r1bk1bnr/2qpppp1/p7/npp3B1/2NP1PP1/3Q3P/PPP1PK2/R4BNR b - - 4 11
FEN state: r1bk1bnr/2qpppp1/p7/npp3B1/2NP1PP1/3Q3P/PPP1PK2/R4BNR b - - 4 11 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6. Black knight at a5, black pawn at b5, black pawn at c5 and white bishop at g5. White knight at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White queen at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white king at f2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 11. Black to move.