The Lion can even hold its own if an amateur player uses it against a world champion! In the following simul game, Viswanathan Anand was outplayed in the treacherous Lion's Yawn by a German club player. Comments to the moves are taken from the website www.thelion.nl
This is The Lion's Yawn, that is if the queens are exchanged. The Yawn is an excellent weapon against stronger players. It often gives Black an equal game and the endgame which soon results is not easy to win for White.
The least popular move. Mostly 6.Lc4 or 6.Lg5 is played, leading to the main lines that are described from page 177 in the second English edition. The text often leads to move repetition.
Novelty! Trust a World Champion to make something like that up behind the board. The knight wants to go to c4, and the move also prepares f2-f4. 8.Lc4 is again met by the usual 8...e6.
Normally this move is played at a later stage (after bd7), but it is certainly playable here, even though Black's pawn structure appears to be spoiled.
And this is in fact a blunder which lands the World Champion into trouble. Better is 26.c2, though also here Black remains better and more active. However, that wouldn't immediately lose a pawn.