rnk2b1r/p3p3/2pp1p2/Np3npp/1P5P/2N2P1R/P1PPP3/1RBQKB2 b - - 0 15
FEN state: rnk2b1r/p3p3/2pp1p2/Np3npp/1P5P/2N2P1R/P1PPP3/1RBQKB2 b - - 0 15 ; Best move: e7e5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at c8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at e7. Black pawn at c6, black pawn at d6 and black pawn at f6. White knight at a5, black pawn at b5, black knight at f5, black pawn at g5 and black pawn at h5. White pawn at b4 and white pawn at h4. White knight at c3, white pawn at f3 and white rook at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at e2. White rook at b1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.