rnb1kbnr/p5p1/1pp4p/4p3/3pPqpP/P1P2N2/RP1P2R1/1NBQK3 w kq - 0 20
FEN state: rnb1kbnr/p5p1/1pp4p/4p3/3pPqpP/P1P2N2/RP1P2R1/1NBQK3 w kq - 0 20 ; Best move: f3d4
The current state of the chess board is: Black rook at a8, black knight at b8, 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 and black pawn at g7. Black pawn at b6, black pawn at c6 and black pawn at h6. Black pawn at e5. Black pawn at d4, white pawn at e4, black queen at f4, black pawn at g4 and white pawn at h4. White pawn at a3, white pawn at c3 and white knight at f3. White rook at a2, white pawn at b2, white pawn at d2 and white rook at g2. White knight at b1, white bishop at c1, white queen at d1 and white king at e1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 20. White to move.