Here's a game I just finished on PC that I think is a great illustration of why not to pawn grab early. Note 1.Qxb7/15.Bxc7, and kind of 8.Nxe4.
[Event "Rated game, 10m + 0s"]
[Site "Main Playing Hall"]
[Date "2007.01.15"]
[Round "?"]
[White "CMSMaster"]
[Black "Semilinacea"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1273"]
[BlackElo "1321"]
[Annotator "Fritz 9 (10s)"]
[PlyCount "83"]
[EventDate "2007.01.15"]
{C34: King's Gambit Accepted: 3 Nf3: 3...Nf6 and 3...d6} 1. e4 e5 2. f4 exf4 3.
Nf3 {last book move} Bc5 4. d4 {White threatens to win material: d4xc5} Bb6 5.
Bxf4 Nf6 {Black threatens to win material: Nf6xe4} 6. Nc3 Ba5 (6... O-O 7. e5
Nh5 $16) 7. Bc4 (7. Bd3 $142 $5 d5 8. Bg5 Bxc3+ 9. bxc3 dxe4 10. Bxe4 $16) 7...
Nxe4 $11 8. Qe2 {White pins: Qe2xe4} d5 {Black threatens to win material: d5xc4
} 9. Bd3 {White threatens to win material: Bd3xe4} Be6 (9... O-O $5 {
should be considered} 10. O-O Nxc3 11. bxc3 Re8 $11) 10. Bxe4 Bxc3+ 11. bxc3
dxe4 12. Qxe4 O-O $2 (12... Qd5 13. Qxd5 Bxd5 14. O-O $14) 13. Qxb7 $4 {
weakening the position.} (13. Ng5 $142 {White had this great chance} g6 14.
Nxe6 fxe6 15. Qxe6+ Rf7 16. O-O $18) 13... Nd7 14. O-O Nb6 15. Bxc7 $4 {
throwing away the advantage} (15. a4 $142 $5 $16) 15... Qd7 (15... Qe7 $5 16.
Qc6 Rfc8 $17) 16. Ne5 $11 Qd5 (16... Qe7 $142 {and Black can hope to survive}
17. Nc6 Qd7 $11) 17. Qxd5 $18 Nxd5 18. Bd6 (18. Ba5 Rac8 $16) 18... Rfd8 $16
19. Bb4 (19. Bc5 Nxc3 20. Rfe1 Na4 $16) 19... a5 20. Bxa5 {
White has a new passed pawn: a2. Decoy: a5} Rxa5 {Black wins a piece} 21. Nc6
Raa8 22. Nxd8 Rxd8 23. c4 {White threatens to win material: c4xd5} Nb4 $4 {
forfeits the advantage} (23... Ne3 $142 {is a viable option} 24. d5 Nxf1 25.
Rxf1 Bg4 $11) 24. d5 $18 Bg4 25. c3 (25. Rab1 Na6 $18) 25... Nc2 (25... Nd3 $5
$16) 26. Rac1 $18 Ne3 $2 (26... Na3 27. Rce1 Kf8 28. Rf4 $18) 27. Rf4 (27. Rfe1
$142 {might be the shorter path} Nxc4 28. Re4 $18) 27... g5 (27... f5 28. Rd4
Bh5 $18) 28. Re4 f5 (28... Be2 {doesn't improve anything} 29. Re1 f5 30. Rxe2
fxe4 31. Rxe3 $18) 29. Rxe3 Rc8 (29... Kf7 {
cannot change what is in store for ?} 30. Re5 Kf6 31. Re6+ Kf7 32. h3 $18) 30.
d6 f4 31. Re4 (31. Re7 {makes it even easier for White} h6 $18) 31... Bf5 (
31... Kg7 {cannot undo what has already been done} 32. Rb1 $18) 32. Rd4 (32.
Re5 $5 {might be the shorter path} Bd7 33. Rxg5+ Kf7 $18) 32... Kf7 (32... Kf8
{does not win a prize} 33. Rd5 Be6 34. Rcd1 $18) 33. d7 (33. c5 $5 {
and White can already relax} Rxc5 34. d7 Bxd7 35. Rxd7+ Kg6 $18) 33... Rd8 34.
Rcd1 Ke7 35. c5 (35. Re1+ $142 {makes it even easier for White} Kf6 36. Rd6+
Kf7 37. Re5 Bxd7 38. c5 $18) 35... Bxd7 (35... Rxd7 {
there is nothing better in the position} 36. Re1+ Kd8 $18) 36. c6 $1 {
Deflection: d7.} Bg4 (36... Bxc6 37. Rxd8 {Pinning} (37. Rxd8 {Deflection}) (
37. Re1+ {Decoy})) 37. Rxd8 Bxd1 38. c7 (38. Rd7+ Kf6 39. Rxd1 h5 40. c7 f3 41.
c8=Q f2+ 42. Kxf2 Ke5 43. Re1+ Kf6 44. Qf8+ Kg6 45. Re6+ Kh7 46. Rh6🙄 38...
Bg4 $18 39. c8=Q (39. a4 $142 $5 {seems even better} Bc8 40. a5 g4 $18) 39...
Bxc8 40. Rxc8 g4 41. a4 (41. Rc7+ $5 {keeps an even firmer grip} Ke6 42. Rxh7
Kd5 $18) 41... g3 42. h3 (42. h3 Kd7 43. Rc4 Kd6 44. a5 Kd7 45. a6 Ke6 46. a7
Kf7 47. Rxf4+ Ke7 48. a8=Q Kd6 49. Rf6+ Kd7 50. Qa7+ Ke8 51. Qxh7 Kd8 52. Rf8🙄
1-0
[Event "Rated game, 10m + 0s"]
[Site "Main Playing Hall"]
[Date "2007.01.15"]
[Round "?"]
[White "CMSMaster"]
[Black "Semilinacea"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1273"]
[BlackElo "1321"]
[PlyCount "83"]
[EventDate "2007.01.15"]
[TimeControl "600"]
1. e4 {3} e5 {2} 2. f4 {1} exf4 {2} 3. Nf3 {2} Bc5 {10} 4. d4 {3} Bb6 {6} 5.
Bxf4 {3} Nf6 {8} 6. Nc3 {3} Ba5 {8} 7. Bc4 {5} Nxe4 {46} 8. Qe2 {8} d5 {20} 9.
Bd3 {12} Be6 {40} 10. Bxe4 {25} Bxc3+ {7} 11. bxc3 {3} dxe4 {2} 12. Qxe4 {2}
O-O {2} 13. Qxb7 {2} Nd7 {13} 14. O-O {10} Nb6 {42} 15. Bxc7 {24} Qd7 {61} 16.
Ne5 {21} Qd5 {57} 17. Qxd5 {30} Nxd5 {7} 18. Bd6 {19} Rfd8 {9} 19. Bb4 {102} a5
{9} 20. Bxa5 {21} Rxa5 {8} 21. Nc6 {1} Raa8 {22} 22. Nxd8 {3} Rxd8 {3} 23. c4 {
21} Nb4 {31} 24. d5 {6} Bg4 {11} 25. c3 {19} Nc2 {18} 26. Rac1 {16} Ne3 {19}
27. Rf4 {7} g5 {9} 28. Re4 {7} f5 {10} 29. Rxe3 {3} Rc8 {19} 30. d6 {12} f4 {24
} 31. Re4 {3} Bf5 {9} 32. Rd4 {2} Kf7 {14} 33. d7 {4} Rd8 {3} 34. Rcd1 {3} Ke7
{11} 35. c5 {6} Bxd7 {5} 36. c6 {5} Bg4 {18} 37. Rxd8 {5} Bxd1 {3} 38. c7 {3}
Bg4 {4} 39. c8=Q {4} Bxc8 {3} 40. Rxc8 {1} g4 {4} 41. a4 {2} g3 {2} 42. h3 {
Zeit ' 2} 1-0