1n1q1k1r/r1pb3p/pp1p1pp1/1N6/PP1p1PPb/1Q1P3B/4P3/RK4NR b - - 0 19
FEN state: 1n1q1k1r/r1pb3p/pp1p1pp1/1N6/PP1p1PPb/1Q1P3B/4P3/RK4NR b - - 0 19 ; Best move: a6b5
The current state of the chess board is: Black knight at b8, black queen at d8, black king at f8 and black rook at h8. Black rook at a7, black pawn at c7, black bishop at d7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at d6, black pawn at f6 and black pawn at g6. White knight at b5. White pawn at a4, white pawn at b4, black pawn at d4, white pawn at f4, white pawn at g4 and black bishop at h4. White queen at b3, white pawn at d3 and white bishop at h3. White pawn at e2. White rook at a1, white king at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 19. Black to move.