r1b2bnr/pppk3p/2n2q2/P1PppP2/1P1P1Np1/4QNP1/5P1P/R1B1KB1R b KQ - 2 18
FEN state: r1b2bnr/pppk3p/2n2q2/P1PppP2/1P1P1Np1/4QNP1/5P1P/R1B1KB1R b KQ - 2 18 ; Best move: e5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7 and black pawn at h7. Black knight at c6 and black queen at f6. White pawn at a5, white pawn at c5, black pawn at d5, black pawn at e5 and white pawn at f5. White pawn at b4, white pawn at d4, white knight at f4 and black pawn at g4. White queen at e3, white knight at f3 and white pawn at g3. White pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 2. Full move number is 18. Black to move.