r1r5/p1pq1ppp/1p2k2n/2b4P/1P2PP2/2PQ4/PB2N1P1/R3K1R1 w Q - 0 20
FEN state: r1r5/p1pq1ppp/1p2k2n/2b4P/1P2PP2/2PQ4/PB2N1P1/R3K1R1 w Q - 0 20 ; Best move: d3d7
The current state of the chess board is: Black rook at a8 and black rook at c8. Black pawn at a7, black pawn at c7, black queen at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black king at e6 and black knight at h6. Black bishop at c5 and white pawn at h5. White pawn at b4, white pawn at e4 and white pawn at f4. White pawn at c3 and white queen at d3. White pawn at a2, white bishop at b2, white knight at e2 and white pawn at g2. White rook at a1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 20. White to move.