1rbq1k1r/p1pp1ppn/np6/4p1Np/1b1P1BPP/P1NK4/1PP1PP2/R2Q1B1R b - - 1 10
FEN state: 1rbq1k1r/p1pp1ppn/np6/4p1Np/1b1P1BPP/P1NK4/1PP1PP2/R2Q1B1R b - - 1 10 ; Best move: b4c3
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black knight at h7. Black knight at a6 and black pawn at b6. Black pawn at e5, white knight at g5 and black pawn at h5. Black bishop at b4, white pawn at d4, white bishop at f4, white pawn at g4 and white pawn at h4. White pawn at a3, white knight at c3 and white king at d3. White pawn at b2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 10. Black to move.