2r1kbn1/pp2q1pr/1n2pp1p/1P2p1P1/b1p1PP2/B2P4/P1PN1K1P/R1NQ3R b - - 3 21
FEN state: 2r1kbn1/pp2q1pr/1n2pp1p/1P2p1P1/b1p1PP2/B2P4/P1PN1K1P/R1NQ3R b - - 3 21 ; Best move: e7a3
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black queen at e7, black pawn at g7 and black rook at h7. Black knight at b6, black pawn at e6, black pawn at f6 and black pawn at h6. White pawn at b5, black pawn at e5 and white pawn at g5. Black bishop at a4, black pawn at c4, white pawn at e4 and white pawn at f4. White bishop at a3 and white pawn at d3. White pawn at a2, white pawn at c2, white knight at d2, white king at f2 and white pawn at h2. White rook at a1, white knight at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.