r4bnr/p1p2p1p/1Bkq4/P7/1P2bpp1/2NPP1P1/7P/R2QKBNR b KQ - 1 20
FEN state: r4bnr/p1p2p1p/1Bkq4/P7/1P2bpp1/2NPP1P1/7P/R2QKBNR b KQ - 1 20 ; Best move: e4h1
The current state of the chess board is: Black rook at a8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at f7 and black pawn at h7. White bishop at b6, black king at c6 and black queen at d6. White pawn at a5. White pawn at b4, black bishop at e4, black pawn at f4 and black pawn at g4. White knight at c3, white pawn at d3, white pawn at e3 and white pawn at g3. White pawn at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 20. Black to move.