rn2k1nr/3bq2p/p2p1p2/1pp1P3/4P2b/N1KP3P/PPP3P1/RQ3BNR w kq - 0 15
FEN state: rn2k1nr/3bq2p/p2p1p2/1pp1P3/4P2b/N1KP3P/PPP3P1/RQ3BNR w kq - 0 15 ; Best move: b1d1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black bishop at d7, black queen at e7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black pawn at f6. Black pawn at b5, black pawn at c5 and white pawn at e5. White pawn at e4 and black bishop at h4. White knight at a3, white king at c3, white pawn at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at g2. White rook at a1, white queen at b1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.