rnk2b1r/1b2p1p1/p1p2p2/PpP4p/1P1pP3/5PN1/3PN2R/1RBQKB2 b - - 0 20
FEN state: rnk2b1r/1b2p1p1/p1p2p2/PpP4p/1P1pP3/5PN1/3PN2R/1RBQKB2 b - - 0 20 ; 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 bishop at b7, black pawn at e7 and black pawn at g7. Black pawn at a6, black pawn at c6 and black pawn at f6. White pawn at a5, black pawn at b5, white pawn at c5 and black pawn at h5. White pawn at b4, black pawn at d4 and white pawn at e4. White pawn at f3 and white knight at g3. White pawn at d2, white knight at e2 and white rook at h2. 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 20. Black to move.