1r2kb1r/3b1p2/npp1p3/3p4/p1PP4/P4PQP/N3P3/1qB1KBNR b k - 2 20
FEN state: 1r2kb1r/3b1p2/npp1p3/3p4/p1PP4/P4PQP/N3P3/1qB1KBNR b k - 2 20 ; Best move: b1a2
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at d7 and black pawn at f7. Black knight at a6, black pawn at b6, black pawn at c6 and black pawn at e6. Black pawn at d5. Black pawn at a4, white pawn at c4 and white pawn at d4. White pawn at a3, white pawn at f3, white queen at g3 and white pawn at h3. White knight at a2 and white pawn at e2. Black queen at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 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.