rn2bbnr/5kpp/p2p4/1p3p2/QP2P2P/N7/P2P1PPB/2qRKBNR w K - 6 13
FEN state: rn2bbnr/5kpp/p2p4/1p3p2/QP2P2P/N7/P2P1PPB/2qRKBNR w K - 6 13 ; Best move: a4b3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at e8, black bishop at f8, black knight at g8 and black rook at h8. Black king at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black pawn at d6. Black pawn at b5 and black pawn at f5. White queen at a4, white pawn at b4, white pawn at e4 and white pawn at h4. White knight at a3. White pawn at a2, white pawn at d2, white pawn at f2, white pawn at g2 and white bishop at h2. Black queen at c1, white rook at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 6. Full move number is 13. White to move.