1rb1kb1r/pp1p1p2/q2p3p/2p1nPp1/2P1P2P/1P6/P2PQKP1/RNB4R b - - 4 19
FEN state: 1rb1kb1r/pp1p1p2/q2p3p/2p1nPp1/2P1P2P/1P6/P2PQKP1/RNB4R b - - 4 19 ; Best move: b7b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at f7. Black queen at a6, black pawn at d6 and black pawn at h6. Black pawn at c5, black knight at e5, white pawn at f5 and black pawn at g5. White pawn at c4, white pawn at e4 and white pawn at h4. White pawn at b3. White pawn at a2, white pawn at d2, white queen at e2, white king at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 19. Black to move.