Problem ID: 0034468
[Event "Ch CSS"]
[Site "Prague (Czech Republic)"]
[Date "1993.??.??"]
[Round "4"]
[White "Onderek David"]
[Black "Hajek Jaroslav (CZE)"]
[Result "0-1"]
[FEN "4q1k1/1p3ppp/p4n2/8/8/P5b1/1PQ2PPP/2B3K1 w - -"]
[DELTA "11.52"]
[SCORE "-11.56"]
[FULL "Qe1+ 29. Kh2 Ng4+ 30. Kh3 Nxf2+ 31. Kh4 Qh1+ 32. Kg5 Qh6+ 33. Kf5 Qf6# "]
[MOVES "4"]

28. hxg3

({12:-11.56} 28. hxg3 Qe1+ 29. Kh2 Ng4+ 30. Kh3 Nxf2+ 31. Qxf2 Qxf2 32. Kh2 Qe2 33. Bf4 Qxb2 34. a4 Qe2 35. a5 Qh5+ 36. Kg1 Qxa5 $19)
({12:-4.52} 28. Bd2 Be5 29. b4 Qe6 30. Qd3 Qd5 31. Qxd5 Nxd5 32. a4 b6 33. b5 axb5 34. axb5 $19)
({12:-4.56} 28. Kf1 Be5 29. b4 Qb5+ 30. Kg1 Qd7 31. Bd2 g6 32. g3 Kg7 33. Kg2 Qd5+ 34. f3 b6 $19)
({12:-4.66} 28. Qd1 Be5 29. g3 Qc6 30. b3 Nd5 31. Bd2 f6 32. Qe2 Qc5 33. b4 Qd4 $19)


28. ...Qe1+

({12:-11.56} 28. ... Qe1+ 29. Kh2 Ng4+ 30. Kh3 Nxf2+ 31. Qxf2 Qxf2 32. Kh2 Qc2 33. Bf4 Qxb2 34. a4 Qe2 35. a5 Qh5+ 36. Kg1 Qc5+ 37. Kh2 Qxa5 $19)
({12:-0.07} 28. ... Nd5 29. Bd2 Qd7 30. b3 $10)
({12:-0.01} 28. ... Qe6 29. Kf1 Nd5 30. b3 f6 31. Qe2 Kf7 32. Qh5+ Kg8 33. Qe2 $10)

29. Kh2

({12:-11.56} 29. Kh2 Ng4+ 30. Kh3 Nxf2+ 31. Qxf2 Qxf2 32. Kh2 Qc2 33. Bf4 Qxb2 34. a4 Qe2 35. a5 Qh5+ 36. Kg1 Qc5+ 37. Kh2 Qxa5 $19)


29. ...Ng4+

({12:-11.67} 29. ... Ng4+ 30. Kh3 Nxf2+ 31. Qxf2 Qxf2 32. g4 f6 $19)
({12:-0.08} 29. ... Qe6 30. Bd2 h5 31. f3 Nd5 32. Qb3 b5 33. Qd3 f5 34. Kg1 Kf7 35. Kf2 $10)
({12:-0.05} 29. ... g6 30. f3 Kg7 31. Qd2 Qe6 32. Qh6+ Kg8 33. Be3 Nd5 34. Bc5 Qc8 35. Bd4 Qc4 $10)

30. Kh3

({12:-11.56} 30. Kh3 Nxf2+ 31. Qxf2 Qxf2 32. Kh2 Qc2 33. Bf4 Qxb2 34. a4 Qe2 35. a5 Qh5+ 36. Kg1 Qc5+ 37. Kh2 Qxa5 $19)


30. ...Nxf2+

({12:-11.75} 30. ... Nxf2+ 31. Qxf2 Qxf2 32. Bf4 Qxb2 33. a4 f5 34. a5 Qc3 35. Kh4 Kf7 36. g4 Qxa5 $19)
({12:-1.81} 30. ... f5 31. Qc4+ Kf8 32. Kh4 h6 33. Qc8+ Kf7 34. Qxf5+ Nf6 35. Be3 g6 36. Qc8 g5+ 37. Bxg5 hxg5+ 38. Kxg5 Qe5+ 39. Qf5 Qxb2 $19)
({12:-0.58} 30. ... Qe6 31. Kh4 h6 32. f4 Nf6 33. Qd1 Kh7 34. Qd3+ Ne4 35. Be3 f5 36. Bd4 Qe7+ 37. Kh3 Kg6 $15)

31. Kh4

31...Qh1+

32. Kg5

32...Qh6+

33. Kf5

33...Qf6#