r1b2b1r/3pp1p1/n1p1k1Pp/1p1N1p2/pP1q1n2/8/P1PPP3/BR1QKB1R b - - 3 20
FEN state: r1b2b1r/3pp1p1/n1p1k1Pp/1p1N1p2/pP1q1n2/8/P1PPP3/BR1QKB1R b - - 3 20 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at d7, black pawn at e7 and black pawn at g7. Black knight at a6, black pawn at c6, black king at e6, white pawn at g6 and black pawn at h6. Black pawn at b5, white knight at d5 and black pawn at f5. Black pawn at a4, white pawn at b4, black queen at d4 and black knight at f4. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at e2. White bishop at a1, white rook at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 20. Black to move.