r1b1kbn1/p2p3r/n3pp2/2p1P1pp/1pq3P1/PPPB1N2/R2P1P1P/1NBQKR2 b q - 0 19
FEN state: r1b1kbn1/p2p3r/n3pp2/2p1P1pp/1pq3P1/PPPB1N2/R2P1P1P/1NBQKR2 b q - 0 19 ; Best move: c4d3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at d7 and black rook at h7. Black knight at a6, black pawn at e6 and black pawn at f6. Black pawn at c5, white pawn at e5, black pawn at g5 and black pawn at h5. Black pawn at b4, black queen at c4 and white pawn at g4. White pawn at a3, white pawn at b3, white pawn at c3, white bishop at d3 and white knight at f3. White rook at a2, white pawn at d2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.