rn1q1b2/1p1kp1pr/p1p3Nn/3p1p2/PP1Pb3/BRP2PP1/4P1BP/3QK1R1 b - - 7 21
FEN state: rn1q1b2/1p1kp1pr/p1p3Nn/3p1p2/PP1Pb3/BRP2PP1/4P1BP/3QK1R1 b - - 7 21 ; Best move: d7e8
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black bishop at f8. Black pawn at b7, black king at d7, black pawn at e7, black pawn at g7 and black rook at h7. Black pawn at a6, black pawn at c6, white knight at g6 and black knight at h6. Black pawn at d5 and black pawn at f5. White pawn at a4, white pawn at b4, white pawn at d4 and black bishop at e4. White bishop at a3, white rook at b3, white pawn at c3, white pawn at f3 and white pawn at g3. White pawn at e2, white bishop at g2 and white pawn at h2. White queen at d1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 7. Full move number is 21. Black to move.