rn3br1/6Q1/Ppp1kn2/3bppPp/2P1PP2/N2K3P/P5B1/R1B3NR b - - 0 20
FEN state: rn3br1/6Q1/Ppp1kn2/3bppPp/2P1PP2/N2K3P/P5B1/R1B3NR b - - 0 20 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at g8. White queen at g7. White pawn at a6, black pawn at b6, black pawn at c6, black king at e6 and black knight at f6. Black bishop at d5, black pawn at e5, black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at c4, white pawn at e4 and white pawn at f4. White knight at a3, white king at d3 and white pawn at h3. White pawn at a2 and white bishop at g2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.