r2qkb1r/p1pb3p/2npp1p1/1P3p2/5PN1/1PnP4/1BP1PKPP/R2Q1B1R b - - 1 15
FEN state: r2qkb1r/p1pb3p/2npp1p1/1P3p2/5PN1/1PnP4/1BP1PKPP/R2Q1B1R b - - 1 15 ; Best move: c3d1
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at d7 and black pawn at h7. Black knight at c6, black pawn at d6, black pawn at e6 and black pawn at g6. White pawn at b5 and black pawn at f5. White pawn at f4 and white knight at g4. White pawn at b3, black knight at c3 and white pawn at d3. White bishop at b2, white pawn at c2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. 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 15. Black to move.