rnbk2r1/3q1ppp/ppp1p2n/1P1p4/1bBPP1PP/2P2PK1/P1Q1N2B/RN1R4 b - - 2 18
FEN state: rnbk2r1/3q1ppp/ppp1p2n/1P1p4/1bBPP1PP/2P2PK1/P1Q1N2B/RN1R4 b - - 2 18 ; Best move: b4d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black rook at g8. Black queen at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at c6, black pawn at e6 and black knight at h6. White pawn at b5 and black pawn at d5. Black bishop at b4, white bishop at c4, white pawn at d4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at c3, white pawn at f3 and white king at g3. White pawn at a2, white queen at c2, white knight at e2 and white bishop at h2. White rook at a1, white knight at b1 and white rook at d1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.