r1b1k2r/np1p3p/2pb1q2/1PP1Ppp1/n2P3P/N3Q3/P5P1/R1N1KB1R b KQkq - 2 20
FEN state: r1b1k2r/np1p3p/2pb1q2/1PP1Ppp1/n2P3P/N3Q3/P5P1/R1N1KB1R b KQkq - 2 20 ; Best move: d6e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black knight at a7, black pawn at b7, black pawn at d7 and black pawn at h7. Black pawn at c6, black bishop at d6 and black queen at f6. White pawn at b5, white pawn at c5, white pawn at e5, black pawn at f5 and black pawn at g5. Black knight at a4, white pawn at d4 and white pawn at h4. White knight at a3 and white queen at e3. White pawn at a2 and white pawn at g2. White rook at a1, white knight at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 20. Black to move.