Vladimir Kramnik moved into the clear lead at the 16th Amber tournament in Monaco on Monday after making 1.5/2 against Alexander Morozevich; while Lev Aronian could make only one-all against Boris Gelfand.
Meanwhile, Viswanathan Anand swapped wins with Vassily Ivanchuk, and Loek Van Wely finally got off the mark winning the rapidplay game against Teimour Radjabov.
After three days Kramnik led the Blindfold with 3/3 and Aronian had 3/3 in the Rapidplay. Overall, Kramnik was first with 5/6.
Deep opening preparation with computer assistance is an integral part of today's game and Boris Gelfand was able to win his Blindfold game against Lev Aronian with a stunningly effective example of this.
Aronian has recently twice defended this line against Peter Leko, with a draw in the Morelia and a win in round two in Monaco.
A day later, Gelfand varied from those two previous games, in which Leko had played 11.Bxb8 with the extremely poisonous 11.Be5.
I did find one slightly obscure previous example, in which Black sensibly retreated 13...Nhf6 and drew with some difficulty in the end. …