www.arves.org - Zadachy i Etyudy 2009

Studies awarded in the Zadachy i Etyudy Magazine tournament 2009.

[Event "1.p Zadachy i Etyudy"] [Site ""] [Date "2009.08.25"] [Round ""] [White "Pervakov=O"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4r3/kp1p2p1/p5R1/K7/n7/1B4B1/1b6/5R2 b - - 0 1"] [PlyCount "20"] [EventDate "2009"] [SourceDate "2005.01.24"] 
 1... Nb6 $1 (1... Nc5 $2 2. Kb4 $1 Nd3+ 3. Kc4) 2. Rf3 $1 (2. Rxb6 $2 Bc3+ 3. Rb4 Re4 4. Bf2+ Kb8 $1 5. Bc5 Bxb4+ 6. Bxb4 b6+ $1 7. Ka4 a5) (2. Kb4 $2 Re4+ 3. Kc5 Ba3#) 2... Rf8 $1 (2... Rh8 3. Kb4 Rh5 4. Ba4) 3. Bb8+ $1 (3. Rxf8 $2 Bc3#) (3. Rd3 $2 Rf5+ 4. Kb4 a5#) 3... Rxb8 4. Rxb6 Bf6 $1 (4... Be5 5. Rg6 $1) 5. Rfxf6 $1 (5. Rb4 $2 Bd8+ 6. Ka4 b5+ $1 7. Ka3 Be7) 5... gxf6 6. Bd5 f5 7. Bh1 $1 (7. Bf3 $2 f4 8. Bd5 f3 $1 9. Bxf3 Rf8 $1 10. Rxb7+ Ka8 11. Bd5 Rf5 $1 12. Rxd7+ Kb8 13. Kb6 Rf6+ $1 (13... Rf8 $2 14. Rb7+ Kc8 15. Be6+ Kd8 16. Bf7) 14. Bc6 Kc8) (7. Bg2 $2 Rg8 $1 8. Rxb7+ Ka8 9. Bf3 Rg3 $1 10. Bd5 Rg4 $1 11. Kxa6 Ra4+ 12. Kb5 Ra1 $1 (12... Ra3 $2 13. Kb6) 13. Kc5 Ra6 $1) 7... f4 (7... Rh8 8. Rxb7+ Ka8 9. Bd5 Rh4 10. Rb4+) 8. Bf3 $1 d5 (8... Re8 9. Rxb7+ Ka8 10. Rb6+ Ka7 11. Rxa6+ Kb8 12. Ra8+) (8... d6 9. Bd5 f3 10. Bxf3 Rf8 11. Rxb7+ Ka8 12. Rf7+) 9. Bxd5 f3 (9... Rd8 10. Rxb7+ Ka8 11. Rd7+) 10. Bxf3 Ka8 11. Rxa6# 1-0

[Event "3-5.p Zadachy i Etiudy"] [Site ""] [Date "2009.04.21"] [Round ""] [White "Matveev=S"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2R5/8/4P3/5P2/5kp1/2p1r3/7p/7K w - - 0 1"] [PlyCount "31"] [EventDate "2009"] [SourceDate "2005.01.24"] 
 1. e7 $1 (1. Kxh2 $2 Kf3) 1... Rxe7 2. f6 $1 (2. Rc4+ $2 Re4 3. Rxc3 g3) 2... Re3 3. f7 Kg3 $1 4. Re8 $1 Rd3 5. Re1 Rf3 6. f8=Q $1 Rxf8 7. Re3+ Rf3 (7... Kf4 8. Rxc3 g3 9. Rxg3 Kxg3) 8. Rxc3 $1 Kf2 (8... Kh4 {<main>} 9. Rc4 $1 Kh3 $1 10. Rc3 $1 Kh4 11. Rc4) (8... Rxc3) 9. Rc1 $1 (9. Rc2+ $2 Ke1 $1 10. Kxh2 (10. Rxh2 Rf1+ 11. Kg2 Rf2+) (10. Rc1+ Kd2 11. Ra1 g3) 10... Rf2+ $1 11. Rxf2 Kxf2) 9... Re3 (9... Rh3 10. Rc2+ Ke1 11. Ra2 (11. Rxh2 $2 Rxh2+ 12. Kxh2 Kf2)) 10. Rc2+ $1 Kf1 $1 (10... Ke1 11. Kxh2 Re2+ 12. Rxe2+ Kxe2 13. Kg3) (10... Re2 11. Rc3) 11. Rc1+ (11. Kxh2 $2 Rh3#) (11. Rxh2 $2 Rg3 12. Rh4 (12. Ra2 Rh3+ 13. Rh2 g3) 12... Rg1+ 13. Kh2 Kf2) 11... Kf2 12. Rc2+ Kf1 (12... Kf3 13. Rg2 Rd3 (13... Re2 14. Rg3+ Kxg3) 14. Rd2 Rxd2) 13. Rc1+ Re1 14. Rc3 $1 Kf2+ 15. Kxh2 Re8 16. Rc2+ 1/2-1/2

[Event "sp. p Zadachy i Etyudy"] [Site ""] [Date "2009.08.25"] [Round ""] [White "Kalyagin=V Osintsev=S"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/5K2/1k6/1b6/1N6/5p2/8/8 w - - 0 1"] [PlyCount "29"] [EventDate "2009"] [SourceDate "2005.01.24"] 
 1. Nd5+ Kc5 2. Nf6 $1 (2. Nc3 $2 Kd4 $1 3. Nd1 Ke5 $1 (3... Kd3 $2 4. Nf2+ Ke3 5. Nh1 $1 Bf1 6. Kg6 Bg2 7. Ng3) 4. Kg6 Kf4 5. Nf2 Bc6 $1 6. Kh5 Kg3 7. Ng4 Bd7 8. Ne3 Kf2 9. Nc2 Kf1 $1 (9... Kg1 $2 10. Nd4 f2 11. Nf3+ Kf1 12. Nd2+ Ke1 13. Nf3+ Ke2 14. Nh2) 10. Kh4 f2 11. Kg3 Bf5 12. Nd4 Bd3 13. Nf3 Bc4 14. Nd4 Ke1) 2... Bd7 $1 3. Ne4+ (3. Nxd7+ $2 Kd4) 3... Kd4 4. Nf2 $1 (4. Ng3 $2 f2 $1 5. Kf6 Ke3 6. Kg5 Kf3 7. Kh4 Kg2 $1) 4... Ke3 5. Nh1 $1 (5. Nd1+ $2 Ke2 6. Nc3+ Kd2 7. Ne4+ Ke3 8. Ng3 f2 9. Kf6 Kf3 10. Nf1 Bb5) 5... Bh3 (5... Ke2 {<main>} 6. Kf6 $1 (6. Kg6 $2 Kf1 7. Ng3+ Kf2 8. Ne4+ Ke3 9. Ng3 f2 10. Kg5 Kf3) 6... Kf1 7. Ng3+ Kf2 8. Ne4+ Ke3 9. Ke5 $1 $11) 6. Kg6 $1 (6. Kf6 $2 Bg2 7. Ng3 Kf4 $1 8. Nh5+ Kg4) 6... Bg2 7. Ng3 Kf4 (7... f2 {<main>} 8. Kf5 (8. Kg5 $2 Kf3 9. Kh4 Kf4 10. Ne2+ Ke3 11. Ng3 Kf3 $1) 8... Bh3+ (8... Kf3 9. Ne4 Bh3+ 10. Ke5 f1=Q 11. Nd2+) 9. Ke5 Bg2 10. Kf5 Bb7 11. Kg4 Bc8+ 12. Kh4 Kf3 (12... Kf4 { <main>} 13. Nf1 Kf3 14. Nd2+ Ke3 15. Nf1+ Kf3 16. Nd2+) 13. Nf1 Ba6 14. Nh2+ Kf4 (14... Kg2 15. Ng4 $1) 15. Kh3 Bb7 16. Nf1 $1) 8. Nh5+ Kg4 9. Nf6+ $1 Kf4 10. Nh5+ Kg4 11. Nf6+ Kg3 12. Ne4+ Kf4 13. Nf2 Kg3 14. Ne4+ (14. Nd1 $2 Bf1 15. Kf5 (15. Kg5 Bd3 $1) 15... Be2 $1 16. Ne3 Bd3+ $1 17. Ke5 f2 18. Kd4 Ba6 19. Ke4 Bb7+ $1 20. Kd3 Kf3) 14... Kf4 15. Nf2 $11 1/2-1/2

[Event "comm. Zadachy i Etiudy"] [Site ""] [Date "2009.08.25"] [Round ""] [White "Rossi=P Campioli=M"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5b2/4n3/2P5/3b4/k7/N7/3R4/2K1B3 w - - 0 1"] [PlyCount "19"] [EventDate "2009"] [SourceDate "2005.01.24"] 
 {Pat a Mat/6} 1. Rd4+ $1 (1. Rd3 $2 Bxc6) (1. c7 $2 Bh6 2. Bh4 Nc8) 1... Kxa3 ( 1... Kb3 2. Nc2 Bxc6 (2... Nxc6 3. Rxd5) 3. Rb4+ Ka2 4. Rb2#) 2. Bb4+ (2. c7 $2 Bh6+ 3. Kc2 (3. Bd2 Bxd2+ 4. Kxd2 Be6 5. Re4 Nd5) 3... Bb3+ 4. Kd3 Nc8 5. Bb4+ (5. Rh4 Bg5) 5... Kb2 6. Bc3+ Ka3 7. Rh4 Bg5 8. Rh5 Bf4 9. Ra5+ Ba4 10. Ra8 Nb6 ) 2... Kb3 (2... Ka2 3. c7 Kb3 (3... Bh6+ 4. Bd2 Bxd2+ 5. Rxd2+ Kb3 6. Rxd5) 4. Bxe7 Bh6+ 5. Kd1 Be6 6. Rd8) 3. Bxe7 (3. c7 $2 Bb7 4. Bxe7 Bxe7 5. Rd8 Kc4) 3... Bh6+ $1 (3... Bxe7 4. Rxd5) 4. Kd1 $1 (4. Kb1 $2 Bxc6 5. Rd6 Be4+ 6. Ka1 Bg7+ $1) 4... Bxc6 (4... Be6 5. c7 Kc3 (5... Bg7 6. Rb4+ Kc3 7. Rb8) 6. Rd8) 5. Rd6 Bf3+ 6. Ke1 Bg7 7. Rd3+ (7. Kf2 $2 Bh1) 7... Bc3+ $1 8. Kf2 $1 (8. Kf1 $2 Bb7) 8... Be4 9. Re3 Bc2 10. Bf6 $18 { . This study was published in "Pat a Mat", 2009  (IA)} 1-0