rnb1qr2/p2pp2p/4nkp1/1pNQ1pN1/5P2/4B1PP/Pbp1P3/R3KB1R w Q - 6 20
FEN state: rnb1qr2/p2pp2p/4nkp1/1pNQ1pN1/5P2/4B1PP/Pbp1P3/R3KB1R w Q - 6 20 ; Best move: c5e6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8 and black rook at f8. Black pawn at a7, black pawn at d7, black pawn at e7 and black pawn at h7. Black knight at e6, black king at f6 and black pawn at g6. Black pawn at b5, white knight at c5, white queen at d5, black pawn at f5 and white knight at g5. White pawn at f4. White bishop at e3, white pawn at g3 and white pawn at h3. White pawn at a2, black bishop at b2, black pawn at c2 and white pawn at e2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White queenside is the only castle move available. Half move number is 6. Full move number is 20. White to move.