r1q1kbnr/1b1pppp1/p1p4p/1p6/PR2Pn1P/5N2/1PPP2P1/RNBKQ3 w k - 1 15
FEN state: r1q1kbnr/1b1pppp1/p1p4p/1p6/PR2Pn1P/5N2/1PPP2P1/RNBKQ3 w k - 1 15 ; Best move: d2d4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at c6 and black pawn at h6. Black pawn at b5. White pawn at a4, white rook at b4, white pawn at e4, black knight at f4 and white pawn at h4. White knight at f3. White pawn at b2, white pawn at c2, white pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at d1 and white queen at e1. Black kingside is the only castle move available. Half move number is 1. Full move number is 15. White to move.