[Event "Amsterdam"] [Site "?"] [Round "0"] [White "Pilnik"] [Black "Kramer"] [Result "1-0"] [FEN "r1bq1rk1/4bppp/p1n2n2/1pppp3/4P3/2PP1N2/PPB2PPP/R1BQRNK1 w - - 0 1"] {An active bishop obtained at the cost of a backward pawn With his last move . .. Pd5, Black has taken the initiative in the centre, and now threatens either to gain space and freedom by ... Pd4 or else release tension by ... Pdxe4. Although after exchanges on e4 Black will have a weak point at d5, which White may exploit by Ne3-d5, but under the circumstances this is less important} 1. exd5 (1. -- dxe4 2. dxe4 -- 3. Bb3 c4 {White's bishop isn't active}) 1... Qxd5 2. Qe2 Bb7 3. Bg5 $1 (3. Nxe5 Nxe5 4. Qxe5 Qxg2#) (3. Bb3 { threat to win the pawn} 3... Qd7 4. Nxe5 Nxe5 5. Qxe5 Bd6 $44 {a strong attack} ) 3... Rfe8 4. Bh4 { threatening to win the e-pawn with Bg3 as well as making room for Ng5 with Bb3} 4... Rad8 {Apparently Black still stands very well. His pressure on the d-pawn seems to condemn the Bishop to passivity} 5. Bb3 $3 { This deep moves demonstrates otherwise} (5. Red1 { relieves Black's chief worry of protecting the e-pawn}) (5. Rad1 Qxa2) 5... Qxd3 6. Qxd3 Rxd3 7. Nxe5 Nxe5 8. Rxe5 c4 $2 {The Black pieces are awkardly ties up, while the White ones have developed great activity. With the text move Black hopes to persuade the dangerous bishop to be more modest, but he doesn't succeed} (8... Bd6 $2 {the point of Bb3} 9. Rxe8+ Nxe8 10. Bc2 Rd5 11. Be4 Rh5 12. Bxb7 Rxh4 13. Bxa6 $16 {winning ending}) (8... Rdd8 $1 { best defence} 9. Rae1 Kf8) 9. Bc2 Rdd8 (9... Rd7 10. Rae1 Nd5 11. Bf5 Rc7 12. Bg3 $18 {Rippis}) 10. Rae1 Kf8 11. Bxh7 $1 Bd6 (11... Nxh7 12. Bxe7+ $16) ( 11... g6 12. Bg5 Ng8 13. Bc1 (13. Bxg8 Bxg5 14. Rxe8+ Rxe8 15. Rxe8+ Kxe8 $19) 13... -- {there is no avoiding Bxg8.} (13... Nf6 14. Bh6#) 14. Bxg8) 12. Rxe8+ Rxe8 13. Rxe8+ Nxe8 14. Bc2 $18 1-0