rn2kb2/pp3pr1/2p3bn/1NP1p1pp/P2P4/1Q1PB2P/1P3PP1/R3K1NR w q - 0 19
FEN state: rn2kb2/pp3pr1/2p3bn/1NP1p1pp/P2P4/1Q1PB2P/1P3PP1/R3K1NR w q - 0 19 ; Best move: b5c7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at f7 and black rook at g7. Black pawn at c6, black bishop at g6 and black knight at h6. White knight at b5, white pawn at c5, black pawn at e5, black pawn at g5 and black pawn at h5. White pawn at a4 and white pawn at d4. White queen at b3, white pawn at d3, white bishop at e3 and white pawn at h3. White pawn at b2, white pawn at f2 and white pawn at g2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 19. White to move.