r2qkb1r/p1p4n/np1pp1pp/2PP1p2/b7/1PNQ2P1/P3PP1P/R1B1KBNR w KQkq - 5 13
FEN state: r2qkb1r/p1p4n/np1pp1pp/2PP1p2/b7/1PNQ2P1/P3PP1P/R1B1KBNR w KQkq - 5 13 ; Best move: d3a6
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7 and black knight at h7. Black knight at a6, black pawn at b6, black pawn at d6, black pawn at e6, black pawn at g6 and black pawn at h6. White pawn at c5, white pawn at d5 and black pawn at f5. Black bishop at a4. White pawn at b3, white knight at c3, white queen at d3 and white pawn at g3. White pawn at a2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 5. Full move number is 13. White to move.