r2qknnr/pbp3pp/3R1p2/1P2p3/1b1p4/2PPP2P/1PQK1PPR/1NB2BN1 w kq - 0 13
FEN state: r2qknnr/pbp3pp/3R1p2/1P2p3/1b1p4/2PPP2P/1PQK1PPR/1NB2BN1 w kq - 0 13 ; Best move: d6d8
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black knight at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at g7 and black pawn at h7. White rook at d6 and black pawn at f6. White pawn at b5 and black pawn at e5. Black bishop at b4 and black pawn at d4. White pawn at c3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at b2, white queen at c2, white king at d2, white pawn at f2, white pawn at g2 and white rook at h2. White knight at b1, white bishop at c1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.