3qkb1r/2pp4/r1bnpp1p/p3n1p1/P3P1P1/1pP1QP1N/RP1P3P/1NBK3R b k - 2 20
FEN state: 3qkb1r/2pp4/r1bnpp1p/p3n1p1/P3P1P1/1pP1QP1N/RP1P3P/1NBK3R b k - 2 20 ; Best move: b3a2
The current state of the chess board is: Black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7 and black pawn at d7. Black rook at a6, black bishop at c6, black knight at d6, black pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at a5, black knight at e5 and black pawn at g5. White pawn at a4, white pawn at e4 and white pawn at g4. Black pawn at b3, white pawn at c3, white queen at e3, white pawn at f3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at d2 and white pawn at h2. White knight at b1, white bishop at c1, white king at d1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.