1nb3nr/r1k1p3/p4p1p/2pQ4/2p2p1P/1P5B/P2P1P2/RNB1KR2 w Q - 2 20
FEN state: 1nb3nr/r1k1p3/p4p1p/2pQ4/2p2p1P/1P5B/P2P1P2/RNB1KR2 w Q - 2 20 ; Best move: d5c5
The current state of the chess board is: Black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black rook at a7, black king at c7 and black pawn at e7. Black pawn at a6, black pawn at f6 and black pawn at h6. Black pawn at c5 and white queen at d5. Black pawn at c4, black pawn at f4 and white pawn at h4. White pawn at b3 and white bishop at h3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 2. Full move number is 20. White to move.