r1b1kbnr/pp4p1/1n1p3p/1N1pppqP/4P3/PP4P1/2P1KP1R/1R1Q1BN1 w kq - 0 18
FEN state: r1b1kbnr/pp4p1/1n1p3p/1N1pppqP/4P3/PP4P1/2P1KP1R/1R1Q1BN1 w kq - 0 18 ; Best move: b5c7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at g7. Black knight at b6, black pawn at d6 and black pawn at h6. White knight at b5, black pawn at d5, black pawn at e5, black pawn at f5, black queen at g5 and white pawn at h5. White pawn at e4. White pawn at a3, white pawn at b3 and white pawn at g3. White pawn at c2, white king at e2, white pawn at f2 and white rook at h2. White rook at b1, white queen at d1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.