r1q1kb2/1pBnpp1p/p1p5/P2p1b2/1n4rp/1P6/N1PPPPNR/1R1QKB2 b q - 3 19
FEN state: r1q1kb2/1pBnpp1p/p1p5/P2p1b2/1n4rp/1P6/N1PPPPNR/1R1QKB2 b q - 3 19 ; Best move: b4c2
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black bishop at f8. Black pawn at b7, white bishop at c7, black knight at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6 and black pawn at c6. White pawn at a5, black pawn at d5 and black bishop at f5. Black knight at b4, black rook at g4 and black pawn at h4. White pawn at b3. White knight at a2, white pawn at c2, white pawn at d2, white pawn at e2, white pawn at f2, white knight at g2 and white rook at h2. White rook at b1, 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 3. Full move number is 19. Black to move.