[Comment "auto-generated from 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[Event "[Stefan B�cker]"]
[Site "Germany"]
[Date "????.??.??"]
[Round "?"]
[White "Hanstein Gambit"]
[Black "sound"]
[Result "*"]
[ECO "C38"]
[Annotator ",Stefan"]
[PlyCount "53"]
[EventDate "1990.10.??"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 h6 5. O-O g5 6. d4 Bg7 7. c3 (7. Nc3) 7...
Nc6 8. Qa4 {Alexander McDonnell 1828} (8. Qb3 Qe7 (8... Qd7) 9. Na3 Nf6 10. Bd3
Nh5 (10... O-O) 11. Bd2 O-O {(Steinitz - Neumann, Paris 1867)} 12. Nc2 {comp.})
8... Bd7 9. Qb3 Na5 (9... Qe7 10. Qxb7 Rb8 11. Qxc7 $6 (11. Qa6 $1 $11 {
analysis TalJechin/Buecker}) 11... Rc8 12. Qb7 Na5 13. Bxf7+ Qxf7 14. Qa6 Nc6
15. Na3 Nf6 $5 {(Taljechin)} 16. Nb5 Nxe4 17. Nd2 Nxd4 18. Nxd4 d5 19. Qa3
Bxd4+ 20. cxd4 Qe7 {TalJechin} (20... Qg7 21. Nf3 $1 (21. Nxe4 $2 dxe4 22. Qxa7
O-O 23. Bd2 Rc2 24. Rf2 Rxb2 25. Rc1 Qf7 {
is lost for White, as proved by TalJechin.}) 21... Bb5 22. Re1 g4 23. Rxe4+
dxe4 24. Ne5 {comp.}) (20... Qf6 {TalJechin} 21. Qxa7 Qc6 22. Qa3 Qb6 23. Kh1
Rf8 24. Nf3 Rf6 25. Bd2 Qb5 26. Bb4 Rb8 27. Bc5 Qxb2 28. Qa7 $11) 21. Qb3 (21.
Qa5 Qe6 22. Nxe4 dxe4 23. Bxf4 gxf4 24. Rxf4 Rg8 25. Re1 Bc6 26. Qxa7 Bd5 27.
Qa4+ Kd8 $17 {Can Black expect to win? If White exchanges queens, and one pair
of rooks, and give away three pawns (a2, b2, d4) in exchange for one (e4), the
result would still be a draw. To be fair, it isnt easy to get rid of pawn e4.
However, Ws practical chances are not bad.}) 21... Qd6 22. a3 $15 ({
perhaps better than TalJechins} 22. Nf3) {, e.g.:} 22... Rxc1 23. Rfxc1 Nxd2
24. Qb4 Qxb4 25. axb4 O-O 26. Rxa7 f3 27. Kf2 fxg2+ 28. Kxg2 Bf5 29. Kf2 $15)
10. Bxf7+ Kf8 11. Qa3 Kxf7 12. Qxa5 c5 13. Qa3 Qc7 (13... Qb6 $2 14. Nbd2 Qb5 {
... 0-1 (41) Zvjaginsev,V-Akopian,V/Rijeka CRO 2010.} 15. e5 $1 dxe5 16. Ne4
Kg6 17. Nd6 Qc6 18. Nc4 Re8 19. Ncxe5+ $16) 14. Nbd2 {Perhaps slightly
preferable to the immediate 14.Qb3+. White is keeping the option b2-b4, while
Nd2 protects e4 and controls c4, which can be helpful for the plan of Qb3+
followed by d4-d5 and a2-a4.} (14. Qb3+ Kg6 15. d5 $1 {proposed by Gambiteer} (
15. a4 Re8 16. Nbd2 cxd4 $1 {avoiding 16...Ne7?! 17.d5!}) ({
my originally intended} 15. Na3 $2 {fails to} 15... Re8 $1 {
found by Gambiteer; it is a pity, but I cannot repair it}) 15... Nf6 ({
also critical:} 15... c4 16. Qc2 Ne7 $15 (16... Kf7 $2 17. g3 g4 18. Nh4 f3 19.
Be3 Be5 20. Qf2 Kg7 21. Bxa7 $11)) 16. Qc2 Kf7 17. c4 $15 {
analysis by Gambiteer}) 14... cxd4 {Or else White might achieve the set-up of
Qb3+ followed by d5, as suggested by Gambiteer.} (14... Kg6 15. b4 {comp.} (15.
e5 dxe5 16. dxc5 Kh7 {... 0-1 (43) Moens,A-Antal,I/ICCF corr 2003.})) (14...
Ne7 15. b4 (15. Qb3+ $5) 15... c4 (15... cxd4 16. cxd4 g4 17. Bb2 {
comp. transposes to the main line}) (15... b6 $6 16. bxc5 bxc5 17. Nc4 {
comp., since Black has no b7-b5}) 16. b5 $1 (16. Qa5 Rhc8 17. Qxc7 Rxc7 18. a4
a6 19. a5 {comp.}) 16... Bxb5 17. h4 g4 18. Nh2 h5 19. Rxf4+ Kg8 20. Nhf1 {
comp.}) 15. cxd4 Ne7 16. b4 {
Entering, by a transposition of moves, the line which we already know.} 16...
g4 17. Bb2 gxf3 18. Rac1 (18. Qxf3 Rhf8 19. Rac1 Qb6 20. Nc4 {
deserves attention}) 18... Qb6 19. Nc4 Bxd4+ 20. Kh1 fxg2+ 21. Kxg2 Rag8+ 22.
Kh1 Bxb2 23. Qxb2 Qc6 24. Rxf4+ Ke8 25. b5 (25. Na3 Qa6 26. b5 Qb6 27. Nc4 Qc5
{leads to the same position}) 25... Qc5 26. Qf6 Kd8 27. Qxd6 {
White is slightly worse, but holds the draw (analysis).} *