1rbqkb1r/Nppppp2/2n4n/p5N1/P5pP/R7/1PPPPP2/2BQKB1R w K - 1 10
FEN state: 1rbqkb1r/Nppppp2/2n4n/p5N1/P5pP/R7/1PPPPP2/2BQKB1R w K - 1 10 ; Best move: a7c8
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. White knight at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at f7. Black knight at c6 and black knight at h6. Black pawn at a5 and white knight at g5. White pawn at a4, black pawn at g4 and white pawn at h4. White rook at a3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at f2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 10. White to move.