r3k1r1/1pbb3p/np1p2pn/N2P1p2/2p2N1P/4P3/P1P2PPR/2BQKB2 b q - 0 19
FEN state: r3k1r1/1pbb3p/np1p2pn/N2P1p2/2p2N1P/4P3/P1P2PPR/2BQKB2 b q - 0 19 ; Best move: b6b5
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black pawn at b7, black bishop at c7, black bishop at d7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at d6, black pawn at g6 and black knight at h6. White knight at a5, white pawn at d5 and black pawn at f5. Black pawn at c4, white knight at f4 and white pawn at h4. White pawn at e3. White pawn at a2, white pawn at c2, white pawn at f2, white pawn at g2 and white rook at h2. White bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.