r1qk3r/p6p/b1pb1ppn/1n1ppN2/Qp6/2PP1P2/PP2P2P/R1BNKBR1 w Q - 2 20
FEN state: r1qk3r/p6p/b1pb1ppn/1n1ppN2/Qp6/2PP1P2/PP2P2P/R1BNKBR1 w Q - 2 20 ; Best move: f5d6
The current state of the chess board is: Black rook at a8, black queen at c8, black king at d8 and black rook at h8. Black pawn at a7 and black pawn at h7. Black bishop at a6, black pawn at c6, black bishop at d6, black pawn at f6, black pawn at g6 and black knight at h6. Black knight at b5, black pawn at d5, black pawn at e5 and white knight at f5. White queen at a4 and black pawn at b4. White pawn at c3, white pawn at d3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 20. White to move.