1r2kb1r/2pp1p2/b2q3p/p2np1p1/1PB1P1P1/1Q3P1N/PB1P4/RNK1R3 b k - 2 19
FEN state: 1r2kb1r/2pp1p2/b2q3p/p2np1p1/1PB1P1P1/1Q3P1N/PB1P4/RNK1R3 b k - 2 19 ; Best move: d5b4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7 and black pawn at f7. Black bishop at a6, black queen at d6 and black pawn at h6. Black pawn at a5, black knight at d5, black pawn at e5 and black pawn at g5. White pawn at b4, white bishop at c4, white pawn at e4 and white pawn at g4. White queen at b3, white pawn at f3 and white knight at h3. White pawn at a2, white bishop at b2 and white pawn at d2. White rook at a1, white knight at b1, white king at c1 and white rook at e1. Black kingside is the only castle move available. Half move number is 2. Full move number is 19. Black to move.