r1b2b2/p2p2rp/np1qpk1n/2p2p2/PQ3p1P/1PPP4/R3P1P1/1NBK1B1R b - - 0 19
FEN state: r1b2b2/p2p2rp/np1qpk1n/2p2p2/PQ3p1P/1PPP4/R3P1P1/1NBK1B1R b - - 0 19 ; Best move: c5b4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black bishop at f8. Black pawn at a7, black pawn at d7, black rook at g7 and black pawn at h7. Black knight at a6, black pawn at b6, black queen at d6, black pawn at e6, black king at f6 and black knight at h6. Black pawn at c5 and black pawn at f5. White pawn at a4, white queen at b4, black pawn at f4 and white pawn at h4. White pawn at b3, white pawn at c3 and white pawn at d3. White rook at a2, white pawn at e2 and white pawn at g2. White knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 19. Black to move.