rnbk3r/3pq3/2pb1n1p/p3p3/1pP1PPpP/NP1B2N1/P1QP1P2/1RB2KR1 b - - 4 19
FEN state: rnbk3r/3pq3/2pb1n1p/p3p3/1pP1PPpP/NP1B2N1/P1QP1P2/1RB2KR1 b - - 4 19 ; Best move: b4a3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at d7 and black queen at e7. Black pawn at c6, black bishop at d6, black knight at f6 and black pawn at h6. Black pawn at a5 and black pawn at e5. Black pawn at b4, white pawn at c4, white pawn at e4, white pawn at f4, black pawn at g4 and white pawn at h4. White knight at a3, white pawn at b3, white bishop at d3 and white knight at g3. White pawn at a2, white queen at c2, white pawn at d2 and white pawn at f2. White rook at b1, white bishop at c1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 19. Black to move.