20 ... Re8xBe3!! trades down on the e3-forking to overload d2-Q J Jirka vs Tkachiev, 2009  (A42) Modern Defense, Averbakh System, 23 moves, 0-1 25 Ng5xf7!! Rf8xNf7 trades on f7-forking sq overloading g7-king Nepomniachtchi vs Kharitonov, 2009  (B14) Caro-Kann, Panov-Botvinnik Attack, 48 moves, 1-0 Anand vs Leko, 2009  (C95) Ruy Lopez, Closed, Breyer, 36 moves, 1-0 Seirawan vs B M Kogan, 1986  (D11) Queen's Gambit Declined Slav, 39 moves, 1-0 4 games