rn2kbnr/pp2ppp1/8/2pp3p/PqP1PPP1/3P4/2NB4/R2QKBNR b - - 1 15
FEN state: rn2kbnr/pp2ppp1/8/2pp3p/PqP1PPP1/3P4/2NB4/R2QKBNR b - - 1 15 ; Best move: b4b3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at a4, black queen at b4, white pawn at c4, white pawn at e4, white pawn at f4 and white pawn at g4. White pawn at d3. White knight at c2 and white bishop at d2. White rook at a1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 15. Black to move.