3rkb1r/p2p2np/n3p1p1/1P1bPp2/2p5/QP3N2/1BBPKPPP/RNR5 b k - 1 20
FEN state: 3rkb1r/p2p2np/n3p1p1/1P1bPp2/2p5/QP3N2/1BBPKPPP/RNR5 b k - 1 20 ; Best move: f8a3
The current state of the chess board is: Black rook at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black knight at g7 and black pawn at h7. Black knight at a6, black pawn at e6 and black pawn at g6. White pawn at b5, black bishop at d5, white pawn at e5 and black pawn at f5. Black pawn at c4. White queen at a3, white pawn at b3 and white knight at f3. White bishop at b2, white bishop at c2, white pawn at d2, white king at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1 and white rook at c1. Black kingside is the only castle move available. Half move number is 1. Full move number is 20. Black to move.