Der brillante Schachzug (69)

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Weiß zieht und gewinnt

5B1q/3N3p/p3p2p/7k/B7/5PP1/K6P/8 w

© Mihai Neghina, Studie 2010/7, Urdruck Glarean Magazin

Lösung: —>(weiterlesen…)

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Diese Studie von Mihai Neghina erscheint hier als Urdruck. Nachfolgend der originale Kommentar
des Autors als importierbares PGN-File/Chessbase —>(Copy&Paste).

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[Event “Study July 2010”]
[Site “?”]
[Date “????.??.??”]
[Round “?”]
[White “Mihai Neghina”]
[Black “White wins”]
[Result “*”]
[SetUp “1”]
[FEN “5B1q/3N3p/p3p2p/7k/B7/5PP1/K6P/8 w – – 0 1”]
[PlyCount “?”]
[TimeControl “?”]

1. Ne5 {creates the fortress around the black king, even sacrificing a piece for it.}
Qxf8 (1… Qxe5 2. Be8+ Kg5 3. f4+ Qxf4 4. gxf4+ Kxf4 5. Bxh6+ $16 {
easily winning with 2 bishops}) (1… Qf6 2. Be8+ Kg5 3. Nf7+ Kf5 (3… Kh5 4.
Nxh6+ Kg5 5. h4#) 4. Nxh6+ Ke5 5. Ng4+ $16 {fork}) 2. f4 ({Not} 2. Bc6 $2 {
letting the king escape} Kg5 3. h4+ Kf5 4. Nd7 Qb4 5. Be4+ Qxe4 6. fxe4+ Kxe4
7. Nc5+ (7. Nf6+ Kf3 8. g4 e5 9. g5 hxg5 10. hxg5 Kf4 11. Nxh7 Kf5 12. Kb3 Kg6
13. Nf8+ Kxg5 $11) 7… Kf3 8. Nxe6 Kxg3 9. h5 Kg4 10. Ng7 Kg5 11. Kb3 Kf6 12.
Ne8+ Kg5 13. Ng7 Kf6 14. Ne8+ Kg5 15. Ng7 $11 {Repetition}) 2… Qd8 {
covering both mates} 3. Bc6 {Finally, with the bishop defended and the squares
d5 and g2 covered, all White has to do is find a safe square for the king…
such as h3!!} ({Not} 3. Bd7 $2 {,as the bishop does not cover the important d5
square, nor does it control g2 (=> h3 is no longer a safe square)} Qa5+ 4. Kb3
Qd5+ 5. Kc3 (5. Kb4 Qa5+ 6. Kc4 Qd5+ $11) 5… Qc5+ 6. Kd3 Qd5+ {
draw as long as the king does not move to the 5th row and above}) ({Not} 3. Bc2
$2 Qa5+ 4. Kb2 Qb5+ 5. Kc1 Qc5 6. Kd2 Qa5+ 7. Ke3 Qc5+ {draw by perpetual,
because the king can neither abandon the bishop, nor drive it to d1}) ({Not} 3.
Kb2 $2 {Also similar for 6.Ka3 and 6.Kb3} Qb6+ 4. Kc3 Qa5+ 5. Kb3 Qd5+ 6. Ka3
Qc5+ 7. Ka2 Qd5+ {draw by perpetual check, because the king can neither
abandon the bishop, nor drive it to d1}) 3… Qd2+ (3… Qa5+ {
allows the king to reach the safety of h3 sooner} 4. Kb3 Qb6+ 5. Kc4 Qc7 6. Kd3
Qd6+ 7. Ke4 Qb4+ 8. Kf3 Qc3+ 9. Kg2 Qc2+ 10. Kh3 Qf5+ 11. g4+ Qxg4+ 12. Nxg4
$16) 4. Kb3 {the long journey starts with a single step} Qe3+ 5. Kc4 Qc1+ 6.
Kb4 Qb2+ 7. Kc5 Qa3+ 8. Kb6 Qd6 {alternative checks are just minor duals} (8…
Qa5+ 9. Kb7 (9. Kxa5 $2 {Stalemate}) 9… Qb4+ 10. Kc8 Qf8+ {
and back to mainline}) (8… Qb4+ 9. Kc7 Qe7+ 10. Kc8 {and back to mainline})
9. Kb7 ({The black a-pawn is the crucial piece that prevents a rambling queen,
and therefore should not be taken in any variation.} 9. Kxa6 $2 Qa3+ 10. Kb7
Qa7+ 11. Kc8 Qc7+ 12. Kxc7 {Stalemate}) 9… Qe7+ (9… Qb4+ 10. Kc7 Qe7+ 11.
Kc8 {and back to mainline}) 10. Kc8 Qf8+ 11. Kd7 Qg7+ 12. Kxe6 ({Minor dual}
12. Kd6 Qf8+ 13. Kxe6 {and back to mainline}) 12… Qg8+ 13. Kd6 Qd8+ 14. Kc5
Qc7 15. Kd4 Qb6+ 16. Kd3 Qb3+ 17. Ke2 Qc2+ 18. Kf3 Qd1+ 19. Kg2 Qe2+ 20. Kh3Qf1+
(20… Qxe5 21. fxe5 $16) 21. Bg2 Qe2 22. g4+ Qxg4+ 23. Nxg4 $16 {
easily winning for white} *

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