1.e4e52.Nf3Nf6The Petroff is a solid,
active defense, and was the favorite of US Champion Frank Marshall.3.Nxe5d64.Nf3Nxe45.Qe2...This move dates back to Lasker – Pillsbury, St.
Petersburg 1895!5....Qe76.d3Nf67.Be3Nd58.Ng5?!...8.Bg5looks better.8....Nxe39.Qxe3Qxe3+10.fxe3Be711.h4h612.Nf3Nd713.Nc3Nf614.O-O-OO-O15.h5?...Gives up a pawn. Better is15.Be215....Bg416.Be2Bxh517.Nd4?...17.e4,followed by Rde1 and Nf3-d2, looks better. After
this positive choices are hard to come by.17....Bxe218.Ncxe2Ng419.Nf5Bg520.Rh3Nf221.Rg3Nxd122.Kxd1Rad823.e4Rfe824.Ng1d525.Nf3dxe426.Nxg5hxg527.Rxg5exd328.cxd3Rxd3+29.Kc2Red830.Rxg7+Kf831.Rg3Rd2+32.Kc3R2d533.Nh6Rc5+34.Kb4Rdd535.Rg4a5+36.Ka4Rd237.Kb3Rdc238.a4c639.Rg8+Ke740.Rg7b541.Nf5+Kf642.Nd4R2c443.Rg4bxa4+44.Ka3Rb445.Rf4+Ke546.g3Rc147.Nf3+Kd548.Rxb4??...48.Ka248....axb4+?48...Ra1#!49.Kxb4Rc250.Kxa4Rxb251.g4Kc452.Ne5+Kc353.Nxc6Rb154.Ne5Rb755.g5Rb4+56.Ka5Rf457.g6?...57.Nc657....Rf558.gxf7Rxe5+59.Kb6Rf50-1 Black wins.0-1