rnb1kbn1/4q3/p3pppr/1ppp3p/PPPPNB2/R5PN/2Q1PP1P/4KB1R w Kq - 0 12
FEN state: rnb1kbn1/4q3/p3pppr/1ppp3p/PPPPNB2/R5PN/2Q1PP1P/4KB1R w Kq - 0 12 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black queen at e7. Black pawn at a6, black pawn at e6, black pawn at f6, black pawn at g6 and black rook at h6. Black pawn at b5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at d4, white knight at e4 and white bishop at f4. White rook at a3, white pawn at g3 and white knight at h3. White queen at c2, white pawn at e2, white pawn at f2 and white pawn at h2. White king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 12. White to move.