r1b1kr2/1pp1pp1p/p4np1/P1Pp4/6q1/QPNBP3/R1nP1PPP/2BK2NR w q - 1 15
FEN state: r1b1kr2/1pp1pp1p/p4np1/P1Pp4/6q1/QPNBP3/R1nP1PPP/2BK2NR w q - 1 15 ; Best move: d1c2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at b7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black knight at f6 and black pawn at g6. White pawn at a5, white pawn at c5 and black pawn at d5. Black queen at g4. White queen at a3, white pawn at b3, white knight at c3, white bishop at d3 and white pawn at e3. White rook at a2, black knight at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 15. White to move.