r1bqkbr1/1ppp4/p2p1pp1/7p/1P1nP2Q/P2K1P2/2P2BPP/RN3nNR b q - 1 19
FEN state: r1bqkbr1/1ppp4/p2p1pp1/7p/1P1nP2Q/P2K1P2/2P2BPP/RN3nNR b q - 1 19 ; Best move: d4e6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at c7 and black pawn at d7. Black pawn at a6, black pawn at d6, black pawn at f6 and black pawn at g6. Black pawn at h5. White pawn at b4, black knight at d4, white pawn at e4 and white queen at h4. White pawn at a3, white king at d3 and white pawn at f3. White pawn at c2, white bishop at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, black knight at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 19. Black to move.