rq2kn1r/p4p2/Ppn2bP1/2pp1b1P/Q1PPp3/5N1P/RPK1P3/1NB2B1R b q - 2 19
FEN state: rq2kn1r/p4p2/Ppn2bP1/2pp1b1P/Q1PPp3/5N1P/RPK1P3/1NB2B1R b q - 2 19 ; Best move: e4f3
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black knight at f8 and black rook at h8. Black pawn at a7 and black pawn at f7. White pawn at a6, black pawn at b6, black knight at c6, black bishop at f6 and white pawn at g6. Black pawn at c5, black pawn at d5, black bishop at f5 and white pawn at h5. White queen at a4, white pawn at c4, white pawn at d4 and black pawn at e4. White knight at f3 and white pawn at h3. White rook at a2, white pawn at b2, white king at c2 and white pawn at e2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 19. Black to move.