3q1k1r/r3n3/n2pQ3/Pb3p1p/3p1P1N/N2Bb3/P1P3PP/R1B2K1R b - - 3 21
FEN state: 3q1k1r/r3n3/n2pQ3/Pb3p1p/3p1P1N/N2Bb3/P1P3PP/R1B2K1R b - - 3 21 ; Best move: b5d3
The current state of the chess board is: Black queen at d8, black king at f8 and black rook at h8. Black rook at a7 and black knight at e7. Black knight at a6, black pawn at d6 and white queen at e6. White pawn at a5, black bishop at b5, black pawn at f5 and black pawn at h5. Black pawn at d4, white pawn at f4 and white knight at h4. White knight at a3, white bishop at d3 and black bishop at e3. White pawn at a2, white pawn at c2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.