r1b2br1/p3p2p/B1ppqn1k/1p3pp1/n4P2/PP1KP1PP/R1PPN2R/1NBQ4 b - - 4 19
FEN state: r1b2br1/p3p2p/B1ppqn1k/1p3pp1/n4P2/PP1KP1PP/R1PPN2R/1NBQ4 b - - 4 19 ; Best move: e6e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at e7 and black pawn at h7. White bishop at a6, black pawn at c6, black pawn at d6, black queen at e6, black knight at f6 and black king at h6. Black pawn at b5, black pawn at f5 and black pawn at g5. Black knight at a4 and white pawn at f4. White pawn at a3, white pawn at b3, white king at d3, white pawn at e3, white pawn at g3 and white pawn at h3. White rook at a2, white pawn at c2, white pawn at d2, white knight at e2 and white rook at h2. White knight at b1, white bishop at c1 and white queen at d1. Both players have exhausted their castles. Half move number is 4. Full move number is 19. Black to move.