rn2k1nq/p1pp3r/bp2ppp1/2b4p/Q2PB2P/5PN1/PPP3P1/R1BK2NR b q - 3 20
FEN state: rn2k1nq/p1pp3r/bp2ppp1/2b4p/Q2PB2P/5PN1/PPP3P1/R1BK2NR b q - 3 20 ; Best move: c5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black queen at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black rook at h7. Black bishop at a6, black pawn at b6, black pawn at e6, black pawn at f6 and black pawn at g6. Black bishop at c5 and black pawn at h5. White queen at a4, white pawn at d4, white bishop at e4 and white pawn at h4. White pawn at f3 and white knight at g3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at g2. White rook at a1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 20. Black to move.