[Event "Casual game"]
[Site "London, ENG"]
[Date "1912.10.29"]
[Round "?"]
[White "Lasker, Edward"]
[Black "Thomas, George Alan"]
[Result "1-0"]
[ECO "A40"]
[Opening "Horwitz Defense"]
[Termination "normal"]

1. d4 e6 {  A40 Horwitz Defense}  2. Nf3 f5 3. Nc3 Nf6 4. Bg5 {  Both sides are
fighting over e4}  4... Be7 $6 $14 {  The bishop should go to b4, preventing
the impending e4 break by pinning the white knight}  5. Bxf6 Bxf6 6. e4 { 
There it is, f5 is collapsing}  6... fxe4 7. Nxe4 b6 8. Ne5 {  threatening
Qh5+}  8... O-O ( 8... Bxe5 9. Qh5+ g6 10. Qxe5 O-O $14 {  leaves the king
vulnerable}  )9. Bd3 $2 {  A mistake. White loses a center pawn after ... Bxe5
10. dxe5 Nc6}  9... Bb7 {  but black doesn't see it.}  10. Qh5 $5 {  Not the
best move. Bxe5 is still available. White should castle to be able to support
the e5 square with f4, which would then be protected by the rook.}  ( 10. O-O
Bxe5 11. dxe5 Nc6 12. f4 $16 )10... Qe7 $4 {  [%eval #7] A big blunder. Black
refuses to give up his bishop pair. Looks like he was calculating 11. Nxf6+
gxf6=, but here comes the shocker}  11. Qxh7+ $3 {  Lasker calculated 8 moves
deep}  11... Kxh7 $7 12. Nxf6+ {  Double check. The king must move.}  12... Kh6
{  Kh8 is not an option. The only way is forward.}  ( 12... Kh8 13. Ng6# )13.
Neg4+ {  Now all of black's moves are forced.}  13... Kg5 $7 14. h4+ ( 14. f4+
{  Another beautiful line, though not as forcing, but just as quick}  14... Kh4
( 14... Kxf4 15. g3+ Kf3 16. O-O# )15. g3+ Kh3 16. O-O -- 17. Nf2# )14... Kf4
$7 15. g3+ Kf3 $7 16. Be2+ ( 16. O-O -- 17. Nh2# {  is actually quicker, but
not as elegant}  )16... Kg2 $7 17. Rh2+ Kg1 $7 18. Kd2# {  This is saying: I
don't even need to move the rook!}  ( 18. O-O-O# {  ...though some would argue
that this is more beautiful.} ) 1-0
