2B1k2r/r1p3pp/2n2pqn/QP1ppP2/p2PP3/P4NP1/RP3b1P/1NB2K1R b k - 4 19
FEN state: 2B1k2r/r1p3pp/2n2pqn/QP1ppP2/p2PP3/P4NP1/RP3b1P/1NB2K1R b k - 4 19 ; Best move: c6a5
The current state of the chess board is: White bishop at c8, black king at e8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at f6, black queen at g6 and black knight at h6. White queen at a5, white pawn at b5, black pawn at d5, black pawn at e5 and white pawn at f5. Black pawn at a4, white pawn at d4 and white pawn at e4. White pawn at a3, white knight at f3 and white pawn at g3. White rook at a2, white pawn at b2, black bishop at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 4. Full move number is 19. Black to move.