r1b3nr/pppn1p2/2kp3b/4P1pp/1PPB3P/P3PP2/q3N1P1/1N1QKB1R w K - 2 19
FEN state: r1b3nr/pppn1p2/2kp3b/4P1pp/1PPB3P/P3PP2/q3N1P1/1N1QKB1R w K - 2 19 ; Best move: b4b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at d7 and black pawn at f7. Black king at c6, black pawn at d6 and black bishop at h6. White pawn at e5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at c4, white bishop at d4 and white pawn at h4. White pawn at a3, white pawn at e3 and white pawn at f3. Black queen at a2, white knight at e2 and white pawn at g2. White knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 19. White to move.