rn2kbr1/p1pq1p1p/bp2p1p1/3p1P1n/8/PP5P/2PPP1P1/RNBQKBNR w q - 0 10
FEN state: rn2kbr1/p1pq1p1p/bp2p1p1/3p1P1n/8/PP5P/2PPP1P1/RNBQKBNR w q - 0 10 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black queen at d7, black pawn at f7 and black pawn at h7. Black bishop at a6, black pawn at b6, black pawn at e6 and black pawn at g6. Black pawn at d5, white pawn at f5 and black knight at h5. White pawn at a3, white pawn at b3 and white pawn at h3. White pawn at c2, white pawn at d2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 10. White to move.