www.arves.org - Magyar Sakkvilag 2009

Studies awarded for the Hungarian Magazine tournament Magyar Sakkvilag 2009.

[Event "2.p MSV-2009"] [Site ""] [Date "2009"] [Round ""] [White "Mikitovics János-Akobia, Iuri"] [Black "2009/4-LXXII."] [Result "1/2-1/2"] [SetUp "1"] [FEN "4K3/4n3/5P2/8/2p4k/4p3/3p4/6R1 w - - 0 1"] [PlyCount "19"] [EventDate "2008"] 
 {TA main theme: both kings have to hide behind the black c-pawn in the mainline and thematic try.} 1. f7 $1 (1. Rh1+ $5 {Interestingly looks an attack to black king by rook: but this is only a wrong try.} Kg3 {(after moves Kg4 and Kg5 will be same play )} 2. f7 {and here black should play very accurately -} Ng6 $1 (2... e2 $5 {in case, Black will play than play leads to interesting thematic line -} 3. f8=Q e1=Q 4. Rg1+ $3 Qxg1 (4... Kh2 5. Rxe1 dxe1=Q 6. Qf4+ Kh3 7. Qxc4 Nd5+ 8. Kf7 Qe7+ 9. Kg6 Qf6+ 10. Kh7 $11) 5. Qg7+ Kh2 6. Qh6+ $1 (6. Qh8+ $2 Kg2 $1 7. Qg7+ Kh1 $3 8. Qh7+ Qh2 $19) 6... Kg2 7. Qxd2+ Kf3 (7... Qf2 8. Qg5+ Qg3 9. Qd2+ Kh3 10. Qh6+ Kg2 11. Qd2+ {positional draw}) 8. Qc3+ Qe3 9. Qxc4 Nd5+ (9... Nf5+ 10. Kd7 $3 Qe7+ 11. Kc6 $11) 10. Kf7 $1 Qe7+ 11. Kg6 Qf6+ 12. Kh7 $11) 3. Rg1+ Kh2 4. Rxg6 e2 5. Rh6+ Kg3 6. Rg6+ Kh3 $3 (6... Kh4 $5 7. f8=Q {and play leads to main thematic line}) 7. Rh6+ Kg4 8. Rg6+ (8. f8=Q e1=Q+ 9. Kd8 d1=Q+ 10. Kc8 Qe4 11. Qg8+ Kf3 $19) 8... Kh5 $1 9. f8=Q e1=Q+ 10. Kf7 Qf1+ 11. Rf6 d1=Q $19 12. Qh6+ Kg4 13. Qg7+ Kh3 14. Qh6+ Kg2 15. Qg5+ Kh2 16. Qh4+ Qh3 17. Rf2+ Kg1 18. Qxh3 Qd5+ $19 {Gyarmati}) 1... Ng6 2. Rxg6 $3 (2. Rh1+ $5 Kg3 3. Rg1+ Kh2 4. Rxg6 e2 5. Rh6+ Kg3 6. Rg6+ Kh3 $3 7. Rh6+ Kg4 8. Rg6+ Kh5 $1 $19 {see try}) 2... e2 3. f8=Q e1=Q+ $1 4. Kd8 { (Kc7)} d1=Q+ $1 5. Kc8 $3 {(the white King hides behind of black c-pawn)} Qee2 (5... Qe5 6. Qf2+ $1 Kh5 7. Qf7 $3 Qg4+ 8. Rxg4+ $11) 6. Qf6+ $1 (6. Qh8+ $2 Qh5 7. Qf6+ Kh3 $19 8. Rh6 Qxh6 9. Qxh6+ $19) 6... Kh3 7. Kc7 $3 {again the white King hides behind of the black c-pawn} (7. Rh6+ $6 {Thematic try} Kg3 $1 (7... Kg2 $5 8. Rg6+ Kh3 9. Kc7 $3 $11 {see main line}) 8. Qh4+ Kf3 9. Qh3+ Ke4 10. Re6+ Kd5 11. Qf5+ Kd4 12. Qf6+ (12. Rd6+ Kc3 13. Qa5+ Kb2 14. Rxd1 Qxd1 $19 {Gyarmati}) 12... Kd3 $1 13. Qf5+ Kd2 $1 (13... Kc3 $5 14. Qa5+ Kb2 15. Qb4+ Kc1 16. Qc3+ Qec2 17. Qa1+ Kd2 18. Qa5+ Kd3 19. Rd6+ Ke4 20. Re6+ Kf3 21. Qh5+ Kg3 22. Qe5+ Kg4 23. Qg7+ Kf3 24. Qf6+ Kg3 25. Qe5+ {positional draw.}) 14. Qa5+ c3 $1 (14... Kc2 $5 15. Qa2+ Kd3 16. Qa3+ c3 17. Rd6+ $11) 15. Qg5+ Kc2 $3 $19 {now, the Black King hides behind of the black c-pawn such in main line (see the moves Kc8!!, Kc7!!)}) 7... Qh2+ {main B} (7... Qd5 {main A} 8. Rh6+ Kg3 9. Rg6+ $1 (9. Qh4+ $5 {Thematic try} Kf3 10. Qf6+ Ke4 11. Qg6+ Kd4 12. Qg1+ {thematic move of bK} Kc3 $1 13. Qc1+ Qc2 14. Rh3+ (14. Qa3+ Kd4 15. Rh4+ Qce4 16. Rxe4+ {Gyarmati}) 14... Qdd3 15. Qa3+ Qb3 $19) 9... Kh3 10. Rh6+ Kg2 11. Rg6+ {positional draw}) 8. Kc8 $3 {(same action as in move 5.Kc8, 7.Kc7)} Qg3 9. Rxg3+ (9. Rh6+ $5 Kg2 10. Qb2+ Kf3 $1 (10... Kg1 $5 11. Qb6+ Qf2 12. Qg6+ Qg2 13. Qb6+ Kf1 14. Rf6+ Qdf3 15. Qb1+ Kf2 16. Qb2+ $1 Ke1 17. Qc1+ $11) 11. Qc3+ Qd3 $19) 9... Kxg3 10. Qe5+ $1 {draw. (EGTB)} (10. Qg5+ $5 Qg4+ $19) ( 10. Qc3+ $5 Qd3 $19) 1/2-1/2

[Event "3.p MSV-2009"] [Site ""] [Date "2009"] [Round ""] [White "Eilazyan, Eduard "] [Black "2009/12-286."] [Result "1-0"] [SetUp "1"] [FEN "3N2k1/1R6/K7/b5NB/8/8/8/7q w - - 0 1"] [PlyCount "31"] 
 1. Nde6 (1. Bf3 $2 Qf1+ $1 2. Kxa5 Qa1+ 3. Kb5 Qb2+ 4. Kc5 Qc1+ $1 5. Kd6 Qf4+ $1 6. Kc6 Qc1+ 7. Kd6 Qf4+ 8. Ke6 Qxg5 $11) 1... Qa1 $1 {The only protection from the two threats.} 2. Rb8+ (2. Rg7+ $2 Qxg7 3. Nxg7 Kxg7 4. Kxa5 Kh6 $11) ( 2. Kb5 $2 Bd8 $1 3. Bf7+ Kh8 4. Nxd8 Qe5+ 5. Kc6 Qxg5 $11) 2... Bd8+ 3. Kb7 { Black now has to choose between  3...Qb1+ és 3...Qc1+. Two main lines:} {I.} Qb2+ ({II.} 3... Qb1+ 4. Kc8 Qd3 {On a chessboard almost the same position, as in a variant A after 4-th Black's move - a difference only in position of queen (Qh2-Qd3). This difference is essential, because here continuation 5. Bf7+? Kh8 6.Nxd8 Qc2+(?) 7.Kd7 Qd2+ 8.Ke8 Qxg5 9.Ne6! ...(and wins as in the main line of variant A) - is a thematic try.  Refutation: 6...Qc3+! 7.Kd7 Qd4+! 8.Ke8 Qe5+! (but not 8...Qa4+? 9.Nc6! Qxc6+ 10.Ke7+ Kg7 11.Ne6+ Kh7 12. Rb3 ... wins) 9.Nge6 Qxb8 draw.   But thanks to this difference White has received a new possibility!} 5. Bg6 $1 (5. Bf7+ $2 Kh8 6. Nxd8 (6. Bg6 Qxg6 7. Kxd8 Qg8+ 8. Kc7 Qxb8+ $11) 6... Qc3+ $1 (6... Qc2+ $2 7. Kd7 Qd2+ 8. Ke8 Qxg5 9. Ne6 $18 {and wins as in the main line of variant A}) 7. Kd7 Qd4+ $1 8. Ke8 Qe5+ $1 (8... Qa4+ $2 9. Nc6 $1 Qxc6+ 10. Ke7+ Kg7 11. Ne6+ Kh7 12. Rb3 $18) 9. Nge6 Qxb8 $11) 5... Qa6+ (5... Qxg6 $2 6. Kxd8 {and mate.}) 6. Kxd8 Qd6+ 7. Kc8 Qc6+ 8. Nc7 Qxg6 {Black won back material, but now final combination follows with winning of queen.} 9. Kd7+ Kg7 10. Nce6+ Kf6 11. Rf8+ Ke5 12. Nf3+ (12. Nf7+ $2 Kf5 13. Nd6+ Kg4 $11) 12... Ke4 {Avoiding the fork.} (12... Kd5 13. Nf4+ $18) 13. Nd2+ Ke3 (13... Ke5) 14. Nc4+ Ke4 (14... Ke2 15. Nf4+ $18) 15. Rf4+ Kd3 (15... Kd5 16. Rd4#) 16. Ne5+ Ke3 17. Nxg6 {wins.}) 4. Kc8 Qh2 $1 ({ More poorly} 4... Qe5 5. Bf7+ Kh8 6. Rb3 $1 $18) ({or} 4... Qd2 5. Bf7+ Kh8 6. Bg6 Kg8 7. Ne4 Qa2 8. Nxd8 Qa6+ 9. Kd7 Qxg6 10. Ne6+ Kf7 (10... Kh7 11. Nf8+) 11. Rf8#) 5. Bf7+ $1 ({But not} 5. Rb7 $2 Bxg5 6. Rg7+ Kh8 7. Rxg5 Qd6 {and white can't win.}) 5... Kh8 6. Nxd8 Qc2+ 7. Kd7 Qd2+ 8. Ke8 Qxg5 {Black has restored material equality, but final attack now follows.} 9. Ne6 $1 Qa5 (9... Qh4 10. Rd8 $1 Kh7 11. Rd4 $1 Qh1 12. Kf8 $1 Qa8+ 13. Be8 $1 Qa3+ 14. Kf7 $1 Qa7+ (14... Qg3 15. Bc6 Qf2+ 16. Rf4 Qa7+ 17. Kf6 Qg1 18. Ng5+ Kg8 19. Kg6 Qd1 20. Rf6 Qc2+ 21. Be4 Qc5 22. Ra6 $18) 15. Bd7 Qxd4 16. Nxd4 $18) 10. Ke7+ $1 Kh7 11. Rb3 {Fenyeget Bh3.} Qa7+ 12. Kf8 $1 Qa8+ 13. Be8 {because from a threat 14.Rh3+ Black does not have satisfactory defense.} Qg2 14. Rh3+ Qxh3 15. Ng5+ Kh6 16. Nxh3 {and wins.   The mating threat leads to win of queen.   (Certainly, Black has also other possibilities, but all of them lead to loss of a queen under the threat of mate. For instance, 9...Qh4 10.Rd8! Kh7 11.Rd4! Qh1 12.Kf8! Qa8+ 13.Be8! Qa3+ 14.Kf7! Qa7+ 15.Bd7 Qxd4 16.Nxd4 +/-;   or 14... Qg3 15.Bc6 Qf2+ 16.Rf4 Qa7+ 17.Kf6 Qg1 18.Ng5+ Kg8 19.Kg6 Qd1 20.Rf6 Qc2+ 21. Be4 Qc5 22.Ra6 +/-.)} 1-0

[Event "2.hm MSV-2009"] [Site ""] [Date "2009"] [Round ""] [White "Bergkwist, David"] [Black "2009/2-LXX."] [Result "1/2-1/2"] [SetUp "1"] [FEN "B4Q2/1P1P4/8/7p/4n1p1/5p2/4pk2/7K w - - 0 1"] [PlyCount "27"] [EventDate "2009"] 
 1. Qb4 Ng3+ 2. Kh2 Nf1+ 3. Kh1 g3 4. Qe1+ $3 (4. Qd4+ $2 Ne3 5. Qa1 g2+ 6. Kh2 Nf1+ $1 7. Kh3 g1=Q 8. Qd4+ Ne3 9. Qh4+ (9. b8=Q Qg2+ 10. Kh4 e1=Q 11. Qbb2+ Kf1+ 12. Kxh5 Qh3+ 13. Kg6 Qf5+ 14. Kh6 Ng4+ 15. Kg7 Qe7+ 16. Kg8 Qff8#) 9... Kf1 $19) 4... Kxe1 5. b8=Q (5. d8=Q Kf2 6. Qd4+ Ne3 7. Qa1 g2+ 8. Kh2 Nf1+ 9. Kh3 g1=Q 10. Qd4+ Ne3 11. b8=Q Qg2+ 12. Kh4 e1=Q 13. Kxh5 Qeh1+ 14. Qh4+ Qxh4+ 15. Kxh4 Qg4#) 5... Kf2 6. Qa7+ $1 (6. Qb6+ Ne3 7. Qb1 g2+ 8. Kh2 Nf1+ 9. Kh3 g1=Q 10. Qb6+ Ne3 $19) 6... Ne3 7. Qa1 g2+ 8. Kh2 Nf1+ (8... Ng4+ 9. Kh3 g1=Q 10. Qxg1+ Kxg1 11. Bxf3 e1=Q 12. d8=Q Qf1+ 13. Kg3 Qf2+ 14. Kf4 Kh2 15. Qd3 Qg3+ 16. Kf5 $11) 9. Kh3 g1=Q 10. Qd4+ Ne3 11. Qh4+ Kf1 12. Bxf3 e1=Q (12... Ng2 13. Bxe2+ $11) 13. d8=Q {draw.} (13. Qxe1+ $2 Kxe1 14. d8=Q Qf1+ 15. Kg3 Qf2+ 16. Kf4 Ng2+ 17. Ke4 Qe3+ $19) 13... Qc3 14. Qdf6 (14. Qe4) 1/2-1/2

[Event "5.hm MSV-2009"] [Site ""] [Date "2009"] [Round ""] [White "Minerva, Enzo"] [Black "2009/12-287."] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3PPq2/7p/8/6Rb/2N3pk/8/3B2K1 w - - 0 1"] [PlyCount "10"] [EventDate "2009"] 
 1. Ne4 Qxe7 (1... Qa2 2. Rxg3+ $1 Bxg3 3. Bg4+ $1 Kxg4 4. e8=Q $11 (4. d8=Q $2 Qb1+ $1 5. Kg2 Qxe4+ $19)) 2. Kh1 $1 {and here are three main lines:} (2. Rf4 $2 Bg5 $1 3. Rg4 Be3+ $1 4. Kf1 (4. Nf2+ Bxf2+ 5. Kf1 Qe1#) (4. Kh1 Qxe4+ 5. Rxe4 g2#) 4... Qf8+ 5. Ke2 Kxg4 6. Kxe3+ Kh3 $19) {I.} 2... Qxd7 ({II.} 2... h5 3. Bf3 $1 Qf8 (3... Qxd7 $2 4. Rf4 $1 {and mate or capture queen.}) 4. Nd2 $1 Qd6 5. Nc4 Qf6 6. Ne5 $1 Qxe5 7. Rxh4+ Kxh4 8. d8=Q+ {draw.} Kh3 $11 (8... Qg5 $2 9. Qd4+ Kh3 10. Bg2#)) (2... Qf8 3. Be2 $1 h5 4. d8=Q Qxd8 $1 (4... Bxd8 $2 5. Rxg3+ Kh4 6. Kg2 Qf5 7. Nd2 $1 Bc7 8. Nf3+ Qxf3+ 9. Rxf3 $18) 5. Rg6 $1 (5. Rg7 $2 Qf8 $1 6. Rxg3+ (6. Rg6 Qf5 $19) 6... Bxg3 7. Ng5+ Kh4 8. Nf3+ Kg4 $19) 5... Qf8 6. Kg1 $1 g2 7. Rxg2 Qf4 8. Bf1 Qe3+ 9. Rf2+ Kg4 10. Be2+ Kh3 11. Bf1+ {positional draw wwith perpetual check.}) 3. Rxg3+ $1 Bxg3 4. Bg4+ Qxg4 (4... Kxg4 5. Nf6+ {and Nxd7 =}) 5. Nf2+ {and now:} Bxf2 {stalemate.} (5... Kh4 6. Nxg4 Kxg4 {theoretical draw.}) 1/2-1/2

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Daily task - Stalemate