1rbqkb2/p2pp2r/n4n2/1pp2ppp/P3P3/R2N4/1PPPKP1P/1NBQ1B1R b - - 3 12
FEN state: 1rbqkb2/p2pp2r/n4n2/1pp2ppp/P3P3/R2N4/1PPPKP1P/1NBQ1B1R b - - 3 12 ; Best move: b5b4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at d7, black pawn at e7 and black rook at h7. Black knight at a6 and black knight at f6. Black pawn at b5, black pawn at c5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at a4 and white pawn at e4. White rook at a3 and white knight at d3. White pawn at b2, white pawn at c2, white pawn at d2, white king at e2, white pawn at f2 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 3. Full move number is 12. Black to move.