r1b1k1n1/ppqpp2r/1Np2bp1/5N1p/1P6/3BP3/PB1P1PPP/1Rn1K2R w Kq - 2 18
FEN state: r1b1k1n1/ppqpp2r/1Np2bp1/5N1p/1P6/3BP3/PB1P1PPP/1Rn1K2R w Kq - 2 18 ; Best move: b1c1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at b7, black queen at c7, black pawn at d7, black pawn at e7 and black rook at h7. White knight at b6, black pawn at c6, black bishop at f6 and black pawn at g6. White knight at f5 and black pawn at h5. White pawn at b4. White bishop at d3 and white pawn at e3. White pawn at a2, white bishop at b2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, black knight at c1, white king at e1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 2. Full move number is 18. White to move.