r1bq1b2/p2pk1pr/2n5/4p2p/1p4n1/N2PPK1N/P1P2PPP/R1B2BR1 b - - 1 16
FEN state: r1bq1b2/p2pk1pr/2n5/4p2p/1p4n1/N2PPK1N/P1P2PPP/R1B2BR1 b - - 1 16 ; Best move: b4a3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at d7, black king at e7, black pawn at g7 and black rook at h7. Black knight at c6. Black pawn at e5 and black pawn at h5. Black pawn at b4 and black knight at g4. White knight at a3, white pawn at d3, white pawn at e3, white king at f3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 16. Black to move.