1nqb2nr/1r4p1/1p1k3p/1bppp2P/P1B1P1p1/6P1/1PPP1PR1/RNBK1Q2 b - - 0 20
FEN state: 1nqb2nr/1r4p1/1p1k3p/1bppp2P/P1B1P1p1/6P1/1PPP1PR1/RNBK1Q2 b - - 0 20 ; Best move: b5c4
The current state of the chess board is: Black knight at b8, black queen at c8, black bishop at d8, black knight at g8 and black rook at h8. Black rook at b7 and black pawn at g7. Black pawn at b6, black king at d6 and black pawn at h6. Black bishop at b5, black pawn at c5, black pawn at d5, black pawn at e5 and white pawn at h5. White pawn at a4, white bishop at c4, white pawn at e4 and black pawn at g4. White pawn at g3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white rook at g2. White rook at a1, white knight at b1, white bishop at c1, white king at d1 and white queen at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.