rn1qnbr1/1p1k1p1p/p3p1p1/2p2b2/PPPp4/R3PPKN/3P2PP/1NBQ1B1R b - - 0 12
FEN state: rn1qnbr1/1p1k1p1p/p3p1p1/2p2b2/PPPp4/R3PPKN/3P2PP/1NBQ1B1R b - - 0 12 ; Best move: c5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black knight at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black king at d7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at e6 and black pawn at g6. Black pawn at c5 and black bishop at f5. White pawn at a4, white pawn at b4, white pawn at c4 and black pawn at d4. White rook at a3, white pawn at e3, white pawn at f3, white king at g3 and white knight at h3. White pawn at d2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 12. Black to move.