Get closer to the endgame. With fewer pieces left in the position, the dominance of the two bishops can really be felt, as they can control both sides of the board at once. If the enemy knight doesn't have a secure outpost to use, it can find itself passive and restricted in its own territory.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown328"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "r5k1/4Bp1p/3p2p1/2nPp3/1pR1P3/1P6/1q3PPP/1B1Q2K1 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Ra1 2. Rc1 Nd3 ( { Black can try: } 2... Nxb3 3. Rc8+ Kg7 4. Bf8+ Kf6 5. Qf3+ Kg5 6. h4+ Kxh4 7. Be7+ g5 8. Qh3# ) 3. Bxd3 ( { White can try: } 3. Rc8+ Kg7 4. Bf8+ Kf6 5. Qf3+ Nf4 6. h4 Qxb1+ 7. Kh2 Qh1+ 8. Kg3 Rg1 9. Rc1 Qh3# ) ( { White can also try: } 3. g3 Qxf2+ 4. Kh1 Nxc1 5. Qxc1 Qf3+ 6. Kg1 Qc3 7. Qxc3 bxc3 8. Kf2 Rxb1 9. Bxd6 c2 10. Ba3 Rxb3 11. Bc1 Rb1 12. Bh6 c1=Q 13. Bxc1 Rxc1 { Black wins with a large material advantage. } ) 3... Rxc1 4. Qf1 Rxf1+ 5. Kxf1 Qd2 6. Kg1 Qxd3 7. f3 Qxb3 { Black wins with a large material advantage. } 0-1