 Kxg4 5. Nxh3 Kg3 6. Kf5 f2 7. Rg8+ ({ Transposition} 7. Re3+ Nf3 8. Rg8+ Kxh3 9. Rh8+ Kg3 10. Rxf3+ Kxf3 11. Rh3#) 7... Kxh3 8. Rh8+ Kg3 9. Re3+ Nf3 10. Rxf3+ Kxf3 11. Rh3# 1-0
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[Event "Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Krug=Peter"] [Black "EO 211"] [Result "*"] [SetUp "1"] [FEN "7k/4r3/7K/8/8/4p1Q1/3b3B/1r1N1N2 w - - 0 0"] [PlyCount "25"] 1. Qg6 e2+ 2. Nde3 (2. Nfe3 $2 Rb6 3. Be5+ Rxe5 4. Qxb6 Rh5+ $1 5. Kxh5 e1=Q 6. Qd8+ Kg7 7. Qd7+ Kh8 $1 8. Qh3 Kg7 $1) 2... Rb6 (2... Bc3 3. Be5+ $1 Bxe5 4. Qxb1) (2... Rbb7 3. Qf6+ Kg8 4. Qg5+ Kf8 5. Qf5+ Ke8 6. Qh5+ $18) 3. Be5+ Rxe5 4. Qxb6 Bxe3+ 5. Nxe3 Rh5+ 6. Kg6 $1 (6. Kxh5 $2 e1=Q 7. Nf5 Qe8+ 8. Kh6 Qe6+ $11) 6... Rg5+ 7. Kxg5 e1=Q 8. Nf5 Qe5 9. Qd8+ Kh7 10. Qd7+ Kh8 11. Qc8+ Kh7 12. Qd8 Qe8 13. Qc7+ $18 *
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[Event "Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Mikitovics=Janos"] [Black "EO 200"] [Result "*"] [SetUp "1"] [FEN "8/3K4/1r6/N1k5/8/8/1Bp1P3/8 w - - 0 0"] [PlyCount "29"] 1. Ba3+ $1 ({TT?} 1. Bc1 $2 Rb5 $1 2. Ba3+ Kd5 3. e4+ Kxe4 4. Nc6 Rb3 5. Bc1 Rb1 6. Bh6 Rh1 7. Bg5 Rg1 8. Bh6 Rg7+ $19) 1... Kd5 2. Bc1 $1 (2. e4+ $2 Kxe4 3. Nc4 Rb4 $3 $19) 2... Rb1 3. Bh6 Rb5 4. e4+ $3 Kxe4 5. Nc4 $1 (5. Nc6 $2 Rh5 6. Bc1 Rh1 7. Bg5 Rg1 8. Bh6 Rg7+ $19) 5... Rh5 6. Bc1 Rh1 7. Bg5 Rg1 8. Bh6 Rg7+ $1 9. Kd8 $3 (9. Kc6 $2 Rg6+) 9... Rg6 10. Bc1 Rg1 11. Bh6 Rd1+ $1 12. Ke7 $3 (12. Kc7 $2 c1=Q) 12... Rh1 13. Bg5 Rh5 14. Bc1 (14. Na3 Rxg5 15. Nxc2 Rb5 16. Na3 Rc5 17. Kd6 Kd4 $19) 14... Rh1 15. Bg5 {pos.draw} *
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[Event "Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Pallier=Alain"] [Black "EO 208"] [Result "*"] [SetUp "1"] [FEN "6n1/8/8/PK1N4/8/1p1R2pb/7k/8 w - - 0 0"] [PlyCount "35"] 1. Ne3 $1 (1. Nf4 $2 Bf1 $1) (1. a6 $2 Bf1 $1) 1... g2 2. Nxg2 Bxg2 3. Rxb3 Ne7 4. Rc3 $1 (4. Ra3 $2 Nc6 $1 5. a6 Nb8 $1 6. a7 Nc6 7. a8=Q Nd4+ $11) 4... Nd5 ( 4... Bf1+ 5. Kc5 Kg2 6. Re3 Nf5 7. Re1 {/e5} Ba6 8. Re5 Ng3 9. Re6 Bf1 10. Kd4 Nf5+ 11. Ke4 Ng3+ 12. Ke5 $18) 5. Rc1 $1 ({try} 5. Rc8 $2 Bf1+ 6. Kc5 Nf4 $1 7. Kd4 Kg3 {/h3=}) ({Thematic try} 5. Rc2 $2 Kg3 $1 6. Kc5 Nc7 $1 7. Kb6 Nd5+ $1 8. Kc5 Nc7 9. Kb6 Nd5+ {positional draw}) (5. Rb3 Ne7 6. Rc3 Nd5 {loss of time} ) 5... Bf3 6. Rc8 $1 (6. a6 $2 Be2+ $11) (6. Rc2+ $2 Kg3 7. a6 Be4 8. Rc8 Bd3+ $1 $11) 6... Be2+ 7. Kc5 Nf4 $1 8. Kd4 $1 Ba6 9. Ra8 ({Thematic try} 9. Rg8 $2 Kh3 $1 10. Ke4 Ne6 11. Rg6 Bb7+ 12. Ke3 Bc8 13. Rg8 Ba6 14. Rg6 Bc8 {/c4 positional draw}) 9... Ne6+ 10. Ke3 $3 Nc5 11. Rf8 $3 ({Thematic try} 11. Rg8 $2 Kh3 $1 12. Rg6 Bf1 $3 13. Kf2 Ba6 14. Ke3 Bf1 {positional draw}) 11... Kg2 $1 12. Rf2+ (12. Rf6 $2 Bf1 13. Rf2+ Kg1 14. Rf5 Na6 $11) 12... Kg3 13. Rf6 Bb7 14. Rb6 $1 Bg2 15. Kd4 Nd7 16. Rb2 $1 Ba8 17. a6 Kf4 18. Rb5 $1 $18 *
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[Event "Sp.Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Becker=Richard "] [Black "EO 201"] [Result "1-0"] [SetUp "1"] [FEN "2k2r2/ppN3pp/8/8/6Kb/8/p1Q5/1r6 w - - 0 0"] [PlyCount "25"] 1. Nb5+ $1 {main} Kd7 ({main} 1... Kb8 2. Qh2+ Bg3 3. Qxg3+ Ka8 4. Nc7+ Kb8 5. Na6+ Ka8 6. Qb8+ Rxb8 7. Nc7#) 2. Qc7+ Ke6 3. Qd6+ Kf7 4. Qd5+ Kg6 5. Qh5+ Kf6 6. Qf5+ Ke7 7. Qe5+ Kf7 (7... Kd7 8. Qd6+ Ke8 9. Nc7+ Kf7 10. Qe6#) 8. Nd6+ Kg8 9. Qe6+ (9. Qd5+ $2 Kh8 10. Nf7+ Rxf7 $11) 9... Kh8 10. Nf7+ Kg8 11. Nh6+ Kh8 12. Qg8+ Rxg8 13. Nf7# {Development of the study by F.Kohnlein, 1914} 1-0
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[Event "Sp.Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Kekely=Lubos, Hlinjka=Michail"] [Black "EO 204"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/1Q1p4/2R1p2p/3rpbkP/3p4/3Pp3/4PN1r/K7 w - - 0 0"] [PlyCount "29"] 1. Ne4+ Bxe4 2. dxe4 Ra5+ $1 3. Kb1 $1 (3. Kb2 $2 Rxe2+ 4. Rc2 Rxc2+ 5. Kxc2 Ra2+ 6. Kb3 Ra1 7. Qxd7 e2 $19) 3... Rh1+ (3... dxc6 4. Qg7+ Kh4 5. Qf6+ Kg4 6. Qf3+ Kh4 7. Qf6+ Kg3 8. Qf3+ $11) 4. Rc1 $1 (4. Kb2 $2 dxc6 5. Qg7+ Kh4 6. Qf6+ Kg3 7. Qf3+ Kh2 $1 $19) 4... Rxc1+ 5. Kxc1 d3 $1 6. Qb2 $1 (6. Qb3 $2 d2+ 7. Kb2 Kxh5 $19) 6... d2+ 7. Kd1 Kf4 (7... Rc5 8. Qc3 $1 Rxc3 {stalemate}) 8. Qa2 $1 Rb5 (8... Rxa2 {stalemate}) 9. Qb2 $1 Rc5 (9... Rxb2 {stalemate}) 10. Qc3 $1 Rb5 (10... d6 11. Qxe3+ Kxe3 {stalemate}) (10... Rxc3 {stalemate}) 11. Qb2 Ra5 12. Qa2 Rc5 13. Qc4 $1 d6 $1 (13... Rc6 14. Qc5 $1 Rxc5 {stalemate}) 14. Qc3 Rb5 15. Qb2 $11 1/2-1/2
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[Event "Sp.Hm StrateGems 2011"] [Site ""] [Date "2011.12.25"] [Round ""] [White "Vrabec=Franjo"] [Black "EO 202"] [Result "*"] [SetUp "1"] [FEN "8/5nk1/4q2p/3pN1pp/8/3R1P2/4KP2/5Q2 w - - 0 0"] [PlyCount "17"] 1. f4 (1. Qa1 $2 Nxe5 2. Re3 Kf6 $11) 1... gxf4 2. Qg2+ $1 (2. Qg1+ $2 Kh7 $11) 2... Kf6 $1 (2... Kf8 3. Qxd5 Qxe5+ 4. Qxe5 Nxe5 5. Rd5 $1 Ng6 6. Rxh5 Kg7 7. Kf3 $18) 3. Qg6+ (3. Qxd5 $2 Qxd5 4. Rxd5 Nxe5 $11) (3. Rxd5 $2 Nxe5 4. Qe4 Qa6+ $11) 3... Kxe5 4. Re3+ $3 fxe3 5. f4+ Kd6 6. f5 Qxg6 7. fxg6 d4 8. g7 Ne5 9. g8=Q $18 *
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