2b3n1/rp1p1kb1/p1n2p1r/1Np3pp/1PN1P1PP/B2q4/P1PPBP2/1R2QK1R b - - 4 19
FEN state: 2b3n1/rp1p1kb1/p1n2p1r/1Np3pp/1PN1P1PP/B2q4/P1PPBP2/1R2QK1R b - - 4 19 ; Best move: a6b5
The current state of the chess board is: Black bishop at c8 and black knight at g8. Black rook at a7, black pawn at b7, black pawn at d7, black king at f7 and black bishop at g7. Black pawn at a6, black knight at c6, black pawn at f6 and black rook at h6. White knight at b5, black pawn at c5, black pawn at g5 and black pawn at h5. White pawn at b4, white knight at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White bishop at a3 and black queen at d3. White pawn at a2, white pawn at c2, white pawn at d2, white bishop at e2 and white pawn at f2. White rook at b1, white queen at e1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 19. Black to move.