r1b2bnr/p2kp3/n1p5/qp1p1p1p/P4PpP/NPP1K3/3PP1P1/R1BQ1BNR b - - 0 11
FEN state: r1b2bnr/p2kp3/n1p5/qp1p1p1p/P4PpP/NPP1K3/3PP1P1/R1BQ1BNR b - - 0 11 ; Best move: b5b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black king at d7 and black pawn at e7. Black knight at a6 and black pawn at c6. Black queen at a5, black pawn at b5, black pawn at d5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at f4, black pawn at g4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at c3 and white king at e3. White pawn at d2, white pawn at e2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 11. Black to move.