rnk2b1r/1b2pppp/1ppp4/P1N1q3/3n2P1/p4PN1/2PPP2P/3QKBR1 b - - 1 18
FEN state: rnk2b1r/1b2pppp/1ppp4/P1N1q3/3n2P1/p4PN1/2PPP2P/3QKBR1 b - - 1 18 ; Best move: d4f3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at c8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black pawn at c6 and black pawn at d6. White pawn at a5, white knight at c5 and black queen at e5. Black knight at d4 and white pawn at g4. Black pawn at a3, white pawn at f3 and white knight at g3. White pawn at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White queen at d1, white king at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.