r1b1k1r1/2pp1p2/p5pn/1BnQpPBp/1p1b2P1/NP2P3/P1P1K3/2R3NR b q - 2 19
FEN state: r1b1k1r1/2pp1p2/p5pn/1BnQpPBp/1p1b2P1/NP2P3/P1P1K3/2R3NR b q - 2 19 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at c7, black pawn at d7 and black pawn at f7. Black pawn at a6, black pawn at g6 and black knight at h6. White bishop at b5, black knight at c5, white queen at d5, black pawn at e5, white pawn at f5, white bishop at g5 and black pawn at h5. Black pawn at b4, black bishop at d4 and white pawn at g4. White knight at a3, white pawn at b3 and white pawn at e3. White pawn at a2, white pawn at c2 and white king at e2. White rook at c1, white knight at g1 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.