Magnus Carlsen leads the world championship match with Viswanathan Anand 5.5-4.5 with two (scheduled) games remaining, but he's slightly fortunate to have come out of this game with his lead intact, and definitely fortunate that the game has finished already.
Carlsen repeated the Gruenfeld for the first time since game 1, and this time Anand chose the Russian Variation. Judging solely by the time usage Carlsen was better prepared, but when it came to what happened on the board it was Anand who was either better prepared or simply playing better. Carlsen admitted to having underestimated Anand's 19.Ng5, and after this he started burning time on the clock too.
The critical moment came on move 24, when Anand played 24.Rd2? This defended the a-pawn, but after 24...Re8 Black's problems were more or less gone. White needed to keep control of the e-file with 24.Rfe1, when he would have strong pressure and good winning chances. After 24.Rd2 White didn't have much, and what (very) little he did have was surrendered with 28.Bxb7, shortly followed by a draw offer.
Game 11 is on Sunday (tomorrow is a rest day), and if Carlsen wins the match is over. If he doesn't, then game 12 will occur on Tuesday, after another rest day.