1nbk4/r4pp1/p2p4/b1pP3n/1p2p3/N1P1P3/PPQN2PR/R1B1KB2 b - - 1 20
FEN state: 1nbk4/r4pp1/p2p4/b1pP3n/1p2p3/N1P1P3/PPQN2PR/R1B1KB2 b - - 1 20 ; Best move: b4a3
The current state of the chess board is: Black knight at b8, black bishop at c8 and black king at d8. Black rook at a7, black pawn at f7 and black pawn at g7. Black pawn at a6 and black pawn at d6. Black bishop at a5, black pawn at c5, white pawn at d5 and black knight at h5. Black pawn at b4 and black pawn at e4. White knight at a3, white pawn at c3 and white pawn at e3. White pawn at a2, white pawn at b2, white queen at c2, white knight at d2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.