www.arves.org - Olimpiya Dunyasi 2013

Studies awarded for the Russian Magazine tournament Olimpiya Dunyasi 2013.

[Event "1st Prize, Olimpiya dunyasi"] [Site ""] [Date "2013"] [Round ""] [White "Richard Becker (USA)"] [Black "study 945"] [Result "1-0"] [SetUp "1"] [FEN "8/4bq2/8/1Q6/8/5B2/P1kp4/K7 w - - 0 1"] [PlyCount "33"] [EventDate "2013"] 
 1. Qc6+ $1 (1. Qa4+ $2 Kc3 {=}) 1... Kd3 2. Qe4+ Kc3 3. Qe5+ $1 (3. Qe3+ $2 Kb4 4. a3+ Kb5 {=}) 3... Kc2 (3... Kb4 4. a3+ $1 {+-}) 4. Be4+ Kd1 (4... Kc1 5. Qc3+ Kd1 6. Bf3+ {+-}) 5. Kb2 $1 (5. Kb1 $2 Ke1 {(Ke2) =}) 5... Ba3+ 6. Kxa3 ( 6. Kb1 $2 Ke1 {(Ke2) =}) 6... Qa7+ 7. Kb4 $1 (7. Kb3 $2 Qe3+ {-+}) (7. Kb2 $2 Qb6+ 8. Ka1 Qe3 9. Qh5+ Kc1 {=}) 7... Qxa2 (7... Qb6+ 8. Qb5 Qd6+ 9. Qc5 Qf4 10. Qc4 Qd6+ 11. Kb3 Ke1 12. Bc2 {+-}) 8. Qh5+ $1 (8. Bd5 $2 Kc1 {=}) (8. Bd3 $2 Qa7 9. Kb3 Qb7+ {(Qf7+) =}) (8. Bf5 $2 Qf7 9. Bg4+ Kc1 {(Kc2)} 10. Qc3+ Kb1 {=}) (8. Bg6 $2 Qa6 {(Qg8) =}) 8... Ke1 9. Qh1+ Ke2 {(Kf2)} 10. Qf3+ Ke1 11. Qg3+ Kd1 12. Qe5 $1 Qf7 13. Bd5 $1 (13. Bc6 $2 Qh7 {(Qg6)} 14. Ba4+ Kc1 15. Qc3+ Kb1 16. Qb3+ Ka1 17. Qa3+ Kb1 {=}) 13... Qf8+ (13... Qh7 14. Bb3+ Kc1 15. Qa1+ {+-}) 14. Kb3 $1 (14. Ka4 $2 Kc2 15. Be4+ (15. Bb3+ Kd3 {=}) 15... Kd1 16. Bd3 Qa8+ 17. Kb3 Qb7+ 18. Bb5 (18. Ka3 Qa7+ {(Qa8+)} 19. Kb2 Qb7+ 20. Bb5 Qe4 { etc.}) 18... Qf3+ 19. Ka2 Qa8+ 20. Kb2 Qe4 21. Qxe4 {stalemate} (21. Ba4+ Qxa4 {=})) 14... Qf2 15. Bc4 $1 (15. Bc6 $2 Qf7+ 16. Ka3 Qf8+ 17. Kb3 Qf7+ 18. Bd5 Qf2 {loss of time}) (15. Kb2 $2 Qe2 {(Qe3) =}) 15... Qf3+ (15... Qb6+ 16. Bb5 { +-}) 16. Kb2 (16. Ka2 $2 Qa8+ 17. Kb2 Qe4 {loss of time}) 16... Qe4 17. Bb3+ { +-} 1-0

[Event "2nd Prize, Olimpiya dunyasi"] [Site ""] [Date "2013"] [Round ""] [White "Akobia=I & Garcia=M"] [Black "study 946"] [Result "1-0"] [SetUp "1"] [FEN "R4KNk/P4p2/p7/p7/7B/5P1p/8/5qb1 w - - 0 1"] [PlyCount "33"] [EventDate "2013"] 
 1. Rc8 $1 (1. Rd8 $2 Bxa7 ({not} 1... Qxf3 $2 2. a8=Q Qxa8 3. Rxa8 h2 {main line}) (1... Bc5+ $2 2. Ne7 $18) 2. Nf6 Bb6 $19) 1... Qxf3 2. a8=Q Qxa8 (2... Bc5+ 3. Ne7 $18) 3. Rxa8 h2 4. Rxa6 Be3 5. Rxa5 Bh6+ 6. Nxh6 h1=Q 7. Rh5 $1 ({ Thematic try} 7. Nxf7+ $2 Kh7 8. Bd8 Qg2 $1 ({not} 8... Qf3 $2 9. Ra6 Qc6 10. Rb6 $1 $18) 9. Rh5+ Kg6 10. Rg5+ Kh7 11. Rxg2 {stalemate} (11. Bf6 Qa8+ $1 $11) ) 7... Qa8+ 8. Kxf7 Qa2+ (8... Qb7+ 9. Be7 Qb3+ 10. Kg6 Qe6+ 11. Bf6+ $18) 9. Kg6 Qg2+ (9... Qe6+ 10. Bf6+ $18) 10. Bg5 (10. Kf7 $2 Qg6+ $1 11. Kxg6 { stalemate}) 10... Qe4+ (10... Qc2+ {(c6)} 11. Nf5+ $18) 11. Nf5+ Kg8 12. Bf6 Qg2+ (12... Qe8+ 13. Kg5 $18) 13. Rg5 Qa2 14. Rg4 $3 (14. Rg3 $2 Kf8 $1 (14... Qe2 $2 15. Rc3 Qe8+ 16. Kg5 $18) 15. Rc3 (15. Bg7+ Ke8 $11) 15... Qf7+ 16. Kg5 Qa2 $1 17. Nd6 Qg2+ 18. Kh6 Qh2+ 19. Kg6 Qg1+ $13) 14... Kf8 ({main} 14... Qe2 15. Rg3 $1 (15. Rd4 $2 Qg2+ $1 16. Bg5 Qc6+ 17. Rd6 Qe8+ 18. Kh6 Qf8+ $11) 15... Kf8 16. Bg7+ Ke8 (16... Kg8 17. Nh6#) 17. Re3+ $18) 15. Rc4 $3 Qxc4 ( 15... Ke8 16. Rd4 Qg2+ (16... Qf7+ 17. Kg5 Qg8+ 18. Ng7+ Kf7 19. Rd7+ $18) 17. Bg5 Qc6+ 18. Rd6 $18) 16. Bg7+ Ke8 17. Nd6+ $18 1-0

[Event "3rd Prize, Olympiya dunyasi"] [Site ""] [Date "2013"] [Round ""] [White "Borislav Ilincic, Mirko Miljanic"] [Black "Branislav Djurasevic (Serbia), study 1079"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/q7/7Q/7p/7p/6R1/2p5/3n1k1K w - - 0 1"] [PlyCount "15"] [EventDate "2013"] 
 1. Rg2 $1 (1. Rf3+ $2 Ke2 $1 (1... Nf2+ $2 2. Rxf2+ Qxf2 (2... Kxf2 3. Qd2+ Kf1 (3... Kf3 4. Qg2+ Kf4 5. Qxc2 $11) 4. Qc1+ Kf2 5. Qxc2+ $11) 3. Qc1+ $1 (3. Qf4 $2 h3 $1 4. Qc1+ Qe1 5. Qxc2 h4 $1 $19) 3... Qe1 4. Qxc2 h3 5. Qf5+ Ke2+ 6. Kh2 $18) (1... Ke1 $2 2. Qe6+ $1 $11) (1... Qf2 $2 2. Qa6+ Ke1 3. Rxf2 Nxf2+ 4. Kg2 c1=Q 5. Qf1+ $11) 2. Qxh5 (2. Qc6 Qd4 3. Rf8 Ne3 4. Qb5+ (4. Qa6+ Qd3 5. Rf2+ Kxf2 6. Qxd3 c1=Q+) (4. Qf3+ $19 Kd2 5. Qf2+ Kd3 $19) 4... Ke1 5. Qg5 Qd5+ $19) 2... Qb7 $19) (1. Qf4+ $4 Nf2+ 2. Kh2 hxg3+ $19) 1... h3 $5 (1... Qe3 $6 2. Qa6+ $1 (2. Qf6+ $2 Nf2+ $1 (2... Qf2 3. Qa6+ $11) 3. Rxf2+ Qxf2 4. Qf4 (4. Qa6+ Qe2 5. Qf6+ Ke1 6. Qxh4+ Kd1 $19 {EGTB}) 4... h3 $1 5. Qc1+ Qe1 6. Qxc2 h4 $1 $19 {See comments into main thematic variations (solution and thematic try)} 7. Qf5+ Ke2+ 8. Kh2 Qg3+ 9. Kh1 Qg2#) (2. Qf4+ $4 {Fighting for tempo here is not possible} Qxf4 $19 (2... Nf2+ $4 3. Rxf2+ Qxf2 4. Qc1+ Qe1 5. Qxc2 $11)) 2... Ke1 3. Qa5+ Nc3 4. Rxc2 Qe4+ 5. Rg2 $11) (1... Nf2+ $2 2. Rxf2+ $1 $11) 2. Qf6+ $3 (2. Qf4+ $2 {Thematic try} Nf2+ $1 (2... Qf2 $2 3. Qc4+ Ke1 4. Rxf2 Nxf2+ 5. Kg1 $11) (2... Ke1 $4 3. Qd2+ Kf1 4. Qe2#) 3. Rxf2+ Qxf2 4. Qc1+ Qe1 5. Qxc2 h4 $1 {Mutual zugzwang, white to play. Compare with main variation 2. Qf6 and 5.Q:c2} 6. Qg6 (6. Qb2 Qe4+ 7. Kh2 Qf4+ $1 (7... Qg2+) 8. Kh1 Qf3+ 9. Kh2 Qg3+ 10. Kh1 Qg1#) (6. Qf5+ $5 Ke2+ 7. Kh2 Qg3+ $1 8. Kh1 Qg2#) 6... Kf2+ 7. Kh2 Qe5+ 8. Kxh3 (8. Kh1 Qd5+ 9. Kh2 Qg2+ 10. Qxg2+ hxg2 $19 {Echo motive for winning}) 8... Qg3+ 9. Qxg3+ hxg3 $19 {Echo motive for winning}) (2. Qf8+ $2 Qf2 $3 (2... Nf2+ $2 3. Rxf2+ Qxf2 4. Qf4 $11) 3. Rxf2+ (3. Rg1+ Ke2 4. Qe8+ Qe3 5. Qb5+ (5. Qxh5+ Qf3+) 5... Kd2 6. Qd5+ Qd3 7. Qa5+ Nc3 8. Kh2 (8. Qg5+ Qe3 9. Qd8+ Ke2 $19 10. Qg8 c1=Q 11. Rxc1 Qxc1+ 12. Kh2 Qd2 13. Kxh3 Ne4 $19 14. Qg2+ Nf2+ 15. Kh4 Qd4+ 16. Kxh5 Qh8+) 8... Qe2+ (8... c1=Q $2 9. Qg5+ $11) 9. Kxh3 Qf3+ 10. Kh2 Qf4+ 11. Kh3 c1=Q 12. Qd8+ Kc2 13. Rxc1+ Kxc1 $19) 3... Nxf2+ 4. Kh2 c1=Q $19) (2. Rg3 $2 Nf2+ (2... h4 $5 3. Rf3+ Ke2 $19) 3. Kh2 Ng4+ 4. Rxg4 Qf2+ $1 5. Kxh3 (5. Kh1 Qg2+ $1 6. Rxg2 hxg2+ $19) 5... hxg4+ 6. Kxg4 Qd4+ 7. Kf5 Qd5+ 8. Kg4 Qe4+ 9. Kg3 Qg2+ $19) (2. Rxc2 $4 Qg1#) (2. Qg5 $2 hxg2+ 3. Qxg2+ Ke1 4. Qxc2 Nf2+ $19) 2... Nf2+ (2... Qf2 $2 3. Qa6+ $1 (3. Rg1+ Ke2 4. Qa6+ $1 Kd2 5. Qd6+ Kc1 6. Qa3+ $11) 3... Ke1 4. Qa5+ $11) (2... Ke1 3. Rxc2 $11) 3. Rxf2+ Qxf2 4. Qf4 $1 h4 (4... Ke2 5. Qd2+ $1 Kxd2 $11 (5... Kf1 6. Qe2+) (5... Kf3 6. Qf4+)) (4... Qxf4 $11) (4... h2 5. Qc1+ Qe1 6. Qxc2 $11) 5. Qc1+ Qe1 6. Qxc2 {Mutual zugzwang, black to play.} Qa1 $5 (6... Qg3 7. Qe2+ $11 ) (6... Qe3 7. Qc4+ Kf2 8. Qxh4+ $11) 7. Qf5+ $1 {Now it works, because black queen is not on e1} (7. Qd3+ $2 Kf2+ 8. Kh2 Qg1+ 9. Kxh3 Qg3+ $19) (7. Qd2 $2 Qa8+ $1 8. Kh2 Qg2+ $19) 7... Ke2+ 8. Kh2 $11 {And there is no diagonal (b8-h2) check} 1/2-1/2

[Event "2nd comm, Olimpiya dunyasi"] [Site ""] [Date "2013"] [Round ""] [White "Krug=Peter (AUT) , Minski=Martin (GER)"] [Black "study 988"] [Result "1/2-1/2"] [SetUp "1"] [FEN "2kq4/rp4Q1/2p5/8/5p2/8/6B1/4RKn1 b - - 0 1"] [PlyCount "21"] [EventDate "2013.04.30"] 
 {btm} 1... f3 $1 2. Bh3+ $1 (2. Qg4+ $2 Kb8 3. Qg3+ Ka8 4. Kxg1 fxg2 $19) (2. Bxf3 $2 Nxf3 3. Qg4+ Kb8 4. Qxf3 Ra2 $19) (2. Kxg1 $2 fxg2 3. Qf7 Qd4+ 4. Kxg2 Qd5+ 5. Qxd5 cxd5 $19) (2. Bh1 $2 Ra2 $19) 2... Nxh3 3. Qg4+ (3. Re8 $6 Ra1+ $1 (3... Qxe8 $2 4. Qc7+ $1 {/Qxb7+!} Kxc7 {stalemate}) 4. Qxa1 Qxe8 5. Qa8+ Kd7 6. Qxb7+ Ke6 7. Qb3+ Kf5 8. Qd5+ $1 Qe5 $1 (8... cxd5 $2 {stalemate}) 9. Qd3+ Qe4 10. Qd7+ Qe6 $19) 3... Kb8 4. Qg3+ $1 (4. Qg8 $6 Qxg8 $1 (4... Qc8 $2 5. Qg3+ $11) 5. Re8+ $1 Kc7 $1 $19 (5... Qxe8 $2 {stalemate})) 4... Ka8 (4... Nf4 5. Qxf4+ Ka8 6. Qd4 $1 Qg8 7. Qg4 $1 Qh8 8. Qh4 $1 $11) 5. Qg8 $3 Qb8 $1 ({main } 5... Qxg8 6. Re8+ $1 Qxe8 {mirror stalemate}) 6. Qh8 $3 (6. Re8 $4 Ra1+ $1 $19) 6... Ra2 7. Re8 Rf2+ (7... Ra1+ $4 8. Qxa1# {pin mate}) 8. Ke1 Re2+ 9. Kf1 $1 Rxe8 10. Qa1+ Qa7 11. Qxa7+ Kxa7 {echo mirror stalemate} 1/2-1/2

[Event "Olimpiya dunyasi"] [Site ""] [Date "2013"] [Round ""] [White "Martin Minski (Germany)"] [Black "study 957"] [Result "1-0"] [SetUp "1"] [FEN "KB5r/P1Pp4/P2P4/5k2/2p5/5P2/3P1P2/1b6 b - - 0 1"] [PlyCount "14"] [EventDate "2013.03.03"] 
 {BTM} 1... c3 $1 2. dxc3 Ba2 3. c4 $1 ({thematic try:} 3. c8=Q $2 Rxc8 4. Kb7 Rxc3 $1 5. a8=Q Bd5+ {(compare with the mainline after 6...Bd5+)} 6. Ka7 Bxa8 7. Kxa8 Rb3 $1 8. Bc7 Ke6 9. f4 Rb2 $1 $11 {draw, e. g.} 10. Ka7 (10. f5+ Kxf5 $11) (10. f3 Rb3 $11) 10... Kd5 $1 11. f5 (11. Bb6 Kc6 $1 $11) 11... Kc6 12. f3 Rb3 13. f4 Rb4 14. f6 (14. Bd8 Rxf4 15. Kb8 Rb4+ 16. Kc8 Ra4 17. Bc7 Rxa6 $11) 14... Rxf4 15. Bd8 Kxd6 $11) (3. Kb7 $2 Bd5+ 4. Kb6 Ba8 $11) 3... Bxc4 4. c8=B $1 (4. c8=Q $2 Bd5+ 5. Qb7 Kf4 $1 6. Qxd5 Rxb8+ 7. axb8=Q {/Kxb8 stalemate}) 4... Rxc8 (4... Bd5+ 5. Bb7 Bxb7+ (5... Kf4 6. Bxd5 {no stalemate}) 6. Kxb7 $18 ) 5. Kb7 Rc5 (5... Rh8 6. a8=Q Bd5+ 7. Ka7 Bxa8 8. Kxa8 $18) (5... Rc6 6. a8=Q Bd5 7. Qa7 $18) 6. a8=Q Bd5+ 7. Kb6 $1 (7. Ka7 $2 Bxa8 8. Kxa8 Rb5 $1 9. Bc7 Ke6 $1 10. f4 Rb2 $1 $11 {see the tematic try}) 7... Bxa8 8. Kxc5 $18 1-0