2r1qb1r/pppkp1pp/5p1n/5b2/PP1Pp3/1nB4N/2P3PP/1R1NKBR1 b - - 1 20
FEN state: 2r1qb1r/pppkp1pp/5p1n/5b2/PP1Pp3/1nB4N/2P3PP/1R1NKBR1 b - - 1 20 ; Best move: b3d4
The current state of the chess board is: Black rook at c8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at f6 and black knight at h6. Black bishop at f5. White pawn at a4, white pawn at b4, white pawn at d4 and black pawn at e4. Black knight at b3, white bishop at c3 and white knight at h3. White pawn at c2, white pawn at g2 and white pawn at h2. White rook at b1, white knight at d1, white king at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.