rnb1qknr/2pp1pp1/p2b4/1p2p2p/PPP5/R1NP1NPP/4PP2/2BQKB1R w K - 1 10
FEN state: rnb1qknr/2pp1pp1/p2b4/1p2p2p/PPP5/R1NP1NPP/4PP2/2BQKB1R w K - 1 10 ; Best move: c4c5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black king at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at a6 and black bishop at d6. Black pawn at b5, black pawn at e5 and black pawn at h5. White pawn at a4, white pawn at b4 and white pawn at c4. White rook at a3, white knight at c3, white pawn at d3, white knight at f3, white pawn at g3 and white pawn at h3. 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.