rnb1r3/2k2p2/ppB2bp1/4P3/1P1pP1n1/2B2P1P/P1P3P1/RNQK2NR b - - 0 20
FEN state: rnb1r3/2k2p2/ppB2bp1/4P3/1P1pP1n1/2B2P1P/P1P3P1/RNQK2NR b - - 0 20 ; Best move: b8c6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at e8. Black king at c7 and black pawn at f7. Black pawn at a6, black pawn at b6, white bishop at c6, black bishop at f6 and black pawn at g6. White pawn at e5. White pawn at b4, black pawn at d4, white pawn at e4 and black knight at g4. White bishop at c3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at c2 and white pawn at g2. White rook at a1, white knight at b1, white queen at c1, white king at d1, 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.