r1bqkr2/p2p2b1/1P4n1/R1p1ppPp/2PQP3/1P4PR/4NK2/1NB2B2 b q - 2 19
FEN state: r1bqkr2/p2p2b1/1P4n1/R1p1ppPp/2PQP3/1P4PR/4NK2/1NB2B2 b q - 2 19 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at d7 and black bishop at g7. White pawn at b6 and black knight at g6. White rook at a5, black pawn at c5, black pawn at e5, black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at c4, white queen at d4 and white pawn at e4. White pawn at b3, white pawn at g3 and white rook at h3. White knight at e2 and white king at f2. White knight at b1, white bishop at c1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 2. Full move number is 19. Black to move.