2b1k2r/nrpp1qpp/1p1b4/p3pp2/P1P2PnP/3PB2R/1PQ1PN2/1R1K1B2 b k - 8 19
FEN state: 2b1k2r/nrpp1qpp/1p1b4/p3pp2/P1P2PnP/3PB2R/1PQ1PN2/1R1K1B2 b k - 8 19 ; Best move: e5f4
The current state of the chess board is: Black bishop at c8, black king at e8 and black rook at h8. Black knight at a7, black rook at b7, black pawn at c7, black pawn at d7, black queen at f7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black bishop at d6. Black pawn at a5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at c4, white pawn at f4, black knight at g4 and white pawn at h4. White pawn at d3, white bishop at e3 and white rook at h3. White pawn at b2, white queen at c2, white pawn at e2 and white knight at f2. White rook at b1, white king at d1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 8. Full move number is 19. Black to move.