1n1r2nr/p2bkpBp/3qp2b/1pP3p1/Q1p1P3/N3KP2/P2PBNPP/1R4R1 b - - 19 21
FEN state: 1n1r2nr/p2bkpBp/3qp2b/1pP3p1/Q1p1P3/N3KP2/P2PBNPP/1R4R1 b - - 19 21 ; Best move: d6f4
The current state of the chess board is: Black knight at b8, black rook at d8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at d7, black king at e7, black pawn at f7, white bishop at g7 and black pawn at h7. Black queen at d6, black pawn at e6 and black bishop at h6. Black pawn at b5, white pawn at c5 and black pawn at g5. White queen at a4, black pawn at c4 and white pawn at e4. White knight at a3, white king at e3 and white pawn at f3. White pawn at a2, white pawn at d2, white bishop at e2, white knight at f2, white pawn at g2 and white pawn at h2. White rook at b1 and white rook at g1. Both players have exhausted their castles. Half move number is 19. Full move number is 21. Black to move.