r1b2bnr/4kp2/pq2pn2/P1pP2Qp/1BP5/3P2P1/R3NP1P/1N2KB1R b K - 0 19
FEN state: r1b2bnr/4kp2/pq2pn2/P1pP2Qp/1BP5/3P2P1/R3NP1P/1N2KB1R b K - 0 19 ; Best move: b6b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black king at e7 and black pawn at f7. Black pawn at a6, black queen at b6, black pawn at e6 and black knight at f6. White pawn at a5, black pawn at c5, white pawn at d5, white queen at g5 and black pawn at h5. White bishop at b4 and white pawn at c4. White pawn at d3 and white pawn at g3. White rook at a2, white knight at e2, white pawn at f2 and white pawn at h2. White knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.