[Event "St Petersburg"] [Site "?"] [Round "0"] [White "Schlechter"] [Black "Salwe"] [FEN "r4rk1/2q1npp1/R2pbn1p/1pp1p3/3PP3/2P1NN2/1PBQ1PPP/4R1K1 w - - 0 1"] {The unsoundness of a sacrifice is not by any means always easy to prove.} 1. dxe5 Rxa6 (1... dxe5 2. Qd6 Qxd6 3. Rxd6 Ra2 {Tarrasch}) (1... Nxe4 $1 2. Bxe4 Rxa6 3. exd6 Rxd6 $17 {Lasker}) 2. exf6 gxf6 3. Nd5 Bxd5 4. exd5 Kg7 5. Nh4 Re8 6. h3 Qd8 7. Re3 Ng6 8. Nf5+ Kf8 9. Re6 {White scored an impressive win, which receive the first brilliancy prize of the tournament Tarrasch appended the move ... Rxa6 a question mark: "this is greediness. It is self evident that Black should not accept this exchange sacrifice, for it leaves his Kingside broken open and gives White a powerful attack" Lasker sees it differently: "The introduction to a combination which received the brilliancy prize. This, however, was a dubious award. It is clear enough that after ... Rxa6 White will lay the Black Kingside in ruins by 2. exf6. This makes Black Nf6 a deparado"} *