1rb1kbn1/ppq1r3/3pp3/1Np3pp/1nP1PPp1/BQ6/P2P3P/2R1KBNR w K - 0 19
FEN state: 1rb1kbn1/ppq1r3/3pp3/1Np3pp/1nP1PPp1/BQ6/P2P3P/2R1KBNR w K - 0 19 ; Best move: b5c7
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 knight at g8. Black pawn at a7, black pawn at b7, black queen at c7 and black rook at e7. Black pawn at d6 and black pawn at e6. White knight at b5, black pawn at c5, black pawn at g5 and black pawn at h5. Black knight at b4, white pawn at c4, white pawn at e4, white pawn at f4 and black pawn at g4. White bishop at a3 and white queen at b3. White pawn at a2, white pawn at d2 and white pawn at h2. White rook at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 19. White to move.