rnb3nr/1Bpp1qpp/p4k2/1Pb1pp1Q/3P4/1P2P1P1/R1P2P1P/1NB1K1NR w K - 3 13
FEN state: rnb3nr/1Bpp1qpp/p4k2/1Pb1pp1Q/3P4/1P2P1P1/R1P2P1P/1NB1K1NR w K - 3 13 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. White bishop at b7, black pawn at c7, black pawn at d7, black queen at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black king at f6. White pawn at b5, black bishop at c5, black pawn at e5, black pawn at f5 and white queen at h5. White pawn at d4. White pawn at b3, white pawn at e3 and white pawn at g3. White rook at a2, white pawn at c2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 13. White to move.