r2qk1nr/1bpnb1p1/1p6/p3ppPp/N1pN4/PP1PP2P/5P2/R1BQKB1R w KQkq - 0 13
FEN state: r2qk1nr/1bpnb1p1/1p6/p3ppPp/N1pN4/PP1PP2P/5P2/R1BQKB1R w KQkq - 0 13 ; Best move: d4e6
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7, black knight at d7, black bishop at e7 and black pawn at g7. Black pawn at b6. Black pawn at a5, black pawn at e5, black pawn at f5, white pawn at g5 and black pawn at h5. White knight at a4, black pawn at c4 and white knight at d4. White pawn at a3, white pawn at b3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.